m gene 中文意思是什麼

m gene 解釋

  • m : (pl. M's, m's)1. 英語字母表第十三字母。2. M 形狀的東西;【印刷】= em. 3. M (羅馬數字) 1000. MCML = 1950.
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  1. ( 2 ) gene flow frequency was reduced as distance from pollen donor increased and a dramatic reduction occurred at about 2 meters. the maximum distance where gene flow was not detected was 50 m for hybrid rice while it was 70 m for ms lines, with an exception that in one of the four ms lines it was detected a frequency of gene flow 2. 8 + 10 - 6 at 150 m for zhong 9a

    在開花期主流風向ne的風速為0 . 2 ? 2 . 2m / sec的條件下, 2個雜交稻品種的最大漂流距離為40m ; 4個不育系的基因漂流基本上到60m為止, 70m處基因漂流頻率均降為0 ,僅中9a在150m處發現了1株basta抗性苗,經pcr檢測驗證為陽性。
  2. Objective to investigate the effects of fluid shear stress on il - 8 gene in human umbilical vein endothelial cells ( huvecs ) and the roles of time course of low shear stress and intensity of fluid shear stress using lightcycler ? system ; to investigate the gene expression profiles in huvecs exposed on low shear stress ( 4. 20 dyne / cm2, 2 h ) and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ) using the cdna microarray approach. methods endothelial cells were isolated from human umbilical cord veins by collagenase treatment as described by jaffe and modified

    目的探討人臍靜脈內皮細胞( humanumbilicalveinendothelialcells , huvecs )在流體切應力作用下il - 8基因的誘導表達以及切應力的作用時間和作用強度對il - 8基因表達影響的變化規律;利用表達譜基因晶元技術研究內皮細胞在低切應力( 4 . 20dyne cm ~ 2 , 2h )作用下其切應力相關基因的表達情況以及生理濃度( 10 ~ ( - 7 )的17 -雌二醇孵育內皮細胞48h ,再經同樣條件的切應力處理后對內皮細胞切應力相關基因表達的可能影響。
  3. Dec. 15, 2002, 30 : 5529 - 5538. 12 dixon d a, kaplan c d, mcintyre t m et al. post - transcriptional control of cyclooxygenase - 2 gene expression

    隨著技術的不斷進步,我們相信結合基因轉錄產物量和mrna降解率可以更好地描述轉錄調節。
  4. G gene of rabies virus m, the of two main regions ( about 1000nt ), ranging from 3161nt to 4162nt and ranging from 4012nt to 4863nt of glycoprotein gene of rabies virus strain m, isolated from mouse in he nan, china were amplified by reverse transcriptase - polynerase chain reaction ( rt - pcr ) in order to complete glycoprotein gene of strain m. these regions were sequenced by the produce of pcr directly. comparison and analysis of nucleotide sequence and amino acid sequence deduced with that of other strains published was performed by computer with dnasisv 2. 5demo software

    本研究對我國河南某地野鼠體內分離的狂犬病野毒株mrv基因的3161位? 4162位( 1001個堿基)和4012位? 4863位( 851個堿基)片段進行了反轉錄pcr擴增和序列測定,得到mrv的糖蛋白基因全序列,用dnasisv2 . 5demo分析軟體,與已發表的代表性毒株g基因全序列進行核苷酸和氨基酸序列的比較分析,結果表明在同一基因型中, mrv和國際標準攻毒株cvs的同源性最高( 96 . 5 ) ,和中國減毒株ctn的同源性最低( 79 . 8 ) 。
  5. In this paper, a field strain of infectious bronchitis virus was isolated from proventriculus tissue, morphological observation by electron - microscope and the biological characterizations of the virus were studied, pairs of specific primers are designed and synthesized in correspondence with them, according to the published sequences of infectious bronchitis virus three structural protein ( spike protein s membrane protein m nucleocapsid protein n ) genes, the cdna of si gene, s2 gene, m gene. n gene of ib v isolate lx4 were amplified by rt - pcr and full sequences were first reported

