Luit J. De Kok

2010

De Kok, L.J., Stulen, I. and Hawkesford, M.J. 2010. Sulfur nutrition in crop plants. In: The molecular basis of nutrient use efficiency in crops. Hawkesford, M.J and Barraclough, P. (eds.), Wiley-Blackwell, in press.

Koralewska, A., Stuiver, C.E.E., Posthumus, F.S., Shahbaz, M., Buchner, P., Hawkesford, M.J. and De Kok, L.J. 2010. Whole plant regulation of sulfate uptake and distribution in Brassica species. In: More Sustainability in Agriculture: New Fertilizers and Fertilizer Management. Sequi, P., Ferri, D., Rea, E., Montemurro, A.V. and Fornado, F. (eds.), 18^th International Symposium of CIEC, Fertilitas Agrorumpp. 274-280. ISSN 1971-0755.

Shahbaz, M., Tseng, M.H., Stuiver, C.E.E., Koralewska,A., Posthumus, F.S.,Venema, J.H., Parmar, S., Schat, H., Hawkesford, M.J. and De Kok, L.J. 2010. Copper exposure interferes with the regulation of the uptake, distribution and metabolism of sulfate in Chinese cabbage. J. Plant Physiol. 167: 438-446

Shahbaz, M., Tseng, M.H., Stuiver, C.E.E., Posthumus, F.S., Parmar, S., Koralewska, A., Hawkesford, M.J. and De Kok, L.J. 2010. Impact of copper exposure on physiological functioning of chinese cabbage (Brassica pekinensis). In: More Sustainability in Agriculture: New Fertilizers and Fertilizer Management. Sequi, P., Ferri, D., Rea, E., Montemurro, A.V. and Fornado, F. (eds.), 18^th International Symposium of CIEC, Fertilitas Agrorumpp. 318-324. ISSN 1971-0755.

 

2009

De Kok, L.J. Yang, L., Stuiver, C.E.E. and Stulen I. 2009.  Negative vs. positive functional plant responses to air pollution: A study establishing cause-effect relationships of SO₂ and H₂S. In: Air Quality and Ecological Impacts: Relating Sources to Effects. Legge, A.H. (ed.), Developments in Environmental Sciences, Volume 9: 121-134, Elsevier B.V. ISSN: 1474-8177.

Koralewska, A., Buchner, P., Stuiver, C.E.E., Posthumus, F.S., Kopriva, S., Hawkesford, M.J. and De Kok, L.J. 2009. Expression and activity of sulfate transporters and APS reductase in curly kale in response to sulfate deprivation and re-supply J. Plant Physiol. 166: 168-179.

Koralewska, A., Stuiver, C.E.E., Posthumus, F.S., Hawkesford, M.J. and De Kok, L.J. 2009. The up-regulated sulfate uptake capacity, but not the expression of sulfate transporters is strictly controlled by the shoot sink capacity for sulfur in curly kale. In: Sulfur Metabolism in Plants: Regulatory Aspects, Significance of Sulfur in the Food Chain, Agriculture and the Environment. Sirko, A., De Kok, L.J., Haneklaus, S., Hawkesford, M.J., Rennenberg, H., Saito, K. Schnug, E. and Stulen, I. (eds.), Backhuys Publishers, Leiden / Margraf Publishers, Weikersheim, pp. 61-68. ISBN 978-3-8236-1547-7 / 978-90-5782-215-5

Sirko, A., De Kok, L.J., Haneklaus, S., Hawkesford, M.J., Rennenberg, H., Saito, K. Schnug, E. and Stulen, I. 2009.   Sulfur Metabolism in Plants: Regulatory Aspects, Significance of Sulfur in the Food Chain, Agriculture and the Environment. Backhuys Publishers, Leiden / Margraf Publishers, Weikersheim, 314 pp. ISBN 978-3-8236-1547-7 / 978-90-5782-215-5

Stuiver, C.E.E., Koralewska, A., Posthumus, F.S. and De Kok, L.J.   2009. Impact of sulfur deprivation on root formation, and activity and expression of sulfate transporters in Chinese. In:Sulfur Metabolism in Plants: Regulatory Aspects, Significance of Sulfur in the Food Chain, Agriculture and the Environment.Sirko, A., De Kok, L.J., Haneklaus, S., Hawkesford, M.J., Rennenberg, H., Saito, K. Schnug, E. and Stulen, I. (eds.), Backhuys Publishers, Leiden / Margraf Publishers, Weikersheim, pp. 89-92. ISBN 978-3-8236-1547-7 / 978-90-5782-215-5

Tausz, M., Dreyer, E. and De Kok. L.J. 2009. Plant functioning in a changing global environment. Plant Biol. 11 (Suppl. 1): 1-3.

 

 

2008

De Kok, L.J. and Schnug, E. 2008. Loads and Fate of Fertilizer-derived Uranium. Backhuys Publishers, Leiden / Margraf Publishers, Weikersheim, 229 pp. ISBN/EAN 978-3-8236-1546-0, ISBN/EAN 978-90-5782-193-6

Castro, A., Stulen I and De Kok, L.J. 2008. Atmospheric NH₃ as plant nutrient: A case study with Brassica oleracea. Environ. Pollut. 154: 467–472

Koralewska, A., Stuiver, C.E.E., Posthumus, F.S., Kopriva, S., Hawkesford, M.J. and De Kok L. J. 2008. Regulation of sulfate uptake, expression of the sulfate transporters Sultr1;1 and Sultr1;2, and APS reductase in Chinese cabbage (Brassica pekinensis) as affected by atmospheric H₂S nutrition and sulfate deprivation. Funct. Plant Biol. 35: 318-327.

2007

De Kok, L.J., Durenkamp, M., Yang, L. and Stulen, I. 2007. Atmospheric sulfur. In: Sulfur in Plants - an Ecological Perspective. Hawkesford, M.J. and De Kok, L.J. (eds.), Springer, pp. 91-106, ISBN-10 1-4040-5885-1.

Durenkamp, M. De Kok, L.J. and Kopriva, S. 2007. Adenosine 5' phosphosulphate reductase is regulated differently in Allium cepa L. and Brassica oleracea L. upon exposure to H₂S. J. Exp. Bot. 58: 1571-1579.

