?intron

intron發(fā)音

英：['?ntr?n]　　美：['?ntr?n]

英：　　美：

intron中文意思翻譯

基因內區

intron詞形變化

動(dòng)詞過(guò)去分詞: intromitted | 形容詞: intromittent | 動(dòng)詞第三人稱(chēng)單數: intromits | 動(dòng)詞過(guò)去式: intromitted | 名詞: intromitter | 動(dòng)詞現在分詞: intromitting |

intron同義詞

noncoding DNA

intron反義詞

exon

intron常見(jiàn)例句

1 、Functions : Intron Manzanilla and other plant extracts the essence can promote with microcirculation, supplementary the eye water, eliminate bags under the eyes and Black and ease eye fatigue.───功能：內含洋甘菊等多種植物萃取精華，改善微循環(huán)，補充眼部水分，消除眼袋和黑眼圈，緩解眼部疲勞。

2 、Intron retention───內含子保留

3 、FRACTAL SCALING PROPERTY ANALYSIS OF EXON AND INTRON SEQUENCES───外顯子與內含子序列的分形尺度參數可分性研究

4 、intron lariat───內含子套索

5 、Initial analysis indicates that genome size and intron density is positively correlated to total intron size.───初步的統計結果表明：基因組大小跟內含子總大小、內含子密度成正比的關(guān)系。

6 、IT-ISJ (intron targeted intron-exon splice junction)───內含子定靶的內含子-外顯子拼接位點(diǎn)（IT-ISJ）

7 、intron migration───內含子轉移

8 、elongation factor 1-alpha intron sequence───延伸因子1-alpha內含子序列

9 、Among them, five mutants(M150, M138, M12, M833, Mc140) inserted in the same locus At1g30270(CBL-interacting protein kinase 23 (CIPK23)) intron regions, then named as CIPK23 mutant.───其中5株突變體M150、M138、M12、M833、Mc140的T-DNA為同一**入位點(diǎn)，均**在A(yíng)tlg30270(calcineurin B-like calcium sensor(CBL)-interacting protein kinase 23)-Cipk23內部，故通稱(chēng)為CIPK23突變體。

10 、In high organism, the length of intron is much longer than that of extron, and most of random mutation happened in intron.───在高等生物中，內含子的長(cháng)度遠大于外顯子，大部分隨機突變會(huì )發(fā)生在內含子中。

11 、external intron───外內含子

12 、intron subgroup───內含子亞組

13 、Characterization and analysis of Toxoplasma gondii aldolase gene and intron───剛地弓形蟲(chóng)醛縮酶基因及其內含子的分析

14 、intron binding site(IBS)───內含子結合部位

15 、Effect of knocking out VP_1 intron on brief specific expression of pSVL WAP tPA vector in mammary cells───VP_1intron敲除對pSVL WAP tPA暫時(shí)性乳腺**表達的影響

16 、Exon 7 splicing mechanism stems from the loss of TRIM5 intron 6 within the first 3 'splice site of the G / T mutation.───外顯子7剪接丟失機制源于TRIM5第6內含子內3’剪接位點(diǎn)的G/T突變。

17 、gene intron───基因內含子

18 、Group I intron───I類(lèi)內含子

19 、Intron source!───一個(gè)用VC++編寫(xiě)的換膚軟件！內含源文件！并且可以對按鈕進(jìn)行換膚-a VC + + software prepared by the Eurocargo!

20 、trnL intron───trnL內含子

21 、DNA samples from 190 pigs including Mashen,Large White pig,Landrace and Duroc were analyzed. Primer P1 was designed to amplify the 1 350 bp fragment of the third intron of porcine H-FABP gene.───以馬身豬、大白豬、長(cháng)白豬和杜洛克豬四個(gè)品種共190頭豬為實(shí)驗動(dòng)物,成功擴增出豬H-FABP基因intron 3的全序列,全長(cháng)1 350 bp,已向GenBank提交,檢索號為DQ 002993。

22 、In this experiment, phylogenetic relationships of 18 species of passerines were studied using Adenylate Kinase Intron 5 (AK5) sequences and DNA techniques.───實(shí)驗采用核蛋白激酶基因內含子5(AK5)和DNA測序法來(lái)分析這18種鳥(niǎo)的分子系統發(fā)育關(guān)系。

23 、Intron silk culture also reflects the characteristics, and special hand line, expression of the fine, with pen and ink rendering Concorde cultural connotation.───文化內含也要體現絲綢公司的特色，特用手和線(xiàn)，表達精細之工，筆墨協(xié)和搭配渲染文化內涵。

