Perrine, Francine; Gartner, Elena; Hocart, Charles; Becker, Anke; Rolfe, Barry
Isolates of Rhizobium leguminosarum bv. trifolii (the clover root-nodule endosynibiont) from the Nile River delta have been found to infect rice roots and colonize the intercellular spaces of the rice roots. Some of these isolates inhibit rice seedling growth but one in particular, R4, has been found in rice roots which develop and grow normally. We present evidence that the induced growth inhibition is due to a toxic accumulation of nitric oxide (NO), from the reduction of nitrate, and suggest...[Show more]
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