轉糖基作用 的英文怎麼說
中文拼音 [zhuǎntángjīzuòyòng]
轉糖基作用
英文
transglycosylation-
Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and
蘇州河的氨化菌無法利用無機氮和尿素作為氮源;在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響;高鹽度和低溫抑制氨化菌生長;堿性條件對氨化菌的生長影響不大,酸性條件對氨化菌生長具有抑制作用;氨化菌生物量的消長與轉氨活性之間不存在必然聯系, 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。Researches of schistosomiasis vaccines have gone more than 60 years, approximately including from the stages of dead vaccine and live vaccine ( irradiated attenuated cercariae vaccine ) to gene engineered vaccine, etc. many different forms of vaccines have been tested in animal models, including gluthathione s - transferase, paramyosin, irv - 5, triose phosphate isomerase, sm23, fatty acid binding protein ; which were considered promising by who / tdr. but none of them steadily accomplished the pre - set target level of 40 % protection. in order to enhance the protective capacity further, it is essential to develop novel vaccine antigens and / or vaccine adjuvants
血吸蟲病疫苗研究已有60多年的歷史,大致經歷了死疫苗、活疫苗(照射致弱尾蚴疫苗)和基因工程疫苗等研究階段,產生了一些who / tdr推薦認為很有希望的疫苗候選分子,如谷胱甘肽- s -轉移酶( gst ) 、副肌球蛋白( sm97 ) 、照射致弱疫苗抗原5 ( irv - 5 ) 、磷酸丙糖異構酶( tpi ) 、曼氏血吸蟲膜內在蛋白( sm23 )和脂肪酸結合蛋白( fabp , sm14 )等,但其對宿主的保護作用均不甚理想,未能穩定地達到40或以上的保護力水平,因此有必要繼續尋找新的疫苗抗原分子和/或疫苗佐劑,進一步提高其保護力。Translocation from endocytic compartments to the cytosol is the essential and rate - limiting step in the intoxication process of most toxins such as ricin, diphtheria toxin, shiga toxin and pseudomonas exotoxin ( pe ). a number of these toxins are transported to trans - golgi network ( tgn ), and in many cases such transport to the tgn is required for the translocation and cytotoxicity. in deed, 5 % of the ricin endocytosed by cells has been shown to reach the tgn
蓖麻毒素進入細胞的機理不甚明了,一般認為是rtb先與細胞膜受體結合,主要經過受體介導的內吞作用進入吞噬體,然後沿著內體、高爾基體、內質網等逆向分泌途徑,有序地運輸到內質網,最後從內質網轉位進入細胞漿,在胞漿內攻擊核糖體,從而抑制蛋白質的合成,導致細胞死亡。The a - transglucosidase was selectively modified by pcmb, me, edc, clac, acetyl acetone and nbs, and changes in the activities of the enzyme have been detected. the reaction of a - transglucosidase with pcmb, me, edc and clac resulted in a strong inhibition of the enzyme activities which decreased with the increase of modifier concentration. the acetyl acetone and nbs were found without inhibition effect
酚丙酮、小涅代唬拍酷亞胺剛b引等化學修飾劑對a葡萄糖轉苦酶的幾種氨基酸殘基進行選擇修飾,並測定其酶活力變化,結果表明: pcmb 、 me 、 edc 、 ciac能顯著抑制酶的活性,活力的下降與修飾劑的濃度有關,乙酚丙酮、 nbs白巾飾對酶的奪製作用不明顯。Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。Ppsa and tkta are the key genes in central metabolism of aromatic amino acids biosynthesis. ppsa encoding phosphoenolpyrucate synthetase a ( ppsa ) which catalyzes pyruvate into pep ; tkta encoding transketolase a which plays a major role in erythrose - 4 - phosphate ( e4p ) production of pentose pathway
Ppsa基因編碼磷酸烯醇式丙酮酸合成酶a ( ppsa ) ,該酶催化丙酮酸合成磷酸烯醇式丙酮酸; tkta基因編碼轉酮酶a ,該酶在磷酸戊糖途徑中生成4 -磷酸赤蘚糖起主要作用。Here we managed to make cultured mice peritoneal macrophages be directly influenced by oligochitosan, and be stimulated by ifn - r before oligochitosan added, then measured the changes of gene transcription and translation level of both il - 1 and imf - a, respectively by methods of relatively quantitive rt - pcr and elisa. first, rt - pcr results showed that 18 hours was the most effective time and 40ug / ml was the most effective concentration of oligochitosan, then by the same method, confirm that 4hours is the most effective time and loou / ml is the most effective concentration of ifn - r stimulating. because ifn - r can enhance il - 1 and tnf - a gene expression of macrophages alone, so add ifn - r to microphages alone for 22 hours, then examined by rt - pcr, the results showed that il - 1 and tnf - a gene expression have no remarkable difference compared with the blank contrast group
此外,由於ifn y單獨作用也可促進兩種細胞因子基因表達,故在巨噬細胞中加入ifn y單獨作用22h ,再經阿一pcr檢測,發現加ifn y的實驗組細胞的幾一lp和tnf a基因轉錄水平與空白對照組相比較無顯著性差異,可見,殼寡糖和ifn v對巨噬細胞il lp和tnf一口基因轉錄水平的影響在作用時間上無一致性,在殼寡糖作用最適時間時,僅受ifn y刺激的巨噬細胞il lp和tnf q基因轉錄己下降至刺激前水平,因此可以認為, ifn y的加入僅起到對巨噬細胞預刺激使之處于敏感狀態的作用,有利於增強殼寡糖對巨噬細胞的作用。Fos contain mixture of gf2, gf3 and gf4 sugars ( where g = glucose molecule and f = fructose molecule ) and a dp ( “ degree of polymerization ” ) of 3 - 5 ( “ neosugar ” ), are not naturally - occurring but are enzymatically synthetized from sucrose by action of an enzyme from the fungus aspergillus niger
