Cosmonaut Anton Shkaplerov says he found bacteria clinging to the external surface of the International Space Station that didn't come from the surface of Earth.
如果在体内发现细菌或异物,中性粒细胞包围它并分泌MPO,从而破坏其产生的威胁。
If a foreign body or bacteria is detected, neutrophils surround it and secrete MPO, thereby destroying the threat.
萨默斯表示,发现细菌可以“吃”咖啡因,他并不惊讶。
Summers said, he isn't surprised to find bacteria that can"eat" caffeine.
当免疫细胞在“巡逻”期间发现细菌或者危险信号时,会放出许多化学物质。
When immune cells on patrol detect a bug or a“danger” signal, they send out an array of chemicals.
最近,在2017年,人们发现细菌对抗生素的抵抗力更强,并且在近乎失重的空间中茁壮成长。
More recently, in 2017, bacteria were found to be more resistant to antibiotics and to thrive in the near-weightlessness of space.
在搜索感染源的过程中,科学家发现细菌可以通过灌溉系统进入农业生产环节。
While searching for the sources of the infection, scientists discovered that the bacteria enter the agricultural cycle through irrigation systems.
但是在我们所做的计算中,我们发现细菌会筛选好的基因并将其转移到病毒中。
But in the calculations that we have done, we have found that the bacteria filter the good genes and transfer them to the viruses.
他补充说,发现细菌的永冻土估计约有350万年的历史.
He said the permafrost where the bacteria was foundis estimated to be around 3.5 million years old.
医生曾经认为压力是溃疡背后的罪魁祸首,但生物学家发现细菌是其主要原因。
Doctors once thought that stress was the primary culprit behind ulcers,but biologists uncovered a bacterium as the main cause.
诊断试验可能会显示尿液或精液中的免疫细胞,但没有发现细菌。
Diagnostic tests may show immune cells in the urine orsemen, but no bacteria is found.
过去,研究者曾在山顶上的云层里发现细菌生命。
In the past, researchers have found bacterial life in clouds that drift over mountaintops.
在非创伤性、非感染性样本中发现细菌真的是完全出乎意料的。
To find bacteria there in non-traumatic, non-infectious samples is just completely unexpected.
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