Haneklaus, S., Bloem, E., Schnug, E., De Kok, L.J. and Stulen, I. 2007.Sulfur. In: Handbook of Plant Nutrition. Barker, A.V. and Pilbeam, D.J. (eds.), CRC Press, Boca Raton, USA, pp. 183-238, ISBN 0-8247-590-44.

Haneklaus, S., Bloem, E., Schnug, E., De Kok, L.J., Yang, Z., Wang, S. And Schnug,. E. 2007. The potential of sulfur induced resistance agianst plant diseases of oilseed rape. Proceedings of the 12th International Rapeseed Congress. Volume IV, Science Press USA Inc., Monmouth Junction, pp. 43-46, ISBN 1-933100-20-6.

Hawkesford, M.J. and De Kok, L.J. 2007. Sulfur in Plants - an Ecological Perspective. Springer, 264 pp.,ISBN-10 1-4040-5885-1.

Koralewska, A., Posthumus, F.S., Stuiver, C.E.E., Buchner, P., Hawkesford, M.J. andDe Kok, L.J. 2007. The characteristic high sulfate content in Brassica oleracea is controlled by the expression and activity of sulfate transporters. Plant Biol. 9: 654-661.

 

2006

Castro, A., Stulen, I. , Posthumus, F.S. and De Kok, L.J. 2006. Changes in growth and nutrient uptake in Brassica oleracea L. exposed to atmospheric ammonia. Ann. Bot. 97: 121-131.

Hawkesford, M.J. and De Kok, L.J. 2006. Managing Sulfur Metabolism in Plants. Plant Cell Environ. 29: 382-395.

Yang, L., Stulen, I. and De Kok, L.J. 2006. Impact of sulfate nutrition on the utilization of atmospheric SO₂ as sulfur source for Chinese cabbage. J. Plant Nutr. Soil Sci. 169: 529-534.

Yang, L., Stulen, I. and De Kok, L.J. 2006. Sulfur dioxide: relevance of toxic and nutritional effects for Chinese cabbage. Environ. Exp. Bot. 57: 236-245.

Yang, Z., Haneklaus, S., De Kok, L.J., Schnug, E.,Singh, B.R. andKraft, M. 2006. Effect of H₂S, dimethyl sulfide and elemental S on growth and enzymatic activities of Rhizoctonia solani and its implications for Sulfur-Induced Resistance (SIR) of agricultural crops. Phyton. 46: 55-70.

 

2005

Castro, A., Stulen, I. and De Kok, L.J. 2005. Impact of atmospheric NH₃ deposition on plant growth and functioning - a case study with Brassica oleracea L. In: Plant Responses to Air Pollution and Global Change. Omasa, K., Nouchi, I. and De Kok, L.J. (eds.), Springer-Verlag, Tokyo, Japan, pp. 13-20, ISBN: 4-431-31013-4.

De Kok, L.J. and Schnug, E. 2005. Proceedings of the 1st Sino-German Workshop on Aspects of Sulfur Nutrition of Plants. Landbauforschung Völkenrode: Special Issue 283: 176 pp., ISBN: 3-86576-007-4.

De Kok, L.J., Castro,  A., Durenkamp, M., Koralewska, A., Posthumus, F.S., Stuiver, C.E.E., Yang, L. and Stulen, I. , 2005. Pathways of plant sulfur uptake and metabolism - an overview. Landbauforschung Völkenrode 283: 5-13.

Durenkamp, M. and De Kok, L.J. 2005. Sulfur metabolism in onion (Allium cepa L.): Accumulation of sulfur compounds upon exposure to H₂S. In: Sulfur Transport and Assimilation in Plants in the Post Genomic Era. Saito, K., De Kok, L.J., Stulen, I., Hawkesford, M.J., Schnug, E., Sirko, A. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden, pp. 127-131, ISBN: 90-5782-166-4.

Durenkamp, M. and De Kok, L.J., 2005. Low levels of H₂S may replace sulfate as sulfur source in sulfate-deprived onion. Phyton 45(3): 69-77. 

Durenkamp, M., Posthumus, F.S., Stuiver, C.E.E. and De Kok, L.J. 2005. Metabolism of atmospheric sulfur gases in onion. In: Plant Responses to Air Pollution and Global Change. Omasa, K., Nouchi, I. and De Kok, L.J. (eds.), Springer-Verlag, Tokyo, Japan, pp. 3-11, ISBN: 4-431-31013-4.

Omasa, K., Nouchi, I. and De Kok, L.J. 2005. Plant Responses to Air Pollution and Global Change. Springer-Verlag, Tokyo, Japan, 300 pp., ISBN: 4-431-31013-4.

Omasa, K., Nouchi, I., Goto, E., Oki, K., Shimizu, Y., De Kok, L.J., Grill, D. and Stulen, I. 2005. Plant Responses to Air Pollution and Global Change. Phyton 45(4), 607 pp.

Riemenschneider, A., Nikiforova, V., Hoefgen, R., De Kok, L.J. and Papenbrock, J. 2005. Impact of elevated H₂S on metabolite levels, activity of enzymes and expression of genes involved in cysteine metabolism. Plant Physiol. Biochem. 43: 473-483.

Saito, K., De Kok, L.J., Stulen, I.,  Hawkesford, M.J., Schnug, E., Sirko, A. and Rennenberg, H. 2005. Sulfur Transport and Assimilation in Plants in the Post Genomic Era. Backhuys Publishers, Leiden , 270 pp., ISBN: 90-5782-166-4.

Wonisch A., Weidner W., Tausz M., Westerman S., De Kok L.J. and Grill D. 2005. Interactions between atmospheric and pedospheric sulfur nutrition: Impact of short-term H₂S exposure on the uptake and distribution of ³⁵S-sulfate in roots and shoots of curly kale (Brassica oleracea L.). Phyton 45, 45-50.

Yang, L., Stulen, I. and De Kok, L.J. 2005. Sulfur status of Chinese soils and response of Chinese cabbage to sulfur fertilization in the Beijing area. Landbauforschung Völkenrode 283: 5-13. 

