多型性

Polymorphism of 20 Lactobacillus strains isolated from sourdough samples used for steamed bread in China was studied using AFLP technique in order to understand their polymorphism and types.

乳酸菌是酸面团发酵的主要细菌，它对面团的质量、营养有非常重要的作用，利用AFLP技术对分离自酸面团中的20株乳酸菌进行了研究，以期了解其中乳酸菌的多态性及其分型。

The genic polymorphism is that there are two or more genotypes in the same locus of chromosome in the group of random mating. It is an important factor to determine the susceptivity of desease, the diversity of clinical symptom and the reaction of medication.

所谓基因多态性是指在一随机婚配的群体中，染色体同一基因座位点上有两种或两种以上的基因型，它是决定人体对疾病易感性、临床表现多样性及药物治疗反应差异性的重要因素。

The pig major histocompatibility complex class Ⅱ antigens have been known to exhibit a different degree of allelic polymorphism.

重点介绍了SLAⅡ类基因的RFLP基因分型及其多态性研究。

Pupal DNA of Antheraea yamamai, which had been irradiated by using He-Ne laser, was analyzed by RAPD. The results were that special bands increased, genetic distance became wider and DNA polymorphisms were related with GC content.

对He-Ne激光辐照天蚕卵的当代蛹进行RAPD分析结果显示：辐射区内独特带型增多，遗传差距增大，其DNA多态性与GC含量有关。

This study was aimed to ascertain the relationship between the distribution of glutathione S-transferaseM1 and T1 gene polymorphism related to the ris k of bladder cancer development and the medical surveillance for the bladder cancer high risk population exposed to benzidine.

研究旨在探讨与膀胱癌发生危险有关的谷胱甘肽S-转移酶M1和T1基因型的多态性的分布与有联苯胺接触的膀胱癌高危人群医学监护结果的关系。

Study on glutenin subunits,GMP content and their relationships with(T.aestivum L.)With the analysis of high and low glutenin subunits of common wheat(Triticum aestivum L.)in China,the correlations between glutenin compositions,glutenin macropolymercontentand breadmaking quality were studied.Also a rapid and efficient detection method of geneticpolymorphism at Glu-D1y loci in wheat was established using polymerase chain reaction.

分析了100份小麦农家品种和241份育成品种的高、低分子量谷蛋白亚基的组成以及有关的品质性状，研究了高分子量谷蛋白亚基频率的变化，用单向一步SDS-PAGE的方法分离LMW-GS，并对我国小麦品种进行初步分类；在亚基水平上研究了不同的亚基或亚基组合对品质性状的影响；在聚合体水平上研究了谷蛋白大聚合体的含量与其他烘烤品质性状的相关性及其在面包体积预测中所起的作用；在基因水平上利用PCR技术研究了1D染色体上控制y-型谷蛋白亚基的Glu-Dly位点基因的多态性。

TaqIB polymorphism possibly contributed to cerebrocardiac vascular disease.The accidents of cardiovascular disease in B1B1 type was the highest in three genotypes while the accidents of cerebrovascular disease in B1B2 type was the highest.B2 allel gene has probably protective effect on cerebrocardiac artery.

TaqIB基因多态性与心脑血管事件发生可能有关，B1B1型心血管事件发生率较高，B1B2型脑血管事件发生率较高，B2B2型心脑血管事件发生率均较低，B2等位基因可能具有心脑血管保护作用。

C. hytivus exhibited the typical hybrid dimeric banding pattern. The difference in band intensity between C.

新种的AAT酶谱在两个多态性位点表现了典型的杂种二聚体谱型。

With this modified method the genetic polymorphisms of HLA-DRB1 gene were examined in five populations, Lahu, Naxi, Pumi, Yao and Drung ethnic groups, from Yunnan Province of South China.

本文首先对HLA-DRB1基因的分型方法，PCR-SBT方法进行了改进研究，然后应用该方法对中国云南拉祜族、纳西族、瑶族、普米族和独龙族等五个民族进行了HLA-DRB1基因的多态性研究。

Objective Molecular typing 12 strains of the Salmonella enteritidis isolated from different origins.

内容摘要：肠炎沙门菌；随机扩增多态性DNA；分型摘要：目的对不同来源的12株肠炎沙门菌分离株进行分子分

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。