Author Helm, Conrad

• 2011 | Journal Article
  ​ ​The male genitalia of Oxyartes lamellatus - phasmatodeans do have complex phallic organs (Insecta: Phasmatodea)​
  Helm, C.; Treulieb, S.; Werler, K.; Bradler, S. & Klass, K.-D.​ (2011) 
  Zoologischer Anzeiger - A Journal of Comparative Zoology, 250(3) pp. 223​-245​.​ DOI: https://doi.org/10.1016/j.jcz.2011.04.005 
  ​Details  DOI  WoS 

• 2012 | Journal Article
  ​ ​Exploiting gene families for phylogenomic analysis of myzostomid transcriptome data​
  Hartmann, S.; Helm, C.; Nickel, B.; Meyer, M.; Struck, T. H.; Tiedemann, R. & Selbig, J. et al.​ (2012) 
  PLoS One, 7(1) art. e29843​.​ DOI: https://doi.org/10.1371/journal.pone.0029843 
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• 2012 | Journal Article
  ​ ​Deep sequencing of small RNAs confirms an annelid affinity of Myzostomida​
  Helm, C.; Bernhart, S. H.; Höner zu Siederdissen, C.; Nickel, B. & Bleidorn, C. ​ (2012) 
  Molecular Phylogenetics and Evolution, 64(1) pp. 198​-203​.​ DOI: https://doi.org/10.1016/j.ympev.2012.03.017 
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• 2013 | Journal Article
  ​ ​Myoanatomy of Myzostoma cirriferum (Annelida, Myzostomida): implications for the evolution of the myzostomid body plan​
  Helm, C.; Weigert, A.; Mayer, G. & Bleidorn, C. ​ (2013) 
  Journal of Morphology, 274(4) pp. 456​-466​.​ DOI: https://doi.org/10.1002/jmor.20107 
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• 2013 | Journal Article
  ​ ​Temporal plasticity in annelid development--ontogeny of Phyllodoce groenlandica (Phyllodocidae, Annelida) reveals heterochronous patterns​
  Helm, C.; Schemel, S. & Bleidorn, C. ​ (2013) 
  Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution, 320(3) pp. 166​-178​.​ DOI: https://doi.org/10.1002/jez.b.22492 
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• 2013 | Journal Article
  ​ ​Expression pattern of Piwi-like genes in adult Myzostoma cirriferum (Annelida)​
  Weigert, A.; Helm, C.; Hausen, H.; Zakrzewski, A.-C. & Bleidorn, C. ​ (2013) 
  Development Genes and Evolution, 223(5) pp. 329​-334​.​ DOI: https://doi.org/10.1007/s00427-013-0444-x 
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• 2014 | Book Chapter
  ​ ​From morphology to phylogenomics: Placing the enigmatic Myzostomida in the tree of life​
  Bleidorn, C. ; Helm, C.; Weigert, A.; Eeckhaut, I.; Lanterbecq, D.; Struck, T. H.& Hartmann, S. et al.​ (2014)
  In:​Wägele, J. Wolfgang; Bartolomaeus, Thomas​ (Eds.), Deep Metazoan Phylogeny: The Backbone of the Tree of Life. New insights from analyses of molecules, morphology, and theory of data analysis pp. 161​-172. ​Berlin: ​De Gruyter. DOI: https://doi.org/10.1515/9783110277524.161 
  ​Details  DOI 

• 2014 | Journal Article
  ​ ​Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids​
  Aguado, M. T.; Helm, C.; Weidhase, M. & Bleidorn, C. ​ (2014) 
  Organisms Diversity & Evolution, 15(1) pp. 1​-21​.​ DOI: https://doi.org/10.1007/s13127-014-0183-5 
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• 2014 | Journal Article
  ​ ​Immunohistochemical investigations of Myzostoma cirriferum and Mesomyzostoma cf. katoi (Myzostomida, Annelida) with implications for the evolution of the myzostomid body plan​
  Helm, C.; Stevenson, P. A.; Rouse, G. W. & Bleidorn, C. ​ (2014) 
  Zoomorphology, 133(3) pp. 257​-271​.​ DOI: https://doi.org/10.1007/s00435-014-0221-z 
  ​Details  DOI 

