Population genomics and climate adaptation of a C4 perennial grass, Panicum hallii (Poaceae).

ABSTRACT:

Background

Understanding how and why genetic variation is partitioned across geographic space is of fundamental importance to understanding the nature of biological species. How geographical isolation and local adaptation contribute to the formation of ecotypically differentiated groups of plants is just beginning to be understood through population genomic studies. We used whole genome sequencing combined with association study of climate to discover the drivers of differentiation in the perennial C4 grass Panicum hallii.

Results

Sequencing of 89 natural accessions of P.hallii revealed complex population structure across the species range. Major population genomic separation was found between subspecies P.hallii var. hallii and var. filipes as well as between at least four

SUBMITTER: Gould BA 

PROVIDER: S-EPMC6211516 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature