نتایج جستجو برای: fixing nodules
تعداد نتایج: 33263 فیلتر نتایج به سال:
Recently Phelps and Wilson (1) reported the occurrence of hydrogenase, the enzyme which activates molecular hydrogen, in nitrogen-fixing bacteria. Because HZ specifically inhibits nitrogen fixation by red clover plants inoculated with Rhizobium trijolii as well as by Azotobacter (2,3), possession of hydrogenase by these organisms may be more than merely fortuitous. The possibility must be consi...
The genus Ensifer (formerly Sinorhizobium) contains many species able to form nitrogen-fixing nodules on plants of the legume family. Here, we report the 6.1-Mb draft genome sequence of Ensifer sp. strain LCM 4579, with a G+C content of 62.4% and 5,613 candidate protein-encoding genes.
Bradyrhizobium japonicum, a symbiotic nitrogen-fixing bacterium for Glycine max, has complex respiratory electron transport chains. Bll4880 contained a copper-binding motif for metallochaperone, H(M)X(10)MX(21)HXM. A mutant strain, Bj4880, induced nodules with lower acetylene reduction activity. A double mutant, Bj4880-1131, which had inserted mutations both in blr1131, a gene of the Sco1-like ...
Host compatible rhizobia induce the formation of legume root nodules, symbiotic organs within which intracellular bacteria are present in plant-derived membrane compartments termed symbiosomes. In Medicago truncatula nodules, the Sinorhizobium microsymbionts undergo an irreversible differentiation process leading to the development of elongated polyploid noncultivable nitrogen fixing bacteroids...
The genus Rhizobium contains many species that are able to form nitrogen-fixing nodules on plants of the legume family. Here, we report the 5.5-Mb draft genome sequence of the salt-tolerant Rhizobium sp. strain LCM 4573, which has a G+C content of 61.2% and 5,356 candidate protein-encoding genes.
The threatened caesalpinioid legume Dimorphandra wilsonii, which is native to the Cerrado biome in Brazil, was examined for its nodulation and N(2)-fixing ability, and was compared with another, less-threatened species, D. jorgei. Nodulation and potential N(2) fixation was shown on seedlings that had been inoculated singly with five bradyrhizobial isolates from mature D. wilsonii nodules. The i...
Legumes associate with rhizobia to form nitrogen (N2)-fixing nodules, which is important for plant fitness [1, 2]. Medicago truncatula controls the terminal differentiation of Sinorhizobium meliloti into N2-fixing bacteroids by producing defensin-like nodule-specific cysteine-rich peptides (NCRs) [3, 4]. The redox state of NCRs influences some biological activities in free-living bacteria, but ...
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