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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...
Identification of candidate genes for key fibre-related QTLs and derivation of favourable alleles in Gossypium hirsutum recombinant inbred lines with G. barbadense introgressions
海岛棉 基因组组分 遗传作图群体
2024/5/17
该研究以渗入了海岛棉基因组组分的优质种质鲁原343为亲本，构建了包含239个重组自交系的遗传作图群体，利用SLAF标签构建了高密度遗传图谱，结合7个环境的表型数据，共鉴定104个纤维品质和产量性状QTLs，其中66个QTL共定位于19个QTL簇中。该研究团队通过进一步对鲁原343进行全基因组深度测序，解析鲁原343的遗传组成及其对纤维相关性状的遗传贡献，发现来自G. hirsutum races（...
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...
ARTIFICIAL HYPOPLASIA OF COTTON BOLL AND ITS INFLUENCE ON COTTON FIBRE MICROSTRUCTURE
Gossypium hirsutum Gossypium barbadense
2010/9/26
A study was carried out in the Department of Cotton Physics, Institute of Electronics, Uzbek Academy of Science, Uzbekistan during 2007. The objective was to investigate in-vivo morphology of artifici...
ARTIFICIAL HYPOPLASIA OF COTTON BOLL AND ITS INFLUENCE ON COTTON FIBRE MICROSTRUCTURE
Gossypium hirsutum Gossypium barbadense
2010/9/26
A study was carried out in the Department of Cotton Physics, Institute of Electronics, Uzbek Academy of Science, Uzbekistan during 2007. The objective was to investigate in-vivo morphology of artifici...
A Correlation and Path Coefficient Analysis of Components in G. hirsutum L. Hybrids by Usual and Fibre Quality Grouping
Cotton correlation coefficient direct and indirect effects fibre quality
2009/1/12
Improvement in fibre length is important for the textile industry in utilising high speed yarn spinning technology and in expanding the array of yarn products. High tensile strength fibre is needed f...
Genetic Studies of Combining Ability Estimates for Seed Oil, Seed Protein and Fibre Quality Traits in Upland Cotton (G. Hirsutum L.)
Combining ability fibre quality characters seed cotton yield seed oil and seed protein content
2010/11/12
An investigation was taken up to explore the possibility of transferring the genes responsible
for seed oil content in cotton through intra-hirsutum crosses. The inheritance of seed oil, seed protein...
Effects of replacing different proportions of barley grain by barley fibre on performance of dairy bulls
Beef production dairy-breed bulls total mixed ration barley fibre by-productsa
2010/8/9
The objective of the present experiment was to study the effects of partial replacement of barley grain with barley fibre (BF) on animal performance, carcass traits and diet digestibility of growing d...
Hygienic quality of stem fractions of mechanically processed fibre hemp and linseed
hygienic quality microbes ash bast fibres linseed fibre hemp Linum usitatissimum Cannabis sativa
2010/8/11
Bast fibre is the most important fraction of bast fibre plants for technical products, i.e. thermal insulations and packaging materials. The hygienic quality of the various fractions of bast fibre pla...
Reed canary grass observations of effects on crop stand and fibre quality caused by infestation of Epicalamus phalaridis
Epicalamus phalaridis gall midge Cecidomyiidae Phalaris arundinacea fibre plants shoots harvesting time fertilizers pulps fibre quality,
2010/8/13
A severe infestation of the gall midge Epicalamus phalaridis (Diptera: Cecidomyiidae)occurred in a field of reed canary grass, Phalaris arundinacea in northern Sweden. The midge species has potential ...