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首页> 外文期刊>Trends in Plant Science >Evolution of endophyte-plant symbioses [Review]
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Evolution of endophyte-plant symbioses [Review]

机译:内生植物共生体的演变[综述]

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摘要

All fungi invading plant foliage have an asymptomatic period in their life cycle that varies from an imperceptibly short period (e.g. pathogens) to a lifetime (e.g. Neotyphodium endophytes in grasses). Endophytic fungus-grass associations are generally treated separately from parasitic, pathogenic and saprophytic interactions and are viewed as mutualistic associations. However, endophyte-host interactions are based on mutual exploitation. Benefits to the partners are rarely symmetric and conflicting selection forces are likely to destabilize them. Unanswered questions are how (i) genetic diversity of the fungus and phenotypic plasticity in fungal life history traits, (ii) genetic combinations between the fungus and the! host, and (iii) the fungus and host individually or in concert as a phenotypic unit, respond to changing selection pressures.
机译:所有侵害植物叶子的真菌在其生命周期中都有无症状的时期,从不明显的短时期(例如病原体)到一生(例如草丛中的内生真菌)。内生真菌-草的关联通常与寄生,病原和腐生的相互作用分开处理,被视为互惠关联。但是,内生菌与宿主的相互作用是基于相互利用的。对合作伙伴的收益很少是对称的,相互矛盾的选择力量很可能使他们失去稳定。未解决的问题是(i)真菌的遗传多样性和真菌生活史性状的表型可塑性,(ii)真菌与真菌之间的遗传组合!寄主,以及(iii)真菌和寄主作为表型单位单独或共同应对变化的选择压力。

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