原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
该句暂无译文！
2 .Summer's here and with it come picnics, barbecues and of course salmonella.
该句暂无译文！
3 .The germ is notorious for contaminating a variety of favorite warm-weather foods.
该句暂无译文！
4 .But the bacteria's palate is more limited than our own.
该句暂无译文！
5 .Once salmonella makes its way into your system, it relies on a single unusual nutrient to survive.
该句暂无译文！
6 .That's according to a study in the journal PLoS Pathogens.
该句暂无译文！
7 .Most people tough it out when they get food poisoning from salmonella.
该句暂无译文！
8 .That's because treatment with antibiotics would eliminate the infection,
该句暂无译文！
9 .but also wipe out the gut bacteria that promote good health.
该句暂无译文！
10 .To figure out how to target salmonella specifically, researchers screened for genes vital for the microbe's survival during the active phase of infection.
该句暂无译文！
11 .And they identified a cluster of five genes that work together to allow the bacteria to digest a molecule called fructose-asparagine.
该句暂无译文！
12 .No other organisms are known to use this chemical for fuel,
该句暂无译文！
13 .so starving salmonella of it could be a new strategy for fighting this foodborne bug while leaving desirable intestinal inhabitants unharmed.
该句暂无译文！
14 .Next, the researchers plan to see which foods contain large amounts of salmonella's go-to snack.
该句暂无译文！
15 .But please, don't send unsolicited samples of Aunt Agnes's egg salad.
该句暂无译文！
16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
该句暂无译文！