Saint-Petersburg State University
Faculty of Biology

Department of Invertebrate Zoology
Rus | Eng

Evolutionary morphology and reproductive biology of aquatic invertebrates

Head of the Group:
Andrew N. Ostrovsky, PhD, DSc, Professor
oan_univer@yahoo.com

Current research:
  • Evolution of reproductive patterns in aquatic colonial invertebrates
  • Ultrastructure and evolution of placental analogues in Bryozoa
  • Comparative larval morphology and evolution in marine bryozoans
  • Complex symbiotc systems involving marine Bryozoa
  • Bryozoan life-histories (examples from the White Sea)
  • Comparative avicularian neuro- and mioanatomy in marine bryozoans
  • Systematics and biogeography of cheilostome bryozoans
Prospective research:
  • Bioactive compunds from marine bryozoans
  • Genomics and transcriptomes of marine and freshwater Bryozoa
Grants:
  • RSF grant 23-14-00351 “Exaptation in marine colonial organisms: non-canonical evolutionary pathways of sexual reproduction and symbiosis”
Expeditions and field works:
White, Northern, Black and Mediterranean Seas

Group:
Andrey E. Vishnyakov (Associate Professor)
Olga N. Kotenko (Research Assistant)
Anna Y. Kvatch (PhD student, researcher)
Vladimir A. Kutjumov (MSc, researcher)
Sergey V. Bagrov (MSc, technician)
Evgeny A. Bogdanov (MSc, researcher)
Maria A. Demidova (BSc, researcher)
Anna S. Zhivaeva (undergraduate student, research)
Yulia S. Kiryukova (Master student)
Varvara I. Smelkova (undergraduate student, research)

Links and partners:
The Natural History Museum, London
University of Vienna
New Zealand Institute of Water and Atmospheric Research
Smithsonian Tropical Research Institute
International Bryozoology Association

Recent publications:

