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| Phenotype and pathogenicity of Focr4-1453院T-DNA insertionmutant of Fusarium oxysporum f. sp. cubense race 4 |
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| Abstract: |
| Banana fusarium-wilt disease was caused by Fusarium oxysporum f.sp. cubense and it爷t pathogenesis is
unclear. Focr4-1453 is a pathogenicity-related mutant strain and it is found from T-DNA library. We got the mutant gene
cDNA full length, then knockouted and complemented this mutant gene from wild-type strain and named them 驻Foc4-
1453 and 驻Foc4-1453-cp -1. The result showed that the biological phenotype of Focr4-1453爷驻Foc4-1453 and 驻Foc4-
1453-cp -1 changed. Their colony growth rates, spore production capacity and spore germination were lower than those of
wild-type strain. In addition, their virulence significantly reduced. |
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