Phylogeny of the haplosporidia (Eukaryota: Alveolata) based on small subunit ribosomal RNA gene sequence

被引:29
作者
Flores, BS
Siddall, ME
Burreson, EM
机构
[1] School of Marine Science, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA 23062
关键词
D O I
10.2307/3283787
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
The phylogenetic position of the phylum Haplosporidia was investigated with the complete small subunit rRNA gene sequences from 5 species in the phylum: Haplosporidium nelsoni and Haplosporidium costale, parasites of the eastern oyster Crassostrea virginica; Haplosporidium louisiana, a parasite of the mudcrab Panopeus herbstii; Minchinia teredinis, a parasite of shipworms (Teredo spp.) and Urosporidium crescens, a hyperparasite found in metacercariae of the trematode Megalophallus sp. in the blue crab, Callinectes sapidus. Multiple alignments of small subunit rRNA gene sequences included the 5 haplosporidian taxa and 14 taxa in the alveolate phyla Ciliophora, Dinoflagellida, and Apicomplexa. Maximum parsimony analysis placed the phylum Haplosporidia as a monophyletic group within the alveolate clade, as a taxon of equal rank with the other 3 alveolate phyla, and as a sister taxon to the clade composed of the phyla Dinoflagellida and Apicomplexa. Transversionally weighted parsimony placed the haplosporidians as a sister taxon to the ciliates. A separate analysis focused on the relationships of species in the genus Haplosporidium. Analyses were conducted with the haplosporidians as a functional ingroup, using each of the alveolate phyla individually as functional outgroups. The results indicated that species in the genus Haplosporidium do not form a monophyletic assemblage. As such, the present morphological criteria for distinguishing the genera Haplosporidium and Minchinia are insufficient.
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页码:616 / 623
页数:8
相关论文
共 37 条
[1]  
[Anonymous], [No title captured]
[3]  
BARTA JR, 1991, MOL BIOL EVOL, V8, P345
[4]  
CAULLERY M, 1899, CR HEBD ACAD SCI, V51, P789
[5]   KINGDOM PROTOZOA AND ITS 18 PHYLA [J].
CAVALIERSMITH, T .
MICROBIOLOGICAL REVIEWS, 1993, 57 (04) :953-994
[6]  
CORLISS JO, 1994, ACTA PROTOZOOL, V33, P1
[7]  
Desportes I., 1990, P30
[8]  
DESPORTES I, 1983, PROTISTOLOGICA, V19, P435
[9]   Parsimony jackknifing outperforms neighbor-joining [J].
Farris, JS ;
Albert, VA ;
Kallersjo, M ;
Lipscomb, D ;
Kluge, AG .
CLADISTICS, 1996, 12 (02) :99-124
[10]  
FELSENSTEIN J, 1985, EVOLUTION, V39, P783, DOI 10.1111/j.1558-5646.1985.tb00420.x