  1. Grant H.E., Ostrovsky A.N., Jenkins H.L., Vieira L.M., Gordon D.P., Foster P.G., Kotenko O.N., Smith A.M., Berning B., Porter J.S., Souto J., Florence W.K., Tilbrook K.J. & Waeschenbach A. (2023) Multiple evolutionary transitions of reproductive strategies in a phylum of aquatic colonial invertebrates. Proceedings of the Royal Society, Biological Sciences 290(2010): 20231458. DOI: https://doi.org/10.1098/rspb.2023.1458
  2. Kotenko O.N. & Ostrovsky A.N. (2023) Unravelling the evolution of bryozoan larvae. Paleontological Journal 57(11): 1306-1318. https://doi.org/10.1134/S0031030123110072
  3. Bogdanov E.A., Vishnyakov A.E., Kotenko O.N., Grischenko A.V., Letarov A.V., Ostrovsky A.N. (2023) Seasonal dynamics of a complex cheilostome bryozoan symbiosis: vertical transfer challenged. Scientific Reports 13: 375. DOI: 10.1038/s41598-022-26251-6
  4. Orr R.J.S., Di Martino E., Ramsfjell M., Gordon D.P., Berning B., Chowdhury I., Craig S., Cumming R.L., Figuerola B., Florence W., Harmelin J.-G., Hirose M., Huang D., Jain S.S., Jenkins H.L., Kotenko O.N., Kuklinski P., Lee H.E., Madurell T., McCann L., Mello H.L., Obst M., Ostrovsky A.N., Paulay G., Porter J.S., Shunatova N.N., Smith A.M., Souto-Derungs J., Vieira L.M., Voje K.L., Waeschenbach A., Zagorsek K., Warnock R.C.M., Liow L.H. (2022) Paleozoic origins of cheilostome bryozoans and their parental care inferred by a new genome-skimmed phylogeny. Science Advances 8(13): eabm7452. DOI: 10.1126/sciadv.abm7452
  5. Serova K.M., Belikova E.V., Kotenko O.N., Vishnyakov A.E., Bogdanov E.A., Zaitseva O.V., Shunatova N.N. & Ostrovsky A.N. (2022) Reduction, rearrangement, fusion and hypertrophy: evolution of the muscular system in polymorphic zooids of cheilostome Bryozoa. Organisms Diversity and Evolution 22(4): 925-964. DOI: 10.1007/s13127-022-00562-y
  6. Bogdanov E.A., Vishnyakov A.E., Ostrovsky A.N. (2022) From Procaryota to Eumetazoa: Symbiotic associations in fossil and recent bryozoans. Paleontological Journal 56(7): 836-851. DOI: 10.1134/S0031030122070048
  7. Kotenko O.N., Bagrov S.V., Ostrovsky A.N. (2022) Aboral (pallial) epithelium in bryozoan larvae: a comparative morpho-functional analysis. Invertebrate Zoology 19(4): 369–403. DOI: 10.15298/invertzool.19.4.04
  8. Vishnyakov A.E., Karagodina N.P., Lim-Fong G., Ivanov P.A., Schwaha T.F., Letarov A.V. & Ostrovsky A.N. (2021) First evidence of virus-like particles in the bacterial symbionts of Bryozoa. Scientific Reports 11: 4. DOI: 10.1038/s41598-020-78616-4
  9. Nekliudova U.A., Schwaha T. F., Kotenko O. N., Gruber D., Cyran N., Ostrovsky A.N. (2021) Three in one: Evolution of viviparity, coenocytic placenta and polyembryony in cyclostome bryozoans. BMC Ecology & Evolution 21, 54. DOI: 10.1186/s12862-021-01775-z
  10. Kutyumov V.A., Predeus A.V., Starunov V.V., Maltseva A.L. & Ostrovsky A.N. (2021) Mitochondrial gene order of the freshwater bryozoan Cristatella mucedo retains ancestral lophotrochozoan features. Mitochondrion 59: 96-104. DOI: 10.1016/j.mito.2021.02.003
  11. Bibermair J., Ostrovsky A.N., Wanninger A., Schwaha T.F. (2021) Reproductive biology, embryonic development and matrotrophy in the phylactolaemate bryozoan Plumatella casmiana. Organisms Diversity and Evolution 21: 467-490. DOI: 10.1007/s13127-021-00497-w
  12. Ostrovsky A.N. (2021) Reproductive strategies and patterns in marine invertebrates: diversity and evolution. Paleontological Journal 55(7): 803-810. DOI: 10.1134/S003103012107008X
  13. Schwaha T.F., Ostrovsky A.N., Wanninger A. (2020). Key novelties in the evolution of Bryozoa: evidence from the soft-body morphology. Biological Reviews 95(3): 696-729. DOI: 10.1111/brv.12583
  14. Shevchenko E.T., Varfolomeeva M.A., Nekliudova U.A., Kotenko O.N., Usov N.V., Granovitch A.I., Ostrovsky A.N. (2020). Electra vs Callopora: Life-histories of two bryozoans with contrasting reproductive patterns from the White Sea. Invertebrate Reproduction and Development 64(2): 137-157. DOI: 10.1080/07924259.2020.1729260
  15. Maggioni D., Schiavo A., Ostrovsky A.N., Seveso D., Galli P., Arrigoni R., Berumen M.L., Benzoni F., Montano S. (2020). Zanclea divergens (Hydrozoa, Zancleidae) is a complex of bryozoan-associated cryptic species showing different patterns of diversification. Molecular Phylogenetics and Evolution 151. DOI: 10.1016/j.ympev.2020.106893
