Fewer chromosomes, more co-occurring species within plant lineages: A likely effect of local survival and colonization.
American journal of botany(2023)
摘要
Families that have few chromosomes, either monoploid or holoploid, succeed in maintaining many species in local communities and across a continent and, as indirect consequence of both, across a region. We suggest evolutionary mechanisms to explain how small chromosome numbers and ploidy levels might decrease rates of local extinction and increase rates of colonization. The genome of a macroevolutionary lineage may ultimately control whether its species can ecologically coexist.
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关键词
chromosome number,coexistence,ecological genetics and ecogenomics,genome size,life-history traits,locally species-rich families,polyploidy,species communities,species richness of lineages
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