chitinase 中文意思是什麼

chitinase 解釋
幾丁酶
  1. Research progress on bacillus thuringiensis chitinase

    蘇雲金芽孢桿菌幾丁質酶的研究進展
  2. Relationship between activities of induced exo - chitinase and - 1, 3 - glucanase, and resistance of cowpea to uromyces vignae

    豇豆銹菌誘導的2種酶活性與抗病性的關系
  3. Chitinase forming strain is a kind of special microorganisms. this strain can utilize chitin as carbon source to survive and repoduce. and it has the common biochemical ch aracteristics of secreting chitinase. chitinase can degrade chitin into chitin oligosaccharide, chitin disaccharide, and chitin monosaccharide. the application of chitinase and chitin oligo saccharide on plant resistance are extensively reported. moreover researches verified that c hitin oligosaccharide can promot the growth of plant. so chitinase froming strain is a kin d of promising fungi - resistant microorgnanism. therefore, it ' s a very meaningful work to d o more extensive and deeper researches in this respect

    而幾丁質酶和幾丁寡糖在植物抗病上的應用已經被廣泛的報道,而且有研究證實幾丁寡糖還能促進植物的生長發育。幾丁質酶產生菌是一類很有前途的抗真菌的微生物,因此,在這方面作更廣泛更深入的研究是很有意義的工作。
  4. The degradation of chitin by chitinase was vital step in the life cycle of insects because insects undergo periodic ecdysis and metamorphosis

    幾丁質代謝隨昆蟲不同生長發育階段而變化並保持相對的穩定,對昆蟲的正常的生長發育是至關重要的。
  5. Pcr and enzyme acitivity check on chitin agar showed that the chitinase gene fragment existed and expressed in the wildtype strains. antagonistic activity test in vitro suggest that the transformants remained the ability to produce antibiotics. the recombinant strains showed an increased biocontrol efficacy against wheat take - all and rhizoctonia sheath blight in greenhouse

    對小麥全蝕病和紋枯病的盆栽試驗結果表明工程菌株p25113一9的防病作用強於野生菌株,尤其是對小麥全蝕病的防治作用,其防治效果同野生菌株ap113和ap25相比,分別增長了22
  6. By transformation with the genes. plant disease biocontrol bacteria bacillus subtil is aplls and b. megaterium ap25 were isolated from wheat field soils collected from south australia and tai an. enzyme activity analysis on chitin agar and abp media showed that b. subtilis aplls secreted chitinase and b. megaterium ap25 secreted endoglucanase, respectively

    測序后在genebank上進行序列比較,該基因片段同編號為2634966的枯草芽孢桿菌全序列的2599451到2812870 (功能未知)有85的同源性,但同已發表的13種幾丁質酶的基因(包括枯草芽孢桿菌幾丁質酶基因)的同源性很低,只有30 。
  7. Purification and characterization of a chitinase from endophytic chaetomium spirale nd

    35幾丁質酶的純化和性質
  8. 14 out of 25 strains of biocontrol agent streptomyces showed chitinolytic activity by biological assay. these 14 strains of biocontrol agent streptomyces were detected for chitinase gene using pcr primers derived from the conservative sequence of 17 cloned chitinase genes from streptomyces

    此方法相對于幾丁質酶的傳統生物學檢測,具有更好的準確性和靈敏性;而且與生物學檢測相比,使用分子檢測省時省力。
  9. Besides, vgb gene expression also increased the chitinase secretion. in order to make the vitreoscilla hemoglobin gene express in bacillus subtilis, an inducible promoter ( levansucrase ) was cloned from b. subtilis wb600 and ligated with a promoter - less vgb gene. the resulted gene is called sacvgb and was demonstrated to express in e, coli by sds - page and carbon monoxide binding assay

