Evolution of sibling fungal plant pathogens in relation to host specialization

被引：25
|
作者：
Gudelj, I [1 ]
Fitt, BDL [1 ]
van den Bosch, F [1 ]
机构：
[1] Rothamsted Res, Harpenden AL5 2JQ, Herts, England
来源：
PHYTOPATHOLOGY | 2004年 / 94卷 / 07期
基金：
英国生物技术与生命科学研究理事会;
关键词：
mathematical model; phenotype; simulation; tradeoff relationship;
D O I：
10.1094/PHYTO.2004.94.7.789
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Sibling plant pathogens can be grouped according to their host ranges into the following groups: group 1, sibling pathogens with nonoverlapping host ranges; group 2, sibling pathogens with both overlapping and nonoverlapping host ranges; and group 3, sibling pathogens with overlapping host ranges. Using the adaptive dynamics methodology, we investigated the evolution of sibling pathogens in relation to host specialization for groups 1 to 3. In particular, we focused on the role of multiple host niches and a trade-off in infectivity of pathogens to these hosts on the evolutionary outcome. We have shown that this ecological mechanism can explain only the evolution of sibling pathogens in group 1 and that other ecological and epidemiological mechanisms must be responsible for the evolution of sibling pathogens in the other two groups.
引用
收藏
页码：789 / 795
页数：7
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