 

2004

Buchner, P., Stuiver, C.E.E., Westerman, S., Wirtz, M., Hell, R. Hawkesford, M.J. and De Kok, L.J. 2004. Regulation of sulfate uptake and expression of sulfate transporter genes in Brassica oleracea as affected by atmospheric H₂S and pedospheric sulfate nutrition. Plant Physiol. 136: 3396-3408.

Castro, A. Stulen, I. and De Kok, L.J. 2004. The impact of atmospheric nitrogen deposition on sulfur nutrition in Brassica oleracea. Comparative Biochemistry and Physiology Part A 137:S240.

Castro, A., Aires, A. Rosa, E., Bloem, E., Stulen, I. , and De Kok, L.J. 2004. Distribution of glucosinolates in Brassica oleracea cultivars. Phyton 44: 133-143

De Kok, L.J. and Durenkamp, M. 2004. Whole plant regulation of sulfur uptake and assimilation in relation to both the need for growth and the potential sink capacity for secondary sulfur compounds. Comparative Biochemistry and Physiology Part A 137: S231.

Durenkamp, M. and De Kok, L.J. 2004. Impact of pedospsheric and atmospheric sulphur nutrition on sulphur metabolism of Allium cepa L., a species with a potential sink capacity for secondary sulphur compounds. J. Exp. Bot. 55: 1821-1830.

Durenkamp, M. and De Kok, L.J. 2004. Secondary sulfur compounds in onion: an infinite sink for reduced sulfur? Comparative Biochemistry and Physiology Part A 137:S240.

Yang, L. Stulen, I. and De Kok, L.J. 2004. Response of two cultivars of Chinese cabbage to elevated atmospheric SO₂ .Comparative Biochemistry and Physiology Part A 137:S243.

 

2003

Castro A., Stulen, I. and De Kok, L.J. 2003. Nitrogen and sulfur requirement of Brassica oleracea L.. cultivars. In: Sulfur Transport and Assimilation in Plants: Regulation, Interaction, Signaling. Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, H., Hawkesford, M.J.. Schnug, E. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 181-183, ISBN 90-5782-138-9.

Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, I. Hawkesford, M.J., Schnug, E. and Rennenberg H. 2003. Sulfur Transport and Assimilation in Plants: Regulation, Interaction and Signaling. Backhuys Publish­ers, Leiden , 393 pp., ISBN 90-5782-138-9.

Durenkamp, M. and De Kok, L.J. 2003. Impact of atmospheric H₂S on sulfur and nitrogen metabolism in Allium species and cultivars In: Sulfur Transport and Assimilation in Plants: Regulation, Interaction and Signaling. Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, H., Hawkesford, M.J.. Schnug, E. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 197-199, ISBN 90-5782-138-9.

Tausz, M., Wonisch W., Weidner, W., De Kok, L.J. and Grill, D. 2003. Modification of S-metabolism in spruce trees by H₂S studied by radiolabelled sulfate uptake. In: Sulfur Transport and Assimilation in Plants: Regulation, Interaction and Signaling. Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, H., Hawkesford, M.J.. Schnug, E. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 341- 343, ISBN 90-5782-138-9.

Tausz, M.., Weidner, W., Wonisch, A., De Kok, L.J. and Grill, D. 2003. Uptake and distribution of ³⁵S-sulfate in needles and roots of spruce seedlings as affected by exposure to SO₂ and H₂S, Environ. Exp. Bot. 50: 211 - 220 .

Wonisch, A., Weidner, W., Tausz, M., Westerman, S., De Kok, L.J. and Grill, D. 2003. Effects of SO₂ exposure on sulfur distribution in curly kale (Brassica oleracea L.) Investigated by ³⁵S-labelled nutrient solution. In: Sulfur Transport and Assimilation in Plants: Regulation, Interaction and Signaling. Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, H., Hawkesford, M.J.. Schnug, E. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 359-361, ISBN 90-5782-138-9.

Yang, L., Stulen, I. and De Kok, L.J. 2003. Interaction between atmospheric sulfur dioxide deposition and pedospheric sulfate nutrition in Chinese cabbage. In: Sulfur Transport and Assimilation in Plants: Regulation, Interaction and Signaling. Davidian, J.-C., Grill, D., De Kok, L.J., Stulen, H., Hawkesford, M.J.. Schnug, E. and Rennenberg, H. (eds.), Backhuys Publishers, Leiden , 363-363, ISBN 90-5782-138-9.

 

2002

De Kok, L.J., Castro, A., Durenkamp, M., Stuiver, C.E.E., Westerman, S., Yang, L. and Stulen, I. 2002. Sulphur in plant physiology. In: Sulfur Fertilisers: Demand, Production and Use. Proceedings No. 500. The International Fertiliser Society, York , U.K. pp. 1-26. ISBN 0-85310-36-1.

De Kok, L.J., Stuiver, C.E.E., Westerman, S and Stulen, I. 2002. Elevated levels of hydrogen sulfide in the plant environment: nutrient or toxin. In: Air Pollution and Biotechnology in Plants. Omasa, K., Saji, H., Youssefian, S. and Kondo, N. (eds.), Springer-Verlag, Tokyo , pp. 201-213 , ISBN 4-431-70216-4.

De Kok, L.J., Stulen, I., Grill, D. and Tausz, M. 2002. Special Issue: Responses of Plant Metabolism to Air Pollution and Global Change. Phyton 42(3): 272 pp., ISSN 3-85028-135-3.

De Kok, L.J., Westerman, S., Stuiver, C.E.E., Weidner, W., Stulen, I. and Grill, D. 2002. Interaction between atmospheric hydrogen sulfide deposition and pedospheric sulfate nutrition in Brassica oleracea L. Phyton 42(3): 35-44.

Durenkamp, M. and De Kok, L.J. 2002. The impact of atmospheric H₂S on growth and sulfur metabolism of Allium cepa L. Phyton 42(3): 55-63.