    由於vgb基因啟動子不能在枯草桿菌中啟動表達,因此,根據已發表的果聚糖蔗糖酶基因( sacb )序列設計引物,從枯草桿菌wb600總dna中擴增出該基因的啟動子片段,然後將其與vgb基因編碼區及終止子序列相連,成功地組建了sacvgb融合基因。
  10. Bp23 celb genes, b. pwnilus endoglucanase and b. polymyxa beta - 1, 4 - endoglucanase " genes, respectively. it was recognized as a new gene encoding for endoglucanase of b. mega terium. the recombinant plasmid tvchi ( pmd18 ~ t inserted with chitinase encoding gene from aplls ) and e. coli - bacillus shuttle vector physooplk were digested by ecori and sail completely, and the chitinase gene was ligated with shuttle vector, and the recombinant vector was used to transform b. megaterium ap25 competent cell

    平板拮抗實驗同野生菌株相比,轉化子對麥長蠕抱菌的抑制作用最明顯,抑制百分數最高可達33 . 3 % ,而apll3和ap25分別是23 . 1 %和25 . 6 % ,同時轉化子對小麥紋枯病菌、棉花立枯病菌、棉花枯萎病菌和小麥的全蝕病菌也具有較為明顯的抑制作用。
  11. Cloning of chitinase gene from streptomyces roseoflavus and its splicing expression in escherichia coli

    玫瑰黃鏈黴菌幾丁質酶基因的克隆及拼接表達
  12. Producing plant phytoalexins has been recognized as the primary and dominant routines in defending system in cotton, include terpenoid, proteases and hormones in which many enzymes, such as chitinase, has been proved useful against verti - cillium in several plants, but not their functional mechanism

    在棉花抗病反應中以植物抗毒素的合成為主要途徑,包括萜類、酶類和激素類3類化學物質,其中酶類物質如幾丁質酶已經在很多植物中被證明具有抗病作用,但是其具體作用途徑仍不清楚。
  13. This article dealt with cloning and sequencing of chitinase and endoglucanase genes of bacillus spp. and recombinant biocontrol isolates of bacillus spp

    質粒分析證明克隆子中含有重組質粒,外源插入片段大小為2 . 6kb左右,與pcr最初產物的大小一致。
  14. Aeromonas caviae can secrete several chintinases with different molecular weights. one chitinase gene chil has been cloned and sequenced

    豚鼠氣單胞菌( aeromonascaviae ) cb101能產生多種分子量不同的幾丁質酶。
  15. In this study we firstly determined the time when the chitinase of helicoverpa armlerra produced in high activity and we cloned a cdna encoding a chitinase of helicoverpa armlerra by race method which was about l. 6kb and included complete 5 ' - end cap and 5 ' - utr

    利用計算機分析該核昔酸序列,可知其編碼框為1341個核昔酸,編碼50kd含446個氨基酸的蛋白,推導等電點為phi9 575 ,為堿性蛋白。
  16. Chi 1 degraded colloidal chitin both endolytically and exolytically with jv - acetylglucosamine, chitobiose and chitotriose as its products while a c - teminal 302 - amino - acid d eleted mutant had its degrading pattern shift to chitobiose, chitotriose and chitotetraose. further research showed a shifting of the minimal length of chitooligosaccharide needed for these two correlated proteins. in the case of full - length chitinase, it was chitotriose while with its truncated form, it turned out to be chitotetraose

    進而對chi1和chi1 ~ -做了體外表達、純化及功能的比較分析,首次揭示了幾丁質酶潛在的幾丁結合區對酶作用底物與產物的特異性影響,即chi1 ~ -仍具有較強活性,但其膠體幾丁質降解產物為幾丁二、三、四糖。
  17. And we have also studied its expression in protoryotes and the conserved regions of insect chitinase genes in different insects pests

    Sds page電泳顯示,在50th附近沒有特異蛋白帶的出現,此結果表明外源基因沒有得到表達。
  18. Cloning and nucleotide sequencing of the chitinase gene from arabidopsis pumila

    外源鈣調素與擬南芥懸浮培養細胞結合位點的觀測及其胞外效應
  19. The results indicated that the pcr primers designed could distinguish between marine bacteria and terrestrial bacteria, and could be applied in distinguishing the psychrophiles. sixteen strains which could produce cold - active protease and chitinase were screened by selective medium and

    初步的分析表明,所設計的pcr引物能夠較好地區分海洋性細菌和陸源性細菌,並且可以用於嗜冷海洋細菌的區分。
  20. The sequence of the chitinase cdna from helicoverpa

    3kb左右,與預期結果一致。
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