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腺嘌呤

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In the end, the effects of methylation on the properties of uracil and adenine-uracil base pair have been investigated.

最后,我们研究了甲基化对脲嘧啶单体以及腺嘌呤-脲嘧啶碱基对的影响情况。

In the present study, influences of 6-BA (6-benzyl aminopurine) on cluster root formation, exudation of citrate and malate and their concentration in the root clusters of P-deficient white lupin plants were studied by using of non-destructive localized collection method and high-performance liquid chromatography analyze technique.

本文研究了6-BA(6-苄基腺嘌呤)处理对缺磷的白羽扇豆排根形成的影响,并利用非破坏性原位收集方法和高效液相色谱技术研究了6-BA处理对根簇分泌柠檬酸和苹果酸及组织中这两种有机酸含量的影响。

As barbituric acid and riboflavin was respectively added into PC/4 coliposomal solution, the absorbivity of barbituric acid at 258 nm, and riboflavin at 222 nm and 264 nm decreased slowly with time. The onset of a hypochromic effect can be ascribed to adeninebarbituric acid or riboflavin interaction.

紫外可见光谱研究表明,底物巴比妥酸在258 nm的吸收峰,核黄素在222 am,264 nm的吸收峰随时间的延长而逐渐降低,这种减色作用归因于脂质体内的巴比妥酸和核黄素在亲脂区分别与双亲化合物上的腺嘌呤形成了氢键。

Furthermore, seven compounds were isolated from CSPD and their chemical structures were authenticated by spectral analysis as tetrandrine, fangchinoline, tetrandrine-2′- N-β-oxide, tetrandrine-2′- N-α-oxide, dicentrine, dicentrinone, and adenine, respectively.

从粉防己专属性对照物质中分得粉防己碱、防己诺林碱、tetrandrine-2′- N-β-oxide,tetrandrine-2′- N-α-oxide,荷包牡丹碱、荷包牡丹酮和腺嘌呤等7个成分,经波谱分析鉴定了结构。

Because adenine methylation does not occur endogenously in most eukaryotes, it provides a unique tag to mark protein interaction sites.

由于腺嘌呤甲基化不在大部分的真核细胞中内源性发生,它提供了一个单一的tag来标记蛋白质相互作用位点。

AAⅠcan bind covalently to the exocyclic amino group of purine nucleotides to form AAⅠ-DNA adduct. LC/MS/MS is a practical tool to detect AAⅠ-DNA adduct.

AAⅠ活化后能与腺嘌呤形成AAⅠ-DNA加合物,LC/MS/MS技术能够决速力便准确地检测AAⅠ-DNA加合物。

The results indicate that Ca(superscript 2+) and GA3, single or combined application treatments, promote cucumber seed germination treated with P. harmala alkaloid, increase germination rate, germination vigor and index; as well as α-amylase, protease, lipase, isocitratelyase, nicotinamide adenine dinucleotide kinase and Ca(superscript 2+)-ATPase activities; and GA and CaM content in cucumber seeds; but decrease abscisic acid content. The synergistic effects of combined Ca(superscript 2+) and GA3 on increasing GA and decreasing ABA are oberseved compared with Ca(superscript 2+) treatment.

结果表明,Ca(上标 2+)和GA3单一及复合处理可促进骆驼蓬生物碱处理的黄瓜种子的萌发,使黄瓜萌发率、发芽指数和活力指数提高,萌发种子的α-淀粉酶、蛋白酶、脂肪酶和异柠檬酸裂解酶活性及赤霉素和钙调素含量增加,烟酰胺腺嘌呤二核苷酸激酶和Ca(上标 2+)-ATP酶活性增强,脱落酸含量降低;且Ca(上标 2+)和GA3复合处理对GA含量的提高和ABA含量的降低与Ca(上标 2+)单一处理比较呈显著的加成作用。

objectiveto observe the effect of humulus scandens merr. on chronic renal failure.

