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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Myxobolus myleus n. sp. infecting the bile of the Amazonian freshwater fish Myleus rubripinnis (Teleostei: Serrasalmidae): Morphology and pathology
Systematic Parasitology, Volume 82, No. 3, Year 2012
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Description
Myxobolus myleus n. sp. is described from the gall-bladder of the freshwater fish Myleus rubripinnis collected near the city of Oriximiná in the Amazon System, Brazil. The spores obtained from the bile contained two equal symmetrical and smooth valves, each forming the spore wall. The spores were large, with a cone-like form, a semi spherical basal contour and measured (in μm) 19.3 ± 0.5 (n = 25) × 8.3 ± 0.5 (n = 25) × 4.0 ± 0.3 (n = 15). The apical end of the spores contained two elongate, equal and pointed conical polar capsules measuring 13.2 ± 0.4 μm (n = 25) in length and 3.0 ± 0.3 μm (n = 15) in width, each having a slightly tapering polar filament with 19 to 21 turns. The polar capsules were extended below at about 4/5 of the total length of the spores. The sporoplasm was binucleate and contained some sporoplasmosomes. All infected fish presented hypertrophy of the gall-bladder due to presence of the brownish parasite floating in the bile. In this paper we describe this new species of myxosporean based on light and ultrastructural observations, together with its associated pathology. © 2012 Springer Science+Business Media B.V.
Authors & Co-Authors
Azevedo, Carlos
Portugal, Porto
Universidade do Porto
Portugal, Matosinhos
Ciimar - Interdisciplinary Centre of Marine and Environmental Research
de São Clemente, Sérgio Carmona
Brazil, Niteroi
Universidade Federal Fluminense
Casal, Graça
Portugal, Porto
Universidade do Porto
Portugal, Matosinhos
Ciimar - Interdisciplinary Centre of Marine and Environmental Research
Portugal, Gandra
Instituto Universitário de Ciências da Saúde Iucs
Matos, Patrícia Santos
Brazil, Belem
Federal Rural University of Amazonia - Lga/ufra
Alves, Ângela
Portugal, Porto
Universidade do Porto
Portugal, Matosinhos
Ciimar - Interdisciplinary Centre of Marine and Environmental Research
Al-Quraishy, Saleh A.S.
Saudi Arabia, Riyadh
College of Sciences
Matos, Edilson Rodrigues
Brazil, Belem
Federal Rural University of Amazonia Ufra
Statistics
Citations: 7
Authors: 7
Affiliations: 7
Identifiers
Doi:
10.1007/s11230-012-9360-0
ISSN:
01655752