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Extracellular Polysaccharides of Rhizobium [PDF]
SUMMARY: The extracellular polysaccharides of seventeen strains (four species) of Rhizobium were studied chromatographically. The seven strains from lucerne (R. meliloti) produced polysaccharides which contained glucose but consistently lacked glucuronic acid. The remaining ten strains, which were isolated from pea (R.
B. A. HUMPHREY, J. M. Vincent
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Cytochromes of Rhizobium [PDF]
LEGHAEMOGLOBIN, the red pigment associated with the bacteroid form of Rhizobium in effective legume root nodules, appears to be closely linked with the nitrogen fixation process1, but its connexion with Rhizobium respiration is disputed2,3. We are endeavouring to clarify the latter problem by a comparative study of respiratory pigments in several free ...
Cyril A. Appleby, F. J. Bergersen
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Pectolytic enzymes in Rhizobium [PDF]
A sensitive pectin agar plate assay was used to demonstrate low levels of pectolytic enzymes in infective and noninfective strains of Rhizobium. The possible relation of this characteristic to legume infection is discussed.
D. H. Hubbell+2 more
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The Type VI Secretion System of Sinorhizobium fredii USDA257 Is Required for Successful Nodulation With Glycine max cv Pekin. [PDF]
The symbiotic relationship between rhizobia and legumes is critical for sustainable agriculture and has important economic and environmental implications.
Reyes-Pérez PJ+8 more
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For over a century, the scientific community has had a comprehensive understanding of how rhizobia can promote the growth of legumes by forming nitrogen fixing nodules.
Sara Fahde+3 more
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Plant growth regulators and Rhizobium are actively involved in the regulation of flowering, pod formation, nodulation, and ultimately the growth and yield of legumes.
M. Rafique+8 more
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The ubiquitous second messenger c-di-GMP is well-known for its role in biofilm formation and host adaptation of pathogens, whereas it is less investigated in mutualistic symbioses. Here, we reveal a cocktail of eight functional diguanylate cyclases (DGCs)
Meng-Lin Li+5 more
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Transfer of Rhizobium loti, Rhizobium huakuii, Rhizobium ciceri, Rhizobium mediterraneum, and Rhizobium tianshanense to Mesorhizobium gen. nov. [PDF]
Reasons are advanced for removal of Rhizobium ciceri, Rhizobium huakuii, Rhizobium loti, Rhizobium mediterraneum, and Rhizobium tianshanense from the genus Rhizobium and for establishment of Mesorhizobium gen. nov. for these species. A description of the genus Mesorhizobium and amended descriptions of Mesorhizobium ciceri, Mesorhizobium huakuii ...
Jarvis, B.D.W.+6 more
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Greenhouse and multi-location experiments were conducted for two consecutive years to investigate the effects of rhizobium on nodulation, biomass production and partitioning of faba bean.
B. B. Allito+3 more
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Modulation of Symbiotic Compatibility by Rhizobial Zinc Starvation Machinery
Pathogenic bacteria need high-affinity zinc uptake systems to counteract the nutritional immunity exerted by infected hosts. However, our understanding of zinc homeostasis in mutualistic systems such as the rhizobium-legume symbiosis is limited. Here, we
Pan Zhang+5 more
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