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A Retrotransposon Insertion in GhMML3_D12 Is Likely Responsible for the Lintless Locus li 3 of Tetraploid
图位克隆 棉花纤维 起始基因 Li3
2024/5/17
20
论文简介：利用无纤维突变体，通过图位克隆了纤维起始基因Li3，该基因是位于染色体D12（GhMML3_D12）上的R2R3-MYB转录因子。借助序列分析和遗传分析，发现li3是一个功能缺失的等位基因，和N3是一对具有加性效应的同源突变体，对纤维(绒或棉)的起始具有加性作用。这些发现为影响棉花纤维起始的遗传因素提供了新的信息。
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...
Isolation of diploid and tetraploid cytotypes from mixoploids based on adventitious bud regeneration in Populus
Adventitious bud Colchicine Mixoploid Populus Tetraploid
2024/2/27
Somatic chromosome doubling usually results in the production of mixoploids, which are difficult to use in breeding programs. In this study, we developed a method to isolate diploid and tetraploid cyt...
Morphological variability between diploid and tetraploid taxa of the genus Betula L. in the Czech Republic
silver birch downy birch ploidy flow cytometry classification function
2018/3/6
The aim of this work was to suggest a reliable method for distinguishing between diploid and tetraploid taxa of the
genus Betula Linnaeus, based on leaf measurements. In total, 97 individuals from 6 ...
Production of Tetraploid Plants of Trollius chinensis Bunge Induced by Colchicine
morphological cytological and fertility characteristics polyploidy induction Trollius chinensis
2016/4/5
Trollius chinensis Bunge is one of the important ornamental and medicinal plants cultivated in China. In this
study, the tetraploid plants of Trollius chinensis were successfully induced by colchici...
Dihaploid induction in tetraploid durum wheat (Triticum durum L.) using pollen of Imperata cylindrica
2,4-dichlorophenoxyacetic acid (2,4-D) haploid induction pseudoseed formation wide hybridization
2015/12/29
Doubled haploidy breeding protocols have revolutionized the varietal development programmes in bread wheat, however, the protocols have not proved much efficient in durum wheat. Presently, the durum w...
Performance of tetraploid alfalfa genotypes as exposed to aluminum toxicity
Alfalfa Aluminum Toxicity Genotypes Nutrient Solution Selection
2013/2/28
A study was carried out to evaluate the development of 12 tetraploid alfalfa cultivars exposed to Al toxicity in nutrient solution. Newly germinated seedlings of cultivars Alfa 200, Alto, Araucana, Co...
Variation of High Molecular Weight Glutenin Subunits in Two Neglected Tetraploid Wheat Subspecies
tetraploid wheat seed storage proteins genetic diversity electrophoresis
2014/3/11
The genetic diversity of 140 accessions of triticum turgidum ssp. carthlicum Nevski em. A. Löve &
D. Löve and 159 accessions of t. turgidum ssp. polonicum L. em. Thell. was evaluated by th...
Relationship between Weight of Seeds and Ploidy Level of the Seed-Derived Plantlets Obtained by the Reciprocal Crosses between ‘Banpeiyu’ pummelo and Tetraploid Citrus Species
pummelo Citrus Species Weight of Seeds Level
2009/7/13
Relationship between weight of seeds and ploidy level of the seed-derived plantlets obtained from reciprocal crosses between diploid ‘Banpeiyu’ pummelo and two tetraploid varieties were examined to ef...
Induction of Tetraploid in Loquat with Amiprofos-methyl and Colchicine
Loquat Induction Colchicine young roots
2009/7/13
This experiment was conducted to artificially induce loquat tetraploids by applying amiprofos-methyl (APM) and colchicine for chromosome doubling agents to diploid loquat shoot apex.
Germinated shoot...
Effect of Colchicine and Oryzalin Treatments on Tetraploid Production of Nucellar Embryos in Meiwa Kumquat (Fortunella crassifolia Swingle)
Colchicine Oryzalin Treatments Tetraploid Production Nucellar Embryos
2009/7/13
In vitro chromosome doubling of nucellar embryos was investigated in Meiwa kumquat (Fortunella crassifolia Swingle). Nucellar embryos were aseptically treated with two antimitotic agents, colchicine a...
Production of Triploids and Breeding Seedless Cultivar ‘Tokushima 3X No.1’ from Tetraploid × Diploid Crosses in Sudachi (Citrus sudachi Shirai)
Tetraploid Diploid Production
2009/7/10
To obtain the seedless sudachi of a triploid, 297 flowers were crossed between tetraploid sudachi and diploid sudachi, and 50 triploids were established in 1992. Flowcytometer was used for selection o...
Development of Tetraploid Chinese Lantern (Physalis alkekengi L.var.franchetii Makino) and its Characteristics
chromosome doubling colchicine polyploid
2009/7/8
In vitro chromosome doubling of Chinese lantern (Physalis alkekengi L. var. franchetii Makino) was studied and characteristics of the obtained tetraploids were clarified. The tetraploids could be obta...
Effects of Chilling Exposure and Chemicals on Breaking Bud Dormancy in Seven Tetraploid Grape Cultivars
CaCN2 diallyl disulfide grapevine H2CN2
2009/7/7
Seven potted dormant tetraploid grapevine cultivars grown under forced conditions were treated immediately after pruning with the supernatants of a 20% suspension of CaCN2, 2% H2CN2 and 5% diallyl dis...
Induced Tetraploid by Colchicine Treatment in some Monoembryonic Citrus Cultivars and Triploidy Production by Using the Tetraploid as Seed Parents
breeding chromosome doubling grafting polyploidy seedless
2009/7/6
We carried out colchicine treatment of lateral buds and their grafting in some monoembryonic citrus cultivars to induce tetraploid plants. Among the grafted plants, 19 eutetraploid plants were obtaine...