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Abstract
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Cutinase is not required for fungal pathogenicity on pea.

D J Stahl, W Schäfer
D J Stahl
Institut für Genbiologische Forschung Berlin GmbH, Germany.
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W Schäfer
Institut für Genbiologische Forschung Berlin GmbH, Germany.
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Published June 1992. DOI: https://doi.org/10.1105/tpc.4.6.621

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  • Copyright © 1992 by American Society of Plant Biologists

Abstract

Cutinase, a fungal extracellular esterase, has been proposed to be crucial in the early events of plant infection by many pathogenic fungi. To test the long-standing hypothesis that cutinase of Nectria haematococca (Fusarium solani f sp pisi) is essential to pathogenicity, we constructed cutinase-deficient mutants by transformation-mediated gene disruption of the single cutinase gene of a highly virulent N. haematococca strain. Four independent mutants were obtained lacking a functional cutinase gene, as confirmed by gel blot analyses and enzyme assays. Bioassays of the cutinase-deficient strains showed no difference in pathogenicity and virulence on pea compared to the wild type and a control transformant. We conclude that the cutinase of N. haematococca is not essential for the infection of pea.

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Cutinase is not required for fungal pathogenicity on pea.
D J Stahl, W Schäfer
The Plant Cell Jun 1992, 4 (6) 621-629; DOI: 10.1105/tpc.4.6.621

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Cutinase is not required for fungal pathogenicity on pea.
D J Stahl, W Schäfer
The Plant Cell Jun 1992, 4 (6) 621-629; DOI: 10.1105/tpc.4.6.621
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The Plant Cell
Vol. 4, Issue 6
Jun 1992
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