Polyploidy相关论文
Tetraploid fish are important for mass production of triploids in polyploid breeding.In this study,we reported a novel p......
Lycophytes and seed plants constitute the typical vascular plants. Lycophytes have been thought to have no paleo-polyplo......
Gene loss following whole genome duplication (WGD) is often biased,with one subgenome retaining more ancestral genes and......
Seed development in angiosperms requires a 2∶1 matal-to-patal genome ratio (2m∶1p) in the endosperm.When the ratio is ......
Magnitude of modulation of gene expression in aneuploid maize depends on the extent of genomic imbal
Aneuploidy has profound effects on an organism,typically more so than polyploidy,and the basis of this contrast is not f......
Development of chromatographic fingerprint for quality analysis of diploid and tetraploid Lonicera j
OBJECFIVE:To develop the chromatographic fingerprint of Lonicera japonica (L.japonica) and evaluate the effects of polyp......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The coexistence of hermaphroditic and dioecious plants is associated with polyploidy and gender dimo
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Through advances in technology, the genetic basis of cancer has been investigated at the genomic level, and many fundame......
An ancient genome duplication (PPP 1) that predates divergence ofthe cereals has recently been recognihere another poten......
Genomic and genie sequence variation in synthetic hexaploid wheat(AABBDD)as compared to their parent
In order to understand the genomic changes during the evolution of hexaploid wheat,two sets of synthetic hexaploid wheat......
Morphology, distribution, and chromosome counts of two varieties of Hedychium villosum (Zingiberacea
Polyploidy is a major mechanism of adaptation and speciation in plants. Two varieties of Hedychium villosum, var. villos......
目的:建立多倍体肿瘤细胞,研究其增殖、分裂和药物敏感性。方法:将鼠纤维肉瘤细胞株Meth-A经270 nmol/L秋水仙碱、800nmol/L K-252......
试验采用秋水仙素处理紫珠的种子和幼苗茎尖生长点以诱导四倍体紫珠植株,并对秋水仙素的诱导时间和浓度进行了探讨,对诱导对象采用......
多倍体化在高等生物进化中发挥重要的作用。作为一种基因组压力,它在生物体上产生短期效应和长期效应,表现为基因组结构的不稳定性......
从遗传控制、环境影响、倍性影响、激素水平和矿物质调控以及无孢子起始细胞出现的时间和位置5个方面综述了影响植物无融合生殖胚......
鲫鱼是我国分布广泛的常见经济鱼类，在我国各地广泛养殖，养殖效益较好。其营养价值高、味道鲜美，从而广受消费者喜爱。研究发现鲫鱼是......
为了获得大果、质优的多倍体品种,以猕猴桃‘琼露’无菌苗叶柄为材料,分别利用抽滤灭菌的0.05%、0.10%的秋水仙素溶液浸泡3、4、5 ......
多倍体化后经常出现一些新的表型；但是，大量的表型变异发生的原因一直不清楚。最近人们对拟南芥菜、棉花、小麦、油菜等人工合成四倍......
以4份同源四倍体水稻和4份相应的二倍体水稻为研究材料，对其种子内清、球蛋白（清蛋白和球蛋白）、醇溶蛋白和谷蛋白的含量进行了测定，利......
[目的]研究紫穗槐（Amorpha fruticosa L.）多倍体诱导的最优条件。[方法]选取秋水仙素浓度、光照时间和根尖长度3个因素,每个因素3个......
采用秋水仙碱对美丽胡枝子的种子和茎尖进行了多倍体诱导。研究结果表明，诱导种子和茎尖均能获得多倍体，但以茎尖加倍效果较好，以φ=0......
采用种子浸泡法和根状茎顶芽滴液法进行白魔芋多倍体诱导，比较了不同秋水仙素浓度和不同处理时间对出苗率和变异率的影响。结果表明......
Based on the data collected on chromosome number of 1027 species and ecological environment of plants,the relationships ......
通过组培方法从374粒椪柑种子培养中获得449株小苗.利用流式细胞仪进行染色体倍性分析,发现其中7株小苗为四倍体植株.采用13对SSR......
以百合两个杂交组合，‘Brunello’בYellow Jiant’和‘Prato’×Lilium pumilum的亲本和杂交后代为试材，从染色体和DNA两......
对不同倍性及其非整倍体韭Allium tuberosum和野韭Allium ramosum核糖体DNA的内部转录区(ITS)进行了PCR扩增和克隆,并测定10个ITS1......
对来自江西省新干县三湖镇绵枣儿(Scilla scilloides)多倍体复合体两个居群263个植株进行了细胞学调查,发现4个整倍体细胞型,即BB......
以尾巨桉无性系DH3229组培苗的腋芽为处理材料,研究摇床、渗透剂、秋水仙素浓度和处理时间对该腋芽多倍体诱导效果的影响。结果表......
以二倍体、四倍体、八倍体蓝靛果组培苗及大田苗为试材,测定分析了蓝靛果植物学性状及叶片的生理活性成分含量差异,以期为早期选择......
基于2n配子育种在马铃薯、苜蓿、鸭趾草、红三叶草、越桔、辣椒、百合等作物育种实践中的应用，梳理了其应用具有的创造新的变异、转......
为探索杜鹃花亚属内异种杂交的可育性及其规律,对杜鹃亚属有鳞大花亚组(subsect.Maddenia)、三花杜鹃亚组(subsect.Triflora)、亮......
为探究温度骤变是否会诱导大蒜鳞茎根尖产生微核,采用控制变量法进行研究.结果表明：温度骤变确实可以诱导大蒜鳞茎根尖产生微核,并......
植物杂交和多倍化能导致基因组结构发生变化，并显著影响了基因表达，因此认为杂交和多倍化是促进植物进化的一个重要力量。近些年大量......
