The Broken Chloroplast Gene Clusters in Gymnosperms Exhibit Elevated Substitution Rates
Jingyao Ping,
Xiaona Zhong,
Ting Wang
et al.
Abstract:Plant chloroplast (cp) gene clusters consist of genes arranged closely together on the cp genome. These genes are organized in operon structures and participate in cotranscription, typically exhibiting conservation. Broken gene clusters have been observed in gymnosperms. In order to investigate whether the substitution rates and selection pressure of associated genes are affected following the disruption of gene clusters, the cp genomes of 80 species (78 gymnosperms and 2 outgroups) were analyzed. A phylogenet… Show more
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