黴菌酸 的英文怎麼說
中文拼音 [méijūnsuān]
黴菌酸
英文
mycolic acid-
Conclusion the concentrations of cefoperazone sodium, chloromycetin, ciprofloxacin lactate and gentamycin sulfate showed significant influence on the coagulation time and detection rate of fibrinogen in plasma
結論頭孢哌酮鈉、氯黴素、乳酸環丙沙星、硫酸慶大黴素等抗菌素及其濃度變化對血漿中纖維蛋白原的凝固時間和檢出率有顯著影響。Methods add the cefoperazone sodium, chloromycetin, ciprofloxacin lactate and gentamycin sulfate at different concentrations into plasma and determine the coagulation time and content of fibrinogen
方法採用凝固法,以加入抗菌素后血漿中纖維蛋白原的凝固時間為指標,觀察不同濃度的頭孢哌酮鈉、氯黴素、乳酸環丙沙星和硫酸慶大黴素對血漿纖維蛋白原的影響。Breeding of asperillus niger with high production of acid proteinase
高產酸性蛋白酶黑麴黴菌種選育The effects of substitution degree on paste viscosity, clarity, freeze - thaw stability, retrogradation, gelatinization difficult or easy degree, salt tolerance, sucrose tolerance and anti - mycotic characteristics of colocasia esculenta schott starch phosphate ester were studied
摘要研究了香芋澱粉磷酸脂的糊粘度、透明度、凍融穩定性、沉降穩定性、糊化難易程度、耐糖、耐鹽和抗黴菌能力。The results showed that compared with the colocasia esculenta schott starch, the starch phosphate ester had properties of easier gelatinization, higher clarity, better retrogradation, freeze - thaw stability and anti - mycotic characteristics improved, and paste viscosity decreased
結果表明,與原澱粉相比,香芋澱粉磷酸酯更容易糊化、透明度高、沉降穩定性好、凍融穩定性和抗黴菌能力有所改善、糊粘度減小。Sodium benzoate, which derives from benzoic acid, has been used for years by the carbonated drinks industry to prevent mold from developing in soft drinks
苯甲酸鈉從苯甲酸提取出來,為了防止黴菌在軟飲料中繁殖,已被應用於碳酸飲料工業多年。Analysis of the sequence revealed that adda resembled nifs of nitrogen - fixing bacteria and dnda. the entire add gene cluster showed 78 % identity to dnd gene cluster from s. lividans
同源性比較揭示add基因簇的adda基因與固氮酶基因nifs高度同源, add與變鉛青鏈黴菌dnd核苷酸的同一性為78 。The results showed that the extract by etoac presented a significant effect on staphylococcus aureau 、 bacillus cereus 、 bacillus megateriurn 、 proteus species, corynebacterium pekinense 、 trichoderma viride and aspergillus flavus all of which belonged to bacteria ; the extract by n - buoh presented significant inhibitory effect on bacillus mesentericus, bacillus subtilis 、 proteus species 、 bacterium prodigious, trichoderma viride and aspergillus flavus all of which belonged to bacterium ; the inhibitory effect become stronger and stronger with the extract concentration increaseing and the water phase of the extract did not present any antimicrobial effects
結果表明,乙酸乙酯萃取物對細菌中的金黃色葡萄球菌、蠟狀芽孢桿菌、變形桿菌、巨大芽孢桿菌、北京棒狀桿菌和黴菌中的綠色木霉、黃麴黴有明顯的抑菌作用;正丁醇萃取物對細菌中的馬鈴薯芽孢桿菌、變形桿菌、枯草芽孢桿菌、靈桿菌和黴菌中的綠色木霉以及黃麴黴有明顯的抑菌作用,且提取物的抑菌作用隨濃度增大而增強,而水相則沒有抑菌活性。The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp
對phz1754進行外切核酸酶( exonuclease , exo )順序缺失,獲得單向長度漸減重疊的系列突變體,核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps , frameplot程序分析揭示出該區域一個完整的開放閱讀框( orf )的存在,其大小為1656bps , g + c含量為70 . 3 ,編碼552個氨基酸,利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較,發現無論在核苷酸水平還是在蛋白水平上,該orf均與膽固醇氧化酶表現出同源性,而且與鏈黴菌膽固醇氧化酶同源性最高,說明該orf編碼膽固醇氧化酶基因。But in s. mycarofaciens, there is no distinctive propionate kinase, so that the utilization rate of propionic acid is lower than that of acetic acid. for this reason, it is hoped that the higher producers would be obtained by protoplast interspecies fusion between s. mycarofaciens and s. erythreus, which would transfer propionate kinase of s. erythreus to s. mycarofaciens. therefore, the fusion cells could use propionic acid as precursor in synthesis of mdma _ ( 1 ), which would reduce the production costs
