生酶細菌 的英文怎麼說
中文拼音 [shēngxìjūn]
生酶細菌
英文
zymogenic bacterium- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 酶 : 名詞[生物化學] (生物體的細胞產生的有機膠狀物質) enzyme; ferment
- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 菌 : 菌名詞1. (蕈) mushroom2. (姓氏) a surname
- 細菌 : germ; bacterium (pl. bacteria); fungus (pl. fungi)
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Bacterial lipase is a kind of biocatalyst which is widely used in many industrial fields
摘要細菌脂肪酶是一類廣泛應用於工業領域的生物催化劑,具有重要的應用價值。As well as providing a new tool to combat bacteria now, there is interest in developing bacteriophage lysins to replace antibiotics in some applications in the future
作為對抗這些細菌的新的藥物工具,人們對將來開發噬菌體細胞溶解酶在某些條件下代替抗生素產生了濃厚的興趣。Only prokaryotes, such as bacteria, lack lysosomes.
只有細菌這樣的原核生物才沒有溶酶體。Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "
W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其最適生長及固氮的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性最強;在偏酸和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的酸、堿性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大,當naci濃度升至2時,菌株的生長勢及固氮酶活性才有所下降:低濃度的鉸對其固氮酶活性影響不大,在0The sufferer of the pneumonia in the middle of recover from illness should shoot person more to enrich food with the vitamin, vitamin together other nourishment materials is similar to all need to pass food to enter the everyone body balancedly, keeping the health of the human body, being pneumonia a sufferer to be subjected to have fever, cough, cough up phlegm etc. the influence of the factor, metabolism inside the body speed, is the germ that the particularly white cell kills the lung department, the metabolism strengthen, needing a great deal of vitamin, and exterminating the water solution 酶 and the absorption process of the lung department 炎 disease that the germ need to also need vitamin, if the vitamin severity shortage, not only cause the absorption of the lung department 炎 disease reduce slowly, and influence the immunity dint of the human body, so eat to enrich a beneficial pneumonia patient of pollen of contain the vitamin to recover from illness, this with 《 this grass outline 》 and many departments 《 this grass 》 in jot down " smooth heart lung " of pinepollen of the function is consistent
肺炎患者在康復中應多攝人富含維生素的食物,維生素同其他營養物質一樣都需要通過飲食均衡地進人人體,保持人體的健康,當肺炎患者受發熱、咳嗽、咯痰等因素的影響,體內代謝加快,尤其是白細胞殺死肺部的細菌,代謝增強,需要大量的維生素,並且消滅細菌所需的水解酶及肺部炎癥的吸收過程也需要維生素,如果維生素嚴重不足,不僅導致肺部炎癥的吸收減慢,而且影響人體的免疫力,故食用富含維生素的花粉有利肺炎病人的康復,這與《本草綱目》及多部《本草》中記載松花粉「潤心肺」的功能是一致的。Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on
該蛋白質中含有保守的- cp ( g ) pc -氨基酸活性基序,該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞,對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連, trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。The sod activity in s. maltophilia 276 increased rapidly during the bacteria growth at early log phase, and reached highest with 570 units / ml of cell extract ( from 10 ml of cell culture ) at the end log phase of bacterial growth. the sod activity decreased when the bacteria entered growth of stationary phase. it was clear that the production of sod by s. maltophilia276 was consistent with the growth of bacteria
Maltophilia276菌株對數生長前期, sod的活性迅速增強;到對數生長後期,其活性達到最大,此時每毫升該細菌培養液的sod含量達到570iu (酶活力單位) ;在細菌進入生長穩定期后, sod的活性開始下降,這就說明276菌株所產生的sod活性同該菌的生長量是一致的。The expression vector pse380 - / iy / was constructed and transformed into e. coli dh5a, expressing hyl gene by adding iptg into the broth. the expression of hyl gene showed a 120kda protein band on sds - page gel and was found to have capability to degrade ha molecules derived from a microorganism dissolved in 0. 1 m acetate buffer solution ( ph4. 0 )
經轉化大腸桿菌dh5a和iptg誘導表達後用sds - page電泳分析,獲得一條約120kda的表達條帶; iptg誘導表達后提取原生質膜測定透明質酸分解酶活力,表明該hyl片段的產物能夠在體外分解細菌來源的ha 。採用兩種策略滅活hyl基因。Cell degrading enzymes ( cdes ) produced by phytopathogenic bacteria reduce plant cell components to compounds useful for pathogen nutrition
植物病原細菌產生的細胞降解酶降解植物細胞成分使之成為細菌可利用的營養物質。Sporocytophaga is a kind of bacteria that can glide on the surface of solid medium. this strain can decompose the cellulose strongly. lt can grow on the surface of cotton and fiter paper, and produce large amount of extracellular polysacchrides during the cellulose degradation. the sporocytophag can only produce a low extracellular carboxymethyl - cellulase ( cmc ) activity and no other extracellular cellulase activities. so the sporocytophaga has a special mechanism of cellulose degradation
