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胸腺组蛋白
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  thymus histone
     The calf thymus histone used as controlwas separated into H1,H3,H2A,H2B,and H4 five different bands,whereasthe basic protein from Noctiluca nucleimigrated only in one band,with an ele-ctrophoretic mobility similar to thatof histone H4.The content of thischromatin basic protein was roughlyestimated to be about 60 pg per nucleusof Noctiluca miliaris.
     夜光虫的核碱性蛋白提取物及作对照的小牛胸腺组蛋白在100微米口径的毛细凝胶管中的对比电泳检测中,发现夜光虫细胞核的碱性蛋白只出现单独的一条蛋白带,其电泳迁移率与组蛋白H4组份的相当。 这一碱性蛋白在一个营养体夜光虫细胞核中的含量,估计约为60微微克。
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  “胸腺组蛋白”译为未确定词的双语例句
     70% of the activity was inhibited by 100 mmol/L MgCl2. The Michealis constants derived from double-reciprocal plots of the acetyltransferases for histone and acetyl coenzyme A were 1.2μmol/L and 18-20μmol/L respectively.
     经磷酸纤维素P_(11)柱层析纯化的组蛋白乙酰转移酶对乙酰辅酶A的米氏常数(Km)和对小牛胸腺组蛋白的Km分别为1.2μmol/L和18~20μmol/L。 组蛋白乙酰转移酶在体外也可乙酰化牛清蛋白和人血红蛋白。
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     are isolated and compared with the calf thymus histones using delectrophoresis on polyacrylamide and SDS-polyacrylamid gels.
     的三系及其F_1代的组蛋白,采用聚丙烯酸胶凝胶电泳及SDS—聚丙烯酸胺凝胶电泳进行分析,并与小牛胸腺组蛋白进行了比较.
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  相似匹配句对
     Histone Code
     组蛋白密码
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     Synthesis of Thymopentin
     胸腺五肽的合成
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     Research of Chromosome Nonhistone of Human Fetal Liver and Thymus of Different Developmental Periods
     不同发育时期胎儿胸腺和肝脏染色体蛋白质非组蛋白HMG的研究
短句来源
     Studies on Hutone H_1 from Fetal Thymus and Liver during Different Development Phases
     不同发育时期胎儿胸腺和肝脏组蛋白H_1的分离及其性质
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     The thymus was weighed;
     称取胸腺重量;
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  thymus histone
Protein kinase C activity was demonstrated in the soluble fraction of a sciatic nerve homogenate by assaying for lipid-activated, Ca+-dependent phosphorylation of calf thymus histone.
      
In vitro a complex was formed between calf thymus histone and PSS which was soluble only above pH 8.5, but not separable on a Dowex acetate ion exchange column.
      
Polytene chromosomes of Drosophila melanogaster can bind large quantities of calf thymus histone F1 and E.
      
Comparison with calf thymus histone fractions showed considerable similarities in the molecular weights.
      
Yet, both male and each of female X-chromosomes bind the same amount of thymus histone FI labelled with fluorochrome which indicates that they contain the same amount of "open" regions with exposedchromosomal DNA accessible to external proteins.
      
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We examined the chromosomal basic protein from the Dinoflagellate Amp-hidinium carterae.The chromosomal basic protein of A.carterae and calf thymus histoncs as control were isolated by four steps :methanol-fixation, cell-homogeni-zation, 0.3N HCl-extraction and acetone-sedimentation. The qualitative examination of the isolated proteins was made in acid urea polyacrylamidc gel elcctro-phoretic system. As a result, the histoncs from calf thymus were separated into five bands:H1, H3, H2A, H2B and H4, and no other...

We examined the chromosomal basic protein from the Dinoflagellate Amp-hidinium carterae.The chromosomal basic protein of A.carterae and calf thymus histoncs as control were isolated by four steps :methanol-fixation, cell-homogeni-zation, 0.3N HCl-extraction and acetone-sedimentation. The qualitative examination of the isolated proteins was made in acid urea polyacrylamidc gel elcctro-phoretic system. As a result, the histoncs from calf thymus were separated into five bands:H1, H3, H2A, H2B and H4, and no other protein bands were observed.The extracted protein from A. carterae showed only one single band. Its electrophoretic mobility was similar to that of calf thymus histone H4. This result together with those of other authors on biochemical and cytochcmical studies all indicates that the chromosomes of dinoflagellatc contain chromosomal basic protein.The opinion that the lack of chromosomal basic proteins is an important character of dinoflagcllate seems to be incorrect.

本研究用甲醇固定、细胞匀浆、0.3NHCl抽提及丙酮沉降的四步法提取了属于典型涡鞭毛虫类的前环藻(Amphidinium carterae)之染色质碱性蛋白及作为对照的小牛胸腺组蛋白,并以酸尿素系统的聚丙烯酰胺凝胶电泳,对所提取的蛋白作了对比检查。结果小牛胸腺的总组蛋白被分离成H1、H3、H2A、H2B及H4五条电泳带;前环藻的蛋白样品在组蛋白电泳区唯一出现了一条电泳带,其电泳迁移率相当于小牛胸腺组蛋白H4。根据本结果和另外一些作者对其他一些涡鞭毛虫类的生化和细胞化学研究的结果,表明以往主要根据经典的细胞化学研究之结果而认为涡鞭毛虫类的细胞核或染色体不含组蛋白或碱性蛋白作为其一重要特征,是并不全面和可靠的。包括本研究在内的几个生化研究结果也暗示了涡鞭毛虫类的染色质主要含一种电泳迁移率类似于组蛋白H4的碱性蛋白可能是一普遍现象。

Chromatin basic protein from oneto ten nuclei of dinoflagellate Noctilucamiliaris was examined by polyacry-lamide gel electrophoresis in capillarieswith an inner diameter of 100 μn.The calf thymus histone used as controlwas separated into H1,H3,H2A,H2B,and H4 five different bands,whereasthe basic protein from Noctiluca nucleimigrated only in one band,with an ele-ctrophoretic mobility similar to thatof histone H4.The content of thischromatin basic protein was roughlyestimated to be about 60 pg per nucleusof Noctiluca...

