rna 中文意思是什麼

Uracil - - a pyrimidine found in rna that base - pares with adenine

尿嘧啶- -核糖核酸中的一種嘧啶，與腺嘌呤形成堿基對。

Adenine a nitrogenous base ( 6 - amino - purine ) found in dna and rna

腺嘌呤：在dna和rna中發現的含氮的堿基（ 6氨基嘌呤） 。

Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method

利用從國外引進的新城疫熱穩定性天然弱毒b _ （ 95 ）株接種spf雞胚繁殖病毒，經處理后提取病毒的基因組rna ，參考國內外發表的ndv融合蛋白基因序列，設計一對特異性引物，經反轉錄聚合酶鏈式反應（ rt - pcr ）擴增出約1700bp大小的特異性片段，將此片段回收純化后，利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中，再轉化大腸桿菌jm109感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。

The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。

The detection of ribosomal rna gene amplification during mouse oogenesis

基因擴增的測定

Dsmv is proved as the predominating virus - pathogen on aroid plants from zhejiang province and other regions in china. cdna of dsmv rna 3 " end partial sequence and subgenomic rna promoter region of cucumber mosaic virus ( cmv ) rna3 were used as probes for detection of dsmv and cmv respectively. total rna extracted from field samples were used for rna dot - hybridization

用侵染馬蹄蓮的dsmv3末端序列和黃瓜花葉病毒（ cmv ）的亞基因組啟動子區互補dna序列為標記探針，對自然感病的天南星科植物進行rna斑點雜交，並結合雙鏈rna分析、病毒提純和形態學觀察，對杭州等地16屬天南星科植物的81個樣品進行了病毒鑒定。

Erythrocytes recently released by the bone marrow into the bloodstream often contain ribosomal rna.

剛從骨髓釋放入血流不久的紅細胞含有核蛋白體RNA。

Retroviruses use a similar set of components to seal offtheir rna in structures called capsids

逆轉錄病毒利用相似的成分包裝他們的rna ，在病毒結構上成為衣殼。

During the climacteric may be a transient burst of rna synthesis.

在轉換時期的RNA合成可能有短暫的驟增。

Homologues of era have been identified in prokaryotes and eukaryotes. there are two domains in era : the n - terminal gtp - binding domain and c - terminal rna binding kh domain. era plays an important role in cell cycle progression at a specific point in the cycle, after chromosome partitioning but before cytokinesis

Era是在原核和真核生物以及植物中普遍存在的g蛋白，是一個結構上既具有gtp結合結構域又有rna結合結構域、不同於ras的獨特的新的g蛋白亞家族。

Two major kinds of nucleic acids are found in living things: deoxyribonucleic acid or dna and ribonucleic acid or rna.

生物中存在著兩大類核酸：脫氧核糖酸和核糖核酸。

Ribose and deoxyribose are constituents of the nucleic acids rna and dna.

核糖與脫氧核糖分別是核糖核酸與脫氧核酸（DNA）的結構成分。

Ribose and deoxyribose are constituents of the nucleic acids rna and dna

核糖與脫氧核糖分別是核糖核酸與脫氧核酸（ dna ）的結構成分。

The roles of dicer protein in rna interference

干涉中的作用研究進展

Interferon is human body gets virus or double stranded the exciting generation immunity of rna exciter is respondent, by the cell synthesis reachs excretive gens protein kind

干擾素是人體受到病毒或雙股rna刺激物的刺激產生免疫應答，由細胞合成及分泌的一族蛋白質類。

Beta - exotoxin is an inhibitor of rna polymerase and acts competitively with atp in various biological processes

外毒素是rna聚合酶的抑制劑，在各個生化過程中與atp起競爭作用。

In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

擴增產物連接到pgem - teasy載體中，轉化大腸桿菌dh5菌株，篩選氨芐青霉素抗性菌落，提取質粒經酶切鑒定、 pcr分析以及確證性測序證明，所克隆的1500bp左右的片段含有完整的3abc基因，與國外參考序列相比，同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后，亞克隆3abc基因至原核表達載體ptriex - 4neo中，通過酶切鑒定、 pcr擴增以及序列分析，發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失，碰巧在3ab基因后形成一終止密碼子，但3ab基因的閱讀框架完整，選出含有3ab基因完整閱讀框架的陽性克隆，用iptg誘導表達，收集菌液進行sds - page電泳、 westernblotting分析，結果表明， 3ab基因在大腸桿菌中成功表達，其表達產物為分子量33 . 5ku的融合蛋白，並能被口蹄疫病毒陽性血清識別。經薄層掃描分析，表達量占總蛋白量的26以上。

Molecular genetics came to depend upon studies of the structure and function of dna, rna and protein.

分子遺傳學的形成仰賴于DNA，RNA和蛋白質的結構與功能的研究成果。

The monopartite genome of tobacco mosaic virus is a plus-strand rna molecule of 6395 nucleotides.

煙草花葉病毒的單份基因組是一個6395個核甙的（）鏈RNA分子。

When u. unicinctus is exposed to sulfide for a long time, the relative amounts of hemoglobin, heme and hematin in the coelomic fluid change in regular patterns. the rna extracted from the coelomic fluid show that some genes express during that process

長期生活于含有硫化物的水體中，單環刺?體腔液中與血紅素相關的生化組分將隨時間延長而發生有規律的變化；從中提取的rna也顯示這一過程中伴隨著相應的基因表達。