They calibrate our immune systems, ward off pathogenic bacteria, even affect our weight.

它们帮助我们调整免疫系统、抵御原菌、甚至还会影响到我们的体重。

Dr Barr wondered if they were actively working with their hosts to keep down the level of pathogenic bugs that might otherwise set up shop in the hosts' mucus membranes.

Barr博士觉得噬菌体许可以帮助寄主降低致菌的数量，防止菌将在寄主的粘膜液中大量繁殖。

Among the more than 35,000 known disease-associated point mutations, the two kinds of mutations that this first base editor can reverse collectively account for about 14 percent or 5,000 or so pathogenic point mutations.

在已知的35000多个疾相关点突变中，这两种第一碱基编辑能逆转的突变共占致点突变的14%5000左右。

It involves an imbalance in the microbes that grow in the vagina, with pathogenic strains beating out healthier bacteria.

这涉及阴道内的失衡，致菌株战胜了更健康的细菌。

It's the rare, pathogenic strains that can cause bloody diarrhea, kidney disease, or death.

导致出血性腹泻、肾亡的是极少数致株。

These changes may increase pathogenic organisms or their activity causing a series of oral infectious diseases such as dental caries or periodontal diseases.

这些改变可能会增加致的数量提高其活性，从而导致诸如龋齿、牙周疾等一系列口腔感染性疾。

A lot of our antibiotics have been around for a long time and the pathogenic bacteria continue to develop resistance to them unless you come up with a continuous supply of new antibiotics.

我们很多抗素已经存在很长时间了，原性细菌持续对它们产抗药性，除非你能不断提供新的抗素。

Beyond their printed dates, ready-to-eat salads, deli meats, and unpasteurized cheeses are more likely to carry pathogenic bacteria that can slip past a smell or taste test.

除了印刷的日期之外，即食色拉、熟食肉类和未经巴氏消毒的奶酪较有可能携带无法在嗅觉味觉测试中被发现的原细菌。

So, treatment of dental caries disease depends on the level of risk, more specifically, reducing the pathogenic risk factors like antibacterial rinses to get rid of bacteria and increasing protective factors like products that mimic saliva.

所以龋齿的治疗是由风险的高低决定的，包括减少致因子，例如用抗菌剂冲洗以去除细菌，增加防护因子，例如使用唾液类似。

For example, Polymerase Chain Reaction or " PCR" tests, aim to replicate those segments of pathogenic DNA from a patient's sample so we have enough segments to detect in a well-equipped laboratory.

例如，聚合酶链式反应简称为 PCR 测试，旨在从患者样本中复制致 DNA 片段，以便我们有足够的片段在装备良好的实验室中进行检测。

Studies such as this are good news, promising an unprecedented rapid route towards novel treatment options for some of the scariest pathogenic threats we currently face.

诸如此类的研究是好消息，有望为我们目前面临的一些最可怕的致威胁提供前所未有的快速治疗方案。

About 330,000 birds in poultry farms have been killed in Kazakhstan due to the highly pathogenic H5N8 bird flu in seven regions across the country.

由于H5N8高致性禽流感在哈萨克斯坦七个地区蔓延，家禽饲养场约33万只家禽感染亡。

U.S. officials recently informed the World Organization for Animal Health about the first reported appearance of highly pathogenic H5N9 bird flu in U.S. poultry.

美国官员最近向世界动卫组织通报了美国家禽中首次发现高致性H5N9禽流感毒的情况。

These kinds of cells need to go crawling around in our bodies in order to find invaders like pathogenic bacteria.

这些细胞在我们身体里四处爬行，以便发现诸如菌这样的入侵者。

The 1918 virus instead could proliferate even in the absence of trypsin, making it more pathogenic than other viruses.

1918年的毒甚至在没有胰蛋白酶的情况下也能增殖，这使得它比其他毒更具致性。

If as scientists have said it has only changed the pathogenic genes of AIDS without changing other genes.

如果说就像科学家说的，它只改变了艾滋的致基因，而没有改变其他基因。

YURKEVICH: The highly pathogenic avian influenza, or avian flu, is largely to blame.

高致性禽流行性感冒（禽流感）很大程度上来讲是罪魁祸首。

They also grew a batch of pathogenic E. coli bacteria, the kind that cause traveler's diarrhea.

他们还培养了一批致性大肠杆菌，这是导致旅行者腹泻的一种细菌。

A microorganism can be pathogenic, or not.

可以是致的，也可以不是。

So, when it comes to dental caries, there's a tug-of-war between the pathogenic factors that promote demineralization of the tooth and protective factors that promote remineralization of the tooth.

所以龋齿的形成过程中，加快牙齿软化的致因素与加快牙齿再矿化的保护因素，像是在进行一场拔河比赛。