Linking the emergence of fungal plant diseases with ecological speciation.

Linking the emergence of fungal plant diseases with ecological speciation.
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DOI:
10.1016/j.tree.2010.03.006
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发表时间:
2010-07
影响因子:
16.8
通讯作者:
Gavrilets S
Gavrilets S
中科院分区:
生物学1区
文献类型:
--
作者:
Giraud T;Gladieux P;Gavrilets S

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新出现的疾病代表了伴随全球环境变化的日益严重的世界性问题,并且对确定控制这些疾病的出现和传播的因素有极大的兴趣。在这里,我们讨论了新出现的真菌性植物疾病,并认为它们往往是由宿主转移物种形成,生态物种形成的一个特殊情况。我们认为,控制当地的适应和生态物种形成的因素,并表明,许多真菌植物病原体的某些生活史特征有利于快速生态物种形成,从而有利于适应新的主机新的病原体物种的出现。我们认为,将植物新出现的真菌性疾病的生态物种形成的背景下的问题,可以显着提高我们的理解,这种疾病的出现的生物学机制。
Emerging diseases represent a growing worldwide problem accompanying global environmental changes, and there is tremendous interest in identifying the factors controlling the appearance and spread of these diseases. Here, we discuss emerging fungal plant diseases, and argue that they often result from host shift speciation, a particular case of ecological speciation. We consider the factors controlling local adaptation and ecological speciation and show that certain life-history traits of many fungal plant pathogens are conducive for rapid ecological speciation, thus favoring the emergence of novel pathogen species adapted to new hosts. We argue that placing the problem of emerging fungal diseases of plants within the context of ecological speciation can significantly improve our understanding of the biological mechanisms governing emergence of such diseases.
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