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lethal toxin
相关语句
  致死性毒素
     ι and intestines toxin (CPE), β2 and so on was considered is main pathogenic toxin. According to four kinds lethal toxin (α?β?ε?ι) ability, divides into it five kinds of types, namely A, B, C, D, E.
     根据产气荚膜梭菌产生四种致死性毒素(α、β、ε、ι毒素)的能力,将其分为五种类型,即A、B、C、D、E型。
短句来源
  致死毒素
     The polyclonal antiserum from rabbits immunized with rPA could inhibit the action of anthrax lethal toxin in vitro , which suggests that antibodies against rPA can provide high passive protection against anthrax.
     用rPA免疫家兔产生的抗血清在体外可抑制炭疽致死毒素的活性 ,表明rPA可诱导机体产生保护性免疫。
短句来源
  “lethal toxin”译为未确定词的双语例句
     It has been found that more than a dozen pathogenic factors Could be produced by this microrganism, among which P. aeruginosa Exotoxin A (PEA) is the most potent one, called a lethal toxin.
     为了对绿脓杆菌外毒素A进行更深入的研究,本文用PEA免疫BALB/C小鼠,取脾细胞与SP2/O细胞融合,建立了四株抗PEA的杂交瘤细胞系,分别命名为14F10,24B5,23B9及23c12。
短句来源
     EHEC O157 may produce an adherence factor (Intimin) which will induce attaching and effacing(A/E)lesions and produce a lethal toxin (Stx). Antibiotics will be dangerous to cause HUS.
     EHECO15 7产生的粘附因子Intimin可引起粘附擦拭 (A/E)损伤 ,并可产生致死性的毒素Stx。
短句来源
  相似匹配句对
     Phytopathogenic Toxin
     植物病原毒素
短句来源
     Cholera toxin
     霍乱毒素
短句来源
     The toxin took 24~48 hr to exert its full lethal effect in the insect.
     结果显示 ,铜绿微囊藻毒素LR对菜蛾有较强的毒力 ,其毒效在 2 4~ 48h之内显示。
短句来源
     The Lethal Effect of Fragments
     破片的杀伤作用
短句来源
     After ingested a lethal dose of bacteria, the epithelium of mid gut of the larva was damaged by the crystal toxin.
     二化螟幼虫摄入致死剂量苏云金杆菌后,病变肠道外壁聚集了厚薄不一的血细胞层。
短句来源
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  lethal toxin
Anthrax lethal toxin is a mixture of protective antigen (PA, 735 AA) and lethal factor (LF, 776 AA).
      
It is demonstrated that the "murine" lethal toxin ofYersinia pestis desensitizes the β-adrenergic receptors coupled to the pulmonary adenylate cyclase system.
      
We succeeded in isolating a lethal toxin which is sensitive to light and which is striking because of its long latency period.
      
Isolation of a lethal toxin from Cortinarius orellanus Fr
      
These results suggest that DHEA and MLT may have a therapeutic role in reducing the increased cytokine production induced by anthrax lethal toxin.
      
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The venom of Naja naja atra from Guangdong province has been separated into 27 fractions by CM-Sephadex C-25 column chromatog-raphy. One lethal toxin fraction was further purified by ion-exchange rechromatography on CM-Sephadex C-50 and by gel filtration on Sep-hadex G-50 and was named fraction XVII-B2. It can abolish the responses of chikea biventer cervisis muscle to indirect stimulation or to Ach. but not affects the responses to direct stimulation Or K+. On the other hand, it has no effects on Straub's...

The venom of Naja naja atra from Guangdong province has been separated into 27 fractions by CM-Sephadex C-25 column chromatog-raphy. One lethal toxin fraction was further purified by ion-exchange rechromatography on CM-Sephadex C-50 and by gel filtration on Sep-hadex G-50 and was named fraction XVII-B2. It can abolish the responses of chikea biventer cervisis muscle to indirect stimulation or to Ach. but not affects the responses to direct stimulation Or K+. On the other hand, it has no effects on Straub's frog hearts in vitro,but its LD50 for mice is about 75ug/kg.

