ArticleCommunications biology2024
Reciprocal expression of MADS-box genes and DNA methylation reconfiguration initiate bisexual cones in spruce.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 25 citations in OpenAlex.
- Phosphorylation of the transcription factor TgWRKY47 by TgSnRK1 modulates cone enlargement in the gymnosperm Torreya grandis.The New phytologist · 2026Article
- Response of DNA methylation and gene expression to light treatments in Norway spruce [Picea abies (L.) Karst.].BMC genomics · 2026Article
- Research Progress on the Regulation of Plant Floral Organ Development by theInternational journal of molecular sciences · 2025Review
- Transcriptomic profiling and gene network analysis revealed regulatory mechanisms of bract development in Bougainvillea glabra.BMC plant biology · 2024Article
- Reciprocal expression of MADS-box genes and DNA methylation reconfiguration initiate bisexual cones in spruce.Communications biology · 2024Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The naturally occurring bisexual cone of gymnosperms has long been considered a possible intermediate stage in the origin of flowers, but the mechanisms governing bisexual cone formation remain largely elusive. Here, we employed transcriptomic and DNA methylomic analyses, together with hormone measurement, to investigate the molecular mechanisms underlying bisexual cone development in the conifer Picea crassifolia. Our study reveals a "bisexual" expression profile in bisexual cones, especially in expression patterns of B-class, C-class and LEAFY genes, supporting the out of male model. GGM7 could be essential for initiating bisexual cones. DNA methylation reconfiguration in bisexual cones affects the expression of key genes in cone development, including PcDAL12, PcDAL10, PcNEEDLY, and PcHDG5. Auxin likely plays an important role in the development of female structures of bisexual cones. This study unveils the potential mechanisms responsible for bisexual cone formation in conifers and may shed light on the evolution of bisexuality.
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Registered trials
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