1887

Abstract

The region of biovar had originally been recognized on the basis of its ability to repress the transcription of the psi genes, one of which, , inhibits exopolysaccharide synthesis when cloned in multi-copy plasmids. Both psr and psi are located on the symbiotic plasmid pRP2JI. The gene was localized and sequenced. The deduced amino acid sequence of PsrA was shown to have similarity to the DNA-binding region of a family of other transcriptional regulators, consistent with its known effects on the expression of psi. The transcription of itself appears to be constitutive in free-living , but is regulated by another gene on the Sym plasmid pRP2JI.

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/content/journal/micro/10.1099/00221287-140-3-455
1994-03-01
2019-10-16
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-140-3-455
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