作者
Jasmin A Gossmann, Katharina Markmann, Andreas Brachmann, Laura E Rose, Martin Parniske
发表日期
2012/10
期刊
New Phytologist
卷号
196
期号
2
页码范围
561-573
简介
- To sample the natural variation in genes controlling compatibility in the legume–rhizobium symbiosis, we isolated rhizobia from nodules of endemic Lotus species from 21 sites across Europe.
- The majority of isolates were identified as Mesorhizobium‐ or Bradyrhizobium‐related and formed nitrogen‐fixing root nodules on Lotus corniculatus and L. pendunculatus, respectively, thus confirming previously defined cross‐inoculation groups.
- Rhizobium leguminosarum (Rl) strain Norway, isolated from L. corniculatus nodules, displayed an exceptional phenotypic variation on different Lotus genotypes. On L. burttii, Rl Norway formed infected nodules, whereas tumors and elongated infected swellings were induced on L. glaber and L. japonicus ecotype Nepal, respectively. A symbiosis‐ and Nod‐factor‐responsive promoter:uidA fusion was strongly and rapidly induced in L. japonicus Gifu, but infection threads or signs …
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