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Genomes of the Banyan Tree and Pollinator Wasp Provide Insights into Fig-Wasp Coevolution 

 
论文编号:
作者: Zhang XT; Wang G
刊物名称: Cell
所属学科:
论文题目英文: Genomes of the Banyan Tree and Pollinator Wasp Provide Insights into Fig-Wasp Coevolution
年: Oct 2020
卷: 183
期:
页: 1-15
联系作者: Chen J; Ming R
收录类别:
影响因子: 38.637
参与作者:
备注:
摘要: Banyan trees are distinguished by their extraordinary aerial roots. The Ficus genus includes species that have evolved a species-specific mutualism system with wasp pollinators. We sequenced genomes of the Chinese banyan tree, F. microcarpa, and a species lacking aerial roots, F. hispida, and one wasp genome coevolving with F. microcarpa, Eupristina verticillata. Comparative analysis of the two Ficus genomes revealed dynamic karyotype variation associated with adaptive evolution. Copy number expansion of auxin-related genes from duplications and elevated auxin production are associated with aerial root development in F. microcarpa. A male-specific AGAMOUS paralog, FhAG2, was identified as a candidate gene for sex determination in F. hispida. Population genomic analyses of Ficus species revealed genomic signatures of morphological and physiological coadaptation with their pollinators involving terpenoid- and benzenoid-derived compounds. These three genomes offer insights into and genomic resources for investigating the geneses of aerial roots, monoecy and dioecy, and codiversification in a symbiotic system.
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