GMC oxidoreductase, a highly expressed protein in a potent biocontrol agent Fusarium oxysporum Cong:1-2, is dispensable for biocontrol activity

Masato Kawabe; Akiko Okabe Onokubo; Yutaka Arimoto; Takanobu Yoshida; Koji Azegami; Tohru Teraoka; Tsutomu Arie

doi:10.2323/jgam.57.207

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GMC oxidoreductase, a highly expressed protein in a potent biocontrol agent Fusarium oxysporum Cong:1-2, is dispensable for biocontrol activity

Masato Kawabe, Akiko Okabe Onokubo, Yutaka Arimoto, Takanobu Yoshida, Koji Azegami, Tohru Teraoka, Tsutomu Arie

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Keywords: biological control, cabbage, Fusarium oxysporum

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Supplementary material

2011 Volume 57 Issue 4 Pages 207-217

DOI https://doi.org/10.2323/jgam.57.207

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Abstract

A spontaneous non-pathogenic variant (Cong:1-2) derived from Fusarium oxysporum f. sp. conglutinans (Cong: 1-1), a causal agent of cabbage yellows, carries biocontrol activity for cabbage yellows. We found a GMC oxidoreductase (ODX1) among the proteins expressed much more in Cong:1-2 than Cong:1-1 by 2D-DIGE comparison. GMC oxidoreductases have been reported to be involved in biocontrol activity of several plant pathogenic fungi. The gene encoding ODX1 in Cong:1-2 was cloned, and targeted disruption of the gene in Cong:1-2 did not affect its biocontrol activity, suggesting that GMC oxidoreductase is dispensable for biocontrol activity in the fungal biocontrol agent.

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