Characterization of a new, nonpathogenic mutant of Botrytis cinerea with impaired plant colonization capacity

Characterization of a new, nonpathogenic mutant of Botrytis cinerea with impaired plant colonization capacity

Botrytis cinerea is a necrotrophic pathogen that attacks more than 200 plant species. Here, the nonpathogenic mutant A336, obtained via insertional mutagenesis, was characterized. Mutant A336 was nonpathogenic on leaves and fruits, on intact and wounded tissue, while still able to penetrate the host...

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Veröffentlicht in:The New phytologist. - 1979. - 170(2006), 3 vom: 15., Seite 537-50
1. Verfasser: Kunz, Caroline (VerfasserIn)
Weitere Verfasser: Vandelle, Elodie, Rolland, Stéphane, Poinssot, Benoit, Bruel, Christophe, Cimerman, Agnès, Zotti, Corine, Moreau, Elisabeth, Vedel, Régine, Pugin, Alain, Boccara, Martine
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Enzymes Fungal Proteins Reactive Oxygen Species Oxalic Acid 9E7R5L6H31
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245 1 0 |a Characterization of a new, nonpathogenic mutant of Botrytis cinerea with impaired plant colonization capacity 
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500 |a Date Revised 09.04.2022 
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520 |a Botrytis cinerea is a necrotrophic pathogen that attacks more than 200 plant species. Here, the nonpathogenic mutant A336, obtained via insertional mutagenesis, was characterized. Mutant A336 was nonpathogenic on leaves and fruits, on intact and wounded tissue, while still able to penetrate the host plant. It grew normally in vitro on rich media but its conidiation pattern was altered. The mutant did not produce oxalic acid and exhibited a modified regulation of the production of some secreted proteins (acid protease 1 and endopolygalacturonase 1). Culture filtrates of the mutant triggered an important oxidative burst in grapevine (Vitis vinifera) suspension cells, and the mutant-plant interaction resulted in the formation of hypersensitive response-like necrosis. Genetic segregation analyses revealed that the pathogenicity phenotype was linked to a single locus, but showed that the mutated gene was not tagged by the plasmid pAN7-1. Mutant A336 is the first oxalate-deficient mutant to be described in B. cinerea and it differs from all the nonpathogenic B. cinerea mutants described to date 
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700 1 |a Vandelle, Elodie  |e verfasserin  |4 aut 
700 1 |a Rolland, Stéphane  |e verfasserin  |4 aut 
700 1 |a Poinssot, Benoit  |e verfasserin  |4 aut 
700 1 |a Bruel, Christophe  |e verfasserin  |4 aut 
700 1 |a Cimerman, Agnès  |e verfasserin  |4 aut 
700 1 |a Zotti, Corine  |e verfasserin  |4 aut 
700 1 |a Moreau, Elisabeth  |e verfasserin  |4 aut 
700 1 |a Vedel, Régine  |e verfasserin  |4 aut 
700 1 |a Pugin, Alain  |e verfasserin  |4 aut 
700 1 |a Boccara, Martine  |e verfasserin  |4 aut 
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