Research:2026-02-04/Journal article/sex-specific-ethylene-responses-drive-floral-sexual-plasticity-in-cannabis-sativa

ResearchJournal article4 February 2026

Sex-specific ethylene responses drive floral sexual plasticity in Cannabis sativa

Adrian S. Monthony, Julien Roy, Maxime de Ronne, Olivia Carlson, Susan J. Murch, Davoud Torkamaneh

The Plant Journal

Integrates over 130 RNA-seq libraries, ethylene-pathway metabolite measurements and whole-genome sequencing across XX and XY plants of three genotypes to study ethylene-induced sex change in Cannabis sativa. Silver thiosulfate and ethephon treatments converted more than 80% of plants, but transcriptomic responses diverged between XX and XY plants, and profiling of 47 ethylene-related genes gave 14 high-confidence candidates, among them CsACS1, CsACO5, CsERF1 and CsMTN. Several candidates lie in non-recombining regions of the X chromosome or are absent from the Y, and most show low nucleotide diversity, which the authors read as functional constraint. They point to uses in developing sex-stable cultivars.

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DOI10.1111/tpj.70721

Record created 15 October 2026maintained by landrace.wiki editorspage history

2026-02-04 2026-10-15 Sex-specific ethylene responses drive floral sexual plasticity in Cannabis sativa Journal article Genetics Adrian S. Monthony, Julien Roy, Maxime de Ronne, Olivia Carlson, Susan J. Murch, Davoud Torkamaneh The Plant Journal 2026 10.1111/tpj.70721 https://doi.org/10.1111/tpj.70721 Integrates over 130 RNA-seq libraries, ethylene-pathway metabolite measurements and whole-genome sequencing across XX and XY plants of three genotypes to study ethylene-induced sex change in Cannabis sativa. Silver thiosulfate and ethephon treatments converted more than 80% of plants, but transcriptomic responses diverged between XX and XY plants, and profiling of 47 ethylene-related genes gave 14 high-confidence candidates, among them CsACS1, CsACO5, CsERF1 and CsMTN. Several candidates lie in non-recombining regions of the X chromosome or are absent from the Y, and most show low nucleotide diversity, which the authors read as functional constraint. They point to uses in developing sex-stable cultivars.