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Vulculic acid(2-乙酰基-3,4-二羟基-5-甲氧苯基-乙酸)是从空心莲子草(Alternanthera philoxe-roides)潜在生防真菌莲子草假隔链格孢(Nimbya alternantherae)培养滤液中分离获得的致病毒素。研究表明,该毒素为非寄主专化毒素,能够引致空心莲子草叶片细胞膜透性升高,导致电解质渗漏,同时降低叶片细胞内过氧化物酶(POD)和过氧化
Vulculic acid (2-acetyl-3,4-dihydroxy-5-methoxyphenyl-acetic acid) is a potent antifungal agent Alternantherae from Alternanthera philoxe-roides, The filtrate obtained in the isolation of pathogenic toxins. Studies have shown that the toxin is a non-host specific toxin, which can lead to increased cell membrane permeability of Alternanthera philoxeroides, lead to electrolyte leakage, and reduce peroxidase (POD) and peroxidation