Article
The effect of FITA mutations on the symbiotic properties of Sinorhizobium fredii varies in a chromosomal-background-dependent manner.
Archives of microbiology - 1 Feb 2004
Vinardell José María, López-Baena Francisco Javier, Hidalgo Angeles, Ollero Francisco Javier, Bellogín Ramón, del Rosario Espuny María, Temprano Francisco, Romero Francisco, Krishnan Hari B, Pueppke Steven G, Ruiz-Sainz José Enrique
Abstract excerpt
nodD1 of Sinorhizobium fredii HH103, which is identical to that of S. fredii USDA257 and USDA191, repressed its own expression. Spontaneous flavonoid-independent transcription activation (FITA) mutants of S. fredii HH103 M (=HH103 RifR pSym::Tn 5-Mob) showing constitutive expression of nod genes were isolated. No differences were found among soybean cultivar Williams plants inoculated with FITA mutants SVQ250 or...
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