Truth is, oral bacteria are so species-specific that one can't be considered cleaner than the other, just different. 事实是,口腔里的细菌种类千差万别,你只能说它们各不相同,却不能说谁比谁更干净。
Species-specific secondary antibodies labeled with horseradish peroxidase ( HRP) and alkaline phosphatase ( AP), and spectrally distinct fluorogenic substrates for each enzyme, are used for detection. 用带有不同荧光底物的辣根过氧物酶和碱性磷酸酶标记的种属特异的二抗来检测。
UG is a system of linguistic knowledge and a human species-specific gift which exists in the mind or brain of a normal human being. 普遍语法是一个语言知识体系,是人类特有的天赋,它存在于正常人的头脑中。
The results indicate that the radular teeth of Babylonia species are not species-specific, which disagrees with previous reports. 与其他学者的研究结果不同,本研究未发现东风螺属种类的齿舌具有种特异性。
Laboratory-based surveillance and outbreak investigations were integrated with reports of notifiable infectious diseases to estimate the bacterial species-specific incidence of enteric fever. 实验室监测、暴发调查与法定传染病报告综合一起来估计各种细菌导致的伤寒肠热病的发生率。
Design and Assessment of Species-specific Primer and Probe for Thiobacillus denitrificans 脱氮硫杆菌特异引物/探针的设计和评价
The screening of species-specific DNA probes from medicinal plants is the key step in developing DNA chip for the authentication of Chinese herbal medicines. 而中草药种特异性探针的筛选是中草药基因芯片鉴定技术开发的关健。
Even if containing a species-specific replicon, the plasmids can only be transformed into quantity-limited species or quantity-limited strains of Bifidobacterium. 即使是含有特异复制子的质粒也只能转化有限数量种型甚至有限数量种株的双歧杆菌;
Cloning of a Species-specific Gene Fragment from Cryptosporidium parvum and the Development of Diagnostic PCR Primers 微小隐孢子虫种特异性基因片段的克隆及诊断引物的确定
One task was to understand the habitat requirements of rodent species in order to predict species-specific responses to environmental changes. 我们的任务之一就是了解不同啮齿动物的生境需求,以预测不同物种对环境变化的特异性反应。
The variation of SNP sites is not species-specific among the materials in this study. SNP变化在供试材料中不存在物种特异性。
Methods Species-specific primers were used to amplify the internal transcribed spacer region 2 of rDNA of 22 clinical isolates of Sporothrix schenckii and 12 strains of dematiaceous fungi. 方法对22株申克孢子丝菌和12种12株暗色真菌临床分离株的核糖体DNA(rDNA)内转录间隔区(ITS)进行聚合酶链反应扩增。
But PL-I and PL-II genes are the exceptions, which have clustered in a species-specific manner in the phylogenetic tree. 但PL-I和PL-II基因簇却是例外,它们在基因树上以物种特异的方式聚类。
Methods A pair of species-specific primers were designed from an 23s rDNA sequence of leptospira interrogans from Genbank. 方法从Genbank中选取钩体23Srdna序列,设计一对种特异性引物。
Chemical attraction of fig volatiles to their pollinating fig wasps The species-specific mutualism between figs and pollinating fig wasps is one of the hot topics in coevolution studies. 榕果挥发物对传粉榕小蜂的吸引作用榕树与传粉榕小蜂之间的互惠共生关系是协同进化研究领域中的热点之一。
This study described a semi-nested PCR assay for the detection of bovine and sheep materials in feedstuff. Bovine-or sheep-specific semi-nested PCR primer had been designed for this purpose based on their published species-specific gene and primer's sequences. 根据已发表的牛和羊特异性基因及引物序列,分别设计了1条牛和羊特异性semi-nestedPCR引物,并采用semi-nestedPCR技术对饲料中的牛和羊成分进行了扩增检测。
Each species-specific probe only hybridizes with its target molecules among 11 species of fungi. 9种特异性探针分别与11种真菌标准菌株的PCR扩增产物杂交,结果表明每种探针都具有高度特异性。
Application of species-specific primers to molecular identification of three important Trichogramma species ( Hymenoptera: Trichogrammatidae) in China 诊断引物应用于我国三种重要赤眼蜂分子鉴定的研究
The progress of the study on the sex pheromones in Lasiocampidae in different respects, such as species-specific characteristics of the sex pheromones, its biosynthesis and regulatory mechanism and, its carriers and application in the field were reviewed. 从枯叶蛾科昆虫性信息素所具有的物种特异性、性信息素的生物合成及调控机理和性信息素载体选择及应用现状等方面系统阐述枯叶蛾科昆虫性信息素的研究现状及最新进展。
Eleven isolates of banana Sigatoka leaf spot disease pathogens from Hainan were identified using the polymerase chain reaction ( PCR) method and species-specific primers. 采用种的特异性引物,通过聚合酶链式反应(PCR)方法,对11个海南香蕉褐缘灰斑病菌菌株进行了鉴定。
Screening for Yersinia pestis species-specific probes by PCR fingerprinting PCR指纹图技术筛选鼠疫耶尔森菌种特异性探针的研究
Pattern of use for these resources was analyzed from three vegetation types by examining species-specific niche breadths, overlaps and partitions of resource utilization as well as population sizes. 对于这些资源利用的格局是通过对存在于三种类型植被中蝗虫种的生态位宽度、资源利用的分化和重叠以及每种蝗虫的种群大小来分析的。
Host-specificity genes, which are strain-or species-specific and determine the bacterial host range; 另一类是寄主专一性基因,这类基因具有种属或菌株的专一性,它们决定了细菌的寄主范围;
Objective To screen a species-specific probe of individual bacteria species by PCR fingerprinting, which will facilitate a universal detection system for pathogenic bacteria. 目的利用PCR指纹图技术筛选细菌种特异性探针,探索利用PCR指纹图技术实现病原菌通用检测的可能性。
The species-specific primers were screened by PCR amplifications which template DNA was extracted from soybean meal, sesame meal, peanut shell and chestnut shell individually and using the corresponding genome DNA as positive control, cocoa genome DNA as negative control. 分别以大豆粕、芝麻粕、花生壳及板栗壳DNA为模板,以相应基因组DNA为阳性对照,可可基因组DNA为阴性对照,通过PCR扩增筛选特异的检测引物。
Identification of species-specific genes in the silkworm will provide clues to study biological functions of these genes. 本研究鉴定的家蚕特有基因将为家蚕特有的生理过程及生物特异性研究提供线索。
The hybridization and washing conditions were optimized according to a microarray containing 26 species-specific probes. 根据一种含26条种特异性探针的试验芯片,对芯片的杂交和洗涤条件等进行了摸索,并确立了新的数据分析方法。
Animal behaviour is formed in long-term evolution through natural selection, and has a species-specific feature. 动物的行为是在长期进化过程中通过自然选择形成的,因此具有种的特异性。