epsp 中文意思是什麼

epsp 解釋
興奮性突觸后電位
  1. The enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase ( epsp synthase ; ec2. 5. 1. 19 ), encoded by anoa locus, is a key enzyme present in microorganisms and plants where it has a function in the biosynthesis of aromatic amino acids. glyphosate ( n - phosphonomethyl - glycine ) is an effective non - selective, broad spectrum, postemergence herbicide, which has been shown to inhibit epsp synthase activity in a competitive manner. glyphosate tolerant plants can be mediated by either overproduction of the target enzyme or by the presence of an altered enzyme

    植物和微生物芳香族氨基酸生物合成過程中的一個關鍵酶? ? 5 -烯醇丙酮莽草酸- 3 -磷酸合成酶( epspsynthase ; ec2 . 5 . 1 . 19 )由aroa基因編碼,該酶受廣譜滅生性、內吸傳導型除草劑草甘膦的競爭性抑制,將epsp合成酶基因轉入植物中可獲得草甘膦耐受植株。
  2. Epsp excitatory post - synaptic potential

    興奮性突觸后電位
  3. The common biosynthesis pathway of aromatic amino acids includes seven steps from dahp to chorismate acid. for the common pathway, 3 - dehydroquinate ( dhq ) synthase ( encoded by arob ), 5 - enolpyruv - oylshikimate s - phosphate ( epsp ) synthase ( encoded by aroa ), and chorisma - te synthase ( encoded by aroc ] are rate - limiting enzymes

    芳香族氨基酸的合成步驟有七步是共同的,亦即從dahp到分支酸的合成步驟,其中脫氫奎寧酸合成酶( arob ) 、 5 -烯醇式丙酮酰莽草酸合成酶( aroa )和分支酸合成酶( aroc )是此代謝途徑的關鍵酶。
  4. Epsp synthase is a attractive prime target for many antimicrobial agents and herbicides

    該酶是許多抗生素、除草劑作用的首選靶標酶。
  5. At present, nobody have reported the phylesis research through dna sequence of epsp

    目前用epsps基因編碼區的dna序列來研究物種的進化關系尚未見報道。
  6. The epsp synthase is a necessary enzyme of the shikimate pathway and it is very conservative

    Epsp合成酶是莽草酸途徑的一個關鍵酶,其成熟蛋白在進化中極為保守。
  7. 5 - enolpyruvlshimimate - 3 - phosphate synthase ( epsp synthase ) is a necessary enzyme of the shikimate pathway in prokaryote, yeasts, fungi, apicomplexan parasites, plants and algae

    原核生物、酵母、真菌、頂配位寄生蟲、植物和藻類中的epsp合成酶是芥草酸途徑中的一個氨基酸必需酶。
  8. The amino acid sequences of epsp synthase between high plants have very high identity, but the identity of transport peptide of epsp is as low as 23 % between plants

    高等植物成熟的epsp合成酶的氨基酸序列之間具有很高的同源性,但epsp合成酶的葉綠體運輸肽的氨基酸序列同源性極差,各植物間僅23左右的同源性。
  9. The start codon is at 84 - 86bp, the stop codon at 1658 - 1661bp. the homologous comparison of the deduced amino acid sequence with other plant epsp synthase proteins shows the identity to those of b. napus, a. thaliana, tomato, n. labacum respectively are 92 %, 91 %, 80 %, 65 %

    同源比較該段序列所編碼的氨基酸序列可以發現epsp合成酶有較高的保守性,它與歐洲油菜、擬南芥、西紅柿、煙草的同源性分別為920 、 91o 、 80o 、 65o 。
  10. Two partially overlapping cdna fragments which were cloned from o. violaceus using the rt - pcr, 3 ' race ( rapid amplification of cdna ends ) and 5 ' race technique was assembled a 1758bp full cdna sequence of epsp synthase ( accession number in genbank : af440389 )

    採用rt pcr技術與3 』 race和5 』 race的結合,以諸葛菜的總rna為反轉錄的模板,克隆、拼結出了諸葛菜的epsp合成酶的全長。 dna序列(該段cdan的genbank的登錄號為: af440389 ) 。
  11. The nj map and simplest principle map based on 3 ' end coding sequences are identical to the two maps based on the complete coding sequences. this shows that 3 " end coding sequences of epsp can replace the complete coding sequences to analyze the molecular evolution

    用epsps基因全長編碼區的dna序列構建的nj圖,最簡約樹與用其3 』端編碼區dna序列構建的樹形圖相同,表明完全可以用epsps基因3 』端編碼區dna序列代替基因全長編碼序列作進化分析。
  12. The deduced amino acid sequence of the epsp synthase from psedomonas fluorescens g2 was compared to epsp synthase from various species. it shares 30 % homology with the epsp synthases from e. coli and salmonella typhimurium in class i and is different from patent - protected mutational sites

