REMARKABLE N-2-FIXING BACTERIAL DIVERSITY DETECTED IN RICE ROOTS BY MOLECULAR EVOLUTIONARY ANALYSIS OF NIFH GENE-SEQUENCES

被引:299
作者
UEDA, T
SUGA, Y
YAHIRO, N
MATSUGUCHI, T
机构
[1] Soil Microbiology/Biochemistry Lab., Department of Agricultural Chemistry, Kyushu University, Fukuoka 812
关键词
D O I
10.1128/jb.177.5.1414-1417.1995
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
To demonstrate the extent of phylogenetic diversity of diazotrophic bacteria associated with rice roots, we characterized phylogenetically 23 nifH gene sequences obtained by PCR amplification of mixed organism DNA extracted directly from rice roots without culturing the organisms. The analyses document the presence of eight novel NifH types, which appear to be a variety of significant components of the diazotrophic community, dominated mainly by proteobacteria.
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页码:1414 / 1417
页数:4
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