GENETIC-MAPPING OF SYMBIOTIC LOCI ON THE RHIZOBIUM-MELILOTI CHROMOSOME

被引：13
|
作者：
GLAZEBROOK, J
MEIRI, G
WALKER, GC
机构：
[1] Department of Biology, Massachusetts Institute of Technology, Cambridge
来源：
MOLECULAR PLANT-MICROBE INTERACTIONS | 1992年 / 5卷 / 03期
关键词：
D O I：
10.1094/MPMI-5-223
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
To facilitate genetic analyses of Rhizobium meliloti genes that are involved in symbiosis, we determined the map positions of 11 symbiotic loci on the R. meliloti chromosome by using a combination of the Tn5-Mob conjugational transfer method described by Klein et al (S. Klein, K. Lohmann, G. C. Walker, and E. R. Signer. J. Bacteriol. 174:324-326, 1992) and co-transduction of genetic markers by bacteriophage-PHI-M12. Loci involved in effective nodule formation (fix-379, fix-382, fix-383, fix-385, and fix-388), polysaccharide synthesis (exoR, exoS, exoC, and ndvB), nodule invasion (exoD), and nitrogen regulation (ntrA) were ordered with respect to previously mapped markers and each other. The positions of two other loci, degP and pho-1, were also determined.
引用
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页码：223 / 227
页数：5
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