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prof. dr. B. (Barbara) Helm

Associate Professor for Biological Rhythms of Natural Organisms

prof. dr. B. (Barbara) Helm
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p.kraak rug.nl
E-mail:
b.helm rug.nl

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  1. 2021
  2. Jarrett, C., Powell, L. L., Claire, T. T. R., Tchoumbou, M., & Helm, B. (Accepted/In press). Moult of overwintering Wood Warblers in an annual-cycle perspective. Journal of Ornithology.
  3. 2020
  4. Jarrett, C., Powell, L. L., McDevitt, H., Helm, B., & Welch, A. J. (Accepted/In press). Bitter fruits of hard labour: Diet metabarcoding and telemetry reveal that urban songbirds travel further for lower-quality food. Oecologia.
  5. Salmón, P., Jacobs, A., Ahrén, D., Biard, C., Dingemanse, N. J., Dominoni, D. M., Helm, B., Lundberg, M., Senar, J. C., Sprau, P., Visser, M. E., & Isaksson, C. (2020). Repeated genomic signatures of adaptation to urbanisation in a songbird across Europe. Manuscript submitted for publication. https://doi.org/10.1101/2020.05.05.078568
  6. Winders, L. A., White, S. A., Helm, B., & McCafferty, D. J. (2020). Body surface temperature responses to food restriction in wild and captive great tits. Journal of Experimental Biology, 223(8), [ jeb220046]. https://doi.org/10.1242/jeb.220046
  7. Akesson, S., & Helm, B. (Accepted/In press). Endogenous programs and flexibility in bird migration. Frontiers in Ecology and Evolution.
  8. Huffeldt, N. P., Merkel, F. R., Jenni-Eiermann, S., Goymann, W., & Helm, B. (2020). Melatonin and corticosterone profiles under polar day in a seabird with sexually-opposite activity-rhythms. General and Comparative Endocrinology, 285, [113296]. https://doi.org/10.1016/j.ygcen.2019.113296
  9. Helm, B. (2020). Embodied time: A shared, ancient heritage. In N. Dess (Ed.), Embodiment: A Multidisciplinary Primer (pp. 59-64). (Advances in Theoretical & Philosophical Psychology). Routledge. https://doi.org/10.4324/9780429352379
  10. 2019
  11. Helm, B., Van Doren, B. M., Hoffmann, D., & Hoffmann, U. (2019). Evolutionary response to climate change in migratory Pied flycatchers. Current Biology, 29(21), 3714-3719.e4. https://doi.org/10.1016/j.cub.2019.08.072
  12. Modha, S., Hughes, J., Bianco, G., Ferguson, H. M., Helm, B., Tong, L., Wilkie, G. S., Kohl, A., & Schnettler, E. (2019). Metaviromics Reveals Unknown Viral Diversity in the Biting Midge Culicoides impunctatus. Viruses, 11(9), [865]. https://doi.org/10.3390/v11090865
  13. Apfelbeck, B., Haussmann, M. F., Boner, W., Flinks, H., Griffiths, K., Carlos Illera, J., Mortega, K. G., Sisson, Z., Smiddy, P., & Helm, B. (2019). Divergent patterns of telomere shortening in tropical compared to temperate stonechats. Ecology and Evolution, 9(1), 511-521. https://doi.org/10.1002/ece3.4769
  14. 2018
  15. Gwinner, H., Lasheras, P. C., Cooper, C., & Helm, B. (2018). 'Green incubation': avian offspring benefit from aromatic nest herbs through improved parental incubation behaviour. Proceedings of the Royal Society of London. Series B, Biological Sciences, 285(1880), [20180376]. https://doi.org/10.1098/rspb.2018.0376
  16. Dominoni, D. M., de Jong, M., Bellingham, M., O'Shaughnessy, P., van Oers, K., Robinson, J., Smith, B., Visser, M. E., & Helm, B. (2018). Dose-response effects of light at night on the reproductive physiology of great tits (Parus major): Integrating morphological analyses with candidate gene expression. Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 329(8-9), 473-487. https://doi.org/10.1002/jez.2214
  17. Woodford, L., Bianco, G., Ivanova, Y., Dale, M., Elmer, K., Rae, F., Larcombe, S. D., Helm, B., Ferguson, H. M., & Baldini, F. (2018). Vector species-specific association between natural Wolbachia infections and avian malaria in black fly populations. Scientific Reports, 8(1), 4188. https://doi.org/10.1038/s41598-018-22550-z
  18. 2017
  19. Åkesson, S., Ilieva, M., Karagicheva, J., Rakhimberdiev, E., Tomotani, B., & Helm, B. (2017). Timing avian long-distance migration: From internal clock mechanisms to global flights. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 372(1734), [20160252]. https://doi.org/10.1098/rstb.2016.0252
  20. Schwartz, W. J., Helm, B., & Gerkema, M. P. (2017). Wild clocks preface and glossary: Preface and glossary. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 372(1734), [20170211]. https://doi.org/10.1098/rstb.2017.0211
