genus of Gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals
an aerobic Gram-negative coccobacillus that causes brucellosis
n an aerobic Gram-negative coccobacillus that causes brucellosis
used against tuberculosis and tularemia and Gram-negative organisms
rod-shaped Gram-negative bacteria
gram-negative bacterium
[医] 革兰氏阴性菌