24 、I saw this letter before but it only said intron exists in very early eukaryotic genomes───好像是這一篇,看看先

25 、intron encoded endonuclease───內含子編碼內切核酸酶

26 、Gene splicing 1.The joining of EXONS after the INTRON sequences have been removed, to produce functional messenger RNA that leaves the nucleus to undergo TRANSCRIPTION.───基因拼接：1.是將內含子序列剪切掉并使外顯子相連接的過(guò)程，所形成的功能性信使RNA繼續留在核中進(jìn)一步轉錄。

27 、intron early───內含子早現,內含子先成論

28 、Analysis on Genomic Structure and Intron Polymorphism of Goldfish Vsx1[J].───引用該論文 童英,李冰霞,陳金輝,劉正華,鄭康,羅琛.

29 、infectious intron───傳染性?xún)群?/p>

30 、The Construction of the Highly-expressive Carrier of GUS Containing Plant Intron───帶植物內含子的GUS基因強表達載體的構建

31 、intron late───內含子遲現

32 、Keywords allotetraploids;cyclin B gene;intron;molecular genetic relationships;───異源四倍體鯽鯉;細胞周期蛋白B基因;內含子;分子遺傳關(guān)系;

33 、intron loss───內含子丟失

34 、intron encoded protein───內含子編碼蛋白(質(zhì))

35 、computer techniques used in developing an Intron Evolution and Function Datatbase(IEFD).───開(kāi)發(fā)內含子進(jìn)化和功能數據庫所采用的計算機技術(shù)。

36 、RNAs in which this intron was spliced were abundant and encoded the SPV 14 kDa protein (analogous to the B19 11 kDa protein), which initiated at an AUG in the exon preceding the third intron.───從第三個(gè)內含子之前的外顯子的一個(gè)AUG開(kāi)始，該內含子拼接形成豐度較高的RNA，編碼SPV 14 kDa蛋白（類(lèi)似于B19的11 kDa蛋白）。

37 、Development of Amplified Consensus Genetic Markers in Gramineae Based on Rice Intron Length Polymorphisms───基于水稻內含子長(cháng)度多態(tài)性開(kāi)發(fā)禾本科擴增共有序列遺傳標記

38 、Among the new genes (alleles), CYP4C23 may be a pseudogene, CYP4H13 has a retained intron 58 nucleotides in length, and CYP4J4V1 has a stop coden (TAG) in frame near the 3'-end.───其中CYP4C23可能是一 個(gè)假基因，CYP4H13具有一段58個(gè)堿基長(cháng)度的內含子，CYP4J4V1在近3’端具有一個(gè)終止密碼子TAG.

39 、Intron A noncoding DNA sequence that occurs between coding sequences (exons) in many eukaryote genes.───內含子：是大多數真核生物基因中位于編碼序列（外顯子）之間的不編碼的DNA序列。

40 、In our study we observed three DNA vatiants in MODY2 gene: one in exon4(ccc-ccg,heterozygous silent mutation,pro145pro),one in exon7(gcc-gcg,heterozygous silent mutation,ala233ala),and one in intron 9(IVS+8 C>T).───在MODY2基因的篩查中發(fā)現3個(gè)DNA變異,一個(gè)在外顯子4(ccc-ccg,為雜合的脯氨酸同義突變Pro145Pro),一個(gè)在外顯子7(gcc-gcg,為雜合的丙氨酸同義突變ala233 ala),一個(gè)在內含子9(IVS+8C>T)。

41 、Intron length polymorphism───內含子長(cháng)度多態(tài)性

42 、chimeric intron───嵌合體內含子

43 、intron non-coding RNA───內含子非編碼RNA

44 、intron binding site───IBS

45 、Most eukaryotic genes consist of exons interrupted by noncoding sequences (see intron).───大多數真核基因包含有被非編碼序列（參見(jiàn)intron）隔開(kāi)的外顯子。

46 、One of these splicing signals sits at the beginning of the intron and is called the 5' (five-prime) splice site;───其中一段位在**入子的起頭，有一個(gè)剪接信號序列，標明5'端剪接位；

47 、Methods The VNTR polymorphism in intron 4of the eNos genes of PAH COPD and healthy control were detected by PCR.───方法應用PCR檢測COPD肺動(dòng)脈高壓患者和健康對照組的eNos基因第4內含子多態(tài)性。

48 、homing intron───歸巢內含子

49 、intron transposition───內含子轉位

50 、mobile intron───可動(dòng)內含子

51 、intron invasion───內含子入侵

52 、Construction of Expression Vector of pGH cDNA with First Intron and its Expression in COS7 Cells───含第一內含子豬生長(cháng)激素cDNA基因在COS7細胞中的表達

