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首页> 美国政府科技报告 >Regulation of extracellular polygalacturonase production in Pseudomonas solanacearum. Progress report, (May 1, 1992--April 30, 1994)
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Regulation of extracellular polygalacturonase production in Pseudomonas solanacearum. Progress report, (May 1, 1992--April 30, 1994)

机译：对青枯假单胞菌细胞外多聚半乳糖醛酸酶产生的调节。进度报告，（1992年5月1日 - 1994年4月30日）

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Pseudomonas solanacearum is an economically important plant pathogen that causes bacterial wilt disease of diverse crops. The bacterium produces at least three isozymes of polygalacturonase, which degrade plant cell walls and contribute substantially to bacterial wilt disease development. The central objective of this research project is to determine how expression of these enzymes is regulated. To this end, we isolated a positive trans-acting regulator of polygalacturonase production (pehR). We have focused on further characterization of the pehR mutant pheonotype, and studies of pehR expression. Preliminary results suggest pehR also regulates bacterial motility. An investigation of two unusual tyrosine phosphoproteins in P. solanacearum is also described.

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