Article
A BRASSINOSTEROID INSENSISTIVE 1 receptor kinase ortholog is required for sex determination in Ceratopteris richardii.
The Plant cell - 9 May 2025
Burow Katelin M, Yang Xi, Zhou Yun, Dilkes Brian P, Wisecaver Jennifer H
Abstract excerpt
Most ferns, unlike all seed plants, are homosporous and produce sexually undifferentiated spores. Sex ratio in many homosporous species is environmentally established by the secretion of antheridiogen from female/hermaphrodite gametophytes. Nearby undetermined gametophytes perceive antheridiogen, which induces male development. In the fern Ceratopteris richardii (Ceratopteris), hermaphroditic (her) mutants...
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