The acetyl substituent of succinoglycan is not necessary for alfalfa nodule invasion by Rhizobium meliloti Rm1021

Rhizobium meliloti Rm1021 requires a Calcofluor-binding exopolysaccharide, termed succinoglycan or EPS I, to invade alfalfa nodules. We have determined that a strain carrying a mutation in the exoZ locus produces succinoglycan that lacks the acetyl substituent. The exoZ mutant nodulates alfalfa norm...

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Veröffentlicht in:	Journal of Bacteriology 1993-06, Vol.175 (11), p.3653-3655
Hauptverfasser:	Reuber, T.L, Walker, G.C
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetylation Bacterial Proteins - genetics Bacteriology Biological and medical sciences FORMATION DE NODOSITES Fundamental and applied biological sciences. Psychology Genetics Grasses LOCI LOCUS MEDICAGO SATIVA Medicago sativa - microbiology Microbiology MUTACION MUTANT MUTANTES MUTATION NODULACION Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains POLISACARIDOS POLYHOLOSIDE Polysaccharides, Bacterial - chemistry RHIZOBIUM MELILOTI Sinorhizobium meliloti - chemistry Sinorhizobium meliloti - pathogenicity Symbiosis - physiology Virulence
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Beschreibung
Zusammenfassung:	Rhizobium meliloti Rm1021 requires a Calcofluor-binding exopolysaccharide, termed succinoglycan or EPS I, to invade alfalfa nodules. We have determined that a strain carrying a mutation in the exoZ locus produces succinoglycan that lacks the acetyl substituent. The exoZ mutant nodulates alfalfa normally
ISSN:	0021-9193 1098-5530 1067-8832
DOI:	10.1128/jb.175.11.3653-3655.1993