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An ultrastructural study of Zschokkella leptatherinae (Myxozoa: Myxosporea) from atherinid fish, Leptatherina presbyteroides

journal contribution
posted on 2023-05-16, 07:36 authored by Su, XQ
The structure and development of Zschokkella leptatherinae from the hepatic ducts of Leptatherina presbyteroides (Richardson) were studied by transmission electron microscopy. Plasmodia are located in the lumen of hepatic ducts and they are not in close contact with the epithelial cells. The surface of the plasmodium is delimited by a single unit membrane. Numerous microvillous projections extend from the surface of the plasmodium. Pinocytic vesicles are situated beneath the cell membrane. The sporogenesis proceeds with the pansporoblast formation. The sporogonic cell undergoes a series of divisions until ten undifferentiated cells are present within the enveloping cell. Ten cells differentiate and divide into two sporoblasts; each has five cells including two capsulogenic cells, two valvogenic cells and one sporoplasm. Two spores are produced from one pansporoblast at the end of sporogenesis.

History

Publication title

Acta Protozoologica

Volume

35

Pagination

41-48

ISSN

0065-1583

Department/School

School of Natural Sciences

Publisher

Nencki Inst Experimental Biology

Place of publication

Poland

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the environmental sciences

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