exotoxin

exotoxin音标

英 [ˌeksəʊ'tɒksɪn]

美 [ˌeksoʊ'tɒksɪn]

exotoxin基本释义

n.外毒素

exotoxin用法及例句

noun

1. a toxin that is secreted by microorganisms into the surrounding medium

1. 外毒素：毒素(toxin) 外毒素(exotoxin):病原菌生长过程中不断向外界环境分泌的一类毒性蛋白. 毒性强,抗原性强,毒性不稳定(对热和化学物质敏感0.3-0.4%甲醛脱毒. 内毒素(endotoxin):是G-菌细胞壁外层的组分之一,化学成分为脂多糖(LPS),

2. 外毒素 外毒素：外毒素 外毒素 (exotoxin)细菌在生长过程中由细胞内分泌到细胞外的毒性物质. 能产生外毒素的细菌大多数是革兰氏阳性菌,少数是革兰氏阴性菌. 将产生外毒素的细菌的液体培养物用滤菌器过滤除菌,即能获得外毒素. 其特点是:(1)化学成分是蛋白质,

3. exotoxin

3. 苏云金杆菌：Exothion 因毒磷 | Exotoxin 苏云金杆菌 | expand brief case 可伸开的公文皮包

4. 表皮剥脱素：exogenous 外源 | exotoxin 表皮剥脱素 | explosive mould biological weapon shell 爆炸性生物弹

反义词

临近词

endotoxin内毒素

ex

Exira

相关列句

Objective Study on superantigen Pseudomonas aeruginosa exotoxin A (PE) and its relationship with accessory cell (AC).(目的研究铜绿假单胞菌外毒素A（PE）的某些抗原性及其与辅助细胞的关系。)

Objective in order to isolate and purify an exotoxin of Streptococcus mitis which can cause toxic shock syndrome and investigate its pathogenicity.(目的分离与纯化致中毒性休克综合征缓症链球菌外毒素蛋白，并对其致病性进行初步研究。)

The toxin may be formed within the pathogen and released when it dies (endotoxin), or secreted through its cell wall (exotoxin).(由病原体通过细胞壁向外分泌的毒素为外毒素。)

And no diphtherotoxin was detected in its soluble metabolites indicating that cell wall defect might affect the production of diphtherotoxin, therefore lost its pathogenic role in exotoxin production.(提示细胞壁缺陷变异可影响白喉棒状杆菌产生白喉毒素蛋白质，从而使其丧失了产生外毒素致病的作用。)