Genetic Differentiation of Chinese Fir Populations From Mainland China and Taiwan as Revealed by Genotyping-By-Sequencing Analysis, With Implication for Taxonomic Position of the Species.

ABSTRACT: Climate change and strait isolation during the glacial period had a profound effect on the differentiation of gymnosperms on both sides of the Taiwan Strait. The taxonomic status and population structure of Cunninghamia konishii (Taiwan) and C. lanceolata (mainland China) remain contentious due to conflicting morphological and molecular evidence. Thus, we sampled 92 accessions from seven natural populations, six from mainland China and one from Taiwan, and conducted high-throughput genotyping-by-sequencing (GBS) analysis. The northern marginal population exhibited the lowest genetic diversity (θπ = 4.828 × 10^-3), while the Taiwan population had the highest (θπ = 5.821 × 10^-3), reflecting its role as a glacial refugium, while mainland popula

SUBMITTER: Zhang Y 

PROVIDER: S-EPMC11992008 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature