gram-negative

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gram-negative

[′gram¦neg·əd·iv]
(microbiology)
Of bacteria, decolorizing and staining with the counterstain when treated with Gram's stain.
References in periodicals archive ?
This was a poorly written article and while the overall conclusions about prevalence of ESBL Gramnegative bacteria may have some value, this was lost in the poor presentation and the clear discrepancies between the text and the data provided.
Other Gramnegative bacteria that were frequently isolated were Escherichia coli (16 percent), Enterobacter sakazakii (12 percent), Klebsiella pneumoniae (17 percent), and Serratia liquejaciens (11 percent).