The meiosis abnormalities phenomenon in Dendranthema and some of their hybrids were observed, and the formation mechanism also the role which played in the process of phylogenesis were analyzed. 对不同倍数性菊属植物及其部分种间杂种的减数分裂异常现象进行观察统计,并分析其形成机制以及在菊属系统演化中的作用。
An Analysis of Nuclear rDNA ITS Sequence and Phylogenesis of Different Green Algae 不同绿藻核rDNA间隔区ITS的序列和系统发育分析
The Study on Biodiversity and Phylogenesis of Rhizobia Isolated from Trifolium and Medicago 苜蓿、三叶草根瘤菌生物多样性和系统发育地位的研究
Seed dormancy is an adaptation to environmental changes that plants acquire during long-term phylogenesis. 种子休眠是植物在长期系统发育进程中获得的一种适应环境变化的特性。
At the same time, it puts forward that unless molecular data and the achievements in traditional taxonomy are combined to construct the optimal phylogenetic trees will they not help the development of bryophyte molecular phylogenesis. 并提出只有将分子数据和传统分类学取得的研究成果结合起来,构建最合理的系统树,才能更好地推动苔藓分子系统学的发展。
Application of Molecular Biological Technology to Research of Genetic Diversity and Phylogenesis in Rotifer 分子生物学技术在轮虫遗传多样性和系统发生研究中的应用
Toll-like Receptor and Innate Immunity in Phylogenesis Toll样受体与固有免疫的进化
Comparison of Phylogenesis of SARS-CoV and Its Application of Molecular Diagnosis of PCR Techniques SARS病毒的种型变异之比较及其PCR的分子诊断技术应用
The phylogenesis of wen goldfish was further analyzed by using random amplified polymorphic DNA ( RAPD) technique through increasing the number of RAPD loci. 利用随机扩增多态DNA技术,通过增加RAPD位点数进一步分析了文种鱼的系统发育地位。
With the newest developments in molecule biology, using data of big biology molecule especially DNA sequence analysis, play an important role in investigating and revealing the phylogenesis of fungus. 随着分子生物学的发展,利用生物大分子数据,尤其是DNA序列分析,对研究和揭示菌物的系统发育具有重要的意义。
Amplification of 18S rRNA Gene of Babesia orientalis and Study on Its Phylogenesis 东方巴贝斯虫的18SRRNA基因的扩增及系统发育研究
The phylogenetic relationship analysis demonstrated that subgenus Glycine was early separated from subgenus Soja during evolution. The results provided phylogenesis information of Glycine willd in molecular level. 系统进化树分析也表明Glycine亚属与Soja亚属在进化过程中分离较早,这从分子水平上为大豆属的分类研究提供了科学的依据。
And the application of RAPD technique in aquatic commercial animals includes chiefly the detection of polymorphism, classification, identification of species and varieties, genetic relationship, phylogenesis, construction of genetic linkage map and molecular assisted breeding. 主要包括物种基因组DNA多态性的检测、物种及品种的分类与鉴定、亲缘关系及系统发育的分析、遗传图谱的构建和分子标记辅助育种。
RAPD Analysis on Genetic Divergence and Phylogenesis of Gekko gecko from Different Areas 不同地理区域蛤蚧的RAPD分析
DNA is the carrier of genetic information and sequencing and comparison of DNA nucleotides are the thorough and ideal method for bryophyte molecular phylogenesis. DNA是遗传信息的载体,直接对DNA核苷酸排列顺序的分析和比较是研究苔藓分子系统学的最彻底和最理想的方法。
Phylogenesis Analysis of 10 Chinese Indigenous Pig Populations 10个地方猪群体的系统聚类分析
The mutations of L2 proteins changed its hydrophobicity and antigenicity. The research suggested that the mutations of HPV-16 type L2 genes can explain HPV-16 phylogenesis and escaping from immune recognition. 这些突变引起HPV16L2蛋白疏水性和抗原性的改变,提示HPV16L2基因突变可能与HPV16的系统发生以及病毒逃避机体免疫识别有关。
Phylogenesis and Evolution of the Small Heat-Shock Proteins 低分子量热激蛋白的进化研究
Progress of Studies on the Origin and Phylogenesis of Goldfish 金鱼起源和系统演化的研究进展
This paper introduced the structure and characters of ITS, and summarized its applications in identifying insect species and in studying their relative relationships and phylogenesis, evolution and spread, and relations with environment. 鲟鱼类系统进化的研究现状本文描述了ITS序列的结构和特点,总结了其在品系鉴定、亲缘关系和系统发育、物种进化及扩散、昆虫与环境的关系方面的应用。
Haplotype network structure and analysis of molecular variance also supported the phylogenesis. 单倍型网络结构和分子变异等级分析均支持花臭蛙的系统发育。
The phylogenesis classification, origin and evolution of Zingiberaceae are still in dispute, and the morphological identification of this family is very difficult. 姜科的系统分类、起源和进化一直存在争议,形态鉴定比较困难。
Recently, researches on genetic diversity, parentage and phylogenesis et al. have been developed, while reports on functional gene are handful. 最近,在遗传多样性,起源和系统发育等领域有较大发展,而在功能基因研究领域的报道屈指可数。
Constructed phylogenesis tree indicated that this gene exhibited large difference among different species, but was genetically most related to that of human and horse. This indicated that this ceruloplasmin gene was affected to a certain extent by the pressure of artificial selection. 6. 系统进化树分析表明该基因存在较大的种属差异,但与人、马的亲缘关系较近,反映了在-定程度上该基因受到了人工选择压力的影响。
Technique of chromosome micro-dissection and-clone is a bridge connecting classic genetics and cytogenetics, being playing important roles in many fields of biological research, such as genetics, phylogenesis and evolution. 染色体微分离及微克隆技术是连接经典遗传学与细胞遗传学的重要桥梁,在动植物的遗传、发育和进化等各方面研究中正发挥着越来越重要的作用。
Studying the genetic structures and phylogenesis within and among populations through mtDNA molecular marker will resort to protect this species effectively. 利用线粒体DNA分子标记研究红腹锦鸡种内及种间的群体遗传结构和系统发生关系,将对该物种的有效保护起到重要作用。