黴菌發酵 的英文怎麼說

中文拼音 [méijūnfājiào]
黴菌發酵 英文
mold fermentation
  • 菌 : 菌名詞1. （蕈） mushroom2. （姓氏） a surname
  • 發 : 名詞（頭發） hair
  • 酵 : 動詞（發酵） ferment; leaven
  • 黴菌 : [微生物學] mould; mycete; mucedine
  1. 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。
  2. Shaking flask experiments and hplc analyses showed that the four mutants no longer produced the toxic oligomycin, and only made four components of avermectins b, which were avermectin b1a, b1b, b2a, b2b. the yields of avermectins b in these mutants were separately equal to those in cz8 - 73. this revealed that olma genes deletion did n ' t affect the biosynthesis of avermectins

    將4株經southern雜交驗證正確的基因缺失突變株進行搖瓶發酵和hplc檢測，發現4個突變株均不再產生寡黴素而僅產阿維菌素b組分，阿維菌素的總產量和b1的產量與出發菌株相當，說明寡黴素pks基因簇的缺失並不影響阿維菌素的生物合成。
  3. Effects of cultivation conditions on natamycin production by streptomyces gilvosporeus

    培養條件對褐黃孢鏈黴菌發酵合成納他黴素的影響
  4. 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） 。
  5. 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 。
  6. It is studied that the activity against eumycetes of the fermentation filtrate ( 16h ) of strain jw - 725 is the strongest. the optimum nutritional sources are wheat bran and soya bean meal. the fermentation filtrate reserved under 4 still has bioactivity after 20 days or so, but its bioactivity decreases much while being treated under high temperature. the ph of fermentation filtrate has much influence upon the bioactive substance, and it remains activity at the range of 5

    發酵液在4下保存20天左右仍有抗菌活性；但經高溫處理后，其抗菌活性降低很多； ph對抑菌物質的生物活性影響比較大，抑菌物質保持活性的ph范圍是5 . 0 7 . 0 。分離到的多粘芽孢桿菌（ b polymyxajw - 725 ）對柑橘青黴菌（ p
  7. In the ht medium with 2 % starch, after the strain nust03 had been culturing on a rotary shaker at 28, 220r / min for 96 hours, the fermentation can restrain the growth of a. niger

    Nusto3菌株在含有2的可溶性澱粉的ht培養基上，搖床（ 28 ， 200r min ）培養96小時，發酵液對黑麴黴有抑制作用。
  8. In the study of m. purpureus, the optimum conditions for its medium composition and culitivation were discussed. high density fermentation was carried out and the mycelium yield reached to 4. 09g / l, which is about two times higher than the data of 2. 18g / l reported in literature

    在紅麴黴的研究中，我們進行了紅麴黴的培養基和培養條件的優化實驗，並根據該實驗結果進行了高密度發酵，最終紅麴黴菌絲體的含量達到了4 . 09g l ，比我們所看到的2 . 18g l高出近一倍。
  9. Streptomyces tenebrarius a04, the producer ( with a titer of 2874u / ml ) of single component of nebramycin ? apramycin was studied in this paper. after treatment of spore suspension and mycelia shivered by supersonic with mutagen, combined with the application of screening models, some stable high yield apramycin - producing strains ( with a fermentation titer of 4800 - 5200u / ml by shaking flask ) such as a2 - 23, a2 - 30, asm6 and al - 16 were obtained

    本文以尼拉黴素單一組分?安普黴素產生菌s . tenebrariusa04 （發酵單位為2847u ml ）為出發菌株，通過對單孢子懸液和超聲波破碎菌體的誘變處理並復合篩選模型，獲得了遺傳特性穩定的單組分高產菌株： a2 - 23 、 a2 - 30 、 asm6 、 a1 - 16 ，搖瓶發酵單位達4800 - 5200u ml 。
  10. Inhibition of the concentrate of fermentation liquid from yx paecilomyces farinosus on phytophthora infestans

    擬青黴菌發酵濃縮物對馬鈴薯晚疫病菌的抑制作用
  11. . the conditions of the liquid state and solid state fermentation that m12 - 69 produced monaclin k were studied

