exotoxin音标

英 [ˌeksəʊ'tɒksɪn]

美 [ˌeksoʊ'tɒksɪn]

exotoxin基本释义

n.外*素

exotoxin用法及例句

noun

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

1. 外*素：*素(toxin) 外*素(exotoxin):病原菌生长过程中不断向外界环境分泌的一类*性蛋白. *性强,抗原性强,*性不稳定(对热和化学物质敏感0.3-0.4%甲醛脱*. 内*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*素 外*素：外*素 外*素 (exotoxin)细菌在生长过程中由细胞内分泌到细胞外的*性物质. 能产生外*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*素的细菌的液体培养物用滤菌器过滤除菌,即能获得外*素. 其特点是:(1)化学成分是蛋白质,

3. exotoxin

3. 苏云金杆菌：Exothion 因*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*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*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*性休克综合征缓症链球菌外*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*素为外*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*素蛋白质，从而使其丧失了产生外*素致病的作用。)