Literature DB >> 8763965

Promoter analysis of the Xanthomonas campestris pv. campestris gum operon directing biosynthesis of the xanthan polysaccharide.

F Katzen1, A Becker, A Zorreguieta, A Pühler, L Ielpi.   

Abstract

The Xanthomonas campestris gum gene cluster is composed of 12 genes designated gumB, -C, -D, -E, -F, -G, -H, -I, -J, -K, -L, and -M. The transcriptional organization of this gene cluster was analyzed by the construction of gum-lacZ transcriptional fusions in association with plasmid integration mutagenesis. This analysis, coupled with primer extension assays, indicated that the gum region was mainly expressed as an operon from a promoter located upstream of the first gene, gumB.

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Year:  1996        PMID： 8763965      PMCID： PMC178194          DOI： 10.1128/jb.178.14.4313-4318.1996

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  35 in total

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5.  Maintenance procedures for the curtailment of genetic instability: Xanthomonas campestris NRRL B-1459.

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6.  Genetic and physical analyses of a cluster of genes essential for xanthan gum biosynthesis in Xanthomonas campestris.

Authors:  N E Harding; J M Cleary; D K Cabañas; I G Rosen; K S Kang
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Authors:  O M Aguilar; D Kapp; A Pühler
Journal:  J Bacteriol       Date:  1985-10       Impact factor: 3.490

9.  High frequency mobilization of gram-negative bacterial replicons by the in vitro constructed Tn5-Mob transposon.

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10.  A Tn3 lacZ transposon for the random generation of beta-galactosidase gene fusions: application to the analysis of gene expression in Agrobacterium.

Authors:  S E Stachel; G An; C Flores; E W Nester
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  16 in total

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Authors:  F Katzen; A Becker; M V Ielmini; C G Oddo; L Ielpi
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7.  Unusual structure of the tonB-exb DNA region of Xanthomonas campestris pv. campestris: tonB, exbB, and exbD1 are essential for ferric iron uptake, but exbD2 is not.

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8.  Xanthomonas campestris pv. campestris gum mutants: effects on xanthan biosynthesis and plant virulence.

Authors:  F Katzen; D U Ferreiro; C G Oddo; M V Ielmini; A Becker; A Pühler; L Ielpi
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9.  Genome sequence of Xanthomonas campestris JX, an industrially productive strain for Xanthan gum.

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