Polyploidy相关论文
Mosses (Bryophyta) are a key group occupying an important phylogenetic position in land plant(embryophyte) evolution.The......
Differential evolutionary rates revealed shared polyploidy before taxon divergence between G.max and
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No information is available on segregation analysis of DNA markers involving both pollen and self-progeny.Therefore,we u......
Recent advances in sequencing technologies bring us a deluge of genomes during the past few years, providing cost and ti......
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Plastic glutamine synthetase(GS2)is a key enzyme responsible for the first step of ammonium assimilation.Although GS2 fu......
We seek to compare diversification patterns between the tropical and temperate regions using the Athyrium-Diplazium clad......
Polyploidy (whole genomic duplication) has played a significant role in the evolutionary history of all eukaryotes, ......
Vitellogenesis,a hormonally-regulated process for the synthesis of yolk proteins by the fat body or liver and their ......
Immediate Changes in Karyotype Associated with Nascent Plant Polyploidy and Their Evolutionary Relev
One of the breakthrough findings in plant sciences with the advent of genomics is that all higherplants are derived from......
Heterosis or hybrid vigor describes the development of superior traits in progeny from crosses between two different spe......
Bread wheat is one of the most important crops in the world that together with rice and maize provide the bulk of nutrit......
Tetraploid fish are important for mass production of triploids in polyploid breeding.In this study,we reported a novel p......
性二态是性别分离植物的常见性状,对植物的雌性和雄性功能可能产生不同的影响.本文以青藏高原特有植物银露梅(Dasiphora glabra)为......
Exploring the reticulate evolution in the Asplenium pekinense complex and the A.varians complex(Aspl
The Asplenium pekinense complex mainly comprises one diploid,A.sarelii Hook.(rare),one autotetraploid,A.pekinense Hance(......
Regain of sex determination system and sexual reproduction ability in a synthetic octoploid male fis
Polyploids in vertebrates are generally associated with unisexual reproduction,but the direct consequences of polyploidy......
Lycophytes and seed plants constitute the typical vascular plants. Lycophytes have been thought to have no paleo-polyplo......
为了发现枣树的多倍体种质, 从而为枣树多倍体育种提供材料, 本研究利用流式细胞仪对河北沧县国家枣树良种基地的580份种质资源进......
,An Epigenetic Role for Disrupted Paternal Gene Expression in Postzygotic Seed Abortion in Arabidops
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,Genome Alignment Spanning Major Poaceae Lineages Reveals Heterogeneous Evolutionary Rates and Alter
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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......
Morphological, cytological and molecular analyses of a synthetic hexaploid derived from an interspec
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......
Divergence in homoeolog expression of the grain length-associated gene GASR7 during wheat allohexapl
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......
Polyploidy plays a major role in genome evolution,which corresponds to environmental changes over millions of years.The ......
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......
The selection of drought-tolerant plants is an important aspect of plant breeding. We studied physio-logical and biochem......
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......
应用显微分光光度技术测定的稻胚发育过程中核ＤＮＡ含量的结构表明，球形胚中细胞核ＤＮＡ含量较高，多倍性明显，Ｃ值较集中在６－１２Ｃ，个别的最高达２３８或４３９Ｃ，它们可能......
以28份四倍体糯稻材料,对其种子的千粒重进行了考察,以期为多倍体水稻(Oryza sativa L.)育种提供参考。结果表明,四倍体糯稻千粒重......
甜菜雄性不育多倍体新品种吉Ｔａｏ３０１以雄性不育系７３５ＭＳ系统的３个不育系６５Ａ、６６Ａ、７５／６８Ａ为母本，四倍体品系甜研４０１为父本杂交育成，其三倍体率接近１００％，不育率稳定在９４．４％以上......
主要介绍了甘蔗基因组起源、染色体组成，基因组多倍化遗传机制，基因组多倍化的优点：降低基因进化选择的压力、促进优良性状的固定、提......
介绍了一种酿酒酵母多倍体系列菌株的构建和快速筛选的方法，即利用HO基因表达使酿酒酵母菌株交配型发生转变，通过相应菌株间的杂交构......
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......
染色体加倍的试验结果表明,金线莲在秋水仙素浓度为300 mg/L（含有2%DMSO）时,茎节相对于顶芽受到更明显的抑制作用。随着处理时间的延......
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......
