ArticleDevelopment (Cambridge, England)2024
Analysis of auxin responses in the fern Ceratopteris richardii identifies the developmental phase as a major determinant for response properties.
Article in Development (Cambridge, England), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Chemical Ontogeny in Plants: Developmental Dynamics of Specialized Metabolism and Implications for Ecology, Quality Control, and Bioprospecting.Plants (Basel, Switzerland) · 2026Review
- A Rapid and Highly Effective Protocol for Sporophyte Proliferation ofPlants (Basel, Switzerland) · 2026Article
- Evolution of molecular networks underlying plant tissue patterning: insights from conducting tissues.Journal of experimental botany · 2026Review
- Cell division and lineage dynamics during antheridium differentiation and male gametophyte development in Ceratopteris richardii.Communications biology · 2026Article
- Dynamic auxin maxima regulate male-to-hermaphrodite conversion and de novo meristem formation in the fern Ceratopteris gametophytes.PLoS biology · 2026Article
- Sex-type specification and meristem development in fern gametophytes.Discover developmental biology · 2026Review
- Cellular basis of ABA-induced de novo meristem formation and sex-type conversion in Ceratopteris gametophytes.The Plant journal : for cell and molecular biology · 2025Article
- Complete loss of A-ARF activity in bryophytes reveals a role for auxin-adjacent regulatory networks.Journal of experimental botany · 2025Article
- Sexual reproduction in land plants: an evolutionary perspective.Plant reproduction · 2025Review
- Auxin and tryptophan trigger common responses in the streptophyte alga Penium margaritaceum.Current biology : CB · 2025Article
- The cellular basis of meristem development in fern gametophytes.Biochemical Society transactions · 2025Review
- Single cell-derived multicellular meristem: insights into male-to-hermaphrodite conversion and de novo meristem formation in Ceratopteris.Development (Cambridge, England) · 2025Article
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Authors and funding
8 authors.
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Abstract
The auxin signaling molecule regulates a range of plant growth and developmental processes. The core transcriptional machinery responsible for auxin-mediated responses is conserved across all land plants. Genetic, physiological and molecular exploration in bryophyte and angiosperm model species have shown both qualitative and quantitative differences in auxin responses. Given the highly divergent ontogeny of the dominant gametophyte (bryophytes) and sporophyte (angiosperms) generations, however, it is unclear whether such differences derive from distinct phylogeny or ontogeny. Here, we address this question by comparing a range of physiological, developmental and molecular responses to auxin in both generations of the model fern Ceratopteris richardii. We find that auxin response in Ceratopteris gametophytes closely resembles that of a thalloid bryophyte, whereas the sporophyte mimics auxin response in flowering plants. This resemblance manifests both at the phenotypic and transcriptional levels. Furthermore, we show that disrupting auxin transport can lead to ectopic sporophyte induction on the gametophyte, suggesting a role for auxin in the alternation of generations. Our study thus identifies developmental phase, rather than phylogeny, as a major determinant of auxin response properties in land plants.
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