1887

Abstract

Six genes involved in cellulose synthesis in bv. were identified using Tn5 mutagenesis. Four of them displayed homology to the previously cloned and sequenced cellulose genes and These genes are organized similarly in bv. In addition, there were strong indications that two tandemly located genes, and probably organized as one operon, are involved in the regulation of cellulose synthesis. The deduced amino acid sequences of these genes displayed a high degree of similarity to the DivK and PleD proteins that belong to the family of two-component response regulators. This is to our knowledge the first report of genes involved in the regulation of cellulose synthesis. Results from attachment assays and electron microscopic studies indicated that cellulose synthesis in bv. is induced upon close contact with plant roots during the attachment process.

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/content/journal/micro/10.1099/13500872-145-5-1253
1999-05-01
2019-10-17
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