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首页> 美国卫生研究院文献>Applied and Environmental Microbiology >Duckling toxicity and the production of fumonisin and moniliformin by isolates in the A and E mating populations of Gibberella fujikuroi (Fusarium moniliforme).
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Duckling toxicity and the production of fumonisin and moniliformin by isolates in the A and E mating populations of Gibberella fujikuroi (Fusarium moniliforme).

机译：在富士赤霉菌A和E交配群体中分离株的雏鸭毒性和伏马菌素和莫尼莫西菌素的生产。

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摘要

Two biological species of Gibberella fujikuroi (A and F mating populations) share the Fusarium moniliforme anamorph. Twenty strains of each of these biological species were tested for the ability to produce fumonisins B1, B2, and B3 and moniliformin and for toxicity to 1-day-old ducklings. Most of the members of the A mating population (19 of 20 strains) produced more than 60 micrograms of total fumonisins per g, whereas only 3 of 20 members of the F mating population produced more than trace levels of these toxins and none produced more than 40 micrograms of total fumonisins per g. In addition, only 3 of 20 members of the A mating population produced more than 1 microgram of moniliformin per g (and none produced more than 175 micrograms/g), while all 20 strains of the F mating population produced more than 85 micrograms of this toxin per g and 1 strain produced 10,345 micrograms/g. The duckling toxicity profiles of the strains of the two mating populations were similar, however, and the level of either toxin by itself was not strongly correlated with duckling toxicity. On the basis of our data we think that it is likely that the members of both of these mating populations produce additional toxins that have yet to be chemically identified. These toxins may act singly or synergistically with other compounds to induce the observed duckling toxicity.
机译：富士赤霉菌的两个生物物种（A和F交配种群）共享镰刀菌（Fusarium moniliforme anamorph）。测试了每种生物物种的20个菌株产生伏马菌素B1，B2和B3和莫尼西菌素的能力以及对1日龄小鸭的毒性。 A交配群体的大多数成员（20个菌株中的19个）每克产生超过60微克的伏马菌素总量，而F交配群体中的20个成员中只有3个产生的毒素水平超过痕量，没有一个产生更多的毒素。每克40毫克总伏马毒素。此外，A交配群体中只有20个成员中的3个每克产生大于1微克的莫尼西莫星（每克产生的莫尼利福星均不超过175微克/克），而F交配群体中的所有20个菌株均产生了超过85微克每克毒素和1个菌株产生的毒素为10,345微克/克。两个交配种群的菌株的小鸭毒性特征相似，但是，任何一种毒素的水平本身与小鸭毒性均无强相关性。根据我们的数据，我们认为这两个交配种群的成员可能会产生尚待化学鉴定的其他毒素。这些毒素可以与其他化合物单独或协同作用，以诱导观察到的小鸭毒性。

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