抗生素Trichothecenes与高层植物Baccharis megapotamica之间的相互作用
Science (New York, N.Y.)
|October 23, 1981
概括
巴西灌木Baccharis megapotamica吸收和改变有毒的真菌化合物,使它们对植物无害. 然而,这些改变的毒素对其他植物 (如西红和胡) 仍然是致命的.
科学领域:
- 植物科学 植物科学
- 菌类学 菌类学是指菌类学.
- 生物化学 生物化学
背景情况:
- 巴卡里斯·梅加波塔米卡 (Baccharis megapotamica) 是一棵巴西的灌木,自然产生抗生素三.
- 当植物在美国种植时,这些真菌毒素不存在.
- 三甲是已知的真菌毒素,对各种生物体具有潜在的毒性.
研究的目的:
- 为了研究植物与外部三合体的相互作用.
- 为了了解Baccharis megapotamica吸收的真菌毒素的化学命运.
- 为了确定吸收和改变的三甲烯的植物毒性.
主要方法:
- 在美国种植Baccharis megapotamica.
- 进行食实验,使用真菌产生的三.
- 分析植物中吸收的化合物的化学结构.
主要成果:
- 巴卡里斯·梅加波塔米卡 (Baccharis megapotamica) 吸收,转移和化学修饰的外部三合体.
- 植物中改变的化合物在结构上与其原生息地中发现的化合物相似.
- 植物没有显示出菌毒素的不良影响.
- 番茄,胡和桃在暴露于真菌毒素时会死亡.
结论:
- 巴卡里斯·梅加波塔米卡 (Baccharis megapotamica) 具有一种可以排毒三甲烯的机制.
- 植物改变这些真菌毒素的能力是关键的生存策略.
- 甲烯的植物毒性对易受影响的作物构成重大威胁.
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