ArticlePlant physiology2010
Identification and application of a rice senescence-associated promoter.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 56 citations in OpenAlex.
- Unravelling the molecular mechanisms of vegetative-to-reproductive transition in Cynara cardunculus by RNA-Seq analysis.Plant molecular biology · 2026Article
- Natural mutation in Stay-Green (OsSGR) confers enhanced resistance to rice sheath blight through elevating cytokinin content.Plant biotechnology journal · 2025Article
- Leaf Senescence Regulation Mechanism Based on Comparative Transcriptome Analysis in Foxtail Millet.International journal of molecular sciences · 2024Article
- Using UAV-Based Temporal Spectral Indices to Dissect Changes in the Stay-Green Trait in Wheat.Plant phenomics (Washington, D.C.) · 2024Article
- The NAC transcription factor MdNAC4 positively regulates nitrogen deficiency-induced leaf senescence by enhancing ABA biosynthesis in apple.Molecular horticulture · 2023Article
- The Relationships among "STAY-GREEN" Trait, Post-Anthesis Assimilate Remobilization, and Grain Yield in Rice (International journal of molecular sciences · 2022Article
- The Barley Heavy Metal Associated Isoprenylated Plant Protein HvFP1 Is Involved in a Crosstalk between the Leaf Development and Abscisic Acid-Related Drought Stress Responses.Plants (Basel, Switzerland) · 2022Article
- Cytokinin and abiotic stress tolerance -What has been accomplished and the way forward?Frontiers in genetics · 2022Review
- Current Understanding of Leaf Senescence in Rice.International journal of molecular sciences · 2021Review
- Verticillium wilt resistant and susceptible olive cultivars express a very different basal set of genes in roots.BMC genomics · 2021Article
- Differential expression of recently duplicated PTOX genes in Glycine max during plant development and stress conditions.Journal of bioenergetics and biomembranes · 2019Article
- Chloroplast Protein Degradation in Senescing Leaves: Proteases and Lytic Compartments.Frontiers in plant science · 2019Review
- Modification of Barley Plant Productivity Through Regulation of Cytokinin Content by Reverse-Genetics Approaches.Frontiers in plant science · 2018Article
- Comparative transcriptomics reveals a reduction in carbon capture and flux between source and sink in cytokinin-treated inflorescences of3 Biotech · 2018Article
- Role of Papain-Like Cysteine Proteases in Plant Development.Frontiers in plant science · 2018Review
- Manipulation of a Senescence-Associated Gene Improves Fleshy Fruit Yield.Plant physiology · 2017Article
- W-box and G-box elements play important roles in early senescence of rice flag leaf.Scientific reports · 2016Article
- Isolation and Functional Characterization of Bidirectional Promoters in Rice.Frontiers in plant science · 2016Article
- Upstream regulatory architecture of rice genes: summarizing the baseline towards genus-wide comparative analysis of regulatory networks and allele mining.Rice (New York, N.Y.) · 2015Article
- Genetic and molecular bases of yield-associated traits: a translational biology approach between rice and wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
SAG39 is a rice (Oryza sativa) gene that encodes a cysteine protease. SAG39 shares 55% homology with the Arabidopsis (Arabidopsis thaliana) senescence-associated protein SAG12. The promoter for SAG39 (P(SAG39)) was isolated, and SAG39 expression was determined to be relatively low in mature leaves, while not expressed in the endosperm. SAG39 mRNA levels increased as senescence progressed, with maximum accumulation of transcripts at late senescence stages. Gel retardation assays indicated that two cis-acting elements in P(SAG39), HBOXCONSENSUSPVCHS and WRKY71OS, responded to leaf senescence. To test if P(SAG39) could be useful for increasing rice yields by increasing cytokinin content and delaying senescence, homozygous transgenic plants were obtained by linking P(SAG39) to the ipt gene and introducing it into Zhonghua 11. The chlorophyll level of the flag leaf was used to monitor senescence, confirming the stay-green phenotype in P(SAG39):ipt transgenic rice versus wild-type plants. Changes in the cytokinin content led to early flowering and a greater number of emerged panicles 70 d after germination in the transgenic rice. Measurements of sugar and nitrogen contents in flag leaves demonstrated a transition in the source-sink relationship in transgenic plants triggered at the onset of leaf senescence, with the nitrogen content decreasing more slowly, while sugars were removed more rapidly than in wild-type plants. The importance of these changes to rice physiology, yield, and early maturation will be discussed.
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