PHYLOGENETIC-RELATIONSHIPS OF BLEPHARISMA-AMERICANUM AND COLPODA-INFLATA WITHIN THE PHYLUM CILIOPHORA INFERRED FROM COMPLETE SMALL SUBUNIT RIBOSOMAL-RNA GENE-SEQUENCES

被引：90
作者：
GREENWOOD, SJ
SCHLEGEL, M
SOGIN, ML
LYNN, DH
机构：
[1] UNIV TUBINGEN, INST ZOOL, ZELLBIOL INST, W-7400 TUBINGEN 1, GERMANY
[2] MARINE BIOL LAB, CTR MOLEC EVOLUT, WOODS HOLE, MA 02543 USA
来源：
JOURNAL OF PROTOZOOLOGY | 1991年 / 38卷 / 01期
关键词：
CILIATES; COLPODID; HETEROTRICH; MOLECULAR EVOLUTION; TAXONOMY;
D O I：
10.1111/j.1550-7408.1991.tb04783.x
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
The complete small subunit rRNA gene sequences of the heterotrich Blepharisma americanum and the colpodid Colpoda inflata were determined to be 1719 and 1786 nucleotides respectively. The phylogeny produced by comparisons with other ciliates indicated that C. inflata is allied more closely with the nassophoreans and oligohymenophoreans than the spirotrichs. This is consistent with the placement of the colpodids in the Class Copodea. Blepharisma americanum was not grouped with the hypotrichs but instead was placed as the earliest branching ciliate. The distinct separation of B. americanum supports the elevation to class status given the heterotrichs based on morphological characters.
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页码：1 / 6
页数：6
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