Dr. Conrad Helm

Research interests

Annelid evolution
Evolution of invertebrate organ systems
Development and evolution of invertebrate glial cells

Short CV

since 07/2018 Assistant Professor at the Georg-August University Goettingen in the department "Animal Evolution and Biodiversity"
01/2018-06/2018 Independent researcher at the Georg-August University Goettingen in the group "Animal Evolution and Biodiversity", financed by a personal research fellowship ("Rückkehrstipendium") from the german research foundation (DFG) (He 7224/2-1)
04/2017-12/2017 PostDoc at the Sars international centre for marine molecular biology, (University of Bergen) in the Hausen group – S11
04/2015-03/2017 Independent researcher at the Sars international centre for marine molecular biology, (University of Bergen) in the Hausen group – S11, financed by a personal research fellowship from the german research foundation (DFG) (He 7224/1-1)
05/2013-03/2015 Academic assistant in the lab of Prof. Dr. M. Schlegel (Molecular Evolution and Animal Systematics, University of Leipzig) and Prof. Dr. R. Rübsamen (General Zoology and Neurobiology, University of Leipzig)
05/2013 PhD thesis: "Integration of molecules and morphology reveals the phylogenetic position of Myzostomida" Grade: summa cum laude (supervised by Prof. Dr. M. Schlegel (Leipzig) and Prof. Dr. T. Bartolomaeus (Bonn))
2009-2013 PhD student at the University of Leipzig

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Entire list of publications on google scholar

Selected publications

1. Beckers P., Helm C., Purschke G., Worsaae K., Hutchings P. and Bartolomaeus T. (2019): The central nervous system of Oweniidae (Annelida) and its implications for the structure of the ancestral annelid brain. Frontiers in Zoology 16: 1-21.
2. Helm C., Bok M.J., Hutchings P., Kupriyanova E. and Capa M. (2018): Developmental studies provide new insights into the evolution of sense organs in Sabellariidae (Annelida). BMC Evolutionary Biology 18: 1-13.
3. Helm C., Beckers P., Bartolomaeus T., Drukewitz S.H., Kourtesis I., Weigert A., Purschke G., Worsaae K., Struck T.H. and Bleidorn C. (2018): Convergent evolution of the ladder-like ventral nerve cord in Annelida. Frontiers in Zoology 15: 36.
4. Helm C., Karl A., Beckers P., Kaul-Strehlow S., Ulbricht E., Kourtesis I., Kuhrt H., Hausen H., Bartolomaeus T., Reichenbach A. & Bleidorn C. (2017): Early evolution of radial glial cells in Bilateria. Proceedings of the Royal Society B 284: 20170743.
5. Helm C., Vöcking O., Kourtesis I. & Hausen H. (2016): Owenia fusiformis – a basally branching annelid suitable for studying ancestral features of annelid neural development. BMC Evolutionary Biology 16: 129.
6. Helm C. & Capa M. (2015): Comparative analyses of morphological characters in Sphaerodoridae and allies (Annelida) revealed by an integrative microscopical approach. Frontiers in Marine Science 1: 1-15.
7. Helm C., Krause A. & Bleidorn C. (2015): Immunohistochemical investigations of the development of Scoloplos armiger (“intertidalis clade”) indicate a paedomorphic origin of Proscoloplos cygnochaetus (Annelida, Orbiniidae). Invertebrate Biology 134: 214-230.
8. Bleidorn C., Helm C., Weigert A. & Aquado M.T. (2015): Annelida. In: Evolutionary Developmenal Biology of Invertebrates 2, 1. Edition, Chapter: 9, Publisher: Springer-Verlag Wien, Editors: Andreas Wanninger, pp.193-230.
9. Weigert A., Helm C., Meyer M., Nickel B., Arendt D., Hausdorf B., Santos S. R., Halanych K. M., Purschke G., Bleidorn C. & Struck T. H. (2014): Illuminating the base of the annelid tree using transcriptomics. Molecular Biology and Evolution, doi: 10.1093/molbev/msu080.
10. Helm C., Weigert A., Mayer G., Bleidorn C. (2013): Myoanatomy of Myzostoma cirriferum (Annelida, Myzostomida): Implications for the Evolution of the Myzostomid Body Plan. Journal of Morphology 274: 456–466.
11. Helm C., Schemel S., Bleidorn C. (2013): Temporal plasticity in annelid development - ontogeny of Phyllodoce groenlandica (Phyllodocidae, Annelida) reveals heterochronous patterns. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution 320: 166-178.
12. Helm C., Bernhart S. H., Höner zu Siederdissen C., Nickel B., Bleidorn, C. (2012): Deep sequencing of small RNAs confirms an annelid affinity of Myzostomida. Molecular Phylogenetics and Evolution 64: 198–203.