THE ACETYL SUBSTITUENT OF SUCCINOGLYCAN IS NOT NECESSARY FOR ALFALFA NODULE INVASION BY RHIZOBIUM-MELILOTI RM1021

被引:39
|
作者
REUBER, TL [1 ]
WALKER, GC [1 ]
机构
[1] MIT,DEPT BIOL,CAMBRIDGE,MA 02139
关键词
D O I
10.1128/jb.175.11.3653-3655.1993
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Rhizobium meliloti Rm1021 requires a Calcofluor-binding exopolysaccharide, termed succinoglycan or EPS I, to invade alfalfa nodules. We have determined that a strain carrying a mutation in the exoZ locus produces succinoglycan that lacks the acetyl substituent. The exoZ mutant nodulates alfalfa normally.
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页码:3653 / 3655
页数:3
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