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Article

Recent Y chromosome divergence despite ancient origin of dioecy in poplars (Populus).

Molecular ecology - 1 Jul 2015

Geraldes A, Hefer C A, Capron A, Kolosova N, Martinez-Nuñez F, Soolanayakanahally R Y, Stanton B, Guy R D, Mansfield S D, Douglas C J, Cronk Q C B

Abstract excerpt

All species of the genus Populus (poplar, aspen) are dioecious, suggesting an ancient origin of this trait. Despite some empirical counter examples, theory suggests that nonrecombining sex-linked regions should quickly spread, eventually becoming heteromorphic chromosomes. In contrast, we show using whole-genome scans that the sex-associated region in Populus trichocarpa is small and much younger than the age of...

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PMID: 25728270
DOI: 10.1111/mec.13126

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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