  21. Van Doren, B. M., Campagna, L., Helm, B., Illera, J. C., Lovette, I. J., & Liedvogel, M. (2017). Correlated patterns of genetic diversity and differentiation across an avian family. Molecular Ecology, 26(15), 3982-3997. https://doi.org/10.1111/mec.14083
  22. Pollock, C. J., Capilla-Lasheras, P., McGill, R. AR., Helm, B., & Dominoni, D. M. (2017). Integrated behavioural and stable isotope data reveal altered diet linked to low breeding success in urban-dwelling blue tits (Cyanistes caeruleus). Scientific Reports, 7(1), 5014. https://doi.org/10.1038/s41598-017-04575-y
  23. Capilla-Lasheras, P., Dominoni, D. M., Babayan, S. A., O'Shaughnessy, P. J., Mladenova, M., Woodford, L., Pollock, C. J., Barr, T., Baldini, F., & Helm, B. (2017). Elevated immune gene expression is associated with poor reproductive success of urban blue tits. Frontiers in Ecology and Evolution, 5, 64. https://doi.org/10.3389/fevo.2017.00064
  24. Apfelbeck, B., Helm, B., Illera, J. C., Mortega, K. G., Smiddy, P., & Evans, N. P. (2017). Baseline and stress-induced levels of corticosterone in male and female Afrotropical and European temperate stonechats during breeding. BMC Evolutionary Biology, 17, [114]. https://doi.org/10.1186/s12862-017-0960-9
  25. Doren, B. M. V., Liedvogel, M., & Helm, B. (2017). Programmed and flexible: long-term Zugunruhe data highlight the many axes of variation in avian migratory behaviour. Journal of Avian Biology, 48(1), 155-172. https://doi.org/10.1111/jav.01348
  26. Helm, B., & Lincoln, G. A. (2017). Circannual rhythms anticipate the earth’s annual periodicity. In V. Kumar (Ed.), Biological timekeeping: Clocks, rhythms and behaviour (pp. 545-569). Springer, New Delhi. https://doi.org/10.1007/978-81-322-3688-7
  27. Helm, B., & Shavit, A. (2017). Dissecting and reconstructing time and space for replicable biological research. In A. Ellison, A. Shavit, & A. M. Ellison (Eds.), Stepping in the Same River Twice: Replication in Biological Research (pp. 233-249). Yale University Press.
  28. Jerem, P., Helm, B., & Jarrett, C. (2017). My family and other animals: Mixed broods of great and blue tits in the Loch Lomond woodlands. Glasgow Naturalist, 26(part 4).
  29. Jarrett, C., Maillard, F., & Helm, B. (2017). Seasonal trends in the temporal plasticity of breeding in blue tits and great tits in the Loch Lomond area. Glasgow Naturalist, 26(part 4).
  30. Apfelbeck, B., Mortega, K. G., Flinks, H., Illera, J. C., & Helm, B. (2017). Testosterone, territorial response, and song in seasonally breeding tropical and temperate stonechats. BMC Evolutionary Biology, 17(1), 101. https://doi.org/10.1186/s12862-017-0944-9
  31. 2016
  32. Nord, A., Lehmann, M., MacLeod, R., McCafferty, D. J., Nager, R. G., Nilsson, J-Å., & Helm, B. (2016). Evaluation of two methods for minimally invasive peripheral body temperature measurement in birds. Journal of Avian Biology, 47(3), 417-427. https://doi.org/10.1111/jav.00845
  33. Bakker, K. M., Martinez-Bakker, M. E., Helm, B., & Stevenson, T. J. (2016). Digital epidemiology reveals global childhood disease seasonality and the effects of immunization. Proceedings of the National Academy of Sciences, 113(24), 6689-6694. https://doi.org//10.1073/pnas.1523941113
  34. 2015
  35. Malzer, I., & Helm, B. (2015). The seasonal dynamics of artificial nest predation rates along edges in a mosaic managed reedbed. PLoS ONE, 10(10), e0140247. https://doi.org/10.1371/journal.pone.0140247
  36. Martinez-Bakker, M., & Helm, B. (2015). The influence of biological rhythms on host--parasite interactions. Trends in Ecology and Evolution, 30(6), 314-326. https://doi.org/10.1016/j.tree.2015.03.012
  37. Numata, H., & Helm, B. (Eds.) (2015). Annual, lunar, and tidal clocks: Patterns and mechanisms of nature's enigmatic rhythms. SPRINGER. https://doi.org/10.1007/978-4-431-55261-1
  38. 2014
  39. Mortega, K. G., Flinks, H., & Helm, B. (2014). Behavioural response of a migratory songbird to geographic variation in song and morphology. Frontiers in Zoology, 11(1), 85. https://doi.org/10.1186/s12983-014-0085-6
  40. Helm, B., & Stevenson, T. J. (2014). Circannual rhythms: history, present challenges, future directions. In Annual, lunar, and tidal clocks (pp. 203-225). Springer. https://doi.org/10.1007/978-4-431-55261-1_11
  41. Goymann, W., & Helm, B. (2014). Seasonality of life histories in tropical birds: Circannual rhythms and Zeitgeber. In Annual, lunar, and tidal clocks (pp. 247-275). Springer. https://doi.org/10.1007/978-4-431-55261-1_13
  42. 2013
  43. Steiger, S. S., Valcu, M., Spoelstra, K., Helm, B., Wikelski, M., & Kempenaers, B. (2013). When the sun never sets: Diverse activity rhythms under continuous daylight in free-living arctic-breeding birds. Proceedings of the Royal Society of London. Series B, Biological Sciences, 280(1764), 20131016. https://doi.org/10.1098/rspb.2013.1016
  44. Dominoni, D. M., Helm, B., Lehmann, M., Dowse, H. B., & Partecke, J. (2013). Clocks for the city: Circadian differences between forest and city songbirds. Proceedings of the Royal Society of London. Series B, Biological Sciences, 280(1763), 20130593. https://doi.org/10.1098/rspb.2013.0593
  45. Holland, R. A., & Helm, B. (2013). A strong magnetic pulse affects the precision of departure direction of naturally migrating adult but not juvenile birds. Journal of the Royal Society Interface, 10(81), 20121047. https://doi.org/10.1098/rsif.2012.1047
  46. Dominoni, D. M., Goymann, W., Helm, B., & Partecke, J. (2013). Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): Implications of city life for biological time-keeping of songbirds. Frontiers in Zoology, 10(1), 60. https://doi.org/10.1186/1742-9994-10-60
  47. 2012
  48. Goymann, W., Helm, B., Jensen, W., Schwabl, I., & Moore, I. T. (2012). A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clock. Proceedings of the Royal Society of London. Series B, Biological Sciences, 279(1742), 3527-3534. https://doi.org/10.1098/rspb.2012.0743
  49. Ramenofsky, M., Cornelius, J. M., & Helm, B. (2012). Physiological and behavioral responses of migrants to environmental cues. Journal of Ornithology, 153(Suppl. 1), S181-S191. https://doi.org/10.1007/s10336-012-0817-3
  50. Helm, B., Gwinner, E., Koolhaas, A., Battley, P., Schwabl, I., Dekinga, A., & Piersma, T. (2012). Avian migration: Temporal multi-tasking and a case study of melatonin cycles in waders. Progress in brain research, 199, 457-479. https://doi.org/10.1016/B978-0-444-59427-3.00026-5
  51. 2010
  52. Baldwin, M. W., Winkler, H., Organ, CL., & Helm, B. (2010). Wing pointedness associated with migratory distance in common-garden and comparative studies of stonechats (Saxicola torquata). Journal of Evolutionary Biology, 23(5), 1050-1063. https://doi.org/10.1111/j.1420-9101.2010.01975.x
  53. 2009
  54. Helm, B. (2009). Geographically distinct reproductive schedules in a changing world: Costly implications in captive stonechats. Integrative and Comparative Biology, 49(5), 563-579. https://doi.org/10.1093/icb/icp037
  55. Silverin, B., Gwinner, E., Van't Hof, T. J., Schwabl, I., Fusani, L., Hau, M., & Helm, B. (2009). Persistent diel melatonin rhythmicity during the Arctic summer in free-living willow warblers. Hormones and Behavior, 56(1), 163-168. https://doi.org/10.1016/j.yhbeh.2009.04.002
  56. Mukhin, A., Grinkevich, V., & Helm, B. (2009). Under cover of darkness: Nocturnal life of diurnal birds. Journal of Biological Rhythms, 24(3), 225-231. https://doi.org/10.1177/0748730409335349
  57. Helm, B., Schwabl, I., & Gwinner, E. (2009). Circannual basis of geographically distinct bird schedules. Journal of Experimental Biology, 212(9), 1259-1269. https://doi.org/10.1242/jeb.025411
  58. Helm, B. (2009). Temporal coordination of life cycle stages: An avian chronobiology perspective. Integrative and Comparative Biology, 49, E73. https://doi.org/10.1093/icb/icp002
  59. Buchmann, M., Helm, B., Rothery, P., & Flinks, H. (2009). Auswirkung von Spätbruten auf Mauser und Rückkehrrate bei einem Weitstreckenzieher, dem Steinschmätzer (Oenanthe oenanthe). Vogelwarte, 47, 125-133.
  60. Kalthoff, D., Breithaupt, A., Helm, B., Teifke, J. P., & Beer, M. (2009). Migratory status is not related to the susceptibility to HPAIV H5N1 in an insectivorous passerine species. PLoS ONE, 4(7), e6170. https://doi.org/10.1371/journal.pone.0006170
  61. 2008
  62. Flinks, H., Helm, B., & Rothery, P. (2008). Plasticity of moult and breeding schedules in migratory European Stonechats Saxicola rubicola. Ibis, 150(4), 687-697. https://doi.org/10.1111/j.1474-919X.2008.00833.x
  63. Woog, F., Wink, M., Rastegar-Pouyani, E., Gonzalez, J., & Helm, B. (2008). Distinct taxonomic position of the Madagascar stonechat (Saxicola torquatus sibilla) revealed by nucleotide sequences of mitochondrial DNA. Journal of Ornithology, 149(3), 423-430. https://doi.org/10.1007/s10336-008-0290-1
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