Antifungal effects of dimethyl trisulfide against Colletotrichum gloeosporioides infection on mango
Antifungal effects of dimethyl trisulfide against Colletotrichum gloeosporioides infection on mango
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二甲基三硫醚对芒果炭疽菌感染的抗真菌作用
DOI：
10.1111/jph.12816
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发表时间：
2019
影响因子：
1.5
通讯作者：
Hsiang Tom
中科院分区：
文献类型：
--
作者：
Tang Lihua;Mo Jianyou;Guo Tangxun;Huang Suiping;Li Qili;Ning Ping;Hsiang Tom
芒果炭疽病是芒果炭疽病的主要病原之一，在芒果未成熟时引起潜伏感染，在果实贮藏和运输过程中造成巨大损失。二甲基三硫（DMTS）是一种由多种微生物或植物产生的抗真菌剂，但其对类胶孢梭菌侵染过程的影响尚未得到很好的表征。组织学研究表明，DMTS对胶孢炭疽菌侵染过程有较强的抑制作用，可抑制分生孢子的萌发和附着胞的形成，破坏细胞质，使细胞空泡化，使附着胞在侵入前变形。本研究首次证实DMTS通过抑制芒果炭疽病菌的侵染过程对芒果炭疽病菌具有抑菌活性，从而为芒果采后炭疽病的防治提供了一种新的生物防治方法。
Colletotrichum gloeosporioides, one of the main agents of mango anthracnose, causes latent infections in unripe mango and can lead to huge losses during fruit storage and transport. Dimethyl trisulfide (DMTS) is an antifungal agent produced by several microorganisms or plants, but its effects on the infection process ofC. gloeosporioideshave not been well characterized. A histological investigation demonstrated that DMTS exhibits strong inhibitory effects on the infection process ofC. gloeosporioides in plantaby inhibiting the germination of conidia and formation of appressoria, damaging cytoplasm to cause cells to vacuolate and contributing to deformation of appressoria prior to penetration. This is the first study to demonstrate antifungal activity of DMTS againstC. gloeosporioideson mango by suppression of the infection process, thus providing a novel postharvest biorational control for mango anthracnose.