活性酵素 的英文怎麼說

中文拼音 [huóxìngjiàosù]
活性酵素 英文
active ferment
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 酵 : 動詞（發酵） ferment; leaven
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  • 酵素 : biocatalyst
  1. 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。
  2. Arginine feeding experiment showed that nitrogen metabolism in the s. tenebraius was obviously affected by arginine through two possible ways : ( l ) pronase activity in vitro could be influnced by arginine, as a result, the catabolism of nitrogen - containing macro - molecule was promoted and the nitrogen element in the broth was increased. ( 2 ) arginine could be transformed into glutamic acid, so that the biosynthesis of apramycin was promoted

    因而我們認為gln可能是安普黴素生物合成氮元素的供體。 arg添加實驗結果表明， arg可能通過兩種途徑影響黑暗鏈黴菌體內的氮代謝： （ 1 ） arg可能影響胞外蛋白酶的活性，進而促進含氮大分子物質的分解代謝，補充發酵過程中的氮素來源。
  3. The researchers also found that the synthesis of the active form of bdnf is critically dependent on a seemingly unrelated enzyme system in the body known as tpa plasmin, which may provide hints for further research on the mechanism of long - term memory formation

    （ tpaplasmin ）的酵素系統，是製造活躍的bdnf的決定性因素；這項發現為將來深入研究長期記憶形成的機制，提供了重要線索。
  4. Prevents melanin from forming by way of adjusting calcium ion density to keep the tyrosinase in inactive state

    藉由調整鈣離子濃度，讓酪胺酸酵素處于非活性狀態，避免黑色素生成。
  5. Interferes tyrosinase activity by multiple ways ; protease included to accelerate spot / keratin removing, rapidly making the complexion bright and flaws eliminated

    利用多種方式干擾酪氨酸酵素活性；內含的蛋白質分解酵素能加速斑點、角質去除，使膚色迅速變得明亮、瑕疵凈化。
  6. Shaking flask experiments and hplc analyses showed that 99 isolates still produced four components of avermectins b, in which the yields of avermectins b in 82 isolates were only about 0. 1 ~ 2 % of those produced by the parental strain olm73 - 12. 2 of 82 isolates were confirmed to be the correct gene replacement mutants by pcr and sequence analysis. the mutant only producing avermectins bl was not detected

    搖瓶發酵和hplc分析結果表明，有99個突變株仍然產阿維菌素b的4個組分，其中82株的發酵單位很低，僅為出發菌株olm73 - 12的0 . 1 2 ，從中挑取2株經pcr擴增和測序驗證，均發生了正確的基因取代；沒有檢測到僅產b1的突變株，這表明阿維菌素b2組分的產生並不是因為阿維菌素pks上dh2的部分活性所造成。
  7. In this study, the avermectin - producing strain streptomyces avermitilis was studied and the avermectin biosynthesis gene cluster in the genomic dna of streptomyces avermitilis s - 2 was altered by the method of gene engineering. insertion inactivation of aved gene in the cluster by introducing apramycin resistance gene into aved gene resulted in the disappearance of " a " components of avermectins. when avec gene was inactivated by the same way, four " 1 " components were lost and only " 2 " components, the potential precursor of ivermectin, were accumulated

    將該基因簇中的aved基因通過插入外源的安普黴素抗性基因片段使其失活，導致發酵產物中4個a組分（不需要的組分）的消失；將基因簇中的avec基因通過同樣手段，使其失活，導致發酵產物中4個「 1 」組分的消失，而主要積累「 2 」組分（進一步改造可成為伊維菌素的前體b _ 2組分） 。
  8. The result showed that the recombinant rainbow trout growth hormone expression by yeast y33 ( pmargh16 ) had biologic activity, and been absorbed by fish intestine to enhance the growth of the fish

    結果表明，酵母胞內表達的虹鱒生長激素具有生物活性，能夠經口服被魚體腸道吸收，對羅非魚具有明顯的促生長作用。
  9. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  10. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  11. For dogs, simply replace the vegecat mentioned below with vegedog. the vegecat vegekit, vegeyeast and digestive enzymes are necessary because, like meat, vegecat and vegekit contain taurine, which cats and kittens need to avoid blindness and heart failure. the vegeyeast supplies protein, b vitamins, flavor and a high acid content to prevent urinary failure, and the enzymes are living digestive enzymes that cats need for digestion

    食用成幼貓用素食vegecat vegekit素酵母vegeyeast和素消化道酵素digestive enzymes對貓狗很必要，因為成貓用素食vegecat和幼貓用素食vegekit含有肉類中含有的牛黃酸，可防止成貓和幼貓患眼盲及心臟病素酵母vegeyeast含有蛋白質維他命群調味料和高酸性成分，可避免泌尿器官的病變而素消化道酵素digestive enzymes是貓消化時所需要的活性消化酵素。
  12. As starter cultures, twelve strains of bacillus were screened for the manufacture of long - ripened douchiba from 40 strains isolated from naturally fermented douchiba samples at consecutive stages from qianxi and dafang of guizhou province, through comprehensive evaluation including extracellular proteolytic activity and lipidolytic activity, salt tolerance, ultraviolet light resistance, and antibiotic sensitivity

