The Life Cycle of Ortholinea Auratae (Myxozoa: Ortholineidae) Involves an Actinospore of the Triactinomyxon Morphotype Infecting a Marine Oligochaete

Overview

Journal Parasitol Res

Specialty Parasitology

Date 2015 Apr 23

PMID 25899324

Citations 7

Authors

Luis F Rangel

Sonia Rocha

Ricardo Castro

Ricardo Severino

Graca Casal

Carlos Azevedo

Francisca Cavaleiro

Maria J Santos

Affiliations

Soon will be listed here.

Abstract

Actinospores released from the marine oligochaete Limnodriloides agnes inhabiting a Southern Portuguese fish farm are molecularly recognized as developmental stages of the life cycle of Ortholinea auratae, a myxosporean parasite that infects the urinary bladder of Sparus aurata. The molecular analysis of the 18S rRNA gene reveals a similarity of 99.9 to 100 % of the actinospores analyzed to the myxospores of O. auratae. The actinospores belong to the triactinomyxon morphotype and occur in groups of eight within pansporocysts that develop in the intestinal epithelium of the oligochaete host. This is the first record of a myxosporean using an oligochaete as its invertebrate host in the marine environment.

Citing Articles

Characterization of four novel actinospore types of fish parasitic myxozoans and the occurrence of and from fish farms of Hungary.

Suhaimi N, Sellyei B, Udvari Z, Szekely C, Cech G Int J Parasitol Parasites Wildl. 2024; 25:100994.

PMID: 39445088 PMC: 11497487. DOI: 10.1016/j.ijppaw.2024.100994.

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.

Synopsis of the species of Ortholinea Shulman, 1962 (Cnidaria: Myxosporea: Ortholineidae).

Rangel L, Rocha S, Santos M Syst Parasitol. 2024; 101(3):37.

PMID: 38700664 PMC: 11068676. DOI: 10.1007/s11230-024-10155-2.

New molecular evidence on the members of the genus (Cnidaria, Myxozoa) and the description of n. sp. infecting the urinary bladder of European anchovy in the Black Sea.

Okkay S, Gurkanli C, Ciftci Y, Ozer A Parasitology. 2024; 151(5):485-494.

PMID: 38443982 PMC: 11106505. DOI: 10.1017/S0031182024000325.

Involvement of sphaeractinomyxon in the life cycle of mugiliform-infecting (Cnidaria, Myxosporea) reveals high functionality of actinospore morphotype in promoting transmission.

Rocha S, Rangel L, Casal G, Azevedo C, Rodrigues P, Santos M Parasitology. 2020; 147(12):1320-1329.

PMID: 32594944 PMC: 10317763. DOI: 10.1017/S0031182020001043.

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