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Diseases of Aquatic Organisms

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DAO 153:87-93 (2023)  -  DOI:

A new species of Myxobolus (Cnidaria: Myxosporea: Myxobolidae) from the gibel carp Carassius gibelio (Cypriniformes: Cyprinidae)

Marina Dashi-Dorjievna Batueva1,*,#, Xin-Hua Liu2,#, Jin-Yong Zhang3, Vladimir Nikolaevich Voronin4, Timur Iminovich Naydanov5, Roman Yuryevich Abasheev5

1Institute of General and Experimental Biology of Siberian Branch Russian Academy of Sciences, Ulan-Ude 670047, Russia
2College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
3The Laboratory of Aquatic Parasitology, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266237, PR China
4State Academy of Veterinary Medicine St. Petersburg, St. Petersburg 196084, Russia
5Buryat State University, Ulan-Ude 670000, Russia
*Corresponding author:
#These authors contributed equally to this paper

ABSTRACT: Myxobolus zhaltsanovae n. sp., is described from the gills of gibel carp Carassius gibelio found during a survey of myxozoans from the watershed of Lake Baikal, Russia, based on morphological and molecular characterizations. Plasmodia of M. zhaltsanovae n. sp. develop extravascularly and measure 500-1000 μm long, 25-100 μm wide. The myxospore is circular to oval, measuring 13.23 ± 0.09 (11.3-14.8) µm (mean ± SD, range) in length, 10.19 ± 0.07 (9.1-11.4) µm in width, and 6.49 ± 0.12 (5.4-7.2) µm in thickness. Polar capsules are unequal and subspherical; measurements of polar capsules are: length 5.62 ± 0.06 (4.7-6.7), width 3.44 ± 0.04 (2.4-4.4) µm and length 3.42 ± 0.05 (2.5-4.1), width 1.94 ± 0.04 (1.3-3.3) µm. Phylogenetic analysis with the 18S rDNA gene shows M. zhaltsanovae n. sp. as a sister species of the subclade formed by M. musseliusae, M. tsangwuensis, and M. basilamellaris, which infect common carp Cyprinus car pio.

KEY WORDS: Myxozoa · Myxobolus · Morphology · Histology · 18S rDNA · Gibel carp

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Cite this article as: Batueva MDD, Liu XH, Zhang JY, Voronin VN, Naydanov TI, Abasheev RY (2023) A new species of Myxobolus (Cnidaria: Myxosporea: Myxobolidae) from the gibel carp Carassius gibelio (Cypriniformes: Cyprinidae). Dis Aquat Org 153:87-93.

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