根據文獻報道,紅黴素鏈黴菌中的丙酸激酶對丙酸的利用率是對乙酸的利用率的13倍;而在生米卡鏈黴菌中,無特異的丙酸激酶,菌體對丙酸的利用低於對乙酸的利用,因此希望利用原生質體種間融合的方法將紅黴素鏈黴菌的丙酸激酶基因轉移到生米卡鏈黴菌中,從而使融合子能夠利用丙酸鹽作為合成mdma _ 1的前體,提高mdma _ 1的產量,降低生產成本。464 and erythromycin producer s. erythreus as original strains, studies were carried out for researching higher producers and enhancing content of midecamycin ( mdm ) ai, which could use propionate as precursor to reduce production costs. according to the literature, the utilization rate of propionic acid is thirteen times to that of acetic acid by propionate kinase in s. erythreus
本論文主要研究了生米卡鏈黴菌與紅黴素鏈黴菌原生質體種間融合育種,以提高麥迪黴素a _ 1 ( mdma _ 1 )的組分,增加其對丙酸鹽的利用度,降低生產成本。2. cloning and functional expression of a heterogenous gene from a. nidulans in e. coli strain a. nidulans chromosome dna was used as template to amplfy gene qutb by pcr, the dna sequencing showed that the cloned gene was in agreement with the reported sequence
異源奎尼酸脫氫酶( qdhase )在大腸桿菌中功能性表達以構巢麴黴菌( a . nidulans )基因組dna為模板,用pcr方法擴增得到了qutb基因,序列測定與文獻報道一致。Benzyl chloride were used for extracting genomic dna of aspergillus. niger 14, about 1. 5kb specific fragment was obtained from genomic dna of aspergillus. niger 14 by pcr amplification with primers ( forward primer5 " ataggcatcatgggcgtctct3 " reverse - primer5 " cagctaagcaaaacactccgc 3 designed according to the known sequences of the phytase gene in the gene bank and pyrobest ? dna polymerase, after ligated with pmd18 - tvector, transformated into e. colidh5a competent cell successfully. 3. nucleotide sequence analysis of the cloned fragment revealed the presence of the whole phya gene in pcr product
用氯化芐法提取了aspergillus . niger14 ~ #基因組dna ,根據genebank中已知的黑麴黴植酸酶基因序列設計出一對特異性引物(上游引物: 5 ataggcatcatgggcgtctc3下游引物: 5 cagctaagcaaaacactccgc3 ) ,採用pyrobest ~ ( tm ) dnapolymerase (高保真dna聚合酶) ,通過pcr方法從aspergillus . niger14 ~ #基因組dna中擴增出了預期的1 . 5kb左右的特異性產物,將其與pmd18 - tvector連接后,轉化e . colidh5菌株的感受態細胞,經質粒抽提、酶切鑒定,確認該目的產物已得到成功克隆。A signal transduction via not only two - component regulatory system but also serine / threonine kinases generally regulates morphological and physiological differentiation in streptomyces
途經雙元件調控系統和絲氨酸蘇氨酸蛋白激酶的信號傳導調控鏈黴菌的形態和生理分化。Lactic acid can inhibit the growth of mold in vivo can be prevented by the use of antibiotic drugs in the dysbacteriosis
乳酸能抑制體內黴菌的生長,可預防使用抗菌素類藥物所導致的菌群失調。The nucleotide sequences of its dna of the gxcr1 shared more than 95 % homology with 102 strains of p. spp
該菌的its核苷酸序列與102株青黴菌的its核苷酸序列有95以上的同源性。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。Escherichia coli phytase appa is an alternative enzyme with performance advantages over the conventional a. niger enzyme. the appa phytase displays several favorable characteristics : an acidic ph optimum close to the physiological ph range of the stomach of pigs and chickens, higher affinity to sodium phytate, greater resistance to pepsin than the commercially available a. niger phya, and higher catalytic efficiency for phytate than that of all other known phytases
大腸桿菌來源的appa植酸酶是一種新型的植酸酶,與常規的黑麴黴植酸酶相比具有許多優點,如與豬、雞等畜禽胃的ph環境更加適應,與底物植酸更強的親合性以及對消化道蛋白酶更強的抵抗性。As a result, a333 strain had a 43 percent higher activity than control. however, activity raised a litter after the complex induced mutagenesin by uv and licl
產植酸酶黑麴黴菌株的誘變選育在對黑麴黴an01001進行紫外線誘變后,酶活最高的a333菌株比對照高出43 。The dnd phenotype was also found in dna of mycobacterium smegmatis mc2155 by pfge. query of the amino acid sequence of dnd cluster from s. lividance to the uncompleted genome sequence of me2155, a homologous gene with a 38 % identity to dnda was found and was tentatively named mddl
將變鉛青鏈黴菌的dnd基因簇與mc ~ 2155的基因組序列(未測完)進行同源比較后,發現mc ~ 2155中存在dnda的同源基因(暫命名為mddl ) ,且二者在氨基酸水平上的同一性為38 。分享友人