منابع مشابه
Identification of rhizobial strains nodulating Egyptian grain legumes.
Fifty four bacterial strains were isolated from root nodules of the grain legumes Cicer arietinum, Lens esculentus, Phaseolus vulgaris, Pisum sativum, and Vicia faba grown in cultivated lands of Beni-Suef Governorate (Egypt). Repetitive extragenic palindromic (REP)-polymerase chain reaction (PCR) clustered the strains into 15 REP-PCR groups. The nearly complete sequence of the 16S rRNA gene fro...
متن کاملBacterial‐induced calcium oscillations are common to nitrogen‐fixing associations of nodulating legumes and non‐legumes
Plants that form root-nodule symbioses are within a monophyletic 'nitrogen-fixing' clade and associated signalling processes are shared with the arbuscular mycorrhizal symbiosis. Central to symbiotic signalling are nuclear-associated oscillations in calcium ions (Ca(2+) ), occurring in the root hairs of several legume species in response to the rhizobial Nod factor signal. In this study we expa...
متن کاملPhylogeny and Phylogeography of Rhizobial Symbionts Nodulating Legumes of the Tribe Genisteae
The legume tribe Genisteae comprises 618, predominantly temperate species, showing an amphi-Atlantic distribution that was caused by several long-distance dispersal events. Seven out of the 16 authenticated rhizobial genera can nodulate particular Genisteae species. Bradyrhizobium predominates among rhizobia nodulating Genisteae legumes. Bradyrhizobium strains that infect Genisteae species belo...
متن کاملAccumulation of ENOD2-like transcripts in non-nodulating woody papilionoid legumes.
Japanese pagodatree (Styphnolobium japonicum [L.] Schott) and American yellowwood (Cladrastis kentukea Dum.-Cours.) Rudd are the first woody, non-nodulating papilionoid legumes shown to possess putative early nodulin 2 (ENOD2) genes. ENOD2 cDNAs from Japanese pagodatree (807 bp) and American yellowwood (735 bp) have 75% to 79% sequence identity to ENOD2 sequences and encode deduced proteins tha...
متن کاملTonB-dependent receptors in nitrogen-fixing nodulating bacteria.
TonB-dependent receptors (TBDRs) allow Gram-negative bacteria to uptake scarce resources from competitive environments with very high affinity. Early reports on TBDRs focused on the uptake of siderophore-iron complexes but recent studies have showed that the spectrum of ligands includes sugars, vitamins, heme, and other non-ferrous cations. To investigate the possible roles of TBDRs in nitrogen...
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ژورنال
عنوان ژورنال: Microbiology Insights
سال: 2009
ISSN: 1178-6361,1178-6361
DOI: 10.4137/mbi.s3137