查询词典 pathogenicity

Here we describe a gene in the plant pathogen Streptomyces turgidiscabies that encodes a NOS homologue, and we reveal its role in nitrating a dipeptide phytotoxin required for plant pathogenicity.

作者描述了植物致病菌Streptomyces turgidiscabies中一种编码NOS同源物的基因并揭示了其在植物致病性中所需的对植物毒素二肽的硝化作用。

Here we describe a gene in the plant pathogen Streptomyces turgidiscabies that encodes a NOS homologue, and we reveal its role in nitrating a dipeptide phytotoxin required for plant pathogenicity.

氮氧化物在哺乳动物的细胞信号作用和免疫响应中发挥重要功能，当基因组测序研究显示细菌同哺乳动物一样也存在&氮氧化物合成酶&时，似乎可以说，氮氧化物在细菌中也可能扮演类似角色。

Complementation assays in planta showed that either the deletion in the lipoprotein domain or in the transmembrane domain did not restore HR induction in tobacco and pathogenicity in rice to the hrcJ mutant.

功能互补结果显示，缺失脂蛋白结构域和跨膜结构域的hrcJ基因均不能恢复hrcJ突变体在烟草上的HR激发能力和在水稻上的致病性。

Through a relaxed selection of 10 passages, the precocious line showed genetically stable in its prepatent time, OPG, and as well as its pathogenicity.

对选育的早熟系进行放松选择传代10次，其潜隐期、OPG、致病性均保持了早熟系的特征。

Objective To investigate the potential pathogenicity of Mycoplasma penetrans (M. penetrans), and to study nitric oxide production and cell prolification in lipid-associated membrane proteins-stimulated mouse macrophages.

目的 检测穿透支原体脂质相关膜蛋白能否诱导小鼠巨噬细胞产生一氧化氮及其对细胞增殖的影响，以了解穿透支原体潜在的致病性。

Thirty Sclerotinia strains were collected and the biological characteristics as well as their pathogenicity were tested.

将供试的30个核盘菌菌株进行菌丝生长速度、菌核产量等生物学特性和致病力的测定，结果表明核盘菌S。

At present, many developed countries have gained substantial insight about the ecology, epidemiology and pathogenicity of Campylobacters. However, suck kind of work was seldomly carried out in China.

目前许多发达国家已建立起完善的监测和控制体系，并对该菌进行了较为深入的研究，而我国在这方面的研究相对滞后，调查报道较少。

Vitelline antibody has significant dissolving and weakening effect on sparozoite, but it has no effect on the speed of sporation of E. tenella, and pathogenicity of sporulated oocysts.

tenella的子孢子具有明显的溶解和致弱作用，但对卵囊的孢子化速率和孢子化球虫卵囊的致病性没有明显影响。

Venturia inaequalis ; Reaction type ; Pathogenicity differentiation

苹果黑星病菌；反应型；致病力分化

As an important colonization factor, TcpA fimbriae are closely related to the pathogenicity of Vibrio cholerae and the epidemic of cholera.

TcpA菌毛作为重要的粘附定居因子与霍乱弧菌的致病性和霍乱流行密切相关。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。