orf 中文意思是什麼

It ' s meaningful to study the function of rab proteins in ciliates and further to explicit the mechanism of vesicular trafficking. the rob gene was amplified from macronuclear dna of euplotes octocarinatus. the size of gene was 783 bp long with an orf of 624 bp encoding eorabl protein and containing three in - frame tga codes

本研究利用pcr技術從游仆蟲（ euplotesoctocarinatus ）大核dna中擴增出rab基因，並對該基因進行序列分析，該基因全長為783bp ，兩端為端粒序列，編碼框為624bp ，編碼207個氨基酸，開放讀框中有3個tga ，在此編碼半胱氨酸。

The middle fragment derived from orf i of borna disease virus which infected human being and animal has a very high conversation and concordance

感染人和動物的bdvorfi基因中部片段具有高度的保守性和一致性。

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。

2 the polymorphism of ul136 gene dna and amino acid sequence 1 ) the length of ul136 orf in all 18 clinical isolates was similar to that of toledo, 723 bp in size. they hade the potential to encode 241 amino acid protein

? 2 ?二月136基因編碼區及編碼產物氨基酸序列的多態性株臨床低傳代分離株ul136orf長度均與toedo株相同，為723hp ，預測編碼241個氨基酸的蛋白。

The dna sequence had a complete orf ( open reading frame ), which coded a protein of 479 amino acid residues. the protein sequence of enolase which contained the conserved domain, was homologue to enolase of other organisms. it showed 83 % ideaity and 89 % similarity compared to the enolase in chlamydomonas reinhardtii

並將其中的一個gus基因用目的片段烯醇酶基因替換，構建了可以在植物中高效表達的載體pcambia2301g一enolase ，成功地將其轉入根癌農桿菌eha105中，為下一步進行轉基因植物的研究作準備。

Orf, open reading frame

和開放閱讀框架

The pgl29 cdna is 1698bp containing an orf of 783bp encoding a protein with 260aa

Pelfq的全長cdna序列為1698hp ，含有一個編碼260aa的orf ，編碼蛋白的分子量為28

" at first, i thought he was making a bad joke, " austrian broadcaster orf quoted the woman, helga aichwalder, as saying

受到威脅的婦女海爾加?艾克瓦爾德說： 「一開始，我還以為他是在開一個惡劣的玩笑。 」

So, we analysed its characterization. it consists of 2. 8kb cdna with 1362bp orf and codes 454 amino acids with only a sh2 domain

8kb ，由9個外顯子和8個內含子組成，編碼的蛋白質有454個氨基酸，含有一個sh 。

Detection the middle fragment derived from orf i of borna disease virus is another probably sensitive and stably marker for confirming borna disease virus infection

Bdvorfi基因中部片段可能是證實bdv感染的另一具有敏感性和穩定性的指標。

Antigenic index analyses and orf map indicated that alv - j gp85 - like of spf chicken, meat - type chicken and df1 were similar highly to exogenous alv - j

內源性類alv - jgp85序列與外源性alv - jgp85基因具有相似或一致的orf和jameson - worlf抗原表位優勢。

Marek " s disease virus ( mdv ) phosphoprotein 24 ( pp24 ) gene was amplified from md11 strain by polymerase chain reaction ( pcr ). then we cloned it into the downstream of gst gene according to the right open reading frame ( orf ) in pgex - 6p - l vector

本研究將型mdvmd11株的pp24基因的完整orf克隆入原核表達載體pgex - 6p - 1中，重組質粒pgex - pp24轉化bl21宿主菌后，經iptg誘導表達。

When using the nuclear acid sequence and the predicted amino acid sequence of scghr to blast the fugu genome, we found that there were two contigs which shared the most similarity with scghr. therefore we realized there maybe were two ghrs encoded by different genes in teleosts. then, by means of nuclear acid sequence joining, orf of fghr1 and fghr2 were predicted from fugu genomic sequences using cohoghr isf1, cohoghr isf2, chghr and other related ghr amino acid sequence available at ncbi database

