PHYLOGENETIC-RELATIONSHIPS OF CRYPTOSPORIDIUM DETERMINED BY RIBOSOMAL-RNA SEQUENCE COMPARISON

被引：45
|
作者：
JOHNSON, AM
FIELKE, R
LUMB, R
BAVERSTOCK, PR
机构：
[1] INST MED & VET SCI,DIV CLIN MICROBIOL,ADELAIDE,SA 5000,AUSTRALIA
[2] S AUSTRALIAN MUSEUM,EVOLUT BIOL UNIT,ADELAIDE,SA 5000,AUSTRALIA
来源：
INTERNATIONAL JOURNAL FOR PARASITOLOGY | 1990年 / 20卷 / 02期
关键词：
Apicomplexa; Cryptosporidium; nucleotide sequence; phylogeny; ribosomal RNA;
D O I：
10.1016/0020-7519(90)90093-3
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：
Reverse transcription of total cellular RNA was used to obtain a partial sequence of the small subunit ribosomal RNA of Cryptosporidium, a protist currently placed in the phylum Apicomplexa. The semi-conserved regions were aligned with homologous sequences in a range of other eukaryotes, and the evolutionary relationships of Cryptosporidium were determined by two different methods of phylogenetic analysis. The prokaryotes Escherichia coli and Halobacterium cuti were included as outgroups. The results do not show an especially close relationship of Cryptosporidium to other members of the phylum Apicomplexa. © 1990.
引用
收藏
页码：141 / 147
页数：7
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