    將本實驗獲得的熒光假單胞菌g2epsp合成酶推導的氨基酸序列與class中大腸桿菌和鼠傷寒沙門氏菌來源的epsp合成酶同源性約為30 ,且不含有專利保護的突變位點。
  13. A pair of primers was designed based on the conserved regions of other higher plants " epsp synthase through homology alignments. two dna fragments were first cloned from o. violaceus by performing prc which used o. violaceus genome as the template. one has 798 nucleotides and the other 1157 nucleotides, but they can encode the same amino acid sequence and have same extrons according to the gt - ag rule of characteristic sequence of enkaryoutic intron

    根據同源比較其它高等植物中epsp合成酶基因,找出該基因的保守序列並設計一對寡核苷酸引物,以諸葛菜的總dna為模板進行pcr反應,克隆出了兩個epsps基因的片段,其中一條長為797bp ,另一條1157bp ,它們在genbank的登錄號為: af440390 、 af440391 。
  14. Using this system, we have studied matrine - inhibittory effect and trifluoperation - neuroprotection effect in hippocampal slices, also discussed the mechanism of long - term potentiation using anesthetic rats. the experiment results showed that matrine can inhibit the hyperactivity induced by penicillin sodium in dosage by changing the relative parameters of field potential ; trifluoperation can alter ps change with the time, enhance the degree and the ratio of ps recovery, then minis the hypoxic injury ; high frequency stimulate can increase ps amplitude and epsp slope for long time, buildup the in / out function of nerve cells, and enhance synaptic plasticity

    結果表明,苦參堿能夠劑量依賴性地抑制青霉素誘導的神經元順向信號傳導激活過程,使細胞外記錄到的場電位各個參數發生相應改變;三氟拉嗪可以改變ps的時相變化,提高ps的恢復程度和恢復率,減小了神經元因缺氧引起的不可逆損傷;高頻刺激( highfrequencystimulate , hfs )可以長時間的增強ps的幅度和epsp的斜率,進而增強神經元的輸入輸出功能,增加了突觸的可塑性。
  15. The predicted protein contained 441 amino acids. the activity of the epsp synthase encoded by these two subclones was shown by complementation of the aroa mutation in e. coli strain er2799, indicating two subclones possess a intact activity of the enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase

    採用互補試驗驗證分離的與草甘膦耐受相關的dna片段的生物學功能,結果顯示r3h1和r7h1均能使大腸桿菌epsp缺陷型菌株er2799恢復在限制性培養基上的生長能力,證明這兩個亞克隆的插入片段具有完整的epsp合成酶功能。
  16. It shares less than 25 % homology with the epsp synthases in class ii. it also shares 24. 5 % homology with the epsp synthase isolated by monsanto company and does not contain any conservative sequences and mutational sites protected by patents. all of the above shows great potential for future development

    與class的epsp合成酶同源性低於25 ,其中與monsanto公司分離的根癌農桿菌( agrobacteriumtumefaciens ) cp4來源的epsp合成酶同源性僅為24 . 5 ,且不含有專利保護的保守序列和突變位點,顯示了良好的開發應用潛力。
  17. The insert dna fragments are 7kb and llkb, respectively. two subclones that were designated pgr3h1 and pgr7h1 and can increase glyphosate resistance of e. coli jm109 up to 150mm glyphosate were constructed by subcloning the 2. 4kb and 3. 2 kb hind ? / psti fragments of pgr3 and pgr7 into the corresponding sites of pgem - 3zf and pbluescript. sequence analysis of these two subclones revealed a completely identical 1323bp open reading frame that encodes an epsp synthase

    以pgem - 3zf和pbluescript為載體,利用限制性內切酶hind和pst構建這兩個克隆的亞克隆,從中分別得到兩個草甘膦耐受亞克隆pgr3h1和pgr7h1 ,插入片段各為2 . 4kb和3 . 2kb ,對這兩個亞克隆進行序列分析,發現二者均含有一個核苷酸序列完全相同的完整的epsp合成酶基因? ? aroa ,其核苷酸序列長為1323bp ,推導的epsp合成酶由441個氨基酸組成,兩個亞克隆的草甘膦耐受濃度最大可達150mm 。
  18. Glyphosate is a foliar applied, broad spectrum, post - emergence herbicide capable of controlling annual and perennial grasses and dicotyledonous weeds. due to the similarity structure between glyphosate and phosphoenolpyruvate, glyphosate can inhibit epsp synthase by rivalrously uniting epsp synthase with phosphoenolpyruvate

    草甘膦是一種施用於葉片的、廣譜的、非選擇性的、后現性的有機磷類除草劑,它對于許多一年生和多年生雜草和雙子葉植物都有極強的控制能力。
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