菌體生產 的英文怎麼說
中文拼音 [jūntǐshēngchǎn]
菌體生產
英文
microbic biomass production-
The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss
將缺失型pap基因克隆到植物表達載體pbi121中,通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中,然後採用葉盤法,在該農桿菌的介導下將pap基因導入普通煙草中,經過卡那黴素抗性篩選,最後獲得了轉pap基因的工程煙草植株,摩擦接種煙草花葉病毒( tmv ) ,與非轉基因煙草相比,能夠推遲癥狀表現達2月之久,說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。This study adopted the ion compound antibacterial to produce the materials of antibacterial glass. two kinds of different carriers are used in this experiment, phosphate and borate system. the antibacterial glass material, which is added ag +, zn2 + through some carriers, has excellent antibacterial property against escherichia coli and staphylococcus aurous
實驗中採用兩種不同的玻璃載體體系,即磷酸鹽載體和硼硅酸鹽載體,將銀、鋅離子以一定的方式直接加入到玻璃生產的配合料中,一次性熔製成形,能夠制備出對大腸桿菌、金黃色葡萄球菌等細菌具有良好抗菌效果的抗菌玻璃材料。The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation
培養48小時,桿狀細胞的表面結構發生很大的變化,此時的菌體表面已產生大量的粘性多糖,這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起,即在纖維素被旺盛降解部位的菌體表面產生了大量突起;而產生突起的菌體深入到纖維素分子內部,纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。Mycelial growth and exo - biopolymer production by submerged culture of various edible mushrooms under different media
中譯:數種可食用真菌于含不同媒介之液態培養基中的菌絲體生長與外生物大分子的產生。Bromochemical producer in china. most products are brominated hydrocarbons, but they also include acetyl and propionyl bromide, and phosphorus tribromide
-主要以生產苯基丙酮1 , 4 -二溴丁烷4 -丁氧基苯酚1 . 3 -二苯基丙酮等為主的醫藥中間體產品和殺菌靈。4. an application of the developed software is given in the cephalosporin - c fermentation process, and some results are displayed and discussed
將所開發的軟體在抗生素(頭孢菌素? c )生產過程中進行應用,展示並討論了應用結果。In this paper, a strain was selected with high esterase activity. its characteristics of production and enzymology and separation of l - lactic acid were investigated. through primary screening and rescreening, a fungus, f - 16, with high esterase activity was selected
本文選育出了高活性酯酶產生菌株並對該菌體的產酶性質、酶學特性及酶對乳酸乙酯的手性拆分后產物分離作了一定的研究。D - amino acids as unnatural chiral products are important intermediates in the synthesis of products, such as - lactam semisynthetic antibiotics, antiviral agents, artificial sweeteners, pesticide, peptide hormones, and pyrethroids, etc. though bioconversion of d - amino acids using microbial cells has been realized in industrialization for decades, some limited factors hinder the development of d - amino acid production, and ultimately result in shortage of the raw material in the related industrial fields
目前,用微生物菌體轉化生產d -型氨基酸的工藝路線已經產業化,但天然菌體轉化工藝存在一些限制因素,阻礙了d -型氨基酸的擴大生產,導致產品短缺。因此,利用基因工程菌生物轉化d -型氨基酸已成為世界氨基酸產業的新潮流。The spores are produced on small teeth or lamellae rather than gills
孢子都是由子實體的小齒或小孔中產生而不是在菌褶上產生。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。Transduction in the salmonellap22 system is a rare event-about one transductant for every phage particles used.
在沙門氏--P22噬菌體體系中,轉導是稀少的,大約每噬菌體顆粒才產生一個轉導型。Carrot tissue culture and plant regeneration factors including explants, medium and culture condition are combined together to study the most efficient protocol of carrot tissue culture and plant regeneration thereof. the most suitable explant is fresh hypocotyls segment and precultured hypocotyls derived from 7 - 10 day old aseptic plantlets generating in dark or in dim light, the best recipe for cullus induction and subculture is b5c ( 85 with 0. 5mg / l 6ba and 0. 5mg / l 2, 4 - d ), the ideal recipe for plant regeneration is 65 or ms free of hormone. a phytotron with a 16 / 8 h day / night cycle, at 25 is feasible for plant regeneration, and occasional exposure to sun light dramatically stimulates plant growth
建立了高效的胡蘿卜組織培養及再生體系以適于生產飲料的胡蘿卜「新黑田五寸人參」為材料,研究不同外植體、不同培養基,不同培養條件對胡蘿卜愈傷誘導及再生的影響,建立一套高效的胡蘿卜組織培養再生體系:最適于誘導愈傷的外植體是弱光或黑暗下發芽7 - 10d無菌苗下胚軸,最適合的愈傷誘導培養基和繼代培養是b _ 5c ( b _ 5 + 0 . 5mg l6ba + 0 . 5mg l2 , 4 - d ) ,最適于植株再生的培養基為不添加任何激素的b _ 5或ms ,組織培養條件為25 、光照周期為16hr 8hr 。Implementation of the haccp program on control salmonella in poultry farm