    在此基礎上,根據國內外已發表的ibv基因序列,分別設計特異性引物,應用不同引物進行反轉錄合成cdna ,分片段對ibv的主要結構基因進行pcr擴增,並分別將各個目的片段克隆到puc19載體上,在大腸桿菌dh5中實現目的基因的分子克隆,經藍白斑篩選、限制性內切酶分析、 pcr鑒定,篩選出重組陽性質粒,並對各個目的基因片段進行序列測定,從而獲得ibv主要結構基因全序列。
  6. Israelensis recombinants, which contained recombinants plasmid pmt4 and pmt9 respectively, were obtained by electroporation. the bioassay results showed that the recombinants b - pmt9 and b - pmt4 had toxicities both to resistant and susceptible c. quinqnefasciatus larvae during vegetative growth stage, having the lc ? o values similar to that of. fi. sssii - 1. however, the toxic levels of the final sporulated cultures of recombinants b - pmt4 and b - pmt9 differed, with a lcso value of 2 49mg / ml for b - pmt9 and little toxicity for b - pmt4 by using the plasmid pmt9, m txl gene from b. sphaericus was ligated with p20 and cytjaa gene, giving recombinant plasmid pmpx2

    含有pmt9和pmt4的大腸桿菌轉化子能表達產生mtx1毒素,發酵液對敏感和抗性致倦庫蚊幼蟲具有中度毒殺作用;含有pmt9和pmt4的蘇雲金芽孢桿菌轉化子b - pmt9和b - pmt4在營養體生長階段對敏感蚊幼和抗性幼蟲也具有毒性,毒力與野生型b . sss - 1相當,而不同轉化子在芽孢形成期的毒力因插入的mtx1基因轉錄方向不同而表現出差異,其中b - pmt4對目標蚊幼毒力極低( lc _ ( 50 ) 10mg ml ) ,而b - pmt9對蚊幼蟲具有毒性( lc _ ( 50 ) = 2 . 49mg ml ) 。
  7. Mutant gene affected m - centrin propertities. from uv different spectrum, we know that there are fine absorption of tyr and trp apart from those of phe

    實驗表明:從紫外吸收圖譜看,突變之後的中心蛋白中除了苯丙氨酸的精細結構外還有酪氨酸和色氨酸的吸收峰。
  8. 13 chatterjee - kishore m, wright k l, ting j p, stark g r. how stat1 mediates constitutive gene expression : a complex of unphosphorylated stat1 and irf1 supports transcription of the lmp2 gene. embo j., 2000, 19 : 4111 - 4122. 14 mahboubi k, pober j s. activation of signal transducer and activator of transcription 1 stat1 is not sufficient for the induction of stat1 - dependent genes in endothelial cells

    例如, jak - stat中, socs1 ppn以及stat1蛋白對于系統輸出的影響相對其他蛋白來說要明顯的多,這三個蛋白主要控制著jak - stat信號通路的「信號幅度」和響應強度response magnitude ,最大響應值。
  9. The sequence 56 analysis shows that there is a long open reading frame in it which encode a protein of 364 animo acid residues. the m protein include 47 basic amino acid, 30 acidic amino acid, which cause a basic estimated pi of 9. 7. phylogenetic tree based on ndv matrix protein gene shows that the b95 and v4 has the most close relationship than other ndv strain

    關于ndvm蛋白國內未見有報道,國外對此蛋白的研究也十分有限,本文克隆出了ndv株b95m蛋白基因的全序列,為m蛋白的表達及進一步研究其在病毒復制與致病中的作用機理打下了基礎。
  10. High stability of ptr102 - derived marking plasmids indicated that novel vector systems based on ptr102 could be constructed for the study on molecular biology and ecology of m. huakuii. 1kb gfp cdna fragment amplified by pcr was cloned into e. coli expression plasmid pet - hc, which was under the control of rna polymerase gene promoter from phage t7 with its own translation initiation codon

    將pcr擴增的1kbgfpcdna片段克隆到大腸桿菌表達載體pet - 11c上,使gfpcdna在帶有lac操縱基因的t7噬菌體rna聚合酶基因啟動子的控制下、以自身的atg作為翻譯起始密碼進行翻譯。
  11. 97 % identities in amino acids respectively. the e. coli strain dh5 transformed recombinant plasmid phn was induced with 0. 6 mmol / m iptg for n gene expression. the expressed product was identified by sds - page and westem - blot test, a fusion protein about 47ku as we expected was found

