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Presence of rhizobia in soils in Somalia
World Journal of Microbiology & Biotechnology, 1995Bradyrhizobium japonicum was absent and only low numbers of Rhizobium were present in nodulating forage legumes in 13 soil samples from the Jubba and Shabelle rivers of Somalia.
M, Ciani, F U, Diriye
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Biosynthesis of Polyhydroxyalkanoates and their Regulation in Rhizobia
2001During free living reproductive growth Rhizobium spp. is capable to accumulate poly-s-hydroxybutyrate (PHB) and to synthesize intracellular glycogen. These bacteria can also produce and excrete exopolysaccharides and s-1,2-glucan. Rhizobia provide an excellent model to investigate the connection between cellular metabolism and polyester accumulation ...
POVOLO, SILVANA, CASELLA, SERGIO
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Canadian Journal of Microbiology, 1992
Extensive cross testing on a relatively few legume hosts led initially to a taxonomic characterization of rhizobia based on bacteria–plant cross–inoculation groups. This has gradually become less acceptable, and has been replaced by taxonomic groupings derived from numerical taxonomy, carbohydrate metabolism, antibiotic susceptiblities, serology, and ...
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Extensive cross testing on a relatively few legume hosts led initially to a taxonomic characterization of rhizobia based on bacteria–plant cross–inoculation groups. This has gradually become less acceptable, and has been replaced by taxonomic groupings derived from numerical taxonomy, carbohydrate metabolism, antibiotic susceptiblities, serology, and ...
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2001
Abstract Most of the legumes have the ability to establish a dinitrogen-fixing association with bacteria defined as rhizobia. The legume crops will benefit from this symbiosis only when the plant roots encounter, during their development, compatible and efficient rhizobia that can induce the formation of fully effective nodules.
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Abstract Most of the legumes have the ability to establish a dinitrogen-fixing association with bacteria defined as rhizobia. The legume crops will benefit from this symbiosis only when the plant roots encounter, during their development, compatible and efficient rhizobia that can induce the formation of fully effective nodules.
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Rhizobia and Legume Nodulation Genes
2013Most legume plants are able to enter into a symbiotic relationship with nitrogen-fixing soil bacteria commonly referred to as rhizobia. This interaction leads to the formation of novel root organs called nodules in which the rhizobia are housed. The symbiosis provides the legume host with a tremendous competitive advantage over other plant species that
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Growth of Rhizobia in Protein Hydrolysates
Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite Naturwissenschaftliche Abteilung: Mikrobiologie der Landwirtschaft, der Technologie und des Umweltschutzes, 1980Sixteen nitrogen-rich agricultural and industrial wastes and by-products, such as vegetable waste, lasora (Cordia myxa L.), meat waste, water-hyacinth (Eichhornia crassipes), and pea (Pisum sativum L.) husks were partially hydrolysed to amino acids with the help of acetic acid of 1, 5, 10, 15, and 20% concentration.
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Plasmid transfer systems in the rhizobia
Canadian Journal of Microbiology, 2009Rhizobia are agriculturally important bacteria that can form nitrogen-fixing nodules on the roots of leguminous plants. Agricultural application of rhizobial inoculants can play an important role in increasing leguminous crop yields. In temperate rhizobia, genes involved in nodulation and nitrogen fixation are usually located on one or more large ...
Hao, Ding, Michael F, Hynes
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Vertical Movement of Rhizobia in Soil
Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite Naturwissenschaftliche Abteilung: Allgemeine, Landwirtschaftliche und Technische Mikrobiologie, 1974Summary The vertical migration of Rhizobium trifolii cells, due to the leaking-through of water, was examined in a model experiment. The cell migration increased with the soil particle sizes and with the amount of water used. As reported earlier ( Hamdi 1971), the data on the movement of rhizobia in soil are very limited. Few papers have dealt with
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METABOLISM OF RHIZOBIA IN RELATION TO EFFECTIVENESS
Canadian Journal of Microbiology, 1957The ability of effective and ineffective strains of rhizobia to degrade 6-phosphogluconate directly to pyruvate and the metabolic activity of these strains in relation to the glycolytic, and hexose monophosphate oxidative pathways of carbohydrate break down were studied.
H, KATZNELSON, A C, ZAGALLO
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Symbiosis for rhizobia is not an easy ride
Nature MicrobiologyPhilip Poole narrates his career story and his motivations for studying rhizobia, the agriculturally important bacterial plant symbiont responsible for fixing nitrogen.
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