Gram-negative bacteria is one of the most common pathogenic microorganisms.

革兰阴性菌是临床常见的病原微生物。

youdao

This included an array of gram-negative bacteria species, as well as Streptococcus spp.

这包括革兰阴性菌种系列，以及链球菌属。

youdao

Conclusions Chromobacterium violaceum is a kind of Gram-negative bacteria, and has strong virulence.

结论紫色色杆菌是一种革兰阴性杆菌，毒力强。

youdao

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.

FORBES: New Antibacterial Clothing: Secret Ingredient Revealed

There is particular concern about Gram-negative bacteria (like E.coli and K. pneumonia), due to their outer membrane which can prevent some antibiotics from penetrating the cell.

BBC: Action on antibiotics

The process took advantage of an electric charge differential existing between the polymer, which was positively charged, and the bacteria cells, which carried a net negative charge.

FORBES: Are Men Ready for a Contraception Injection?