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From:Canadian Journal of Microbiology (Vol. 55, Issue 10) Peer-ReviewedMegaplasmid pSymB of the nitrogen-fixing symbiont Sinorhizobium meliloti, implicated in adaptation to hyperosmotic stress, contains 11 gene clusters that apparently encode surface polysaccharides. However, only 2 of...
From:Canadian Journal of Microbiology (Vol. 56, Issue 1) Peer-ReviewedThe Ca[Cl.sub.2] method, commonly used for transformation of Escherichia coli, was modified and used to develop a simpler and easier transformation method for Rhizobia sp. Two species of Rhizobia, Sinorhizobium meliloti...
From:Science (Vol. 293, Issue 5530) Peer-ReviewedThe scarcity of usable nitrogen frequently limits plant growth. A tight metabolic association with rhizobial bacteria allows legumes to obtain nitrogen compounds by bacterial reduction of dinitrogen ([N.sub.2]) to...
From:Science (Vol. 287, Issue 5462) Peer-ReviewedBrucella abortus, a mammalian pathogen, and Rhizobium meliloti, a phylogenetically related plant symbiont, establish chronic infections in their respective hosts. Here a highly conserved B. abortus homolog of the R....
From:Science (Vol. 256, Issue 5059) Peer-ReviewedAlthough much is known about the bacterial genetics of early nodulation, little is known about the plant cell response. Alfalfa root hair cells were impaled with intracellular microelectrodes to measure a membrane...
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