Ribosomal DNA sequences of Glugea anomala, G. stephani, G. americanus and Spraguea lophii (Microsporidia) : phylogenetic reconstruction

The microsporidian species Glugea anomala, G. stephani, G. americanus and Spraguea lophii were compared by using sequence data derived from their small subunit rDNA genes which were amplified by polymerase chain reaction and directly sequenced. These sequence data and published data of G. atherinae...

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Bibliographic Details
Published in:Diseases of aquatic organisms 2000-03, Vol.40 (2), p.125-129
Main Authors: POMPORT-CASTILLON, C, DE JONCKHEERE, J. F, ROMESTAND, B
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Brackish
DNA, Protozoan - chemistry
DNA, Ribosomal - chemistry
Freshwater
Fundamental and applied biological sciences. Psychology
Glugea americanus
Glugea anomala
Glugea atherinae
Glugea stephani
Marine
Microsporida - genetics
Phylogeny
Polymerase Chain Reaction - veterinary
Protozoa
rRNA
Spraguea lophii
Systematics. Geographical distribution. Morphology. Cytology
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Summary:The microsporidian species Glugea anomala, G. stephani, G. americanus and Spraguea lophii were compared by using sequence data derived from their small subunit rDNA genes which were amplified by polymerase chain reaction and directly sequenced. These sequence data and published data of G. atherinae were analyzed and were used to infer a phylogenetic tree. The 5 microsporidian fish parasites appeared to be closely related. The higher sequence similarities demonstrated among G. anomala, G. stephani and G. atherinae suggest that these 3 parasites are in fact only 1 species of Glugea. Moreover, the higher sequence similarities between S. lophii and G. americanus support the transfer of the latter Glugea species into the genus Spraguea.
ISSN:0177-5103
1616-1580
DOI:10.3354/dao040125