目的观察葎草煎剂对腺嘌呤所致大鼠慢性肾功能衰竭(chronic renal failure,crf)模型的影响。

These compounds were identified as follows:chrysophanol (FP-1),physcion(FP-2),eriosematin(FP-3),scoparone(FP-4),lupeol(FP-5),betulinic acid(FP-6),3\',4\'-Dihydroxy-trans-cinamic acid octacosyl ester(FP-7),β-sitosterol (FP-8),flemiphilippinone A(FP-9),monopalmitin(FP-10),emodin(FP-11),islandicin (FP-12),salicylic acid(FP-13),p-methoxyphenylpropionic acid(FP-14),trideca-1, 3-diene(FP-15),lupinifolin(FP-16),flemichin D(FP-17),flemiphilippinin A(FP-18), auriculasin(FP-19),erythrinin B(FP-20),6-C-prenylluteolin(FP-21), 8-(1,1-dimethylallyl) genistein(FP-22),flemiphilippinin E(FP-23),flemiphilippinin F (FP-24),5,7,3\',4\'-tetrahydroxy-6,8-diprenylisoflavone(FP-25),flemiphilippinin D (FP-26),dorsmaninsⅠ(FP-27),osajin(FP-28),6,8-diprenyleriodictyol(FP-29), lupinalbin A(FP-30),genistein(FP-31),3\'-O-methylorobol(FP-32),orobol(FP-33), 5,7,2\',3\',4\'-pentahrdroxyflavone(FP-34),the mixture of biochanin A and prunetin (FP-35 and 36),genistin(FP-37),sophororicoside(FP-38),3\'-O-methylorobol-7-glucoside(FP-39),the mixture of sissotrin and prunetin 4\'-O-β-D-glucoside(FP-40 and 41),adenosine(FP-42) and luteoloside(FP-43,mixture).

这些化合物分别为大黄酚(FP-1)、大黄素甲醚(FP-2)、eriosematin(FP-3)、滨蒿内酯(FP-4)、羽扇豆醇(FP-5)、白桦酸(FP-6)、咖啡酸二十八烷酯(FP-7)、β-谷甾醇(FP-8)、蔓性千斤拔酮A(FP-9)、单棕榈酸甘油酯(FP-10)、大黄素(FP-11)、islandicin(FP-12)、水杨酸(FP-13)、对甲氧基苯丙酸(FP-14)、十三烷-1,4-二烯烃(FP-15)、lupinifolin(FP-16)、千斤拔素D(FP-17)、蔓性千斤拔素A(FP-18)、auriculasin(FP-19)、erythrinin B(FP-20)、6-C-异戊烯基木犀草素(FP-21)、8-(1,1-二甲烯丙基)-染料木黄酮(FP-22)、蔓性千斤拔素E(FP-23)、蔓性千斤拔素F(FP-24)、5,7,3′,4′-四羟基-6,8-双异戊烯基异黄酮(FP-25)、蔓性千斤拔素D(FP-26)、dorsmaninsⅠ(FP-27)、osajin(FP-28)、6,8-双异戊烯基圣草素(FP-29)、lupinalbin A(FP-30)、染料木黄酮(FP-31)、3\'-O-甲基香豌豆苷元(FP-32)、奥洛醇(FP-33)、5,7,2′,3′,4′-五羟基黄酮(FP-34)、鹰嘴豆素甲和樱黄素的混合物(FP-35和FP-36)、染料木苷(FP-37)、槐属苷(FP-38)、7-葡萄糖基-3\'-O-甲基香豌豆苷(FP-39)、印度黄檀苷和樱黄素4′-O-β-D-葡萄糖苷的混合物(FP-40和FP-41)、腺嘌呤核苷(FP-42)和木犀草苷(FP-43,混合物)。

Moreover, the preliminary test of the biological activity of the 8 target derivatives showed that 7-(2-adenine)ethoxyl-2-ethyl-4"- methoxy isoflavone and 7-(2-hydroxyl-3-piperidino)propoxy-2-ethyl-4"- methoxyl isoflavone have fine biological activities on suppression of the growth of MCF-7 cell in breast cancer and the hela cell in cervical cancer of human being.

另外还对8个目标衍生物进行了初步的药理活性试验,发现7-(2-腺嘌呤)乙氧基-2-乙基-4′-甲氧基异黄酮和7-(2-羟基-3-哌啶)丙氧基-2-乙基-4′-甲氧基异黄酮均有较好的抑制人乳腺癌MCF-7细胞和人宫颈癌hela细胞生长的药理活性。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。