中华眼镜蛇全毒经CM—Sephadex C-25柱层析分离为27个蛋白峰,自第17峰进一步纯化的组份17—B_2,经生化、毒理及受体结合实验证实为突触后作用的神经毒素,并测定及讨论了其某些分子学和毒理学特性。

Aeromonas hydrophilahas caused the epidemic acute disease of cultured fishes in recent years. Thisdisease has made a great loss to the aquaculture. The hemolysin is the principal lethal toxin. This toxin is a singlepolypeptide. Its molecular weight is 52000 daltons. The hemolysin can coaggiutinate with the glycophorisn of redblood cell and form oligomers on the red blood cell membrane, then form a hole and lyse the cell. DNA sequenceanalysis showed that hemolysin gene was a typical prokaryotic gene....

Aeromonas hydrophilahas caused the epidemic acute disease of cultured fishes in recent years. Thisdisease has made a great loss to the aquaculture. The hemolysin is the principal lethal toxin. This toxin is a singlepolypeptide. Its molecular weight is 52000 daltons. The hemolysin can coaggiutinate with the glycophorisn of redblood cell and form oligomers on the red blood cell membrane, then form a hole and lyse the cell. DNA sequenceanalysis showed that hemolysin gene was a typical prokaryotic gene. Because of the antibiotics resistance trait of A.hydrophila , the author raised that recontruction of the pothogen is a potential route to control the diseases caused byA. hydrophila.

嗜水气单胞菌近年引起我国养殖鱼类暴发性鱼病的大面积流行,给我国渔业生产造成了极大损失。溶血毒素是该菌致病的主要因子,该毒素是一条链的多肽,分子量52000道尔顿左右,与红细胞膜上的血型糖蛋白结合形成寡聚体,进而在膜上成洞,溶血。DNA序列分析结果显示该毒素基因与典型的原核基因相符。由于该菌的抗药性等问题,应用基因工程的方法改造病原菌是防治暴发性鱼病的有前途的手段之一。

Microcystins(MC)is a group of lethal toxins produced by some cyanobacteriaes in fresh and brackish water.They have strong hepatotoxicity.However,the cytotoxicity induced by microcystins in primary cultured rat hepatocytes has not been fully elucidated.This study aims to probe further to the aspect.Methods The primary rat hepatocytes were cultured with cyanobacteria extract together to observe its effect on lactate dehydrogenase (LDH) leakage,morphological changes of cells and nuclear changes after acridine...

Microcystins(MC)is a group of lethal toxins produced by some cyanobacteriaes in fresh and brackish water.They have strong hepatotoxicity.However,the cytotoxicity induced by microcystins in primary cultured rat hepatocytes has not been fully elucidated.This study aims to probe further to the aspect.Methods The primary rat hepatocytes were cultured with cyanobacteria extract together to observe its effect on lactate dehydrogenase (LDH) leakage,morphological changes of cells and nuclear changes after acridine orange/ethidium bromide stain.Results A time and dose dependent increase of LDH leakage was detected in hepatocytes.Morphological and nuclear changes of cells menifested shrinkage,rounding and clumping,plasma membrane blebs,condensation of chromatins and nuclear fragmentation.More importantly,The percentage of cells with nuclear changes increased in a dose and time dependent manner.Conclusion These results indicated that main cytotoxic effect induced by cyanobacteria extract in pimary rat cultured hepatocytes menifested apoptosis.

用蓝藻提取物处理大鼠肝细胞,通过测定乳酸脱氢酶渗出率、显微镜直接观察细胞形态改变及吖啶橙/溴乙啶联合染色后观察细胞核的改变来评价其毒性作用及方式。结果:乳酸脱氢酶渗出率呈明显的剂量和时间效应式增加;细胞形态改变包括收缩、变圆、变小、出现胞膜包;细胞核的改变有碎裂、浓缩、染色质收缩等,发生这类改变的细胞占总细胞数的比例随剂量和时间的增加而增加。结论:蓝藻提取物对原代培养大鼠肝细胞有明显的毒作用,其主要作用方式是引起凋亡

 
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