生物
非生物成分
内生菌
生物多样性
内生真菌在植物防御中的应用
生态学
非生物胁迫
殖民地化
共生
生态系统
寄主(生物学)
生物成分
菌根真菌
生物量(生态学)
植物
细菌
接种
生物化学
遗传学
免疫学
基因
作者
Rusty J. Rodriguez,James F. White,A. Elizabeth Arnold,Regina S. Redman
标识
DOI:10.1111/j.1469-8137.2009.02773.x
摘要
Summary All plants in natural ecosystems appear to be symbiotic with fungal endophytes. This highly diverse group of fungi can have profound impacts on plant communities through increasing fitness by conferring abiotic and biotic stress tolerance, increasing biomass and decreasing water consumption, or decreasing fitness by altering resource allocation. Despite more than 100 yr of research resulting in thousands of journal articles, the ecological significance of these fungi remains poorly characterized. Historically, two endophytic groups (clavicipitaceous (C) and nonclavicipitaceous (NC)) have been discriminated based on phylogeny and life history traits. Here, we show that NC‐endophytes represent three distinct functional groups based on host colonization and transmission, in planta biodiversity and fitness benefits conferred to hosts. Using this framework, we contrast the life histories, interactions with hosts and potential roles in plant ecophysiology of C‐ and NC‐endophytes, and highlight several key questions for future work in endophyte biology. Contents Summary 314 I. Introduction 314 II. Clavicipitaceous endophytes (Class 1) 316 III. Nonclavicipitaceous endophytes 319 IV. Class 2 endophytes 319 V. Class 3 endophytes 321 VI. Class 4 endophytes 323 VII. Conclusions 325 Acknowledgements 326 References 326
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