Binary Fission, Telotroch Formation and Conjugation in Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia)
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RIS BIB ENDNOTEBinary Fission, Telotroch Formation and Conjugation in Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia)
Publication date: 2010
Acta Protozoologica, 2010, Volume 49, Issue 1 , pp. 61 - 74
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Binary Fission, Telotroch Formation and Conjugation in Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia)
Mantoscyphidians occur in high numbers on the gills of South African Haliotis and limpet species. This provided the ideal opportunity to study asexual and sexual reproduction, for the first time in different African Mantoscyphidia Jankowski, 1985 populations. Descriptions of the reproductive processes found in scyphidiid peritrichs were until now, mostly based on line drawings. Scanning electronand light microscopy contributed uniquely, in providing detail information regarding binary fission, telotroch formation and conjugation. Mantoscyphidia spadiceae Botes, Basson and Van As, 2001 shed the most light on binary fission. Micronuclear division occurred first with the plane of fission already evident and macronuclear cleavage ended just before final separation took place. Fission is not complete until a small string of pellicle that joins the daughter cells finally separates. Information on telotroch development was gathered from M. branchi Van As, Basson and Van As, 1998 and M. spadiceae populations. Telotrochs were between 36.7 and 38.6% shorter than live, extended mantoscyphidians and their swimming action resembled mobiline peritrichs. Mantoscyphidia branchi populations also proved to be most useful for conjugation studies. Conjugation included three progamic nuclear divisions and preceded synkaryon formation and two metagamic nuclear divisions. The process required 24 hours to be completed.
Anderson O. R. (1988) Comparative Protozoology. Ecology, Physiology, Life History. Springer-Verlag, New York Inc.
Botes H., Basson L., Van As L. L. (2001) Two new species of Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia), gill symbionts of Haliotis Linnaeus, 1758 (Mollusca: Archaeogastropoda) from the south coast of South Africa. Acta Protozool. 40: 131–140
Colwin L. H. (1944) Binary fission and conjugation in Urceolaria synaptae (?) Type II (Protozoa, Ciliata) with special reference to the nuclear phenomena. J. Morphol. 75: 203–249
Corliss J. O. (1979) The Ciliated Protozoa: Characterization, Classification and Guide to the Literature. 2nd Edition. Pergamon Press, Oxford
Davis H. S. (1947) Studies of the protozoan parasites of fresh-water fishes. Fish. Bull. Fish and Wildl. Serv. 41: 1–29
Dobrzańska J. (1961) Orbopercularia raabei sp. n. from Talitrus saltator Mont of the Baltic Sea. Acta Parasitol. 9: 232–246
Finley H. E. (1939) Sexual differentiation in Vorticella microstoma. J. Exp. Zool. 81: 209–229
Finley H. E. (1943). The conjugation of Vorticella microstoma. Trans. Am. Microsc. Soc. 62: 97–121
Finley H. E. (1952) Sexual differentiation in peritrichous ciliates. J. Protozool. 91: 569–606
Finley H. E., Nicholas P. A. (1950) Sexual differentiation in Rhabdostyla vernalis. Proc. Nat. Acad. Sci. 36: 588–590
Foissner W. (1996) Ontogenesis in ciliated Protozoa, with emphasis on stomatogenesis. In: Ciliates: Cells as organisms, (Eds. K. Hausmann, P.C. Bradbury). Gustav Fischer, Stuttgart, 95–177
Foissner W., Schubert G. (1977) Morphologie der zooide und schwärmer von Heteropolaria colisarum gen. nov., spec. nov. (Ciliata, Peritrichida), einer symphorionten Epsitylidae von Colisa fasciata (Anabantoidei, Belontiidae). Acta Protozool. 16: 231–247
Gilbert J. J., Schröder T. (2003) The ciliate epibiont Epistylis pygmaeum: selection for zooplankton hosts, reproduction and effect on two rotifers. Freshw. Biol. 48: 878–893
Hobbs E. S., Lang M. E. (1954) Observations on the argentophilic granules of certain peritrichs. J. Protozool. 11: 21–30
Lom J., Dykova I. (1992) Protozoan parasites of fishes. Elsevier, Amsterdam
Peters H., Basson L., Van As L. L., Van As J. G. (2004) A new species of Ellobiophrya Chatton and Lwoff, 1923 (Ciliophora: Peritrichia) attached to Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia) species. Acta Protozool. 43: 163–172
Raabe Z. (1952) Ambiphrya miri g. n. sp. n. eine Übergangsform zwischen Peritricha Mobilina und Peritricha Sessilina. Anls. Univ. Mariae Curie-Sklodowska Lublin-Pol. 10: 343–358
Surber E. W. (1940) Scyphidia micropteri, a new protozoan parasite of largemouth and smallmouth black bass. Trans. Amer. Fish. Soc. 69: 169–175
Surber E. W. (1943) Scyphidia tholiformis, a peritrichous protozoan found on the gills and external surfaces of Micropterus dolomieu and Micropterus salmoides. Trans. Amer. Fish. Soc. 72: 197–203
Thompson S., Kirkegaard D., Jahn T. L. (1947) Scyphidia ameiuri, n.sp., a peritrichous ciliate from the gills of the bullhead, Ameiurus melas melas. Trans. Amer. Microsc. Soc. 66: 315–317
Utz L. R. P., Coats D. W. (2008) Telotroch formation, survival and attachment in the epibiotic peritrich Zoothamnium intermedium (Ciliophora: Oligohymenophorea). Invert. Biol. 127: 237–248
Vacchiano E., Dreisbach A., Locascio D., Castaneda L., Vivian T., Buhse H. E. Jr. (1992) Morphogenetic transitions and cytoskeletal elements of the stalked zooid and the telotroch stages in the peritrich ciliate Vorticella convallaria. J. Protozool. 39: 101–106
Van As L. L., Basson L., Van As J. G. (1998) Two new species of Mantoscyphidia Jankowski, 1980 (Ciliophora: Peritrichia) gill symbionts of limpets, from South Africa and the Sub-Antarctic Island, Marion. Acta Protozool. 37: 101–111
Vávra J. (1961) Rhabdostyla scyphidiformis n. sp., a new ectoparasitic Infusorian from tadpole branchial sac. Vestn. Cesk. Spol. Zool. 25: 229–236
Viljoen S., Van As J. G. (1987) Notes on the morphology and asexual reproductive processes of sessile peritrichs. Hydrobiologia. 154: 75–86
Walker M. H., Roberts E. M., Usher M. L. (1986) The fine structure of the trophont and stages in telotroch formation in Circolagenophrys ampulla (Ciliophora: Peritrichida). J. Protozool. 25: 229–236
Willis A. G. (1942) Studies on Lagenophrys tattersalli sp. n. (Ciliata: Peritrichia: Vorticellinae). Part I. Structure, asexual reproduction and metamorphosis. J. Microsc. Soc. 83: 171–196
Information: Acta Protozoologica, 2010, Volume 49, Issue 1 , pp. 61 - 74
Article type: Original article
Science Department, Clearwater Christian College, Clearwater, USA
Department of Zoology and Entomology, University of the Free State, Bloemfontein, South Africa
Department of Zoology and Entomology, University of the Free State, Bloemfontein, South Africa
Published at: 2010
Article status: Open
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