Müller M., De Kok L. J., Weidner W. and Tausz M. 2002. Differential effects of H₂S on cytoplasmic and nuclear thiol concentrations in different tissues of Brassica roots. Plant Physiol. Biochem. 40: 585-589.

Yang, L., Stulen, I., De Kok, L.J. and Zheng, Y. 2002. SO₂, NO_x and acid deposition problems in China - Impact on agriculture. Phyton 42(3): 254-264.

2001

De Kok and Tausz, M. 2001. The role of glutathione in plant reaction and adaptation to air pollutants. In: Significance of Glutathione to Plant Adaptation to the Environment. Grill, D., Tausz, M. and De Kok, L.J. (eds.), Kluwer Academic Publishers, Dordrecht, pp. 185-201, ISBN 1-4020-0178-9.

Grill, D., Tausz, M. and De Kok, L.J. 2001. Significance of Glutathione to Plant Adaptation to the Environment.Kluwer Academic Publishers, Dordrecht , 262 pp. ISBN 1-4020-0178-9.

Stuiver, C.E.E. and De Kok, L.J. 2001. Atmospheric H₂S as sulfur source for plant growth: Kinetics of H₂S uptake and activity of O-acetylserine(thiol)lyase as affected by sulfur nutrition. Environ. Exp. Bot. 46: 29-36.

Westerman, S., Blake-Kalff, M.A.A., De Kok, L.J., Stuiver, C.E.E. and Stulen, I. 2001. Sulfate uptake and utilization by two varieties of Brassica oleracea with different sulfur need as affected by atmospheric H₂S. Phyton 41: 49-62.

Westerman, S., Stulen, I., Suter, M., Brunold, C. and De Kok, L.J. 2001. Atmospheric H₂S as sulfur source for Brassica oleracea: consequences for the activity of the enzymes of the assimilatory sulfate reduction pathway. Plant Physiol. Biochem. 39: 425-432.

 

2000

Brunold, C., Rennenberg, H., De Kok, L.J., Stulen, I. and Davidian, J.C. 2000. Sulfur Nutrition and Sulfur assimilation in Higher Plants: Molecular, Biochemical and Physiological Aspects. Paul Haupt, Bern , 446 pp. ISBN 3-258-06239-0.

Buwalda, F., Stulen, I. and De Kok, L.J. 2000. Effects of light and atmospheric H₂S on composition of the free amino acid pool in spinach leaves. Phyton 40(3): 15-19.

De Kok, L.J., Grill, D., Hawkesford, M.J., Schnug, E. and Stulen, I. 2000. Plant Sulfur Research in Europe : COST Action 829; Fundamental, Agronomical and Environmental Aspects of Sulfur Nutrition and Assimilation in Plants. Landbauforschung Völkenrode: Sonderheft 218, FAL, Braunschweig, 116 pp., ISBN 3-933140-40-4.

De Kok, L.J., Stuiver, C.E.E., Westerman, S. and Stulen, I. 2000. Atmospheric H₂S pollution - Deposition and impact on sulphur metabolism in plants. In: Environmental Stress: Indication, Mitigation, and Eco-conservation. Yunus, M., Singh, N. and De Kok, L.J. (eds.), Kluwer Academic Publishers, Dordrecht, pp. 135-141, ISBN 0-7923-6410-4.

De Kok, L.J., Stulen, I., Grill, D. and Gutenberger, H, 2000. Special Issue: Plant Adaptation to Stress. Phyton 40(3): 143 pp., ISSN 3-85028-135-3.

De Kok, L.J., Westerman, S., Stuiver, C.E.E. and Stulen, I. 2000. Atmospheric H₂S as plant sulfur source: interaction with pedospheric sulfur nutrition - a case study with Brassica oleracea L. In: Sulfur Nutrition and Sulfur assimilation in Higher Plants: Molecular, Biochemical and Physiological Aspects. Brunold, C., Rennenberg, H., De Kok, L.J., Stulen, I. and Davidian, J.C. (eds.), Paul Haupt, Bern, pp. 41-55, ISBN 3-258-06239-0.

Herschbach, C., van der Zalm, E., Schneider, A., Jouanin,L., De Kok, L.J. and Rennenberg, H. 2000. Regulation of the uptake and transport of sulphate in wildtype and transgenic poplar trees overexpressing g -glutamylcysteine synthetase as affected by atmospheric H₂S. Plant Physiol. 124: 461-473.

Poortinga, A.M. and De Kok, L.J. 2000. Thiol metabolism in sulfur-deprived spinach plants upon exposure to high pedospheric sulfate levels. Phyton 40(3): 95-102.

Stulen, I., Posthumus, F., Amâncio, S., Masselink-Beltman, I., Müller, M. and De Kok, L.J. 2000. Mechanism of H₂S phytotoxicity. In: Sulfur Nutrition and Sulfur assimilation in Higher Plants: Molecular, Biochemical and Physiological Aspects. Brunold, C., Rennenberg, H., De Kok, L.J., Stulen, I. and Davidian, J.C. (eds.), Paul Haupt, Bern, pp. 381-383, ISBN 3-258-06239-0.

Stulen,I., Steg, K., Posthumus, F., Van Schalkwijk, I. and De Kok, L.J. 2000. Effect of elevated atmospheric CO₂ on carbohydrate partitioning and plant growth. Phyton 40(3): 103-110.

Van der Kooij, T.A.W. and De Kok, L.J. 2000. Variation in response of Arabidopsis thaliana lines to atmospheric SO₂ exposure. Phyton 40(3): 119-124.

Van der Kooij, T.A.W., De Kok, L.J. and Stulen, I. 2000. Intraspecific variation in the response of Arabidopsis thaliana lines to elevated atmospheric CO₂. Phyton 40(3): 126-132.

Westerman, S., Baczynska, M., De Kok, L.J. and Stulen, I. 2000. The impact of H₂S on growth and nitrate reductase activity in Brassica oleracea L. In: Sulfur metabolism in Higher Plants; Molecular, Ecophysiological and Nutritional Aspects. Brunold, C., Davidian, J.-C., De Kok, L.J., Rennenberg, H. and Stulen, I. (eds.), Paul Haupt Verlag, Bern, pp. 341-343, ISBN 3-258-06239-0.