    摘要從貴州黔西和大方兩地傳統陳窖豆豉粑不同工藝階段分離到的40株菌株，經胞外蛋白質和脂肪水解酶活力、耐鹽性能、抗紫外光照射和抗生素敏感性等綜合性能評價，篩選到12株芽胞桿菌可作為陳窖豆豉粑純菌發酵的選擇菌株。
  13. Hifacs is made of the extract of seaweed, fresh egg, liver powder, fish past, shrimp head with a special fermentation, enzymes, activated, chitasan, amino acids, vitamins and trace minerals

    採用天然色素海藻抽出物活性碳鮮蛋魚漿蝦漿酵素肝精粉聚甲殼糖綜合氨基酸等高級原料，內含多種微量礦物質及維他命。
  14. Zymosn in the kangsheng multi - nutriment is consist of gluconsan and mannan. zymosan is the most active glucosan in life - bodies, which has the function of human immunity, anti - cancer, anti - inflammation, anti - radiation and reduce the cholesterol

    康聖天元多價營養素中酵母多糖由葡聚糖和甘露聚糖組成，酵母葡聚糖是生物活性最強的葡聚湯，具有人體免疫、抗腫瘤、抗炎、抗輻射和降低膽固醇的作用。
  15. Recently, the expression system of methylotrophic yeast has been developed quickly. as a result of its many advantages, such as high expression, high stability, high secretion and so on, many kinds of protein, including animal, plant, microorganism proteins, have been expressed by this system in the world, but we have not seen any report about yeast expression of poifn - a until now, this research is the first example in the world that poifn - a is expressed by methylotrophic yeast system

    近年來，甲醇營養型酵母表達系統的研究得到迅速發展，因其具有高表達、高穩定、高分泌、能對表達的外源蛋白進行正確的折疊、加工，利於下游分離純化操作、能大規模發酵生產等諸多優點，國內外已經利用此系統表達了多種對人類有益的動植物及微生物活性蛋白，但對豬型干擾素的酵母表達還未見報導，本研究是國內外首次採用此系統表達豬型干擾素。
  16. Genetic studies suggest that blocking the enzyme ' s activity will not lead to harmful side effects ; deletion of the gene encoding beta - secretase in mice eliminated a - beta formation in the rodents ' brains without causing any apparent negative consequences

    遺傳研究的結果暗示，阻斷這個酵素的活性，並不會造成有害的副作用；移除小鼠的分泌酶基因，小鼠的腦部就無法製造出a - ，但卻不會造成任何明顯的負面後果。
  17. For instance, they might construct a compound that inhibits the active site of an enzyme crucial to viral reproduction

    舉例來說，他們可以設計某個化合物，作用在病毒復制時不可或缺的酵素活性區，而加以抑制。
  18. The enzyme retained full activity after being treated at room temperature for 1 hour at ph between 4. 0 and 11. 5. the enzyme can be incubated at 50 for 4h with only less 50 percent loss of activity and is stable in the frozen state. when streptomyces griseus atcc14811 was cultured in 10. 3 % sucrose yeme liquid medium, production of extracellular cholesterol oxidase increased for 5 days before decrease

    利用硫酸銨鹽析及deae -纖維素離子交換柱層析提取純化灰色鏈黴菌atcc14811發酵上清液中的膽固醇氧化酶，理化性質研究表明酶作用晟適ph為8 . 0 ，最適溫度為45 ， ph穩定范圍在ph4 . 0 - 11 . 5之間，在50條件下保溫4h ，仍保留54酶活力。
  19. Microorganism - fermented straw stalk feed is a feed that employs the highly active microbial agents to further decompose the straw stalk ' s cellulose, hemicelluloses, lignin and other components into matters with better nutritional values and palatability, such as sugar

    微生物發酵秸稈飼料是利用高活性微生物菌劑，將秸稈的纖維素、半纖維素和木質素等成分進一步分解成為有營養價值的、適口性較好的物質如糖類。
  20. The deletion mutants were proved to be genetically stable, and thus might be promising strains in industrial production of avermectins b. although s. avermitilis produces eight related components of avermectins, only two components, bla and bib, are available for the medical, veterinary and agricultural fields

    該缺失突變是在染色體上通過同源雙交換完成的，不會發生進一步的重組，因此突變株性狀穩定，在工業生產上具有應用價值。阿維菌素的天然發酵產物共有八個組分，其中只有b1組分的殺蟲活性最高，被作為殺蟲劑在農業和畜牧業中使用。
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