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词汇 gram-positive
释义 Gram-positive
adjective
 biology specialized(alsogram-positive)uk /ˌɡræmˈpɒz.ə.tɪv/ us /ˌɡræmˈpɑː.zə.t̬ɪv/
Gram-positive bacteria belong to a group of bacteria that cause particular diseases. They have a thick cell wall and can be recognized because they remain purple after being treated with a particular stain(= a chemical that changes the colour of something): (细菌)革兰氏阳性的
Staphylococcus is part of the Gram-positive group of bacteria.葡萄球菌属于革兰氏阳性菌群。
Bacteria are generally either gram-positive or gram-negative, depending on the colour they turn when they are stained with a special dye.
Compare
Gram-negative
Gram-variable
This is a spore-forming and Gram-positive bacterium that produces two major diarrhea-producing toxins.
Gram-positive bacilli were not identified.
Recurrent infections with gram-positive organisms occurred.
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