Chromatin basic protein from oneto ten nuclei of dinoflagellate Noctilucamiliaris was examined by polyacry-lamide gel electrophoresis in capillarieswith an inner diameter of 100 μn.The calf thymus histone used as controlwas separated into H1,H3,H2A,H2B,and H4 five different bands,whereasthe basic protein from Noctiluca nucleimigrated only in one band,with an ele-ctrophoretic mobility similar to thatof histone H4.The content of thischromatin basic protein was roughlyestimated to be about 60 pg per nucleusof Noctiluca miliaris.Although cyto-logical evidences have suggested thatNoctiluca nucleus is higher than typicaldinoflagellate nucleus and resemblesto that of eucaryotic cell,our resultshowed that Noctiluca nucleus,like atypical dinoflagellate nucleus,containsonly one kind of histone,instead of fivekinds of histone as in a eucaryotic cell.

本文以微量电泳方法在细胞水平上检查了属涡鞭毛虫(亦称甲藻)类的夜光虫(Noctiluca miliaris)营养体细胞核的碱性蛋白。为此而提出的单个细胞核的分离、匀浆及其碱性蛋白的提取和电泳分析方法,表明是有效而可靠的。夜光虫的核碱性蛋白提取物及作对照的小牛胸腺组蛋白在100微米口径的毛细凝胶管中的对比电泳检测中,发现夜光虫细胞核的碱性蛋白只出现单独的一条蛋白带,其电泳迁移率与组蛋白H4组份的相当。这一碱性蛋白在一个营养体夜光虫细胞核中的含量,估计约为60微微克。实验结果说明,夜光虫的细胞核虽然根据细胞学的研究是比典型的涡鞭毛虫类高等而更接近于典型的真核生物,但是它们并不含有典型真核生物普遍所含的五种组蛋白成份。在这一点上看来,它是又跟典型的涡鞭虫类相似的。

In this paper we present some new results of ~1H,~(13)C,~(31)P magnetic resonancestudies on RNA and its interaction with histones.RNA samples were prepared from yeast,rat liver,hopatoma,regenerated andembryo liver,as well as poly I:C and poly C.Histones were prepared from calfthymus,rat liver and spleen.~1H NMR spectra were obtained with a high resolutionsuperconducting NMR spectrometer operating at a frequency of 250MHz.~(13)C,~(31)Pspectra were obtained on a spectrometer with Fourier transformed mode.~1H and...

In this paper we present some new results of ~1H,~(13)C,~(31)P magnetic resonancestudies on RNA and its interaction with histones.RNA samples were prepared from yeast,rat liver,hopatoma,regenerated andembryo liver,as well as poly I:C and poly C.Histones were prepared from calfthymus,rat liver and spleen.~1H NMR spectra were obtained with a high resolutionsuperconducting NMR spectrometer operating at a frequency of 250MHz.~(13)C,~(31)Pspectra were obtained on a spectrometer with Fourier transformed mode.~1H and ~(13)CNMR spectra were measured with TMS used as an external reference.~(31)P NMRspectra were measured with pyrophosphoric acid(85%) as reference ratio.A.Adifferonce was found in chemical shift of the main peaks in the low regionamong five RNAs,the main peaks of yeast RNA were at 7.62 ppm,those of rat liverRNA were at 7.88ppm,rat hepatoma RNA at 7.22ppm,rat regenerated liver RNAat 7.88ppm,and rat embryo liver RNA at 7.64ppm.B.When rat spleen histone was interacted with yeast RNA,the proton peaks ofhistone became weak.When yeast RNA was interacted with calf thymus histone,theproton peaks of RNA in the low field region Ⅱ and region Ⅰ became weak;but theH-4′,H-5′ proton peaks of RNA in the high field region did not show the abovechanges.C.When yeast RNA was interacted with calf thymus histone,the ~(31)Pmagnetic resonance signal completely vanished.When poly Ⅰ:C was interacted withhistones,the ~(31)P magnetic resonance signal also completely vanished.The intensityof ~(31)P magnetic resonance signal became weak when poly C was interacted withhistones.

本文报道了酵母、大白鼠正常肝、大白鼠肝癌、大白鼠再生肝、大白鼠胚胎肝等的RNA的低场区质子主峰化学位移是各不相同的。酵母RNA的~(13)C谱能观察到24组碳原子峰,其~(31)P核磁共振信号出现在1.20ppm处;半高宽为40Hz。小牛胸腺、大白鼠肝和大白鼠脾等的组蛋白~1H谱的化学位移和波谱特征是相同的。小牛胸腺组蛋白的~(13)C谱可观察到5组碳原子峰。大白鼠脾组蛋白与酵母RNA相互作用后,组蛋白的质子峰变弱。酵母RNA与小牛胸腺组蛋白相互作用后,RNA低场Ⅱ区和Ⅰ区的质子峰变弱;~(31)P核磁共振信号完全消失。聚核苷酸I:C与组蛋白相互作用后,~(31)P核磁共振信号完全消失;聚核苷酸C与组蛋白相互作用后,~(31)P核磁共振信号强度约降低一半左右。

 
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