Westerman, S., De Kok, L.J. and Stulen, I. 2000. Interaction between metabolism of atmospheric H₂S in the shoot and sulfate uptake by the roots of curly kale (Brassica oleracea L.). Physiol. Plant. 109: 443-449.

Westerman, S., Weidner, W., De Kok, L.J. and Stulen, I. 2000. Effect of H₂S exposure on ³⁵S-sulfate uptake, transport and utilization in curly kale. Phyton 40: 293-302.

Yunus, M., Singh, N. and De Kok, L.J. 2000. Environmental Stress: Indication, Mitigation, and Eco-conservation. Kluwer Academic Publishers, Dordrecht , 464 pp., ISBN 0-7923-6410-4.

 

1999

De Kok, L.J., Grill. D., Hawkesford, M.J., Schnug, E. and Stulen, I. 1999. COST Action 829 - Fundamental, Agronomical and Environmental Aspects of Sulphur Nutrition and Assimilation in Plants. Office for Official Publications of the European Communities, Luxembourg , 105 pp., ISBN 92-828-7396-X.

Van der Kooij, T.A.W., De Kok, L.J., and Stulen, I. 1999. Biomass production and carbohydrate content of Arabidopsis thaliana at atmospheric CO₂ concentrations from 390 to 1680 m l l^-1. Plant Biol. 1: 482-486.

Wonisch, A., Tausz, M. M üller, M., Weidner, W., De Kok, L.J. and Grill, D. 1999. Treatment of young spruce shoots with SO₂ and H₂S: Effects on fine root chromosomes in relation to changes in the thiol content and redox state. Water Air Soil Pollut. 116: 423-428.

 

1998

De Kok, L.J. and Stulen, I. 1998. Responses of Plant Metabolism to Air Pollution and Global Change. Backhuys Publish­ers, Leiden , 519 pp. ISBN 90-73348-95-1.

 

De Kok, L.J., Stuiver, C.E.E. and Stulen, I. 1998. The impact of elevated levels of atmospheric H₂S on plants. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.) Backhuys Publish­ers, Leiden, pp. 51-63, ISBN 90-73348-95-1.

Müller, M., Zellnig, G., Tausz, De Kok L.J. and Grill, D. 1998. Root responses of forest trees to environmental stresses. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.), Backhuys Publish­ers, Leiden, pp. 383-386, ISBN 90-73348-95-1.

Stulen, I., Den Hertog, Fonseca, F., Steg, K., Posthumus, F., Van der Kooij, T.A.W. and De Kok, L.J. 1998. Impact of elevated atmospheric CO₂ on plants. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.), Backhuys Publish­ers, Leiden, pp. 167-179, ISBN 90-73348-95-1.

Stulen, I., Perez-Soba, M., De Kok, L.J. and Van der Eerden, L.J. 1998. Impact of gaseous nitrogen deposition on plant functioning. New Phytol. 139: 61-70.

 

Tausz, M., Van der Kooij, T.A.W., Müller, M., De Kok, L.J. and Grill, D. 1998. Uptake and metabolism of oxidized and reduced sulfur pollutants by spruce trees. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.), Backhuys Publish­ers, Leiden, pp. 457-460, ISBN 90-73348-95-1.

Van der Kooij, T.A.W. and De Kok, L.J. 1998. Kinetics of deposition of SO₂ and H₂S to shoots of Arabidopsis thaliana L. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.), Backhuys Publish­ers, Leiden. pp. 479-481, ISBN 90-73348-95-1.

Van der Kooij, T.A.W., Meijer, J. and De Kok, L.J. 1998. The impact of nitrogen nutrition and SO₂ exposure on Senecio vulgaris L. 1998. In: Responses of Plant Metabolism to Air Pollution and Global Change. De Kok, L.J. and Stulen, I. (eds.), Backhuys Publish­ers, Leiden. pp. 483-487, ISBN 90-73348-95-1.

 

 

1997

Cram, W.J., De Kok, L.J., Stulen, I., Brunold, C. and Rennenberg, H. 1997. Sulphur Metabolism in Higher Plants; Molecular, Ecophysiological and Nutritional Aspects. Backhuys Publish­ers, Leiden,367 pp, ISBN 90-73348-13-7.

De Kok, L.J., Stuiver, C.E.E., Rubinigg, M., Westerman, S. and Grill, D. 1997. Impact of atmospheric sulfur deposition on sulfur metabolism in plants: H₂S as sulfur source for sulfur deprived Brassica oleracea L. Bot. Acta 110: 411-419.

Müller, M., Zellnig, G., Tausz, M., Wonisch, A., De Kok, L.J., Soja, G. and Grill, D. 1997. Structural changes and physiological stress responses of spruce trees to SO₂, O₃ and elevated levels of CO₂. In: Impacts of Global Change on Tree Physiology and Forest Ecosystems. Mohren, G.M.J., Kramer, K. and Sabaté, S. (eds), Kluwer Academic Publishers, Dordrecht, pp. 93-102, ISBN 0-7923-4921-0.

Poortinga, A.M. and De Kok, L.J. 1997. Uptake of atmospheric H₂S by Spina­cia oleracea L. and consequences for thiol content and composition in shoots and roots. In: Sulphur Metabolism in Higher Plants; Molecular, Ecophysiological and Nutritional Aspects. Cram, W.J., De Kok, L.J., Stulen, I. , Brunold C. andRennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 285-288, ISBN 90-73348-13-7.

Poortinga, A.M., Hoen, G. and De Kok, L.J. 1997. Cysteine desulfhydrase of Spinacia oleracea L. may catalyze synthesis of cysteine. In: Sulphur Metabolism in Higher Plants; Molecular, Ecophysiological and Nutritional Aspects. Cram, W.J., De Kok, L.J., Stulen, I., Brunold C. andRennenberg, H. (eds.), Backhuys Publish­ers, Leiden, pp. 232-234, ISBN 90-73348-13-7.

