operon n.【生物學】操縱子。
n. 【生物學】操縱子。 “the operon“ 中文翻譯: 第十章 操縱子“ara operon“ 中文翻譯: 阿拉伯糖操縱子; 阿糖操縱子“arabinose operon“ 中文翻譯: 阿拉伯糖操縱子“gal operon“ 中文翻譯: 半乳糖操縱子“galactose operon“ 中文翻譯: 半乳糖操縱子“his operon“ 中文翻譯: 組氨酸操縱子“hut operon“ 中文翻譯: hut操縱子“inducible operon“ 中文翻譯: 誘導性操縱子“lac operon“ 中文翻譯: lac操作子; 乳糖操子; 乳糖操縱子; 乳糖操縱組“lactose operon“ 中文翻譯: 乳糖操縱子“leucine operon“ 中文翻譯: 亮氨酸操縱子“monocistronic operon“ 中文翻譯: 單順反子操縱子“operon concept“ 中文翻譯: 操縱子概念“operon gene“ 中文翻譯: 操縱子基因“operon network“ 中文翻譯: 操縱子網“operon theory“ 中文翻譯: 操縱子說; 操縱子學說“polycistronic operon“ 中文翻譯: 多順反子操縱子“repressible operon“ 中文翻譯: 可阻遏操縱元; 阻遏操縱子,阻遏性操縱子“rrna operon“ 中文翻譯: rrna操縱子“trp operon“ 中文翻譯: 色氨酸操縱子“tryptophan operon“ 中文翻譯: 色氨酸操縱子“catabolite sensitive operon“ 中文翻譯: 降解物敏感操縱子“dna lac operon“ 中文翻譯: dna乳糖操縱子“glucose sensitive operon“ 中文翻譯: 糖敏操縱子,葡萄糖敏感型操縱子“opernhaus zürich“ 中文翻譯: 蘇黎世歌劇院“opern“ 中文翻譯: 歌劇
operose |
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Using pcr technology , a 2 . 4kb dna fragment , part of tryptopanase operon , containing a promoter , a regulator gene tnac located downstream of the promoter and a desired tryptopanase gene tnaa which can be expressed by the promoter from e . coli k - 12 , was cloned to pmd18 - t vector . the dna sequence is the same as which was published on science 為了證明質粒上的基因能表達出有活性的色氨酸酶,將這個dna片段克隆到pet28c質粒的bamhi和hind位點上,使該片段受t7rna聚合酶的啟動子控制,然后轉化噬菌體de3的溶源菌bl21 ( de3 ) 。 |
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The c - phycocyanin ( cpc ) operon of blue - green alga ( or cyanobacteria ) arthrospira platensis fachb341 was cloned , sequenced and characterized by using chromoseme walking method . the sequence includes cpcb gene ( 519 bp ) , cpca gene ( 489 bp ) , cpch gene ( 357 bp ) , and upstream sequence of cpcb ( 427 bp ) and upstream sequence of cpch genes ( 184 bp ) , 111 bp of phycocyanin intergenetic spacer ( pc - igs ) . upstream sequence of cpcb gene was ligated into promoter - probe vector pegfp - 1 and transformed into three systems : e . coli , synechocystis pcc 6803 and a . platensis fachb341 by supersonic and electrophoresis methods 根據genbank中報道的節旋藻藻藍蛋白基因序列設計引物,首先克隆了鈍頂節旋藻( arthrospiraplatensisfachb341 )藻藍蛋白操縱子中亞基基因、亞基基因部分序列及二者之間的間隔區序列( pc - igs )并進行序列測定,然后根據此測序結果設計引物,通過染色體步移法克隆得到藻藍蛋白操縱子長度為2086bp的基因片段,其中包括藻藍蛋白亞基基因( cpcb , 519bp ) ,亞基基因( cpca , 489bp ) ,連接蛋白h基因( cpch , 357bp ) ,亞基基因上游啟動子序列( 427bp )以及各基因之間的間隔區( pc - igs , 111bp ; cpch與cpca間隔區, 184bp ) 。 |
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Puc18 - 169 was a subcloned plasmid containing the whole operon sequence of l - hydantoinase from arthrobacter bt801 which can convert 5 - benzylhydantoin to l - phenylalanine . hydantoin hydrolase which is responsible for the ring opening of hydantoin is one of the components of hydantoin utility enzymes of arthrobacter bt801 . n - carbamoylase is a part of hydantoinase operon which can transform n - carbamoylamino acids into the corresponding amino acids 節桿菌( arthrobacter ) bt801是由軍事醫學科學院生物工程研究所保存的l -乙內酰脲酶產酶菌株, puc18 - 169是由本室構建的含有節桿菌bt801的l -乙內酰脲酶完整操縱子序列的亞克隆質粒。 |
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Similarity coefficient and genetic distances between two arbitrary individuals were caculated according to the data of experiments , the pedigree was constructed by two means ( they were upgma and parsimony ) , and genetic diversity was discussedbased on selecting the best conditions of pcr with opg and opa primers from operon company , we obtained 163 bands using 24 random primers . in other words , 163 sites in crested ibis “ genome were detected . the bands from 23 primers showed polymorphism . minimurn of polymorphic ratio was 0 , maximum was 85 . 71 % , and average was 48 . 99 % . in the population which was composed by 37 individuals , most of genetic distances between two arbitrary individuals were less than 0 . 1 . the results showed that the degree of similarity among crested ibises was high while genetic diversity in the population was low accordingly 我們在對operon公司opg系列和opa系列引物進行優化篩選的基礎上,用24條隨機引物共擴增出163條譜帶,即檢測了朱?基因組中的163個位點,其中23條引物的擴增結果具有多態性;譜帶的多態比率最小為0 ,最大為85 . 71 ,平均為48 . 99 ;在由37只朱?組成的種群中,任意兩個個體之間的遺傳距離絕大多數在0 . 1以下。這些結果表明,目前朱?個體間的相似程度很高,種群的遺傳多樣性水平較低。 |
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Second , genomic dna polymorphisms of three mandarinfishes populations ( each bulked dna pool composed by 10 individuals ) were tested by rondom amplified polymorphic dna ( rapd ) using bulked segregant analysis ( bsa ) . 12 primers selected from operon kitz yielded reproducible and polymorphic dna fragments ranging from 125bp to 3kb . these primers generated 60 scorable marker bands of which 15 ( 25 % ) were polymorphic in qiupu river population ; 59 bands in changjiang population , 15 ( 25 . 4 % ) were polymorphic ; and 58 bands in wanfuhu mandarinfishes , 19 ( 32 . 8 % ) were polymorphic 20個引物中有12個在三群體間產生多態性,這12條引物在秋浦河鱖魚中擴增出了60條帶,其中15條為多態性(占25 ) ;長江鱖魚59條帶, 15條為多態性(占25 . 4 ) ;萬佛湖鱖魚58條帶, 19條為多態性(占32 . 8 ) 。 |