生孢噬纖維細菌通過與纖維素物質的緊密粘附作用而強烈地降解纖維素;但該菌只能測到極低的胞外cmc酶活,而沒有其他的胞外纖維素酶活,因此該菌有特殊的纖維素降解機制。Newswise ? researchers at uab ( uniersity of alabama at birmingham ) hae new information on the structure of a key enzyme in bacteria that could lead to improed antibiotics and less antibiotic resistance
科技信息? ?伯明翰阿拉巴馬( uab )大學研究人員發現了有關某種細菌關鍵酶結構的新資料,這將有助於改善抗菌素並減少抗生素耐藥性。The number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond
摘要目的明確不同質地土壤(砂壤、中壤、重壤)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。[ objective ] the number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond
摘要目的明確不同質地土壤(砂壤、中壤、重壤)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。Twenty years later, my lab had outlined the structure and biosynthesis of the peptidoglycan of bacterial cell walls and had discovered that penicillin inhibited the terminal step in its biosynthesis catalyzed by transpeptidases
20年後,我的實驗室揭示出了細菌胞壁肽聚糖的結構和生物合成過程,並發現青霉素是抑制由轉肽酶催化的該生物合成的最後一步。For example, as a direct toxic effect, periodontal iruses and bacteria and their products ( endotoxins or enzymes, for example ) are toxic to surrounding cells and may directly induce mutations in tumor suppressor genes and proto - oncogenes or alter signaling pathways that affect cell proliferation or surial of epithelial cells
例如,作為直接毒性作用,牙周病毒和細菌及在細胞周圍其產生的毒性物質(例如,類毒素或酶類)可直接誘導腫瘤抑制基因和原癌基因突變或者改變細胞信號傳導通路從而影響上皮細胞增殖或存活。For example, as a direct toxic effect, periodontal viruses and bacteria and their products ( endotoxins or enzymes, for example ) are toxic to surrounding cells and may directly induce mutations in tumor suppressor genes and proto - oncogenes or alter signaling pathways that affect cell proliferation or survival of epithelial cells
例如,作為直接毒性作用,牙周病毒和細菌及在細胞周圍其產生的毒性物質(例如,類毒素或酶類)可直接誘導腫瘤抑制基因和原癌基因突變或者改變細胞信號傳導通路從而影響上皮細胞增殖或存活。To date there is no specific database for toxin and anti - nutrient proteins. in order to establish such a database, we have collected data from some nucleotide and protein database available at present. totally, 1033 toxin proteins, including 172 from plants, 251 from animals, 577 from bacteria and 42 from " other organisms, as well as 1013 lectins and 391 proteinase inhibitors are collected
本文通過對主要基因或蛋白數據庫進行檢索,收集散落於不同基因或蛋白數據庫中的毒蛋白氨基酸序列數據1033個,其中植物毒蛋白172個,動物毒蛋白251個,細菌毒蛋白557個,其它生物如真菌、藻類等的毒蛋白42個;抗營養因子蛋白數據1404個,其中凝集素1013個,蛋白酶抑制劑391個。In order to get some functional clues from their structures, the upstream regulation region of ndrgl gene and second structure of ndrg2 protein are performed bioinformatics analysis ; we found that there are several binding sequences of some diffirent transcription factors, their functions include regulating tissue - specific gene expression, regulating expression of genes related to growth and early development of cells, besides this, regulating expression of genes under some stimulated conditions, and so on. predict in protein fold classification shows that ndrg2 belongs to alpha / beta hydrolase fold family, and there are high similarity between ndrg2 and epoxide hydrolase from bacteria, this suggests that ndrg2 protein may has enzymatic functions associated with resisting the oxidative stress, maintaining the balance of cell redox potential, involving in the metabolism process of xenobiotics or intracellular toxic molecules
研究發現呷基因的調控區存在多種轉錄因子結合位點,功能主要涉及組織特異性表達調控,細胞生長發育相關基因的表達調控,刺激反應基因的表達調控等; ndrgz蛋白在結構上屬于a小水解酶類折疊,折疊分類預測表明ndrg2與其中的的細菌環氧化物水解酶的二級結構極為相似,提示ndrgz蛋白具有一定酶活性,可能參與細胞抗氧化應激反應,維持細, an ) armtbffiofbfochmilsyn ) mdafblechmrbfobo4第四軍醫大學碩士學位論文胞內氧還電勢平衡,參與內外源有毒物質的代謝等。Now, are report published in naturale biotechnology describes two formally formerly unknown bacterial enzymes
如今,發表于《自然生物學》上的一篇報告描述了兩種以前不為人知的細菌酶。The physiological character of cellulase and the best culture ph, temperature and stability were quested for. then according to this base, this thesis analyzed the influence of some parameters, including energy and dose for the purpose of finding the best ion mutant parameters, and studied the mechanism of implanted ion on this strain
選擇了纖維分解細菌酶活測定方法以及dns法測定還原糖的最適條件,對纖維素分解細菌的生長特性及纖維素酶的最適溫度、 ph值、溫度和ph值的穩定性進行了探索。分享友人