He and his colleagues have found "New Delhi metallo-beta-lactamase 1" positive bacteria in India and Pakistan.

沃尔什与同事在印度、巴基斯坦发现了具有“新德里金属-β-内酰胺酶1”的细菌。

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It inhibits the growth of Gram-negative and Gram-positive bacteria.

它抑制革兰阴性和革兰氏阳性菌。

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Such organisms are so named because they don't pick up the purplish dye used in the test to distinguish them from gram-positive bacteria.

这类细菌之所以被如此命名是因为他们和革兰氏阳性菌相比不能吸收淡紫色的染料。

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Nearly half of the 90 beverages from soda fountain machines in one area in Virginia tested positive for coliform bacteria -- which could indicate possible fecal contamination, according to a study published in the January issue of International Journal of Food Microbiology.

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There is evidence from other studies that good gut bacteria support positive mood too in part because of their effect on the vagus nerve and suggestions that antibiotics dampen this effect.

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They tested their treated materials with Staphylococcus aureus and Escherichia coli, the gram-positive and gram-negative bacteria that are always giving humans a bad day.

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