    將含有重組質粒phn的菌株dh5在37條件下培養,以濃度為0 . 6mmol / liptg誘導,重組質粒n基因phn融合蛋白獲得了表達:經sds - page , western - blot試驗,確定其表達的融合蛋白產物大小為預期的47ku 。
  12. Bhattacharyya np, basu p, das m, et al negligible male gene flow across ethnic boundaries in india, revealed by analysis of y - chromosomal dna polymorphisms [ j ]. genome res. 1999 aug ; 9 ( 8 ) : 711 - 9

    李冬娜、應大君、區采瑩,等.中國海南島黎族人群y染色體上四個微衛星基因座的多態性研究.中華醫學遺傳學雜志[ j ] . 2003 ; 1 : 1 - 3
  13. The excitation control of synchronous gene rators is one of basic m e ans that ensures the stable operation of power syst em a nd im proves the dynam i c character of power system

    同步發電機勵磁控制是保證電力系統穩定運行和改善電力系統動態品質的一項基本措施。
  14. The expression vector pse380 - / iy / was constructed and transformed into e. coli dh5a, expressing hyl gene by adding iptg into the broth. the expression of hyl gene showed a 120kda protein band on sds - page gel and was found to have capability to degrade ha molecules derived from a microorganism dissolved in 0. 1 m acetate buffer solution ( ph4. 0 )

    經轉化大腸桿菌dh5a和iptg誘導表達後用sds - page電泳分析,獲得一條約120kda的表達條帶; iptg誘導表達后提取原生質膜測定透明質酸分解酶活力,表明該hyl片段的產物能夠在體外分解細菌來源的ha 。採用兩種策略滅活hyl基因。
  15. In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure

    我們實驗室曾用一特殊的突變檢測系統,直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變:首先用低濃度( 0 . 2 m )的短壽烷化劑mnng (半壽期為1 . 1hr )處理細胞2 . 5h后,繼續培養24h ,將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制,發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。
  16. The ratio of ( s + g2 ) / ( g2 + m + s ) and pi value of mc - 3t3 - el cells increased in the condition of 1um / l e2. the effects of e2 on igfbp - 6 and igf - 2 gene expressions were suppressed by tcdd and ra. the binding of ere at higfbp - 6 5 " - utr ( dna sequence : aactctgacc, + 94 to + 103 ) was enhanced by tcdd

    第三部分igfbp一6基因5 』一utr中ere的鑒定及功能分析目的:骨骼組織起源於胚胎期中胚層,維持正常的胚胎期骨骼發育需要多種生長因子、細胞因子和激素的參與,其中雌激素可通過多種途徑作用子中胚層內間
  17. Using a pair of special primers, whole sequence of m gene of b95 were amplified by rt - pcr and be sequenced after being directly inserted in plasmid vector pbluescript sk

    結果表明: b95m蛋白基因全長1232bp ,共編碼364個氨基酸,其中堿性氨基酸有47個,酸性氨基酸有30個,等電點為9
  18. Cloning and sequences analysis of sars - cov m gene

    基因的克隆及序列分析
  19. The nucleotide sequences and deduced amino acid sequences of the m gene of 8 ibv isolates in china with the published sequences of reference strains in genbank were analyzed and compared, the results showed that the nucleotide sequences homogeneity between them is 87. 1 % ~ 100 %, and the deduced amino acid sequences homogeneity is 88. 1 % ~ 100 %

    將m基因核苷酸序列和推導的氨基酸序列進行比較的結果表明ibv分離株彼此間的核苷酸同源性為87 . 1 - 100 ,其相應的氨基酸序列的同源性為88 . 1 - 100 。
  20. Liang p using dd - pcr to compare normal breast cell with breast cancer cell, he found si and s2 gene expressing in normal breast cell, then m gene only expressing in breast cancer cell

    1992年,梁鵬等就應用該方法對正常的乳腺和乳腺癌細胞進行了比較。結果發現正常乳腺細胞中表達sl和s2基因,而m基因僅在乳腺癌細胞中表達。
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