Comparative analysis shows high level of lineage sorting in genomic regions with low recombination in the extended Picea likiangensis species complex

Hui Zhu; Weixiao Lei; Qing Lai; Yongshuai Sun; Dafu Ru

doi:10.1016/j.pld.2024.04.004

Comparative analysis shows high level of lineage sorting in genomic regions with low recombination in the extended Picea likiangensis species complex

Plant Divers. 2024 Apr 10;46(4):547-550. doi: 10.1016/j.pld.2024.04.004. eCollection 2024 Jul.

Authors

Hui Zhu¹, Weixiao Lei², Qing Lai¹, Yongshuai Sun³, Dafu Ru¹

Affiliations

¹ State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China.
² Xi'an Center for Disease Control and Prevention, Xi'an 710068, China.
³ CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303, China.

Abstract

•Phylogenomic analysis uncovers widespread discordance in the extended Picea likiangensis complex.•Introgression (54.99%) and incomplete lineage sorting (ILS; 33.12%) are key drivers of this incongruity.•Recombination rates shape ILS and introgression, with high rates correlating with elevated levels.•Genes linked to abiotic stress responses exhibit significant introgression and ILS, suggesting adaptive evolution.•Lower recombination rates improve accuracy in species relationships.

Publication types

Case Reports