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南京农业大学农学院《Journal of Integrative Plant Biology》发表张红生教授团队“Potassium transporter OsHAK9 regulates seed germination under salt stress by preventing gibberellin degradation through mediating OsGA2ox7 in rice”（图）
张红生 种子 作物遗传
2024/6/11
盐害是制约全世界作物生长的主要非生物胁迫之一，全球有6%土地和20%灌溉用地受到盐害影响，严重制约了农作物生长发育和产量。水稻作为全球主要粮食作物之一，对盐胁迫敏感。盐胁迫条件下，水稻种子萌发和幼苗形态建成显著受抑制，严重制约了我国水稻直播的推广和盐碱地区耕地利用。因此，挖掘鉴定控制水稻种子萌发的关键基因，阐明其在盐胁迫条件下调控种子活力的分子机制，对培育适合盐碱地生长的种子高活力耐盐水稻品种和保...
The HB40-JUB1 transcriptional regulatory network controls gibberellin homeostasis in Arabidopsis
Arabidopsis growth gibberellin homeostasis transcription factor HB40 JUB1 GA 2-oxidase DELLA proteins
2023/11/30
The phytohormones gibberellins (GAs) play fundamental roles in almost every aspect of plant growth and development. Although there is good knowledge about GA biosynthetic and signaling pathways, facto...
Five Rice Seed-Specific NF-YC Genes Redundantly Regulate Grain Quality and Seed Germination via Interfering Gibberellin Pathway
NF-YCs 种子发育 赤霉素 籽粒品质
2023/3/9
NF-YCs are important transcription factors with diverse functions in the plant kingdoms including seed development. NF-YC8, 9, 10, 11 and 12 are close homologs with similar seed-specific expression pa...
Phospholipase Dα6 and phosphatidic acid regulate gibberellin signaling in rice
gibberellin signaling GID1 receptor phosphatidic acid Phospholipase rice
2023/4/21
Phospholipase D (PLD) hydrolyzes membrane lipids to produce phosphatidic acid (PA), a lipid mediator involved in various cellular and physiological processes. Here, we show that PLDa6 and PA regulate ...
Gypsy retrotransposon-derived maize lncRNA GARR2 modulates gibberellin response
Gypsy retrotransposon-derived maize lncRNA GARR2 gibberellin
2023/7/20
Long non-coding RNAs (lncRNAs) mediate diverse biological events mainly through the modulation of transcriptional hierarchy. The phytohormone gibberellin (GA) is essential for various aspects of plant...
Gibberellin biosynthesis inhibitor mepiquat chloride enhances root K+ uptake by modulating plasma membrane H+-ATPase.
MC浸种 钾离子吸收 棉花生产
2024/5/17
缩节胺(MC)作为一种赤霉素生物合成抑制剂，可以增加棉花对钾离子的吸收，从而对棉花生长产生积极调节作用，但是潜在生理机制尚不清楚。本研究利用非损伤微测技术测定表明，除了增加根生物量之外，MC浸种还可以通过增加钾离子流入和/或减少幼苗根尖的钾离子外排来增加钾离子吸收。此外，该研究发现，MC处理可以引起质膜超极化，可以通过增强H +-ATPase的基因表达（HA2/5/11）、蛋白积累（GhAHAs总...
植物中Gibberellin 2-oxidases基因研究进展
赤霉素 2–氧化酶基因 表达模式 生理功能 环境因素 植物激素 转录因子
2018/11/8
赤霉素 2–氧化酶（Gibberellin 2-oxidases，GA2oxs）是赤霉素代谢过程中的关键酶，根据底物特异性其可分为 C 20 -GA2oxs 和 C 19 -GA2oxs 两类，其中 C 20 -GA2oxs 直接作用于 GA 合成前体（GA 12 ，GA 53 ），C 19 -GA2oxs 负责分解活性 GA（GA 1 ，GA 4 ）及其前体（GA 20 ，GA 9 ）。GA2o...
Effects of Treatment Gibberellin Methods on the Occurrence of Berry Splitting in ‘Delaware’ Grape
manganese sulfate pericarp strength plant growth regulator surface wax
2010/11/24
The effects of treatment with gibberellin and MnSO4 solution on berry splitting in ‘Delaware’ grape were investigated. The density of berries in a bunch treated with the first gibberellin (GA, 100 ppm...
Effect of Gibberellin Biosynthesis Inhibitor on Prevention of Precocious Bolting and Flowering in Japanese Radish (Raphanus sativus L.)
growth retardant foliar spray low temperature long day
2009/9/10
Prevention of precocious bolting, i.e. stem elongation accompanied by flowering, in Japanese radish (Raphanus sativus L.) was attempted using a foliar spray of uniconazole, a gibberellin biosynthesis ...
Effect of Gibberellin on Spikelet Organogenesis in Rice Plants under Different Treatment of Nitrogen Top-dressing
Gibberellin Nitrogen top-dressing Organogenesis Pistillody Rice Spikelet Young-panicle differentiation
2009/8/6
The effect of nitrogen top-dressing (ntd) on the gibberellin (GA3, GA) - induced abnormality of spikelets was investigated during the two years, 1986 and 1987, with using the rice cultivar Sachikaze. ...
Studies on Internode Elongation in Soybean Plants:IV. Effects of gibberellin biosynthesis inhibitors on internode elongation
Chemical control Gibberellin biosynthesis inhibitor Growth regulator Growth retardant Internode elongation Soybean
2009/8/5
In order to obtain the fundamental information on chemical control of plant structure in soybean ( Glycine max Merr. cv. Fukuyutaka), the effects of growth regulators on the internode elongation were ...
Effects of the Combined Application of Ethephon and Gibberellin on Growth of Rice (Oryza sativa L.)Seedlings
Coleoptile Direct seeding Ethylene Gibberellin Mesocotyl Plant growth regulator Rice Seedling
2009/7/23
Improvement of early seedling growth, such as seedling emergence and vigor is one of the most important agronomic traits in direct seeding rice cultivation. The effects of two plant growth regulators ...
Effect of Gibberellin and Uniconazole on Mesocotyl Elongation of Dark-Grown Maize under Different Seeding Depths
Gibberellin Maize Mesocotyl elongation Uniconazole
2009/7/23
Seeds of five maize inbred lines, including 3681-4, were treated with gibberellin A3 (GA3) and uniconazole (UCZ) under deep seeding and shallow seeding in order to elucidate the physiological mechanis...
Effects of Gibberellin and Cytokinin on the Resistance to Cool Weather at the Young Microspore Stage in Rice Plants (<Regular Paper>Crop Physiology and Cell Biology)
Cool-weather resistance Cytokinin Fertility Gibberellin Nitrogen Pollen Rice Young microspore stage
2009/7/14
The effects of gibberellin, cytokinin and an inhibitor of gibberellin biosynthesis on spikelet fertility and the number of pollen grains were examined in rice plants which were cooled at the young mic...
Effects of Gibberellin and CPPU on Enlargement and Characteristics of Seedless Berries Induced by Streptomycin in the ‘Fujiminori’ Grape
Seedless Berries Streptomycin Grape
2009/7/13
Effects of gibberellin (GA3) and 1-(2-chloro-4-pyridyl)-3-phenylurea (CPPU) on enlargement of seedless berry induced by streptomycin (SM) in the grape cv.‘Fujiminori’ were investigated.
1. Seedless b...