幾丁聚糖 的英文怎麼說
中文拼音 [jīdīngjùtáng]
幾丁聚糖
英文
chitosan-
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。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。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。Hitooligosaccharide is water soluble chitosan. its chemical name is : 2 - mino -
又稱可溶性甲殼質甲殼胺幾丁聚糖等，化學名為Endogenous elicitor activity, termed cdw, was prepared from the cell walls of suspension - cultured ginseng ( panax ginseng c. a. meyer ) cells via cellulase degradation. cdw activated in vitro the nadph oxidase activity of isolated plasma membranes and stimulated in vivo h2o2 generation by ginseng cell suspensions
在本研究工作中，金瓜炭疽細胞壁激發子與脫乙酰幾丁質是來源於真菌細胞壁的真激發子，人參細胞壁降解物與寡聚半乳糖醛酸是來源於植物細胞壁的內源激發子。Chitin and chitosan have been proved to be nontoxic, biodegradable, and biocompatible and are known to have various biological activities including antitumor activity, antimicrobial activity, antifunga ) activity, immune - enhancing effects
殼聚糖是幾丁質不完全脫乙酰的產物。幾丁質和殼寡糖具有多種生物效應，包括抑瘤、抗菌和免疫增強等。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 % 。[ background and objective ] the worldwide research and development of chitin and chitosan are booming since the international symposium on chitin and chitosan was held in america in 1977. but chitin and chitosan ' s applications were limited for their insolubility in water
背景和目的自1977年第一屆國際幾丁質、殼聚糖專題學術研討會在美國召開以來，有關幾丁質和殼聚糖的研究和開發在國內外得到了廣泛的重視。Studies on transgenic oilseed rape brassica napus plants transformed with - 1, 3 - glucanase and chitinase genes and its resistance to sclerotinia sclerotiorium
葡聚糖酶及幾丁質酶基因的轉基因可育油菜及其抗菌核病的研究Many fungi are rich in chitin and chitosan in their cell walls, which makes fungi become a new and potential source of chitin and chitosan
摘要不少真菌細胞壁中含有豐富的幾丁質和殼聚糖，使真菌成為生產幾丁質和殼聚糖的又一潛在的新來源。分享友人