In the West, there have been successful phage trials for foot ulcers.

在西方，已经有成功的噬体试验治疗足溃疡。

A phage is a virus; not quite alive, not quite dead.

噬体一种；然而它并不完全活的，也不完全死的。

There are more phages on earth than every other organism combined, including bacteria.

地球上所有的有机体加起来也没有噬体的数量多，包括细。

Phages, viruses that attack bacteria but don't affect humans, are one promising new avenue to combat bacterial infections.

噬体，一种能攻击细但不感染人体的，一个很有前景的对抗细感染的新途径。

This happens when phages, rather than killing their hosts immediately, integrate their genomes into those of their prey.

噬体不立即杀死宿主，而将自己的基因组整合到猎物的基因组中时，就会发生这种情况。

That helps the phages, because their bacterial prey also accumulate in mucus, which is thus a rich hunting ground.

这有助于噬体，因为细的侵染过程也积聚在粘液中，这就为噬体提供了大量的寄生宿主。

Which might make you nervous since phages are responsible for the majority of deaths on earth but you're lucky.

可能世界上大部分死亡都由噬体导致的，这一事实会让你感到紧张，然而你很幸运。

But phages also have major flaws.

然而，噬体有一个最大的缺点。

Like any other virus, phages need a host to survive and reproduce.

像所有其他的一样，噬体需要宿主来生存繁殖。

Several clinical trials of phage therapy have already been successfully conducted in Poland, the nation of Georgia and Bangladesh.

波兰、格鲁吉亚和孟加拉国已经成功地进行了若干噬体治疗的临床试验。

The side touching the food is coated with phage E2, a virus engineered to stick only to Salmonella typhimurium bacteria.

触摸食物的一边涂有噬体E2, 这一种被研发成只会依附鼠伤寒沙门氏的。

Usually, a phage has chosen one specific bacteria and maybe some of its very close relatives.

通常情况下，一个噬体只寄生某一种细以及一些它们的近亲。

Dr Chen reckons that phages could in this way end up stealing up to a quarter of their host's genome.

陈博士认为噬体可以通过这种方式窃取四分之一的宿主基因组。

In phages, Dr Barr discovered, the various versions of Hoc stick to the varied branched sugar molecules characteristic of mucus.

Barr博士发现不同的HOC蛋白与不同的粘液特征性多糖分子的支链相结合。

Typically, a phage will only infect a single bacterial species.

通常， 噬体只会感染一种细。

The way the phage hunts is with its feet.

噬体捕食的方式用脚。

Smith's method is known as “phage display.”

史密斯的方法被称为“噬体展示”。

Winter used Smith's phage display method to create new kinds of antibodies.

温特使用史密斯的噬体展示方法创造了新型抗体。

Phages need a healthy population of bacteria  to survive.

噬体需要健康的细群落才能生存。

But for the  phage and bacteria this is great.

但对于噬体和细来说, 这很棒。