  16. Schwaha T., Moosbrugger M., Walzl M., Ostrovsky A.N. (2019). First ultrastructural evidence of placental nutrition in a ctenostome bryozoan: example of Amathia verticillata. Zoomorphology 138(2): 221-232. DOI: 10.1007/s00435-019-00438-4
  17. Nekliudova U.A., Shunkina K.V., Grishankov A.V., Varfolomeeva M.A., Granovitch A.I., Ostrovsky A.N. (2019). Colonies as dynamic systems: reconstructing the life-history of Cribrilina annulata (Bryozoa) on two algal substrates. Journal of the Marine Biological Association of the United Kingdom 99(6): 1363-1377. DOI: 10.1017/S0025315419000286
  18. Kvach A.Y., Varfolomeeva M.A., Kotenko O.N., Sukhotin A.A., Kutiumov V.A., Grischenko A.V., Granovitch A.I., Ostrovsky A.N. (2019). Life history of the ctenostome bryozoan Flustrellidra hispida in the White Sea. Invertebrate Zoology 16(4): 343-360. DOI: 10.15298/invertzool.16.4.03
  19. Nekliudova U.A., Schwaha T., Kotenko O.N., Gruber D., Cyran N., Ostrovsky A.N. 2019. Sexual reproduction of the placental brooder Celleporella hyalina (Bryozoa, Cheilostomata) in the White Sea. Journal of Morphology 280: 278-299. DOI: 10.1002/jmor.20943
  20. Sokolover N., Ostrovsky A.N., Ilan M. 2018. Schizoporella errata (Bryozoa: Cheilostomata) in the Israeli Mediterranean Sea: abundance, growth rate and reproduction strategy. Marine Biology Research. DOI: 10.1080/17451000.2018.1526385
  21. Schwaha T., Handschuh S., Ostrovsky A.N., Wanninger A. 2018. Morphology of the bryozoan Cinctipora elegans (Cyclostomata, Cinctiporidae) with the first data on its sexual reproduction and the cyclostome neuro-muscular system. BMC Evolutionary Biology 18: 92. DOI: 10.1186/s12862-018-1206-1
  22. Mathew M., Schwaha T., Ostrovsky A.N., Lopanik N.B. 2018. Symbiont-dependent sexual reproduction in marine colonial invertebrate: morphological and molecular evidence. Marine Biology 165: 14. DOI: 10.1007/s00227-017-3266-y
  23. Karagodina N.P., Vishnyakov A.E., Kotenko O.N., Maltseva A.L., Ostrovsky A.N. 2018. Ultrastructural evidence for nutritional relationships between a marine colonial invertebrate and its bacterial symbionts. Symbiosis 75: 155-164. DOI: 10.1007/s13199-017-0516-1
  24. Bolotov, I.N., Makhrov, A.A., Gofarov, M.Yu., Aksenova, O.V., Aspholm, P.E., Bespalaya, Yu.V., Kabakov, M.B., Kolosova, Yu.S., Kondakov, A.V., Ofenbock, T., Ostrovsky, A.N., Popov, I.Yu., von Proschwitz, T., Rudzite, M., Rudzitis, M., Sokolova, S.E., Valovirta, I., Vikhrev, I.V., Vinarski, M.V., Zotin, A.A. 2018. Climate warming as a possible trigger of keystone mussel population decline in oligotrophic rivers at the continental scale. Scientific Reports 8: 35. DOI: 10.1038/s41598-017-18873-y
  25. Serova K.M., Vishnyakov A.E., Zaytseva O.V., Kotenko O.N., Ostrovsky A.N. 2017. Comparative analysis of the nervous system of polymorphic zooids in marine bryozoans. Doklady Academii Nauk, Biological Sciences 475(2): 234-237 [in Russian] DOI: 10.7868/S0869565217200269; Doklady Biological Sciences 475: 144-147 [in English]. DOI: 10.1134/S0012496617040056
  26. Ostrovsky A.N., Lidgard S., Gordon D.P., Schwaha T., Genikhovich G., Ereskovsky A.V. 2016. Matrotrophy and placentation in invertebrates: a new paradigm. Biological Reviews 91: 673-711. DOI: 10.1111/brv.12189
  27. Ostrovsky A.N. 2013. Evolution of the sexual reproduction in marine invertebrates: example of gymnolaemate Bryozoa. Springer Verlag: Dordrecht, Heidelberg, New York. 356 pp. http://link.springer.com/book/10.1007%2F978-94-007-7146-8
  28. Shunkina K.V., Starunov V.V., Zaytseva O.V., Ostrovsky A.N. 2015. Comparative morphology of the nervous system in three phylactolaemate bryozoans. Frontiers in Zoology 12: 28. DOI:10.1186/s12983-015-0112-2
  29. Ostrovsky A.N. 2013. From incipient to substantial: evolution of placentotrophy in a phylum of aquatic colonial invertebrates. Evolution 67(5): 1368-1382. DOI: 10.1111/evo.12039
  30. Lidgard S., Carter M.C., Dick M.H., Gordon D.P., Ostrovsky A.N. 2012. Division of labor and recurrent evolution of polymorphisms in a group of colonial animals. Evolutionary Ecology 26(2): 233–257. DOI: 10.1007/s10682-011-9513-7
  31. Moosbrugger M., Schwaha T., Walzl M.G., Obst M., Ostrovsky A.N. 2012. The placental analogue and the pattern of sexual reproduction in the cheilostome bryozoan Bicellariella ciliata (Gymnolaemata). Frontiers in Zoology 9: 29. DOI:10.1186/1742-9994-9-29

to top

© Saint Petersburg State University, 2022