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Description of a New Neoactinomyxum Type Actinosporean from the Oligochaete Branchiura Sowerbyi Beddard

Overview
Journal Syst Parasitol
Specialty Parasitology
Date 2017 Jan 8
PMID 28062987
Citations 1
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Abstract

Actinosporean infection of oligochaetes living in the mud of a commercial gibel carp pond with myxosporean disease was studied. Six actinospore types were detected exclusively from the oligochaete Branchiura sowerbyi Beddard with very high prevalence (18%). Five out of the six types were identified as the same actinosporeans described in previous reports, the sixth actinosporean was identified as a new Neoactinomyxum type and described here based on morphological and molecular characterisation. Spore body of the actinospore was globular, much smaller than caudal processes. Three caudal processes were disc-like in apical view, hemispherical in side view, closer together and encircling the spore body. The number of sporoplasm cells was detected as eight in one specimen. The new actinosporean markedly differed from other Neoactinomyxum types in literature having much bigger caudal processes. DNA sequence analyses further confirmed the morphological identification, and revealed the actinosporean described here (KU641392) possessed less than 94% sequence similarity with myxozoans available in the GenBank database.

Citing Articles

First record and description of actinospore stages (raabeia, triactinomyxon, and aurantiactinomyxon types) of fish parasitic myxozoans from Malaysia.

Suhaimi N, Sellyei B, Cech G, Szekely C, Borkhanuddin M Int J Parasitol Parasites Wildl. 2024; 24:100964.

PMID: 39105042 PMC: 11298608. DOI: 10.1016/j.ijppaw.2024.100964.

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