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21 wang l , trawick j d , yamamoto r , zamudio c . genome - wide operon prediction in staphylococcus aureus . nucleic acids res . , 2004 , 32 : 3689 - 3702 . 22 washio t , sasayama j , tomita m . analysis of complete genomes suggests that many prokaryotes do not rely on hairpin formation in transcription termination 本文所論述的不依賴終止子預測算法被整合于我們開發的rnall局部二級結構預測軟件包內,用戶可免費下載,網址為http : digbio . missouri . edu wanx rnall 。 |
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2 . cloning of structural genes of bacillus subtilis bio operon diluted the genomic dna of bacillus subtilis as the template , long pcr product ( 10 . 3kb ) and three salvage pcr products were separately gained by optimization of reaction conditions of pcr 枯草桿菌生物素操縱子基因的克隆將枯草桿菌基因組dna稀釋后,通過pcr反應條件的優化,分別擴增得到了生物素操縱子基因的長距離pcr產物( 10 . 3kb )和3個分段pcr產物。 |
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Bioinformatical analysis of pprl : pprl is the first orf in what appears to be a four - gene operon containing homologues of three genes ( folp , folb and folk ) in the folate biosynthetic pathway described in other prokaryotes Ppri的生物信息學分析: ppri是4個緊密相連基因的第一個基因,后面的三個分別是folp 、 folb 、 folk的同源物,它們參與葉酸的生物合成,因此ppri在基因組中的位置有點特殊。 |
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For highly efficient expression of the structural genes of bio operon , a lot of researched materials were constructed which could commercially operated in this experiment and these materials provided some explored experience and reference materials for future research 并構建了可商業化操作的研究素材,為以后的研究提供探索性經驗。本論文主要作了以下幾方面的研究: 1 |
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Contrasting analysis with the genes sequence of bacillus subtilis 168 strain ' s bio operon , the sequence of bio operon of as 1 . 1094 strain had 12 bases difference with that of 168 train , and 7 bases caused variation of amino acid 1094菌株與168菌株bioafdb基因序列完全一致, 9個差異堿基是由于pcr擴增導致的。枯草桿菌生物素操縱子基因4個亞克隆序列的測序結果證實, asi |
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However , in the late phase of the growth , the strain hv grew a little faster than e . colihms174 . hv ( ptz101 ) was constructed by the plasmid containing the phb operon and the parde gene tansformed into the strain hv 將帶有phb操縱子和質粒穩定分配基因parde的質粒ptz101引入vhb整合菌中,構建成為產phb的vhb整合菌hv ( ptz101 ) 。 |
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Used the genomic dna extracted by low melting - point agarose embedding method as pcr template , the full length of structural genes of bacillus subtilis bio operon were gained by long pcr method 將該方法提取的基因組dna稀釋100倍作為模板,采用長距離pcr方法,獲得了枯草桿菌生物素操縱子基因全長。 |
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This experiment probed how to improve the expression efficiency of the structural genes of bio operon , and provided the feasibly researched route and scientifically theoretical foundation 旨在探索如何提高生物素操縱子基因的表達效率,為該操縱子基因的高效表達提供可行的研究路線和理論依據。 |
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Used as 1 . 1094 strain of bacillus subtilis as researched material , the structural genes of biotin operon ( bio operon ) were cloned , and its sequence were engineered 本研究以枯草桿菌asl . 1094菌株為研究材料,克隆了生物素操縱子基因,并對基因序列進行改造。 |
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14 chen x , su z , dam p , palenik b , xu y , jiang t . operon prediction by comparative genomics : an application to the synechococcus sp . wh8102 genome 我們同時比較了采用單個兩個及三個參數的模型,發現采用三種參數的模型總體效率敏感率特異率最高。 |
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Like eukaryotes , but unlike bacteria , they have introns in their transfer rna , but like bacteria they have polycistronic operons ( gene regulators ) 像真核生物而不像細菌,轉運rna中含有內含子,還有細菌不具備的多順反子的操縱子(基因的調控子) 。 |
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Operon is a unit of bacterial gene expression and regulation , including structural genes and cis - acting control elements in dna recognized by regulator gene product ( s ) 控制某一代謝途徑的相關基因,緊密連鎖地排列在一起,受同一操縱子控制。 |
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Then the engineered genes of bio operon were carried on testing of the functional expression , and biow & biob gene were induced to express 而后對改造后的生物素操縱子基因進行了功能表達檢測及biow與biob基因的誘導表達。 |
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Trp operon and attenuationtrp 操縱子和弱化 |