    第五，對紅麴黴突變菌株m12一69產monacofink的液態和固態發酵條件進行了初步優化研究。
  12. It was found out that maduramicin production strains had strong antiseptic activities against g + bacteria while maduramicin non - producing strains had no antiseptic activities. no new antibiotics proved to be produced by the result

    我們對尤馬馬杜拉放線菌的產素不穩定性進行研究，同時進行馬杜黴素高產菌株的選育和發酵工藝的改良。
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    本公司依託浙江大學化機研究所專業開發，製造各類：蒸汽定型罐、定型染色缸、殺菌罐、儲氣缸和發酵罐、熱交換器、臺式、立式、手提式、臥式電熱壓力蒸汽滅菌器、乾熱滅菌器、二氧化碳、生化、黴菌、光照、隔水式、電熱恆溫培氧箱、恆溫恆濕箱、人工氣候箱等醫療儀器，同時提供製藥、保健品、食品、飲料、化妝品、潔凈車間成套不銹鋼器具系列產品，還可根據用戶要求設計、製造各種非標設備，歡迎您的垂詢，期待您的合作！
  14. The 102 strains which can produce hydrolyzed circles were obtained using alternative medium containing phytate - calcium. after being isolated and purified, these strains were inoculated into fermented medium, shaking in 28 c at 220r / min for 5 days, then their enzymatic activities were determined by ammonium molybdate - phosphate colorimertry under the condition of 37 cand ph2. 5. the result showed there were 24 strains with higher enzymatic activities among the 102 strains, after the rescreening, 7 strains were gained with enzymatic activities beyond 15u / ml and stable ability of producing acidic phytase, of which, enzymatic activity of the strain 14 was the highest, reaching 53. 86u / ml, and it was preliminarilly identified as aspergillus. niger, then numbered as aspergillus. niger 14

    用植酸鈣選擇性平板培養基從土樣中篩選出了102株能產透明圈的菌株，經分離純化后，接入液體發酵培養基， 28 、 220r min發酵5天，在37 、 ph2 . 5條件下用釩鉬酸銨法測定其所產植酸酶的活力，結果顯示，酶活較高的有24株，經再次搖瓶復篩后，酶活大於15u ml且產酶性能穩定的共有7株，其中以14 ~ #菌株的酶活最高，可達53 . 86u ml ，經初步鑒定為黑麴黴，編號為aspergillus . niger14 ~ # 。
  15. 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。
  16. A. niger m - l which was screened in our laboratory produced a strongly a - transglucosidase. in this paper, studies on the fermentation conditions, purification and characterization of a - transglucosidase and its necessary groups was carried out in this dissertation. the main reports were as following : the fermentation conditions in shaking flasks were investigated by the method of single - factor analysis, the suitable main medium was achieved : which contained 4 % a, 2 % b and 1 % g ; the a. niger m - l was inoculated into 100ml medium in flask, shaking in 33 c at 140r / min for four days, with initial ph6. 5 and 6 % inocula volume ; adding 0. 1 mmol / l methyl a - d - glucopyranoside had inductive effect on enzyme formation, the a - transglucosidase activity amounted to 296. 05u / ml

    本研究以黑麴黴m - 1為出發菌株，對其-葡萄糖轉苷酶的產酶影響因素、純化、酶學性質以及必需基團進行系統的研究，結果如下：通過對影響黑麴黴m - 1產-葡萄糖轉苷酶的單因素分析，得液態發酵生產-葡萄糖轉苷酶的最適產酶條件為： 4 a ， 2 b和1 g ；在33 ，起始ph值為6 . 5 ，轉速為140r min ，接種量為6 ，裝液量100ml條件下，發酵4 . 0d ，酶活力達296 . 05u ml ，添加0 . 1mmol l的酶作用底物甲基- - d -葡萄糖苷對產酶的誘導作用最大。
  17. 70kb and 130kb in size respectively. though pks gene cluster for antibiotics fr - 008 was cloned, the genes for amino - mycosamine residue remained unknown. thus, attempt was also made to clone the desired gene ( s ), streptomyces sp

    首先從大量的發酵液中提取分離了鏈黴菌fr - 008產生的抗生素fr - 008 ，並通過大孔樹脂吸附、柱層析等手段進行了初步提純。
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