PHYLOGENETIC-RELATIONSHIPS AMONG SPECIES OF WILLIOPSIS AND SATURNOSPORA GEN-NOV AS DETERMINED FROM PARTIAL RIBOSOMAL-RNA SEQUENCES

被引：39
|
作者：
LIU, ZW [1 ]
KURTZMAN, CP [1 ]
机构：
[1] CAAS,INST SOILS & FERTILIZERS,AGR CULTURE COLLECT CHINA,BEIJING 100081,PEOPLES R CHINA
来源：
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY | 1991年 / 60卷 / 01期
关键词：
PHYLOGENY; RIBOSOMAL RNA SEQUENCES; SATURNOSPORA; WILLIOPSIS;
D O I：
10.1007/BF00580437
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Phylogenetic relationships among those yeast species that form saturn-shaped ascospores and which are assigned to the genera Williopsis and Pichia were estimated from their extent of nucleotide sequence divergence in three regions of ribosomal RNA. The Pichia species (P. dispora, P. saitoi, P. zaruensis and P. sp. nov.) are a closely clustered group only distantly related to Williopsis, and it is proposed that they be reassigned to Saturnospora gen. nov. The extent of divergence among Williopsis species (W. californica, W. mucosa, W. pratensis, W. saturnus and W. sp. nov.) is greater than that previously observed within other ascomycetous yeast genera.
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页码：21 / 30
页数：10
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