ArticlePlant physiology2013
The MOSS Physcomitrella patens reproductive organ development is highly organized, affected by the two SHI/STY genes and by the level of active auxin in the SHI/STY expression domain.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 89 citations in OpenAlex.
- MAdLandExpression: integrating sexual reproduction into the Physcomitrium patens expression atlas.The Plant journal : for cell and molecular biology · 2026Article
- Dynamic auxin maxima regulate male-to-hermaphrodite conversion and de novo meristem formation in the fern Ceratopteris gametophytes.PLoS biology · 2026Article
- The role of auxin-mediated gene activation in the bryophyte, Physcomitrium patens.Journal of experimental botany · 2025Article
- Diversification of CLE expression patterns and nonmeristematic roles for CLAVATA receptor-like kinases in a moss.The New phytologist · 2025Article
- The chloroplast-located HKT transporter plays an important role in fertilization and development in Physcomitrium patens.The Plant journal : for cell and molecular biology · 2025Article
- The transcription factor PpRKD evokes female developmental fate in the sexual reproductive organs of Physcomitrium patens.The New phytologist · 2025Article
- Cycling DOF factor mediated seasonal regulation of sexual reproduction and cold response is not conserved inPlant direct · 2024Article
- Cell death in bryophytes: emerging models to study core regulatory modules and conserved pathways.Annals of botany · 2024Review
- The maternal embrace: the protection of plant embryos.Journal of experimental botany · 2024Review
- Morphological Innovation Drives Sperm Release in Bryophytes.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Protocol: an improved method for inducing sporophyte generation in the model moss Physcomitrium patens under nitrogen starvation.Plant methods · 2023Article
- Clade-D auxin response factors regulate auxin signaling and development in the moss Physcomitrium patens.PLoS biology · 2023Article
- The birth of a giant: evolutionary insights into the origin of auxin responses in plants.The EMBO journal · 2023Review
- A conserved module in the formation of moss midribs and seed plant axillary meristems.Science advances · 2022Article
- MS1/MMD1 homologues in the moss Physcomitrium patens are required for male and female gametogenesis.The New phytologist · 2022Article
- How was apical growth regulated in the ancestral land plant? Insights from the development of non-seed plants.Plant physiology · 2022Review
- Involvement of Auxin Biosynthesis and Transport in the Antheridium and Prothalli Formation inPlants (Basel, Switzerland) · 2021Article
- Flowering plant embryos: How did we end up here?Plant reproduction · 2021Article
- Regulation of gametangia and gametangiophore initiation in the liverwort Marchantia polymorpha.Plant reproduction · 2021Review
- Phytohormone biosynthesis and signaling pathways of mosses.Plant molecular biology · 2021Review
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Authors and funding
8 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In order to establish a reference for analysis of the function of auxin and the auxin biosynthesis regulators SHORT INTERNODE/STYLISH (SHI/STY) during Physcomitrella patens reproductive development, we have described male (antheridial) and female(archegonial) development in detail, including temporal and positional information of organ initiation. This has allowed us to define discrete stages of organ morphogenesis and to show that reproductive organ development in P. patens is highly organized and that organ phyllotaxis differs between vegetative and reproductive development. Using the PpSHI1 and PpSHI2 reporter and knockout lines, the auxin reporters GmGH3(pro):GUS and PpPINA(pro):GFP-GUS, and the auxin-conjugating transgene PpSHI2(pro):IAAL, we could show that the PpSHI genes, and by inference also auxin, play important roles for reproductive organ development in moss. The PpSHI genes are required for the apical opening of the reproductive organs, the final differentiation of the egg cell, and the progression of canal cells into a cell death program. The apical cells of the archegonium, the canal cells, and the egg cell are also sites of auxin responsiveness and are affected by reduced levels of active auxin, suggesting that auxin mediates PpSHI function in the reproductive organs.
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