體系對肉雞生產中沙門氏菌的控制效果In the study of floral - dip method, flowering inflorescences of oilseed rape growing in field are immersed in floral - dip solution resuspended with cultured agrobacterium tumefaciens lba4404 or eha105, resided binary plasmid pbi121
在油菜花序浸泡法( noraldip )轉基因的研究中,用含雙元載體及報告基因的農桿菌在生產大田直接浸染正在開放的油菜花朵。Mutated plasmid was transformed into e. coli tg1 cells to produce engineered peptide, then the peptide was purified by cm sepharose ion - exchange column. in vitro bactericidal assay and drug withdrawal were used to identify the bioactivity of the engineered peptide. the planar lipid bilayer membrane was used to assay the electrophysiology of the engineered peptide. toxicity studies on mammalian cells were used to assay the toxicity of the engineered peptide
將重組質粒轉化入大腸桿菌tgi工程菌中,生產構建的工程多膚,離子交換純化后獲得工程多膚初步純化產物,體外抗菌試驗、藥物撤離試驗檢測工程多膚的抗菌活性,在人工脂質膜上測定其形成離子通道的特性以初步研究抗菌機理, ?並觀察其對真核細胞的毒性作用。Biodiversity exists among am fungi and is influenced by numerous factors including soil properties and plant species. if am fungi are to be used in sustainable agricultural systems it is necessary to study native am fungi in the target areas and then select efficient isolates that can be applied as inocula in the field to improve crop growth. the objectives of this study were to investigate the germplasm of am fungi, to understand the distribution pattern of am fungi in different ecological conditions such as area, soil factor and host plant, to select isolates effective in nutrient acquisition by the host plant sweet potato, to test their effectiveness under field conditions, and to monitor amf after their introduction into the field
本研究通過調查我國北方部分地區的am真菌資源,研究了am真菌的種群組成及其在空間、土壤利用方式和宿主植物類型等不同環境條件和空間尺度上的分佈規律;在此基礎上,根據它們對甘薯的生長、吸磷效應篩選出高效菌株,在大田條件下研究了am真菌菌絲的分佈特性、代謝活性及其對甘薯產量和品質的影響;並通過分子探針跟蹤調查了引入am真菌在共生體中的發育和表達,以期為菌根真菌的生產應用提供技術支持。The growth and degradation curve showed that the two curve trends were similar. the degradation of map was attributed to the enzyme produced in the growth period. degrading enzymes ( or enzyme system ) were induced by pesticides
測定菌株b - 4的生長曲線和其對甲胺磷的降解曲線,發現甲胺磷降解曲線趨勢類似於菌株的生長曲線,說明菌體生長越旺盛,產生分解農藥的酶量就越大,降解甲胺磷的效果也就越好。The p33, which is considered to be the precursor of p27 and coordinate to e. coli tgi expressed phl, is expressed and excreted at lag phase. then a splicing process is supposed occurred during the exponential phase resulting in production of mature phospholipase p27. the p32 p31 p30, p29 are believed to be intermediates of this splicing process
但在菌體生長進入穩定期后,僅產生p60和p27兩種成熟的磷酯酶,其中p33為p27的前體蛋白,與phl應為同種蛋白,經剪切作用產生一系列的中間產物p32 、 p31 、 p30 、 p29 ,最終產生成熟蛋白p27 。The synthesis of poly ( - hydroxybutyrate - co - - hydroxyvalerate ) by the strain g - iiiy from different precusor was studied. it was found that the strain g - iiiy could accumulate phbv with sucrose as carbon source and propionic acid or valeric acid as precursor. in 2l self - controlled fermentor, the dry cell weight, phbv concentration and phbv content reached 35. 8g ? l - 1, 22. 6g ? l - 1 and 38. 4 % respectively in the case of fermentation for 42 hours and the propionic acid as precursor
研究了添加不同前體物, g - y菌株生產聚-羥基丁酸和聚-羥基戊酸共聚物( phbv )的發酵條件,結果表明,此菌株能以丙酸或戊酸為前體,在蔗糖為碳源的條件下合成phbv共聚物;在2l發酵罐中,以丙酸為前體,發酵16小時開始流加丙酸,根據發酵液ph值變化控制丙酸流加量,發酵42小時,細胞干重、 phbv產量和含量分別達到35 . 8g / l , 22 . 6g / l , 63 . 13 。The crafts of making sa / cs - cacl2 / pmcg capsule was introduced. the effects of pmcg on the growth of bacillus subtilis and was studied. and we also studied the difference of microencapsulated cell and free cell on growth rate, consuming rate of xylose and producing rate of notokinase and we got high activity of enzyme after 6 batches culture
詳細的介紹了sa / nacs - cacl _ 2 / pmcg微膠囊的制備過程,考察了pmcg對枯草桿菌生長的影響,並考察了微膠囊培養與游離培養在菌體生長和耗糖速率,以及納豆激酶產物分泌上的區別。分享友人