幾丁質 的英文怎麼說
中文拼音 [jīdīngzhí]
幾丁質
英文
chitinous substance-
For the high selectivity and safety of chitin synthase inhibitors, they are used for insecticides, fungicides and acaricides
幾丁質合成酶抑制劑由於具有安全、高效等特點,成為農用殺蟲、殺蟎、殺菌劑以及醫藥抗真菌藥物的研發熱點。Research progress on bacillus thuringiensis chitinase
蘇雲金芽孢桿菌幾丁質酶的研究進展Chitin is a polymer of n - acetylglucosamine
幾丁質是n乙酰葡糖胺。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。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。Chitosan is the product of partial deacetylation of chitin they are the second most abundant polysaccharides in nature, comprising the horny substance in the exoskeletons of crabs, shrimp, and insects as well as fungi
背景和目的幾丁質是由n -乙酰葡萄糖胺組成的多糖,它是世界上除纖維素之外含量最豐富的天然多聚物。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 。However, the phosphorus content is overrun normal milk powder. three fly puparium was rich in vase chitin. chitin content of lucilia sericata meigen, aldrichina grahami aldrich and parasarcophaga crassipalpis macquart are 33. 47 %, 41. 52 % and 42. 18 % respectively
並且其蛹殼中又含有很高的幾丁質,分別是33 . 47 、 40 . 18 、 41 . 52 ,比目前普遍採用的幾丁質生產原料?蝦蟹殼高出27 36個百分點。The engineering bacterium which carried bcih i - chi and i - glu cdna was pcg - ii. two methods of agrobacterium - mediated and gene gun were used to transformate long ya lillium. the results of pcr analysis and southern dot blotting hybridization demonstrated that the chi a nd glu cdna have been intergrated into host genome. at the same time ; compared agrabactenum - mediated method with gene gun method, the transformation frequency of the former was 16. 7 %, while the latter was 50 %, so gene gun transformation method was suitable for long ya liiliwn
用攜帶有幾丁質酶基因和- 1 、 3葡聚糖酶基因的工程菌,通過農桿菌介導法和基因槍轉化法轉化龍牙百合,經pcr和點雜交檢測證明外源基因已經整合到植物染色體中。同時對農桿菌介導法和基因槍法進行比較,發現農桿菌介導法的轉化率為16 . 7 ,基因槍法的轉化率為50 ,因此可能基因槍轉化法更適于龍牙百合的遺傳轉化。Purification and characterization of a chitinase from endophytic chaetomium spirale nd
35幾丁質酶的純化和性質Chitin decomposing bacteria
幾丁質分解細菌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。Chitin synthase is the important enzyme that converts udp - glcnac to chitin
摘要幾丁質合成酶是生物合成幾丁質的關鍵物質。Chitin ' s partially deacetylated product is chitosan. unlike these polysaccharides, chitooligosaccharide and oligochitosan, which are the oligomer homologs of chitin or chitosan, are soluble and can be satisfactorily utilized
幾丁質部分脫乙酰化產物是殼聚糖,它們的降解產物為幾丁寡糖、殼寡糖,具有較好的水溶性,易於分散吸收。The company specializes in biology chain industry r & d, promotion and further processing, and the major products of the company are : biologically extracted chitin, chitosan, chitin, powder of protein, feed additive and house pet nutriment, etc
公司經營生物鏈條產業的研發、推廣及深加工,主營產品:生物提煉幾丁質、殼聚糖、甲殼質、蛋白粉、飼料添加劑、寵物營養素等。So we can say that the red gene may also be used as a reporter gene
該重組菌株既能產生幾丁質酶,又能使菌體在紫外線下呈現紅色熒光。Zhang xue - kun, tang zhang - lin, chen li et al. effect of partially n - acetylate chitosans to elicit resistance reaction on brassica napus l., agricultural sciences in china, 2002, vol2 ( 3 )
張學昆,唐章林,諶利,李迦納等.脫乙酰化幾丁質乙酰化程度對油菜抗性的影響.中國農業科學, 2002 ( 3 )Construction of a high - effective expression system of bacillus subtilis recombined xylanase gene
幾丁質結合區三個結構功能域的鏈黴菌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Gap is a homogenic microencapsule consisting of a consolidated nutrient and is not a mixture. its ingredient include ; whole egg, shrimp head extract, casein, yeast extract, cholesterol, lecithin, enzyme, polyunstaurated fatty acid, trace minerals, vitamins
酪蛋白鮮蛋液魚肉蛋白分解物酵母抽取物幾丁質膽固醇磷酯脂酵素高級不飽和脂肪酸epa微量礦物質綜合維他命及其他未知生長因素u . g . f 。分享友人