• 2014 | Journal Article
  ​ ​An immunocytochemical window into the development of Platynereis massiliensis (Annelida, Nereididae)​
  Helm, C.; Adamo, H.; Hourdez, S. & Bleidorn, C. ​ (2014) 
  International Journal of Developmental Biology, 58(6-8) pp. 613​-622​.​ DOI: https://doi.org/10.1387/ijdb.140081cb 
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• 2014 | Journal Article
  ​ ​Early divergence, broad distribution, and high diversity of animal chitin synthases​
  Zakrzewski, A.-C.; Weigert, A.; Helm, C.; Adamski, M.; Adamska, M.; Bleidorn, C.   & Raible, F. et al.​ (2014) 
  Genome Biology and Evolution, 6(2) pp. 316​-325​.​ DOI: https://doi.org/10.1093/gbe/evu011 
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• 2014 | Journal Article
  ​ ​Illuminating the base of the annelid tree using transcriptomics​
  Weigert, A.; Helm, C.; Meyer, M.; Nickel, B.; Arendt, D.; Hausdorf, B. & Santos, S. R. et al.​ (2014) 
  Molecular Biology and Evolution, 31(6) pp. 1391​-1401​.​ DOI: https://doi.org/10.1093/molbev/msu080 
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• 2015 | Journal Article
  ​ ​Immunohistochemical investigations of the development ofScoloplos armiger(“intertidalis clade”) indicate a paedomorphic origin ofProscoloplos cygnochaetus(Annelida, Orbiniidae)​
  Helm, C.; Krause, A. & Bleidorn, C. ​ (2015) 
  Invertebrate Biology, 134(3) pp. 214​-230​.​ DOI: https://doi.org/10.1111/ivb.12090 
  ​Details  DOI 

• 2015 | Book Chapter
  ​ ​Annelida​
  Bleidorn, C. ; Helm, C.; Weigert, A.& Aguado, M. T.​ (2015)
  In:​Wanninger, Andreas​ (Ed.), Evolutionary Developmental Biology of Invertebrates 2: Lophotrochozoa (Spiralia) pp. 193​-230. ​Wien: ​Springer. DOI: https://doi.org/10.1007/978-3-7091-1871-9_9 
  ​Details  DOI 

• 2017 | Journal Article | 
  ​ ​Comparative analyses of glycerotoxin expression unveil a novel structural organization of the bloodworm venom system​
  Richter, S.; Helm, C.; Meunier, F. A.; Hering, L.; Campbell, L. I.; Drukewitz, S. H. & Undheim, E. A. B. et al.​ (2017) 
  BMC Evolutionary Biology, 17(1) art. 64​.​ DOI: https://doi.org/10.1186/s12862-017-0904-4 
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• 2018 | Journal Article | 
  ​ ​Convergent evolution of the ladder-like ventral nerve cord in Annelida​
  Helm, C.; Beckers, P.; Bartolomaeus, T.; Drukewitz, S. H; Kourtesis, I.; Weigert, A. & Purschke, G. et al.​ (2018) 
  Frontiers in Zoology, 15(1) art. 36​.​ DOI: https://doi.org/10.1186/s12983-018-0280-y 
  ​Details  DOI 

• 2018 | Journal Article | 
  ​ ​Developmental studies provide new insights into the evolution of sense organs in Sabellariidae (Annelida)​
  Helm, C.; Bok, M. J; Hutchings, P.; Kupriyanova, E. & Capa, M.​ (2018) 
  BMC Evolutionary Biology, 18(1) art. 149​.​ DOI: https://doi.org/10.1186/s12862-018-1263-5 
  ​Details  DOI  PMID  PMC 

• 2019 | Journal Article | 
  ​ ​The anatomy and development of the nervous system in Magelonidae (Annelida) – insights into the evolution of the annelid brain​
  Beckers, P.; Helm, C. & Bartolomaeus, T.​ (2019) 
  BMC Evolutionary Biology, 19(1).​ DOI: https://doi.org/10.1186/s12862-019-1498-9 
  ​Details  DOI 

• 2019 | Journal Article | 
  ​ ​The central nervous system of Oweniidae (Annelida) and its implications for the structure of the ancestral annelid brain​
  Beckers, P.; Helm, C.; Purschke, G.; Worsaae, K.; Hutchings, P. & Bartolomaeus, T.​ (2019) 
  Frontiers in Zoology, 16(1) art. 6​.​ DOI: https://doi.org/10.1186/s12983-019-0305-1 
  ​Details  DOI 

• 2020 | Journal Article
  ​ ​A new species of Syllis Grube, 1850 including transcriptomic data and an updated phylogeny of Syllinae (Annelida: Syllidae)​
  Ribeiro, R. P.; Ponz-Segrelles, G.; Helm, C.; Egger, B. & Aguado, M. T.​ (2020) 
  Marine Biodiversity, 50(3).​ DOI: https://doi.org/10.1007/s12526-020-01046-y 
  ​Details  DOI 

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