當利用南方鯰ghr的核苷酸、氨基酸序列blast東方?的基因組時，發現有兩個contig與其氨基酸序列非常相似，因此意識到魚類可能存在兩種不同基因編碼的ghr 。隨後主要利用已經克隆得到的cohoghrisf1 、 cohoghrisf2 、 chghr以及其他魚類ghr核苷酸和氨基酸序列blast東方純的基因組，採用序列拼接的方法從東方?基因組中分離出兩種不同基因編碼的fghr1和fghr2 （本研究把和傳統ghr相似的叫做ghr1 ，把另外一種叫做ghr2 ） 。

Badh cdna ( 1901bp ) included a 66 bp 5 " utr, a 329 bp 3 " utr and a 1506 bp orf encoding a 501 - ammo - acid polypeptide which showed 88 % sequence identity to badh from spinach, sugar beet and atriplex hortensis respectively. the deduced amino acid sequence included a decapeptide sequence " vtlelggksp ", which is highly conserved among general aldehyde dehydrogenases ( aldh ), and a cysteine residue

Badhcdna全長1901bp ， 5端非編碼區66bp ， 3端非編碼區329bp ，含有2個可能的加polya信號： aataa ，開放閱讀框架1506bp ，編碼一個由501個氨基酸構成的多肽，與菠菜、甜菜、山菠菜badh的氨基酸序列同源性均為88 ，其中有醛脫氫酶的保守序列vtlelggksp和半胱氨酸殘基。

Goat anti - human ige antibody were used as second antibody to make sure that the positive clones were ige related. through three cycles of screening, the inserted cdna fragments of the positive clones were amplified by pcr and sequenced. the results showed that the inserted cdna fragment from one clone was 1200 bp in length, with a orf of 507 bp which encoded 169 amino acids

Sj43b pgex 6p 1重組質粒的誘導表達、表達產物的鄉寸和免疫學性質鑒定分析為獲得可溶性的rsj43b月6gsta蟲合蛋白，對不同iptg誘導劑濃度、誘導表達溫度和誘導表達時間等因素對融合蛋白可溶性表達的影響進行了觀察。

The 496 bp fragment of the orf of p22 gene and a 561 bp fragment were amplified from the genomic dna of zs strains of toxoplasma gondii. both 496 bp and 561 bp fragments were successfully cloned into the plasmid pthiohisa, b, c and pbudce 4. 1 respectively. 2

從弓形蟲zs株基因組中擴增出p22編碼基因的一長496bp ，另一長561bp的片段，並成功構建含p22編碼基因的原核質粒重組體pthiohisa ， b ， c / p22 ，及真核重組表達質粒pbudce4 . 1 / p22 。

The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp

對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。

Pcr product was cloned to the downstream of gst gene according to the right open reading frame ( orf ) in pgex - 6p - l vector, and e. coli bl21 was transformed by the recombinant plasmid for expression

Pcr產物經純化、酶切后，按正確的閱讀框架定向克隆到表達性載體pgex - 6p - 1中谷胱甘肽轉移酶（ gst ）基因的下游。

Nucleic acid sequences of azoreduclase were searched and blasted in genbank. a pair of primers based on the conserved regions were designed. a specific fragment was amplified by pcr from the plasmid of rhodopsedomonas palustris and sequenced. the sequence contained a complete 471bp orf ( open reading frame )

脫色實驗證明沼澤紅假單胞菌（ rhodopsedomonaspalustris ）對偶氮染料有較強的降解能力，我們通過genbank搜索，對所獲得的所有偶氮還原酶基因在ncbi進行比對並設計引物，從沼澤紅假單胞菌質粒中擴增獲得了一條含471bp完整開放閱讀框架的序列。

Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

Huangya14 ）為材料分離克隆到一個細胞色素p450基因，命名為bccyp86mf5 ， cdna全長1854bp ，含1575bp的完整開放閱讀框，編碼524個氨基酸，其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ；堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ；二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域，半胱氨酸亞鐵血紅素配體信號區等， -螺旋和-折疊分別佔47 . 7 、 45 . 0 ；與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ，與擬南芥cyp86c4的達到85 . 9 。