Boty-II, a novel LTR retrotransposon in Botrytis cinerea B05.10 revealed by genomic sequence

Hong, Tzung-Pei; Zhao, Ming; Zhou, Jin Yan; Li, Zhi Dong; Song, Weihua; Tan, You Jiu

doi:10.2225/vol12-issue3-fulltext-5

Electro Journal of Biotech

2009

DOI: 10.2225/vol12-issue3-fulltext-5

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Boty-II, a novel LTR retrotransposon in Botrytis cinerea B05.10 revealed by genomic sequence

Tzung-Pei Hong¹,

Ming Zhao²,

Jin Yan Zhou³

et al.

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2011

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Two Promoter Rearrangements in a Drug Efflux Transporter Gene Are Responsible for the Appearance and Spread of Multidrug Resistance Phenotype MDR2 inBotrytis cinereaIsolates in French and German Vineyards

Mernke¹,

Dahm²,

Walker³

et al. 2011

Phytopathology®

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In French and German vineyards, Botrytis cinerea isolates with multiple fungicide resistance phenotypes have been observed with increasing frequencies. Multidrug resistance (MDR) results from mutations that lead to constitutive overexpression of genes encoding drug efflux transporters. In MDR2 and MDR3 strains, overexpression of the major facilitator superfamily transporter gene mfsM2 has been found to result from a rearrangement in the mfsM2 promoter (type A), caused by insertion of a retroelement (RE)-derived sequence. Here, we report the discovery of another, similar RE-induced rearrangement of the mfsM2 promoter (type B) in a subpopulation of French MDR2 isolates. MDR2 isolates harboring either type A or type B mutations in mfsM2 show the same resistance phenotypes and similar levels of mfsM2 overexpression. RE sequences similar to those in mfsM2 were found in low copy numbers in other but not all B. cinerea strains analyzed, including non-MDR2 strains. Population genetic analyses support the hypothesis that the two rearrangement mutations have only occurred once, and are responsible for the appearance and subsequent spread of all known MDR2 and MDR3 strains in French and German wine-growing regions.

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Two Promoter Rearrangements in a Drug Efflux Transporter Gene Are Responsible for the Appearance and Spread of Multidrug Resistance Phenotype MDR2 inBotrytis cinereaIsolates in French and German Vineyards

Mernke¹,

Dahm²,

Walker³

et al. 2011

Phytopathology®

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show abstract

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Boty-II, a novel LTR retrotransposon in Botrytis cinerea B05.10 revealed by genomic sequence

Cited by 1 publication

References 13 publications

Two Promoter Rearrangements in a Drug Efflux Transporter Gene Are Responsible for the Appearance and Spread of Multidrug Resistance Phenotype MDR2 inBotrytis cinereaIsolates in French and German Vineyards

Two Promoter Rearrangements in a Drug Efflux Transporter Gene Are Responsible for the Appearance and Spread of Multidrug Resistance Phenotype MDR2 inBotrytis cinereaIsolates in French and German Vineyards

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