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Expressed genes and their new alleles identification during fibre elongation reveal the genetic factors underlying improvements of fibre length in cotton
棉花 纤维伸长 表达基因簇
2024/4/16
本研究对亲本海7124、中棉所36及47个子代纤维发育5，10和15天的转录组数据分析，鉴定到35420个表达基因，构建了纤维伸长相关动态表达调控网络，其中10366个表达基因在子代中产生新等位基因（ENAs）；进一步鉴定到7个时空特异调控表达基因簇，差异表达分析筛选到105个候选基因，包含15个新等位基因。CRISPR-cas9系统敲除GhMAH1使纤维显著变短。本研究为解析陆海群体纤维长度变异...
GhAlaRP, a cotton alanine rich protein gene,involves in fiber elongation process
艾克曼棉 斯蒂芬氏棉 陆地棉野生种 基因组 结构变异
2024/4/16
本研究对艾克曼棉、斯蒂芬氏棉和一个陆地棉野生种系进行测序，解析了棉花多倍化及适应性进化过程中广泛存在的基因组结构变异，阐述了棉花生物多样性和棉花驯化的遗传基础；发现编码磷酸肽结合蛋白的基因结构变异可能与棉花纤维长度调控有关，烯酰辅酶Aδ异构酶3和RAP2-7可通过调节植物激素提高棉花非生物胁迫耐受性。研究结果揭示了棉花多倍化过程中的适应性进化机制，为棉花抗性和纤维品质遗传改良提供了宝贵的遗传材料。
Genetic variation in MYB5_A12 is associated with fibre initiation and elongation in tetraploid cotton
MYB5_A12 陆地棉 纤维起始 纤维伸长 表达水平 海岛棉
2024/5/17
本研究发现MYB5_A12在陆地棉（SG747）纤维起始及伸长早期的表达水平显著低于海岛棉（GZ75）；通过QTL共定位分析发现，海岛棉GbMYB5_A12的等位基因型与纤维长度（FL）、纤维强度（FS）和衣分（LP）等性状显著正相关，其启动子区的顺式作用元件TFmatrixID_0063 (GATGTTGT)的自然变异可能导致海陆等位基因差异表达；通过酵母单杂及双荧光素酶报告基因实验验证了RAV...
Basal internode elongation of rice as affected by light intensity and leaf area
Internode elongation Leaf area index Light intensity Light quality R/FR
2023/4/21
Short basal internodes are important for lodging resistance of rice (Oryza sativa L.). Several canopy indices affect the elongation of basal internodes, but uncertainty as to the key factors determini...
The integration of ACS2-generated ACC with GH3-mediated IAA homeostasis in NaCl-stressed primary root elongation of Arabidopsis seedlings
ACS2 ACC IAAconjugation NaCl Rootgrowth
2024/3/5
Plant root growth is controlled by auxin (IAA) and ethylene. The appropriate IAA concentration is regulated by many events, such as IAA biosynthesis, conjugation, and degradation. The levels of ethyle...
Rapamycin Inhibits Expression of Elongation of Very-long-chain Fatty Acids 1 and Synthesis of Docosahexaenoic Acid in Bovine Mammary Epithelial Cells
Bovine Mammary Epithelial Cells Mammalian Target of Rapamycin Complex
2016/11/10
Mammalian target of rapamycin complex 1 (mTORC1) is a central regulator of cell growth and metabolism and is sufficient to induce specific metabolic processes, including de novo lipid biosynthesis. El...
Evaluation of kernel elongation ratio and aroma association in global popular aromatic rice cultivars in tropical environment
Aromatic rice kernel elongation ratio aroma kernel elongation ratio and aroma association
2011/1/11
Aroma and cooked kernel elongation are the most important quality traits of aromatic rice, which differentiate the highly valued aromatic rice from the other rice types. Previous studies on genetic an...
Efficient Transgene Expression in Chrysanthemum, Chrysanthemum morifolium Ramat.,with the Promoter of a Gene for Tobacco Elongation Factor 1 a Protein
Agrobacterium tissue culture transformation ornamental plants
2009/9/9
We investigated the usefulness of the promoter of a gene for tobacco elongation factor 1α protein (EF1 α) for transgene expression in the chrysanthemum (Chrysanthemum morifolium Ramat.). The EF1 α pro...
The Annual Rhizome Elongation and Its Growth Pattern in Phyllostachys pubescens
annual growth internode length Phyllostachys pubescens rhizome root system
2009/8/24
Rhizome expansion system of bamboo (Phyllostachys pubescens) was investigated in a northwest part of Gifu Prefecture. Growth pattern was observed by measuring annual rhizome elongation in 10 m×10 m st...
Studies on Internode Elongation in Soybean Plants:I. Internode elongation patterns of the main stem in four late soybean cultivars
Elongation pattern Internode Internode elongation Leaf emergence Soybean Synchronism Synchronization in elongation
2009/8/6
Control of internode elongation is important to avoid seed yield reduction caused by the lodging and competition for photosynthate between stem and pods after flowering in soybean (Glycine max Merr.)....
Changes in Elongation Force, Stem Thickness and Evolution of Ethylene accompanied with Growth of Soybean Seedlings
Elongation force Emergence Ethylene Hypocotyl Soybean seedlings
2009/8/6
Using an unbonded strain gauge transducer (1kg) and a null balancing recorder, the vertical elongation force (Ef) or lifting force of 1-, 3- and 5-cm tall soybean seedlings (cv: Akisengoku and Fukuyu...
Effect of Different Temperatures Given to the Culm-Base of Rice Plant on the Emergence and Elongation of its Tiller under Controlled Environment
Culm-base Environment Oraza satiba Plant type Synchronously emerging tiller
2009/8/5
The emergence and elongation of the tiller buds of rice plants are greatly affected by the environmental temperature, especially by the temperature around the culm-bases where the tillers differentiat...
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 ...
Studies on Internode Elongation in Soybean Plants:III. Effects of gibberellic acid on internode elongation
Chemical control Gibberellic acid (GA3) Control of elongation Growth regulator Internode elongation Soybean
2009/8/5
In order to obtain fundamental information on the chemical control of plant structure in soybean (Glycine Max Merr. cv. Fukuyutaka), the effects of gibberellic acid (GA3) on the internode elongation w...
Role of the Leaf Sheath in Elongation of the Internodes of Rice Plants
Gibberellin Leaf sheath Plant growth regulators Rice Stem elongation
2009/8/4
The main aim of this paper is to present how the leaf sheath concerns internode elongation in rice, using the japonica cultivar Sasanishiki. Leaf sheaths were removed at the begining of the rapid elon...