ArticlePlant physiology2021
Carbon Starved Anther modulates sugar and ABA metabolism to protect rice seed germination and seedling fitness.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 23 citations in OpenAlex.
- Temporal transcriptomic and lipidomic analysis reveals multi-omics dynamic profiles of B. napus seed germination.BMC genomics · 2026Article
- Article
- cis- and trans-elements for the transcriptional regulation of sugar responsive genes: from current knowledge to future applications.Plant molecular biology · 2025Review
- PcMYBs responded to 6-BA to regulate PcCKXs to promote germination of primary rhizome buds of Polygonatum cyrtonema Hua.BMC plant biology · 2025Article
- The transcription factor CCT30 promotes rice preharvest sprouting by regulating sugar signalling to inhibit the ABA-mediated pathway.Plant biotechnology journal · 2025Article
- Chalkiness and premature controlled by energy homeostasis in OsNAC02 Ko-mutant during vegetative endosperm development.BMC plant biology · 2024Article
- Comparing time-series transcriptomes between chilling-resistant and -susceptible rice reveals potential transcription factors responding to chilling stress.Frontiers in plant science · 2024Article
- Deep polygenic neural network for predicting and identifying yield-associated genes in Indonesian rice accessions.Scientific reports · 2022Article
- Review
- Understanding of Hormonal Regulation in Rice Seed Germination.Life (Basel, Switzerland) · 2022Review
- Integrative transcriptomic and TMT-based proteomic analysis reveals the mechanism by whichFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seed germination is critical for plant survival and agricultural production, which is affected by both internal seed factors and external environmental conditions. However, the genetic basis and underlying molecular mechanisms of early seed germination in crops remain largely unclear. Here, we report that R2R3 MYB transcription factor Carbon Starved Anther (CSA) is expressed specifically in Oryza sativa embryo and aleurone in response to seed imbibition, peaking at 3-6 h and undetectable by 24-h post-imbibition. CSA seeds germinated more quickly than wild-type rice seeds and had higher levels of amylase activity, glucose, and inactive abscisic acid-glucose ester (ABA-GE), but lower levels of ABA. Through analyzing the CSA-associated transcriptome and CSA binding to downstream target genes, we identified two glycolytic genes as direct CSA targets. CSA inhibits Amylase 3A expression to limit glucose production from starch and activates Os3BGlu6 expression to promote de-conjugation of ABA-GE to ABA; these functions serve to slow germination and improve seedling resilience to abiotic stress in the first 3 weeks of growth. Therefore, this study unveils a protection mechanism conferred by CSA during early seed germination by balancing glucose and ABA metabolism to optimize seed germination and stress response fitness.
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