ArticleThe New phytologist2022
MS1/MMD1 homologues in the moss Physcomitrium patens are required for male and female gametogenesis.
Article in The New phytologist, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 14 citations in OpenAlex.
- The KIF6-RBP Complex Orchestrates mRNA Transport Required for Sperm Flagellar Assembly.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The post-fertilization archegonium gene network of seedless plants contributed to the origin of seeds.Nature communications · 2026Article
- MAdLandExpression: integrating sexual reproduction into the Physcomitrium patens expression atlas.The Plant journal : for cell and molecular biology · 2026Article
- Physcomitrium LATERAL SUPPRESSOR genes promote formative cell divisions to produce germ cell lineages in both male and female gametangia.The New phytologist · 2025Article
- The transcription factor PpRKD evokes female developmental fate in the sexual reproductive organs of Physcomitrium patens.The New phytologist · 2025Article
- The BNB-GLID module regulates germline fate determination in Marchantia polymorpha.The Plant cell · 2024Article
- MS2/GmAMS1 encodes a bHLH transcription factor important for tapetum degeneration in soybean.Plant cell reports · 2024Article
- Protocol: an improved method for inducing sporophyte generation in the model moss Physcomitrium patens under nitrogen starvation.Plant methods · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The Arabidopsis Plant HomeoDomain (PHD) proteins AtMS1 and AtMMD1 provide chromatin-mediated transcriptional regulation essential for tapetum-dependent pollen formation. This pollen-based male gametogenesis is a derived trait of seed plants. Male gametogenesis in the common ancestors of land plants is instead likely to have been reminiscent of that in extant bryophytes where flagellated sperms are produced by an elaborate gametophyte generation. Still, also bryophytes possess MS1/MMD1-related PHD proteins. We addressed the function of two MS1/MMD1-homologues in the bryophyte model moss Physcomitrium patens by the generation and analysis of reporter and loss-of-function lines. The two genes are together essential for both male and female fertility by providing functions in the gamete-producing inner cells of antheridia and archegonia. They are furthermore expressed in the diploid sporophyte generation suggesting a function during sporogenesis, a process proposed related by descent to pollen formation in angiosperms. We propose that the moss MS1/MMD1-related regulatory network required for completion of male and female gametogenesis, and possibly for sporogenesis, represent a heritage from ancestral land plants.
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