chromosomal dna 中文意思是什麼

chromosomal dna 解釋
染色體dna
  • chromosomal : 染色體的
  • dna : 1. deoxyribonucleic acid 【生物化學】去[脫]氧核糖核酸。2. deoxypentose-nucleic acid 去[脫]氧戊糖核酸。
  1. Like mrna, both trna and rrna are transcripts of chromosomal dna.

    TRNA及rRNA同mRNA一樣，都是染色體DNA的轉錄產物。
  2. Sequencing analysis showed that the sequence of endoglucanase fragment exhibits 35 % homology with b. subtil is chromosomal dna ( from glyb to apre ), and 27 % homology with bacillus sp

    將此重組質粒phchi轉化巨大芽抱桿菌b . megateriumap25 ，得到兩株轉化子，分別命名為p25113一9 ， p25113一10 。
  3. Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis

    單功能烷化劑n -甲基- n -硝基- n -亞硝基胍（ mnng ）是一種在環境中廣泛存在的化學誘變劑和致癌劑，它能和dna及蛋白質等生物大分子形成加合物（ adduct ） ，其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤，這種損傷與腫瘤尤其是胃癌的發生密切相關。
  4. Pcr amplification using 2 degenerate primers for nitrogenase fe protein gene was performed with chromosomal dna isolated from the 29 isolates. the result suggested that a nifh amplicon of 323 nucleotides was detected in 7 isolates and the 7 isolates are c4 c5 g1 g2, w5 t1 and t7. these pcr amplified fragments were cloned, and sequenced

    首先利用芽孢桿菌中芽孢的抗熱性將土壤溶液在100沸水中煮10 - 15分鐘，然後用選擇性無氮培養基進行初篩得到29株菌落形態不同的菌株；接著用固氮酶結構基因nifh的特異性引物對這29株菌進行pcr擴增，結果表明其中7個菌株具有nifh基因，這7個菌株的編號依次為： c4 、 c5 、 g1 、 g2 、 w5 、 t1和t7 。
  5. Bhattacharyya np, basu p, das m, et al negligible male gene flow across ethnic boundaries in india, revealed by analysis of y - chromosomal dna polymorphisms [ j ]. genome res. 1999 aug ; 9 ( 8 ) : 711 - 9

    李冬娜、應大君、區采瑩，等.中國海南島黎族人群y染色體上四個微衛星基因座的多態性研究.中華醫學遺傳學雜志[ j ] . 2003 ; 1 : 1 - 3
  6. Up to now, extensive biological, chromosomal structure and variation, dna polymorphism, breeding application as well as pest control studies have been conducted. alpha - amylase is a functionally important enzyme for silkworm that feed on mulberry leaves

    迄今已對野桑蠶進行了廣泛的生物學上的研究、染色體結構及變異研究、 dna多態性研究、家蠶育種上的應用研究以及作為桑園害蟲防治上的研究。
  7. Telomerase is a ribonucleoprotein complex ( rnp ) composed by its rna component and protein subunits. telomerase can synthesize telomeric dna onto chromosomal ends using its own rna component as a template, elongate the length of telomere, increase cell life and even induce cell immortalization

    端粒酶（ telomerase ）是由端粒酶rna和蛋白質組成的一種核糖核蛋白復合物（ rnp ） 。端粒酶含有引物特異識別位點，能以自身rna為模板，逆轉錄合成端粒dna並加到染色體末端，使端粒延長，從而延長細胞的壽命甚至使其永生化。
  8. The overall structure of the chromosome of s. nanchangensis ns3226was shown to be linear dna molecule with covalently bound terminal proteins. the chromosome telomeres of this strain were seemingly to lie on the two largest chromosomal asei fragments, but the conclusion needs to be refined

    本研究還對南昌鏈黴菌ns3226染色體的結構進行了探索，初步揭示野生型南昌鏈黴菌ns3226的染色體為線性dna分子，末端具有共價結合的末端蛋白，染色體的末端可能處于染色體中最大的兩條ase片段上。
  9. Plasmids are exta-chromosomal doublestranded, circular dna molecules found in prokaryotic and eukaryotic cells.

