نتایج جستجو برای: bradyrhizobium japonicum
تعداد نتایج: 4229 فیلتر نتایج به سال:
The effects of root exudate (RE) treatment on nodule occupancy by Bradyrhizobium japonicum were investigated by a rapid colored-nodule assay, which is based on the observation that B. japonicum L-110 and its antibiotically marked derivatives form dark-red nodules on certain soybean (Glycine max) cultivars, whereas other strains form beige nodules. The efficacy of the assay was confirmed by dire...
Immunodiffusion reactions were studied with seven strains of Rhizobium japonicum and three strains of the cowpea miscellany by using antisera against eight of the strains. Most strains yielded only weak precipitin bands when untreated cell suspensions were used as antigens in the diffusions. Ultrasonic disruption or heat treatment of the cells led to stronger bands, and immersion in boiling wat...
In addition to forming symbiotic nodules on legumes, rhizobial strains are members of soil or rhizosphere communities or occur as endophytes, e.g., in rice. Two rhizobial strains which have been isolated from root nodules of the aquatic legumes Aeschynomene fluminensis (IRBG271) and Sesbania aculeata (IRBG74) were previously found to promote rice growth. In addition to analyzing their phylogene...
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