53 、SPV pre-mRNAs contain three introns, compared to two found for B19: an additional intron was found within the capsid coding region.───SPV RNA的第三個(gè)內含子位于核衣殼基因區內。

54 、Keywords Toxoplasma gondii;fructose 1;6-bisphosphate aldolase;intron;───剛地弓形蟲(chóng);果糖1;6-二**酸醛縮酶;內含子;

55 、flanking intron───側翼內含子

56 、The overall genotype and allelotype distributions of XPC intron 9 PAT+/- and exon 15 A2920C in ESCC and GCA patients were not significantly different from that in healthy controls(P>0.05).───XPC基因第9內含子PAT+/-和第15外顯子A2920C的基因型及等位基因型頻率在ESCC患者組、GCA患者組和對照組之間,其總體分布均無(wú)顯著(zhù)性差異(P>0.05)。

57 、Any random mutation in an intron that proved beneficial to the host organism would have been retained by natural selection.───**入子內任何偶然的突變，只要對宿主有利，就會(huì )在天擇的篩選下保留。

58 、Interfamilial Relationships of Santalales as Revealed by Chloroplast trnL Intron Sequences───內含子序列數據的檀香目科間系統發(fā)育關(guān)系的研究

59 、But a further leap in intron evolution may have accompanied the evolution in eukaryotes of the structure called the spliceosome.───但是隨著(zhù)真核生物演化出剪接體（spliceosome）的構造后，**入子的演化也可能大步邁進(jìn)。

60 、Methods: A fragment 287bp Alu sequence in intron 16 of ACE gene was used as insertion/deletion(I/D) polymorphic marker. After PCR amplification of DNA fragment, 1% agarose gel electrophoresis was undertaken to analyze the PCR products.───方法 :以 ACE基因第 16內含子 1個(gè) 2 87b P Alu順序**入 /缺失 (I/D)型為多態(tài)性標志 ,用聚合酶鏈反應 (PCR)方法擴增 ACE基因第 16內含子片段 ,1%瓊脂糖凝膠電泳分析 PCR產(chǎn)物。

61 、the others, located at the end of the intron, are known as the branch site, the polypyrimidine tract and, finally, the 3' (three-prime) splice site.───**入子的尾端有其他的信號：分支點(diǎn)、多嘧啶區，最后則是3'端剪接位。

62 、Here, the authors analysed some basic features of cassette exon and intron retention in human genome;───文章對人類(lèi)盒式外顯子和內含子保留的一些基本特征進(jìn)行了統計；

63 、Correlation between a 27 repeat polymorphism in intron 4 of the eNOS gene and PAI-1 gene promoter polymorphism and diabetic nephropathy───PAI-1基因啟動(dòng)子區4G/5G基因多態(tài)和eNOS第4內含子a/b基因多態(tài)與糖尿病腎病的相關(guān)性研究

64 、Plant Expression Vector Containing Antifreeze Peptide Gene and Its Applications in Transgenic Plants, Secretory Expression in Trichoderma Viride and a Study on Intron Function of AFP Gene───抗凍肽表達載體構建與應用、綠色木霉分泌表達系統及AFP基因內含子功能的研究

65 、intron mobility───內含子移動(dòng)

66 、Intron length polymorphism marker───內含子長(cháng)度多態(tài)性標記

67 、internal intron───內內含子

68 、Keywords Intron;Retinoic acid receptor;Psoriasis vulgaris;───關(guān)鍵詞內含子;維甲酸受體;銀屑病;尋常性;

69 、Correlation of intron 2 of resistin gene with polycystic ovary syndrome───抵抗素基因第2內含子多態(tài)性與多囊卵巢綜合征相關(guān)性的研究

70 、As part of a gene w-abh was lack of intron too.───LA－PCR擴增產(chǎn)物的Southern雜交結果說(shuō)明w－abh作為一個(gè)基因的一部分也是缺少內含子的。

71 、intron homing───內含子尋靶, 內含子歸巢

72 、Analysis of intron loss in Diptera (Drosophila melanogaster and Anopheles gambiae )───雙翅目昆蟲(chóng)(黑腹果蠅和岡比亞按蚊)內含子丟失的比較分析

73 、The polymorphism of repeat sequence TCTA in intron 3 of PAH gene was analysed.───3例胎兒為攜帶者,1例為正常胎兒。