Stuiver, C.E.E. and De Kok, L.J. 1997. Atmospheric H₂S as sulphur source for sulphur deprived Brassica oleracea L. and Hordeum vulgare L. In: Sulphur Metabolism in Higher Plants; Molecular, Ecophysiological and Nutritional As­pects. Cram, W.J., De Kok, L.J., Stulen, I. , Brunold C. andRennenberg, H. (eds.), Backhuys Publishers, Leiden , pp. 293-294, ISBN 90-73348-13-7.

Stuiver, C.E.E., De Kok, L.J. and Westerman, S. 1997. Sulfur deficiency in Brassica oleracea L.: Development, biochemical characterization, and sulfur/nitrogen interactions. Russian J. Plant Physiol. 44: 505-513.

Van der Kooij, T.A.W., De Kok, L.J., Haneklaus, S. and Schnug, E. 1997. Uptake and metabolism of sulphur dioxide by Arabidopsis thaliana. New Phytol. 135: 101-107.

1996

Tausz, M., De Kok, L.J., Stulen, I. and Grill, D. 1996. Physiological responses of Norway spruce trees to SO₂ and elevated CO₂ concentrations. J. Plant Physiol. 148: 362-367.

Van der Kooij, T.A.W. and De Kok, L.J. 1996. Impact of elevated CO₂ on growth and development of Arabidopsis thaliana L. Phyton 36:173-184.

 

 

 

1995

De Kok, L.J., C.E.E. Stuiver, Poortinga, A.M., Van der Kooij, T.A.W., Stulen, I. and Kuiper, P.J.C. 1995. Fixation of atmospheric H₂S by plants and conse­quences for sulfur assimilation and utilization. Plant Physiol. 108, (suppl.): 105.

Herschbach, C., De Kok, L.J. and Rennenberg, H. 1995. Net uptake of sulfate and its transport to the shoot in spinach plants fumigated with H₂S or SO₂: Does atmospheric sulfur affect the 'inter-organ' regulation of sulfur nutrition? Bot. Acta 108: 41-46.

Herschbach, C., De Kok, L.J. and Rennenberg, H. 1995. Net uptake of sulfate and its transport to the shoot in tobacco plants fumigated with H₂S or SO₂. Plant Soil 175: 75-84.

Poortinga, A.M. and De Kok, L.J. 1995. Utilization of H₂S by plant foliar tissue: its interaction with sulfate assimilation. Z. Pflanzenernähr. Boedenk. 158: 59-62.

Stuiver, C.E.E., De Kok, L.J., Clement, J.M.A.M. and Kuiper, P.J.C. 1995. How indicative are changes in major metabolites for freezing tolerance of wheat? Bot. Acta 108: 106-110.

Van der Kooij, T.A.W. and De Kok, L.J. 1995. Sulfur metabolism as a factor in the detoxification of SO₂ in Arabidopsis thaliana. Biol. Plant. 36 (suppl.): S303.

 

 

 

1994

Buwalda, F., De Kok, L.J. and Stulen, I. 1994. The pool of water-soluble, non-protein thiols is not regulated within narrow limits in spinach leaves exposed to atmospheric H₂S. Plant Physiol. Biochem. 32: 533-537.

Rao, M.V. and De Kok, L.J. 1994. Interactive effects of high CO₂ and SO₂ on growth and antioxidant levels in wheat. Phyton 34: 279-290.

 

1993

Buwalda, F., De Kok, L.J. and Stulen, I. 1993. Effects of atmospheric H₂S on thiol composition of crop plants. J. Plant Physiol. 142: 281-285.

De Kok, L.J. and Stulen, I. 1993. Functions of glutathione in plants under oxidative stress. In:Sulfur Nutrition and Assimilation in Higher Plants; Regula­tory, Agricultural and Environmental Aspects. De Kok, L.J., Stulen, I. , Rennenberg, H., Brunold C. and Rauser, W.E. (eds.), SPB Academic Publishing, The Hague , pp. 125-138, ISBN 90-5103-084-3.

De Kok, L.J., Stulen, I., Rennenberg, H., Brunold, C. and Rauser, W.E. 1993. Sulfur Nutrition and Assimilation in Higher Plants; Regulatory, Agricultural and Environmental Aspects. SPB Academic Publishing, The Hague , 326 pp., ISBN 90-5103-084-3.

De Vos, C.H.R., Ten Bookum, W.M., Vooijs, R., Schat, H. and De Kok, L.J. 1993. Effect of copper on fatty acid composition and peroxidation of lipids in roots of copper tolerant and sensitive Silene cucubalus. Plant Physiol. Biochem. 31: 151-158.

Stulen, I. and De Kok, L.J. 1993. Whole plant regulation of sulfate uptake and metabolism - a theoretical approach and comparison with current ideas on regulation of nitrogen metabolism. In: Sulfur Nutrition and Assimilation in Higher Plants; Regulatory, Agricultural and Environmental Aspects. De Kok, L.J., Stulen, I. , Rennenberg, H., Brunold C. and Rauser, W.E. (eds.), SPB Academic Publishing, The Hague , pp. 77-91, ISBN 90-5103-084-3.

 

1992

Buwalda, F., De Kok, L.J. and Stulen, I. 1992. The flux of atmospheric H₂S to spinach leaves can be affected by the supply of O-acetylserine. Phyton 32(3): 15-18.

De Kok, L.J., Stulen, I., Rennenberg, H., Grill, D. and Guttenberger, H. 1992. Special Issue: Progress in Sulfur Metabolism of Higher Plants. Phyton 32(3): 151 pp., ISSN 3-85028-135-3.

 

Stuiver, C.E.E., De Kok, L.J. and Kuiper, P.J.C. 1992. Does glutathione play a role in freezing tolerance of plants? Phyton 32(3): 139-142.

Stuiver, C.E.E., De Kok, L.J. and Kuiper, P.J.C. 1992. Freezing tolerance and biochemical changes in wheat shoots as affected by H₂S fumigation. Plant Physiol. Biochem. 30: 47-55.

 

1991

Bosma, W., Schupp, R., De Kok, L.J. and Rennenberg, H. 1991. Effect of selenate on assimilatory sulfate reduction and thiol content of spruce needles. Plant Physiol. Biochem. 29: 131-138.

