ArticleThe New phytologist2023
DELLA proteins regulate spore germination and reproductive development in Physcomitrium patens.
Article in The New phytologist, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- MAdLandExpression: integrating sexual reproduction into the Physcomitrium patens expression atlas.The Plant journal : for cell and molecular biology · 2026Article
- Article
- ThePlants (Basel, Switzerland) · 2025Article
- Green Revolution DELLA Proteins: Functional Analysis and Regulatory Mechanisms.Annual review of plant biology · 2025Review
- Evolution of a plant growth-regulatory protein interaction specificity.Nature plants · 2023Article
- Properties of INDETERMINATE DOMAIN Proteins fromGenes · 2023Article
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Authors and funding
9 authors at 4 institutions in 3 countries.
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Abstract
Proteins of the DELLA family integrate environmental signals to regulate growth and development throughout the plant kingdom. Plants expressing non-degradable DELLA proteins underpinned the development of high-yielding 'Green Revolution' dwarf crop varieties in the 1960s. In vascular plants, DELLAs are regulated by gibberellins, diterpenoid plant hormones. How DELLA protein function has changed during land plant evolution is not fully understood. We have examined the function and interactions of DELLA proteins in the moss Physcomitrium (Physcomitrella) patens, in the sister group of vascular plants (Bryophytes). PpDELLAs do not undergo the same regulation as flowering plant DELLAs. PpDELLAs are not degraded by diterpenes, do not interact with GID1 gibberellin receptor proteins and do not participate in responses to abiotic stress. PpDELLAs do share a function with vascular plant DELLAs during reproductive development. PpDELLAs also regulate spore germination. PpDELLAs interact with moss-specific photoreceptors although a function for PpDELLAs in light responses was not detected. PpDELLAs likely act as 'hubs' for transcriptional regulation similarly to their homologues across the plant kingdom. Taken together, these data demonstrate that PpDELLA proteins share some biological functions with DELLAs in flowering plants, but other DELLA functions and regulation evolved independently in both plant lineages.
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