74 、No Effect of Intron Location on Transgenic Expression───內含子的位置不影響轉基因的表達

75 、nad1 intron───nad1內含子

76 、MethodsA fragment of 287 bp Alu sequence in intron 16 of ACE gene was used as I/D polymorphic marker. After PCR amplification of DNA fragment, 6% nondenatured polyacrylmide gel electrophoresis was undertaken to analyse the PCR products.───方法 以ACE基因16 內含子的1 個(gè)287bp 的Alu 序列為多態(tài)性標志，用PCR方法擴增基因片段，6 % 非變性聚丙烯酰胺凝膠電泳檢測PCR 產(chǎn)物。

77 、trnL intron and trnL-F spacer───trnL內含子和trnL-F基因間隔區

78 、Previous studies suggested that there were six intron positions in expansin genes in Arabidopsis and rice, namely A, B, C, D, E and F. In this study, four introns, A, C, D and E, could be observed in wheat expansin genes.───對水稻和擬南芥的膨脹素基因研究發(fā)現具有6個(gè)內含子**入位點(diǎn)(A-F),本研究發(fā)現小麥膨脹素基因中存在已發(fā)現的4個(gè)位點(diǎn)(A、C、D和E)。

79 、Intron test data, training data.───一個(gè)神經(jīng)網(wǎng)絡(luò )的程序 ，通過(guò)神經(jīng)網(wǎng)絡(luò )進(jìn)行預測。內含測試數據，訓練數據。-a neural network procedure for the adoption of neural network prediction.

80 、Intron 44 is not the most unstable intron in the "central deletion hot spot" of dystrophin gene───44號內含子并非是dystrophin基因中央缺失熱區最不穩定的內含子

什么是RNA剪輯？

RNA剪輯

在真核細胞中的核苷酸序列中間**入與氨基酸編碼無(wú)關(guān)的DNA間隔區段，使一個(gè)有功能的結構基因分隔成不連續的若干區段，將該間隔區段的DNA片斷稱(chēng)為斷裂基因（split gene）,然而這種斷裂基因可隨同結構基因先轉錄初級轉錄物，形成前體mRNA，但在真核細胞中可通過(guò)切割和連接加工而除去由內含子轉錄成的無(wú)關(guān)轉錄物，便產(chǎn)生了由結構基因轉錄的mRNA，即形成了有功能的成熟mRNA.進(jìn)而合成蛋白質(zhì)多肽鏈，在原核細胞（大腸桿菌中）中無(wú)此類(lèi)切割加工功能。此種在mRNA切割加工過(guò)程中，其轉錄物被剪除掉的相應的DNA部分，叫做間隔序列（intervening sequence），或稱(chēng)內含子（intron）,被保留下來(lái)的相應的DNA分子叫做編碼序列或表達子（exon）,實(shí)際上就是有功能的結構基因DNA序列。而這種內含子的刪除和表達子的連接，形成最后的成熟mRNA過(guò)程，稱(chēng)為RNA剪輯（RNA splicing）。

怎樣區分內含子和外顯子？

內含子（Intron）和外顯子（Exon）是基因組DNA序列的兩個(gè)不同部分，其主要區別在于它們在編碼蛋白質(zhì)的過(guò)程中的不同作用。

**外顯子**

外顯子是基因組DNA序列中具有編碼蛋白質(zhì)的信息的部分。在基因編碼的過(guò)程中，外顯子會(huì )被轉錄成RNA序列，然后進(jìn)一步翻譯成蛋白質(zhì)序列。因此，外顯子是基因組DNA序列中最重要的部分之一。

**內含子**

內含子是基因組DNA序列中不參與編碼蛋白質(zhì)的部分。雖然它們對基因的功能沒(méi)有直接影響，但是內含子對于基因表達過(guò)程卻起到了重要的調節作用。內含子可以通過(guò)剪接（splicing）機制將外顯子連接起來(lái)，從而在不同的細胞類(lèi)型或者不同的狀態(tài)下產(chǎn)生不同的轉錄產(chǎn)物。

區分內含子和外顯子的方法主要有以下幾種：

1. 基因組序列比對法：通過(guò)將已知的基因組序列與新測得的基因組序列進(jìn)行比對，可以較為準確地確定內含子和外顯子的位置。

2. 剪接位點(diǎn)預測法：通過(guò)預測基因組序列中的剪接位點(diǎn)，可以推斷出內含子和外顯子的位置。

3. mRNA序列比對法：通過(guò)將已知的mRNA序列與新測得的轉錄產(chǎn)物序列進(jìn)行比對，可以確定外顯子的位置，并進(jìn)一步推斷出內含子的位置。

總之，內含子和外顯子在基因組DNA序列中具有不同的功能和作用，通過(guò)基因組序列比對、剪接位點(diǎn)預測和mRNA序列比對等方法，可以較為準確地區分它們的位置。