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Keystone Genes
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DOI：10.1016/j.tree.2018.07.002.png)
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Abstract
En 中文
The keystone species concept is used in ecology to describe individual species with disproportionately large effects on their communities. We extend this idea to the level of genes with disproportionately large effects on ecological processes. Such 'keystone genes' (KGs) would underlie traits involved in species interactions or causing critical biotic and/or abiotic changes that influence emergent community and ecosystem properties. We propose a general framework for how KGs could be identified, while keeping KGs under the umbrella of 'ecologically important genes' (EIGs) that also include categories such as 'foundation genes', 'ecosystem engineering genes', and more. Although likely rare, KGs and other EIGs could dominate certain ecological processes; thus, their discovery and study are relevant for understanding eco-evolutionary dynamics.
Keywords:
ECOSYSTEM GENETICS
EVOSYSTEM SERVICES
LOCAL ADAPTATION
EVOLUTION
PLANT
COMMUNITY
SELECTION
DYNAMICS
GENOTYPE
ECOLOGY
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