搜索结果: 1-15 共查到“Genetic”相关记录1195条 . 查询时间(0.421 秒)
南京农业大学农学院《The Plant Cell》发表宋庆鑫教授团队“Integrative omics analysis elucidates the genetic basis underlying seed weight and oil content in soybean”（图）
宋庆鑫 遗传 基因 解析
2024/6/11
大豆是世界上最重要的油料作物之一，也是豆制食品加工业的重要原料。解析大豆产量和品质调控的遗传机制和关键基因，对于通过分子设计育种培育高产优质大豆新品种具有重要意义。大豆产量和品质相关农艺性状大部分是复杂性状，受一因多效和遗传连锁的影响，性状间呈现耦合性相关。挖掘协同调控产量和品质相关性状的关键基因和解析重要农艺性状耦合的遗传网络，可以为培育高产优质大豆品种提供重要理论基础。以往的研究往往针对大豆单...
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...
湖南杂交水稻研究中心论著：《Methodology of Genetic Purification in Hybrid Rice》（图）
湖南 杂交水稻 研究中心 《Methodology of Genetic Purification in Hybrid Rice》
2023/6/6
《Methodology of Genetic Purification in Hybrid Rice》（英文），彭既明、袁隆平著，中国科学技术出版社2007年4月出版。本书分析了三系、两系杂交水稻退化的原因，提出了三系、两系亲本提纯的具体方法，对解决东南亚国家在杂交水稻研发、推广中出现的纯度问题有指导作用。可供具有一定英文水平的农业科研院所、大专院校、种子生产经营、农技推广与国际合作研究的相关人...
Anew genetic variant that protects against Alzheimer’s disease has been identified by an international team led by Harvard Medical School investigators at Massachusetts General Hospital and Massachuse...
Scientists discover a new way of sharing genetic information in a common ocean microbe（图）
海洋微生物 共享 遗传信息 原绿球菌 光合生物 基因转移
2023/6/21
From the tropics to the poles, from the sea surface to hundreds of feet below, the world’s oceans are teeming with one of the tiniest of organisms: a type of bacteria called Prochlorococcus, which des...
Genome-wide association study of pericarp color in rice using different germplasm and phenotyping methods reveals different genetic architectures
rice pericarp color quantitative trait locus candidate gene genome-wide association study
2023/4/21
Pericarp colors (PC) in rice are determined by the types and content of flavonoids in the pericarp. The flavonoid compounds have strong antioxidant activities and are beneficial to human health. Howev...
Genetic and Molecular Factors Determining Grain Weight in Rice
rice grain weight grain size regulatory mechanisms molecular biotechnology
2023/4/21
Grain weight is one of the major factors determining single plant yield production of rice and other cereal crops. Research has begun to reveal the regulatory mechanisms underlying grain weight as wel...
于典司（2021）Genetic diversity and population structure of popcorn germplasm resources using genome-wide SNPs through genotyping-by-sequencing （图）
爆米花 遗传多样性 SNP 爆裂玉米
2023/2/27
上海市农业科学院作物育种栽培研究所玉米研究中心郑洪建团队在Genetic Resources and Crop Evolution发表了题为“Genetic diversity and population structure of popcorn germplasm resources using genome-wide SNPs through genotyping-by-sequencing...
于典司（2021）Genome-wide Comparative Analysis of Genetic Diversity of Regular and Specialty Maize Germplasms through Genotyping by Target Sequencing (GBTS) （图）
特用玉米 玉米种质 全基因组 GBTS
2023/2/27
上海市农业科学院作物育种栽培研究所玉米研究中心郑洪建团队在Plant Molecular Biology Reporter发表了题为“Genome-wide Comparative Analysis of Genetic Diversity of Regular and Specialty Maize Germplasms through Genotyping by Target Sequenci...
Ateam of researchers led by Harvard and Broad Institute scientists has developed a new drug-delivery system using engineered DNA-free virus-like particles (eVLPs) that is able to edit genes associated...
Imagine a ball thrown in the air: It curves up, then down, tracing an arc to a point on the ground some distance away. The path of the ball can be described with a simple mathematical equation, and if...
The cost of DNA sequencing has plummeted at a rate faster than Moore’s Law, opening large markets in the sequencing space. Genomics for cancer care alone is predicted to hit $23 billion by 2025, but s...
Genome-wide quantitative trait loci reveal the genetic basis of cotton fiber quality and yield-related traits in a G.hirsutum recombinant inbred line population
0-153 sGK9708 棉花产量 品质性状
2024/5/17
利用0-153和sGK9708为亲本构建的RIL群体为材料，通过全基因组QTL挖掘明确了棉花产量及品质性状的相关性及其与QTL簇加性效应方向的关系，初步揭示了棉花产量纤维品质性状负相关形成的遗传基础，为进一步利用标记辅助选择、基因组编辑等技术同步改良棉花纤维品质和产量提供了重要的基因资源和位点信息。该研究以0-153*SGK9708为亲本构建的含有196个重组自交系群体为材料，在黄河流域及西北内陆...
Genomic analyses reveal the genetic basis of early maturity and identification of loci and candidate genes in upland cotton (Gossypium hirsutum L.)
陆地棉 全基因组 重测序方法 SNP变异图谱
2024/5/17
本研究利用收集的436份国内外变异广泛的陆地棉材料，采用全基因组重测序方法，构建了群体的SNP变异图谱，通过对包含136份早熟棉资源在内的356份陆地棉材料进行深度重测序，并结合公共数据库中的80份陆地棉材料共获得了10,118,884个高质量的SNPs。利用全基因组关联分析（GWAS）鉴定到控制陆地棉早熟性的307个显著遗传位点和重要调控基因。两个早熟遗传热点区域位于 D03和A05&...
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...