桿孢菌素 的英文怎麼說
中文拼音 [gǎnbāojūnsù]
桿孢菌素
英文
bacillocporin-
It is an important that bacteria contaminated vaccine in the biologicals production. we collected 703 samples of cell culture, virus cultivation and harvest which were contaminated by bacteria during poliovaccine production within two years. we checked these samples by bacteriological method and antibiotics sensitivity tests were done. it shows that 1 ) the main contaminated bacteria come from staphylococci, bacilli and streptococci of environment in the poliovaccine production. 2 ) it is effect that antibiotics to contaminated bacteria are doxycycline, albiotic, prescription 2, cefotaxime na salt, gentamycin, neomycin, aureomycin and erythromycin
在疫苗生產實踐中,細菌污染是影響疫苗質量和產量的關鍵性因素,筆者通過了兩年左右的時間,選取正常生產中零星細菌污染的細胞培養瓶、病毒培養瓶及收毒污染樣品等共703份,進行細菌學檢查,並對造成污染的主要細菌種類進行了各種抗菌藥物的耐藥性實驗,結果表明:我所脊灰疫苗生產中主要的污染威脅來自環境中的葡萄球菌,潛在威脅是桿菌和鏈球菌;強力黴素、林可黴素、配方2 、噻孢黴素鈉鹽、慶大黴素、新黴素、金黴素和紅黴素等抗生素對目前引起污染優勢細菌-葡萄球菌有明顯的抑菌效果,可作為疫苗生產后備抗菌手段參考In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail
本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌,並對其抗菌活性物質細菌素進行分析,為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。Comparison of resistance of the common gram - negative bacilli to the third cephalosporins
常見革蘭陰性桿菌對第三代頭孢菌素的耐藥率比較Thus, it is postulated that in the presence of mild neutropenia, whose function is inhibited by effect of insulin excess, the bacillus was able to find a port of entry, probably via micro - abrasions of the bowel mucosal lining
因此,推測可能存在中性粒細胞減少,功能被過多的胰島素抑制,芽孢桿菌可以乘虛而入,很有可能通過腸內壁粘膜微破損進入循環。Israelensis recombinants, which contained recombinants plasmid pmt4 and pmt9 respectively, were obtained by electroporation. the bioassay results showed that the recombinants b - pmt9 and b - pmt4 had toxicities both to resistant and susceptible c. quinqnefasciatus larvae during vegetative growth stage, having the lc ? o values similar to that of. fi. sssii - 1. however, the toxic levels of the final sporulated cultures of recombinants b - pmt4 and b - pmt9 differed, with a lcso value of 2 49mg / ml for b - pmt9 and little toxicity for b - pmt4 by using the plasmid pmt9, m txl gene from b. sphaericus was ligated with p20 and cytjaa gene, giving recombinant plasmid pmpx2
含有pmt9和pmt4的大腸桿菌轉化子能表達產生mtx1毒素,發酵液對敏感和抗性致倦庫蚊幼蟲具有中度毒殺作用;含有pmt9和pmt4的蘇雲金芽孢桿菌轉化子b - pmt9和b - pmt4在營養體生長階段對敏感蚊幼和抗性幼蟲也具有毒性,毒力與野生型b . sss - 1相當,而不同轉化子在芽孢形成期的毒力因插入的mtx1基因轉錄方向不同而表現出差異,其中b - pmt4對目標蚊幼毒力極低( lc _ ( 50 ) 10mg ml ) ,而b - pmt9對蚊幼蟲具有毒性( lc _ ( 50 ) = 2 . 49mg ml ) 。Clostridium bacteria form hardy spores, resistant to heating and drying. in poultry, clostridium perfringens causes necrotic enteritis, currently cured with antibiotics
在家禽中,產氣莢膜梭狀芽孢桿菌會造成腸壞死,目前使用抗生素進行治療。Mtxl ( 100 - kilodalton mosquitocidal toxin ) is a kind of toxin synthesized in vegetative growth stage of bacillus sphaericus ( b. s ). the purified mtxl has the same toxicity as the binary toxin from b. s
Mtx1 ( 100kdmosquitocidaltoxin )殺蚊毒素是一種在球形芽孢桿菌( bacillussphaericus , b . s )營養體期表達的毒素蛋白,其純化蛋白對蚊幼的毒力與二元毒素相當。Bacillus subtilis can hydrolyze phytate, release phosphorus and improve phosphorus nutrition of plants and animals by secreting phytases
摘要枯草芽孢桿菌通能過分泌植酸酶分解植酸,釋放磷元素,促進動植物磷的吸收。With the aim of increasing the expression and stability of mtxl, the mtxl gene originated from b. sphaericus ssii1 was cloned to a shuttle vector pbu4. two recombinant plasmids pmt9 and pmt4 were obtained, with the inserted fragments in the opposite orientations
為了提高mtx1殺蚊毒素蛋白的表達量和穩定性,本文將來源於球形芽孢桿菌b . sss - 1的mtx1毒素基因克隆至穿梭載體pbu4上,得到mtx1插入方向相反的重組質粒pmt9和pmt4 。2. the resistence of transformators were selected by g418 after co - culture with agrobactrium tumeflien, which was 40 mg / l in subcultured medium and 50mg / l in differeniated medium. in the process of killing agrobactrium, cef, amp or carb were also useful and the time of inhibition was long too
經與農桿菌共培養后轉化子的鑒定選用g418 ,在繼代篩選培養基中添加40mg l ,在分化篩選培養基中添加50mg l ;在除菌過程中,頭孢噻肟鈉、羧芐青霉素、氨芐青霉素抑菌效果較好,抑菌時間較長。A polypeptide with sequence of qkvdssggggs was designed to be a linker between c terminal of penicillin g acylase and n terminal of the coat protein. the ribosome binding site ( rbs sequence ) of psurfscript is also replaced by rbs sequence originating from bacillus subtilis. it was demonstrated that constructed phagemid can still express penicillin g acylase
將包含信號肽和琥珀終止密碼子uag ( amber )的完整巨大芽孢桿菌青霉素g酰化酶基因克隆到噬菌粒psurfscript ,通過引入的11肽連接青霉素g酰化酶的c末端與噬菌體外殼蛋白gp3的n末端。The display of penicillin g acylase from bacillus megaterium not only offers the possibility of applying this technology for the selection of penicillin acylases with new side - chain specificities, but also facilitates our screen of mutant library constructed by using dna shuffling technique
這是首次在噬菌體表面展示出有活力的巨大芽孢桿菌青霉素g酰化酶,為利用噬菌體展示技術進行青霉素g酰化酶突變庫的篩選奠定了基礎。Cefotaxime inhibited the bud regeneration at concentrations more than 250 mg / l, so the concentration used in suppression of agrobacterium is 200 mg / l
頭孢黴素( ce )對大巖桐不定芽的誘導也有抑制作用,但較卡那黴素弱,其抑制農桿菌生長的適宜濃度為200mg l 。分享友人