De Kok, L.J., Rennenberg, H. and Kuiper, P.J.C. 1991. The internal resistance in spinach shoots to atmospheric H₂S deposition is determined by metabolism processes. Plant Physiol. Biochem. 29: 463-470.

Schütz, B., De Kok, L.J. and Rennenberg, H. 1991. Thiol accumulation and cysteine desulfhydrase activity in H₂S-fumigated leaves and leaf homogenates of cucurbit plants. Plant & Cell Physiol. 32: 733-736.

 

1990

Bosma, W., Kamminga, G. and De Kok, L.J. 1990. H₂S-induced accumulation of sulfhydryl-compounds in the leaves of plants under field and laboratory exposure. In: Sulfur Nutrition and Sulfur Assimilation in Higher Plants. Rennen­berg, H. Brunold, Ch., De Kok, L.J. and Stulen, I. (eds.), SPB Academic Publishing, The Hague, pp. 173-175, ISBN 90-5103-038-X.

Buwalda, F., Stulen, I. and De Kok, L.J. 1990. Photorespiratory amino acid metabolism of spinach leaves is changed by H₂S. Physiol. Plant. 79 (2): A123.

 

Buwalda, F., Stulen, I., De Kok, L.J. and Kuiper, P.J.C. 1990. Cysteine, g -glutamyl-cysteine and glutathione contents of spinach leaves as affected by darkness and application of excess sulfur. II. Glutathione accumulation in detached leaves exposed to H₂S in the absence of light is stimulated by the supply of glycine to the petiole. Physiol. Plant. 80: 196-204.

De Kok, L.J. 1990. Sulfur metabolism in plants exposed to atmospheric sulfur. In: Sulfur Nutrition and Sulfur Assimilation in Higher Plants. Rennen­berg, H. Brunold, Ch., De Kok, L.J. and Stulen, I. (eds.), SPB Academic Publishing, The Hague, pp. 111-130, ISBN 90-5103-038-X.

Rennenberg, H., Brunold, C, De Kok, L.J. and Stulen, I. 1990. Sulfur Nutri­tion and Sulfur Assimilation in Higher Plants. SPB Academic Publishing, The Hague , 276 pp., ISBN 90-5103-038-X.

Stulen, I. , Posthumus, F.S., Amancio, S. and De Kok, L.J. 1990. Why is H₂S not phytotoxic in monocots? Physiol. Plant. 79(2): A123.

 

 

1989

De Kok, L.J. 1989. Effects of atmospheric hydrogen sulfide on plant metabo­lism. Thesis, University of Groningen .

De Kok, L.J. 1989. Responses of sulfur metabolism in plants to atmospheric hydrogen sulfide. Phyton 29: 189-201.

De Kok, L.J. and Graham, M. 1989. Levels of pigments, soluble proteins, amino acids and sulfhydryl compounds in foliar tissue of Arabidopsis thaliana L. during dark-induced and natural senescence.Plant Physiol. Biochem. 27: 203-209.

De Kok, L.J., Stahl, K. and Rennenberg, H. 1989. Fluxes of atmospheric hydrogen sulfide to plant shoots. New Phytol. 112: 533-542.

 

1988

Buwalda, F., De Kok, L.J., Stulen, I. and Kuiper, P.J.C. 1988. Cysteine, g -glutamyl-cysteine and glutathione contents of spinach leaves as affected by darkness and application of excess sulfur. Physiol. Plant. 74: 663-668.

De Kok, L.J., Buwalda, F. and Bosma, W. 1988. Determination of cysteine and its accumulation in spinach leaf tissue upon exposure to excess sulfur. J. Plant Physiol. 133: 502-505.

De Kok, L.J., Maas, F.M., Stulen, I. and Kuiper 1988. Sulfur containing air pollutants and their effects on plant metabolism. Air Pollut. Ecosyst. 7: 620-625.

Maas, F.M. and De Kok, L.J. 1988. In vitro NADH oxidation as an early indica­tor for growth reduction in spinach exposed to H₂S in the ambient air. Plant Cell Physiol. 29: 103-107.

Stuiver, C.E.E., De Kok, L.J. and Kuiper, P.J.C. 1988. Freezing injury in spinach leaf tissue: effects on water-soluble proteins, protein-sulfhydryl and water-soluble non-protein sulfhydryl compounds. Physiol. Plant. 74: 72-76.

 

1987

De Kok, L.J., Graham, M. and Dalling, M.J. 1987. Changes in biochemistry and gene expression in senescing shoots of Arabidopsis thaliana L. Acta Bot. Neerl. 36 (2): suppl. 1, 18.

Maas, F.M., De Kok, L.J., Hoffmann, I. and Kuiper, P.J.C. 1987. Plant re­sponses to H₂S and SO₂ fumigation. I. Effects on growth, transpiration and sulfur content of spinach. Physiol. Plant. 70: 713-721.

Maas, F.M., De Kok, L.J., Peters, J.L. and Kuiper, P.J.C. 1987. A comparative study on the effects of H₂S and SO₂ fumigation on the growth and accumula­tion of sulfate and sulfhydryl compounds in Trifolium pratense L., Glycine max Merr. and Phaseolus vulgaris L. J. Exp. Bot. 38: 1459-1469.

Maas, F.M., De Kok, L.J., Strik-Timmer, W. and Kuiper, P.J.C. 1987. Plant responses to H₂S and SO₂ fumigation. II. Differences in metabolism of H₂S and SO₂ in spinach. Physiol. Plant. 722-728.

 

1986

De Kok, L.J. and Kuiper, P.J.C. 1986. Effect of short-term dark incubation with sulfate, chloride and selenate on the glutathione content of spinach leaf discs. Physiol. Plant. 68: 477-482.

De Kok, L.J., Maas, F.M., Godeke, J., Haaksma, A.B. and Kuiper, P.J.C. 1986. Glutathione, a tripeptide which may function as a temporary storage of exces­sive reduced sulphur in H₂S fumigated spinach plants. PlantSoil 91: 349-352.

