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. 1991 May;173(10):3235-7.
doi: 10.1128/jb.173.10.3235-3237.1991.

lpsZ, a lipopolysaccharide gene involved in symbiosis of Rhizobium meliloti

P M Brzoska  1 , E R Signer
Affiliations

lpsZ, a lipopolysaccharide gene involved in symbiosis of Rhizobium meliloti

P M Brzoska et al. J Bacteriol. 1991 May.

Abstract

lpsZ+ is an allele that allows exo (exopolysaccharide-deficient) mutants of Rhizobium meliloti to invade nodules by modifying rhizobial lipopolysaccharide. We have cloned and sequenced the lpsZ gene. The predicted LpsZ protein has a molecular weight of 48,589 and is probably localized in the cytoplasm. A beta-glucuronidase fusion in the lpsZ gene indicates that lpsZ is not regulated by oxygen or nitrogen.

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