    質粒是在原核和真核細胞中發現的染色體外的雙鏈環狀DNA分子。
  10. It confirmed that ibdv vp2 gene was integrated into nuclear chromosomal dna by pcr. pcr positve plants were double checked for incorporation of the recombinant gene by southern blots

    在轉基因組織生長成植株的過程中， vp2基因隨著植物細胞的生長而得到表達。
  11. Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation

    指數生長期的r1菌株即使在5kgy劑量的-射線照射后，其生長能力也未受影響， 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片，但是其基因組dna經修復后沒有引起任何的突變。
  12. In order to understand the epidemiological behaviors of this pathogen, we studied strains e. coli 0157 isolated from patients and dung beetles in 1999 and 2000 in xuzhou city, jiangsu province, by methods of pcr, antimicrobial susceptibility, biochemical reaction and pfge ( pulse - field gel electrophoresis ) of chromosomal dna digested by restriction enzyme xbal

    為了探索我國大腸桿菌o157 ： h7感染的流行病學特點，我們使用了聚合酶鏈反應、生化反應、抗生素敏感實驗、脈沖電場凝膠電泳等分子生物學方法，對我國1999 - 2000年徐州地區分離到的部分大腸桿菌o157 ： h7進行了分析。
  13. A fusion - trascriptional library was then constructed by inserting sau3ai - partially digested chromosomal dna from 7653r into bamhi cloning site of phn127. a group of constitutive - expression fusions with different fluorescent strength were obtained

    將7653r的總dna經sau3ai部分酶解並克隆到phn127上，獲得的融合子庫，從中篩選到gfp組成型表達的具有調控活性的dna片段。
  14. Plasmids are exta - chromosomal doublestranded, circular dna molecules found in prokaryotic and eukaryotic cells

    質粒是在原核和真核細胞中發現的染色體外的雙鏈環狀dna分子。
  15. Once the list of mutations was winnowed down, the chromosomal regions containing those mutations were resequenced in the tumors and matched to normal dna samples to alidate each mutation

    一旦一系列突變基因被精選出來，腫瘤中包含那些突變基因的染色體區域被重新測序並與正常的dna樣本匹配以確定每一個突變。
  16. Four colonies of transformed e. coli dh5 a with clear hydroiyzing zone on the chitin agar were obtained. the gene fragment in these isolates was identified by the methods of plasmid processing. dna sequencing analysis showed that sequence homology between pcr fragment and chromosomal dna of b. subtilis from 2599451 to 2812870 was 85 %, and was 30 % between the fragment and the genes encoding for chitinase of bacillus ( including b. subtilis ) in genebank

    測序並序列比較結果表明該基因片段同已發表的枯草芽孢桿菌幾丁質酶和內切葡聚糖酶編碼幕因的克隆及重組芽抱桿菌的構建glyb一apre之間的同源性是最高的，為35 % ;同bacz 』了了ussp . bp23ce1b 、 b . p朋刀us內切葡聚糖酶和b . pol理vxap一1 ， 4一內切葡聚糖酶的編碼基因的同源性只有27 % 。
  17. Pcr analysis and southern blotting all confirmed that the ced - 9 gene has been integrated into the chromosomal dna of these transgenic plants

    對所得到96株再生苗進行pcr檢測，結果表明，陽性苗比例為34 。
  18. Strain pseudomonas psuedoalcaligenese ys1 was capable of producing phas containing monomer of hb and mcl has in certain medium. phacl and phac2, two key polyhydroxyalkanoates polymerase genes of pha biosynthesis were amplified and cloned from chromosomal dna of pseudomonas psuedoalcaligenese ys1 using pcr

    本研究利用聚合酶鏈式反應（ pcr ）技術，從p . psuedoalcaligeneseys1染色體dna中擴增並克隆了調控短鏈與中鏈pha生物合成的兩個關鍵酶基因： phac1 、 phac2基因。
  19. S. tenebrarius chromosomal dna, partially digested with sau3al to yield fragments of 6 ~ 15kb, was ligated with vector pij702

    提取黑暗鏈黴菌h6總dna ，經sau3ai不完全酶切、凝膠電泳，收集6 15kb片段連接到載體pij702 。
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