De Kok, L.J., Maas, F.M., Godeke, J., Haaksma, A.B. and Kuiper, P.J.C. 1986. Glutathione, a tripeptide which may function as a temporary storage of excessive reduced sulphur in H₂S fumigated spinach plants. In: Physiological, Ecological and Applied Aspects of Nitrogen Metabolism in Higher Plants. Lambers, H., Neeteson J.J. and Stulen, I. (eds.), Martinus Nijhoff Publishers, Dor­drecht . pp. 203-206. ISBN 90-247-3258-1.

De Kok, L.J., Stulen, I., Bosma, W. and Hibma, J. 1986. The effect of short-term H₂S fumigation on nitrate reductase activity in spinach leaves. Plant Cell Physiol. 27: 1249-1254.

Maas, F.M., Hoffmann, I., Van Harmelen, M.J. and De Kok, L.J. 1986. Refrac­tometric determination of sulfate and other anions in plants separated by High Performance Liquid Chromatography. Plant and Soil 91: 129-132.

Van Dijk, P.J., Stulen, I. and De Kok, L.J. 1986. The effect of sulfide in the ambient air on amino acid metabolism of spinach leaves. In: Physiological, Ecological and Applied Aspects of Nitrogen Metabolism in Higher Plants. Lambers, H., Neeteson J.J. and Stulen, I. (eds.), Martinus Nijhoff Publishers, Dor­drecht . pp. 207-209. ISBN 90-247-3258-1.

 

1985

De Kok, L.J., Bosma, W., Maas, F.M. and Kuiper, P.J.C. 1985. The effect of short-term H₂S fumigation on water-soluble sulfhydryl compounds and glu­tathione levels in spinach. Plant, Cell & Environment 8: 189-194.

Maas, F.M., De Kok, L.J. and Kuiper, P.J.C. 1985. The effect of H₂S fumiga­tion on various spinach (Spinacia oleracea L.) cultivars. Relation between growth inhibition and accumulation of sulphur compounds in the plant. J. Plant Physiol. 119: 219-226.

 

1984

Maas, F.M. and De Kok, L.J. 1984. Growth reduction of Spinacia oleracea by H₂S fumigation in relation to accumulation of sulphur-compounds. Plant Physi­ol. 75, supplement to, 1112.

Stuiver, C.E.E., De Kok, L.J., Santens, J.M.O. and Kuiper, P.J.C. 1984. The effect of Na₂SO₄ on the lipid composition of sugar beet plants. Z. Pflanzenphy­siol. 114: 187-191.

 

1983

De Kok, L.J. and Oosterhuis, F.A. 1983. Effects of frost-hardening and salinity on glutathione and sulfhydryl levels and on glutathione reductase activity in spinach leaves. Physiol. Plant. 58: 47-51.

De Kok, L.J., Thompson, C.R. and Kuiper, P.J.C. 1983. Sulfide-induced oxygen uptake by isolated spinach chloroplasts catalyzed by photosynthetic electron transport. Physiol. Plant. 59: 19-22.

De Kok, L.J., Thompson, C.R., Mudd, J.B. and Kats, G. 1983. Effect of H₂S fumigation on water-soluble sulfhydryl compounds in shoots of crop plants. Z. Pflanzenphysiol. 111: 85-89.

 

1982

De Kok, L.J., Kuiper, P.J.C. and Bruins, A.P. 1982. A poly-unsaturated octade­canoic acid derivative, a major fatty acid in sporophores of Cantharellus cibarius Fr. In: Biochemistry and Metabolism of Plant Lipids. Wintermans, J.F.G.M. and Kuiper, P.J.C. (eds.), Elsevier Biomedical Press, Amsterdam . pp. 47-50. ISBN 0-444-80457-9.

Stuiver, C.E.E., De Kok, L.J., Hendriks, A.E. and Kuiper, P.J.C. 1982. The effect of salinity on phospholipid content and composition of two Plantago species, differing in salt tolerance. In: Metabolism of Plant Lipids. Winter­mans, J.F.G.M. and Kuiper, P.J.C. (eds.), Elsevier Biomedical Press, Amsterdam . pp. 455-458. ISBN 0-444-80457-9.

 

1981

De Kok, L.J., De Kan, P.J.L., Tánczos, O.G. and Kuiper, P.J.C. 1981. Sulphate induced accumulation of glutathione and frost-tolerance of spinach leaf tissue. Physiol. Plant. 53: 435-438.

De Kok, L.J., De Kan, P.J.L., Tánczos, O.G. and Kuiper, P.J.C. 1981. Glu­tathione content and frost tolerance of spinach leaves. Plant Physiol. 67 (suppl.): 353.

 

1980

Beltman, H.A., De Kok, L.J., Kuiper, P.J.C. and Van Hasselt, Ph.R. 1980. Fatty acid composition and chlorophyll content of epiphytic lichens and a possible relation to their sensitivity to air pollution. Oikos 35: 321-326.

 

1979

Van Hasselt, Ph.R., De Kok, L.J. and Kuiper, P.J.C. 1979. Effect of a -to­copherol, ß-carotene, monogalactosyldiglyceride and phosphatidylcholine on light-induced degradation of chlorophyll a in acetone. Physiol. Plant. 45: 475-479.

 

1978

De Kok, L.J., Van Hasselt, Ph.R. and Kuiper, P.J.C. 1978. Photo-oxidative degradation of chlorophyll-a and unsaturated lipids in liposomal dispersions. Physiol. Plant. 43: 7-12.

 

1977

De Kok, L.J. and Kuiper, P.J.C. 1977. Glycolipid degradation in leaves of the thermophilic Cucumis sativus as affected by light and low temperature. Physi­ol. Plant. 39: 123-128.

Dertien, B.K., De Kok, L.J. and Kuiper, P.J.C. 1977. Lipid and fatty acid composition of tree-growing and terrestrial lichens. Physiol. Plant. 40: 175-180.

 

1975

Raalte, M.H. van, De Kok, L.J. and Oppenoorth, J.M. 1975. Experiments on root formation. The site of initiation of adventitious roots in petioles of Phaseo­lus vulgaris L. Kon. Ned. Akad. v. Wet. A'dam, Proc. Ser. C78 (3): 217-225.