詳細說明:是以蔗糖做底物,採用呋喃果糖苷酶轉果糖基作用,在蔗糖分子上以( 1 2 )糖苷鍵上與1 - 3個果糖分子結合,形成的蔗果三糖( gf2 ) 、蔗果四糖( gf3 ) 、蔗果五糖( gf4 )屬于果糖和蔗糖構成的直鏈雜低聚糖,在形成的產物中還有果糖、葡萄糖和未反應完全的底物蔗糖,採用色譜法除去單糖和雙糖制得高純度的低聚果糖。This contributes to make clearly position and function of - glc in forming course of tea aroma, substantiate the theory that the aroma of tea forms and also establish the foundation that utilize genetic engineering techniques to improve the cultivar of tea plant, quality of tea and insect - resistance and disease - resistance afterwards. in the paper, the complete cdna squence of - glc of tea was cloned in the tea leaf at the first time
因此,嘗試從茶葉中獲取-葡萄糖苷酶基因的cdna序列,將有助於進一步搞清-葡萄糖苷酶在茶葉花果香氣形成中的地位和作用,充實茶葉香氣形成的理論,也為以後利用基因工程手段改良茶樹品種,提高茶葉品質、抗病蟲能力以及該酶的轉化、調控的研究奠定基礎。Northern analysis revealed that p3galt - l was exclusively expressed in the brain while that p4galt - l was expressed highly in testis, moreover, sperm surface p4galt - l was suggested to play a significant role in signal transduction involving the acrosome reaction in the mouse. in the present study, we mainly detected the developmental expression and function of p - galactosyltransferases in mouse brain and testis. we first characterized the developmental expression of 3galt - l in mouse brain
- 1 , 3 -半乳糖基轉移酶- 1 ( 3galt - 1 )主要在腦中表達,而- 1 , 4 -半乳糖基轉移酶- 1在睪丸中表達較高,且精子細胞表面的- 1 , 4 -半乳糖基轉移酶- 1在精卵結合后的頂體反應中發揮了重要的生理作用。The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments
對歧管式單通道熱沉流動特性的研究結果表明,微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了表面活性劑添加對微通道流動特性的影響。I and hindlll respectively. after the digested products were run via agarose gel electrophoresis and transferred into nylon membrane, the southern blot was carried out using the cdna of rubber tree etrl as probe. the result of the southern blot showed that a hybridization band ( - 3. 0kb ) turned up from the ecor i digested product and another band ( - 4. 8kb ) turned up from the hindi ]
從橡膠樹pr107品系的嫩葉提取基因組dna ,用限制性內切酶ecor 、 hinofll分別酶切,瓊脂糖凝膠電泳分離並轉膜后,用克隆的橡膠樹etri基因的cdna片段作探針進行southern雜交分析,結果表明, ecor酶切在約3 okb處有一條雜交帶出現, hi 。However, there are limitied documents about receptor signal transduction within uterine endometrium during implantation. the factors regulating endometrial receptivity remain poorly understood. the objective of this dessert is to investigate mapk ' s expression and location in differnt days of pregnancy, as more important, we try to elucidate the relation of mapk and the receptivity of endometrium
本課題組經研究還發現lewis ~ y寡糖在植入中呈階段特異性表達,可影響其他如lif 、 egf 、 fn (纖連蛋白)和mmps (基質金屬蛋白酶)等因子的表達,推測其可能作為一種信息分子經某種轉導途徑(例如mapk )而發揮作用。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。The results suggested : the differential gene expression in the adrenal gland under acute hyperglycemia / hypoglycemia was related to blood glucose ; these genes might regulate blood glucose by influencing the metabolism and secretion of hormones, cytoskeleton constitution and signal transduction in the adrenal gland ; bbs4 gene might participate in glucoregulation via the activities of adrenal medulla ; the differential genes expressed under acute vs chronic hyperglycemia might play a basic role of the structural and functional changes in the adrenal gland, lead to the process of chronic complications of diabetes or accommodate to the status of hyperglycemia
結果提示:腎上腺基因差異性表達和血糖變化有關;在急性高低血糖情況下,這些基因可能通過影響腎上腺內激素的分泌和代謝、細胞骨架構成和信號轉導來調節血糖; bbs4可能參與血糖調節,其作用可能和腎上腺髓質的活動有關;慢性高血糖情況下的腎上腺差異表達不同於急性高血糖,這種表達差異可能與腎上腺慢性的結構和機能改變相關,或參與了糖尿病慢性並發癥的發生發展、高血糖狀態的調節。Gene population encoding proteins that involve in plant defensive reactions and adversity resistance, such as p1a5 gene encoding a non - specific lipid - transfer protein, p1b4 gene encoding a raucaffricine - o - p - d - glucosidase and p2d4, encoding a proline - rich protein ; ( 2 ) gene populations with antagonistic effects occurred simultaneously in sprouting bract, e. g.,
如pib4基因編碼的葡萄糖昔酶、 pias基因編碼的植物脂肪轉移蛋白、 pzd4基因編碼的一種富含脯氨酸的蛋白都有參與植物的抗逆、防禦或應激反應的功能八2 )幼嫩苞片中有互為桔抗作用的基因同期表達。For the life table calculations, we used hazard ratios for 3 transitions ( healthy to death, healthy to cvd, and cvd to death ), stratifying by the presence of diabetes at baseline and adjusting for age and confounders
在計算生命表格過程中,我們用風險比來表示三個轉變(健康到死亡、健康到發生心血管疾病、心血管疾病到死亡) ,以糖尿病的存在作為分層基線,並根據年齡和干擾因素進行調整。分享友人