Chitinase and its substrate (chitin) universally exist in nature.
丁质酶其底丁质均广泛存自界。
Morphology of the samples treated with or without the chitinase were compared.
比较几丁质酶处理前后标本的外部形态。
The emphasis was laid on the review of production capability of chitinase by microbes.
着重论述了提高微生物产几丁质酶能力的方法。
The gradient test of PH showed that the chitinase activation and stablition were highest in PH7.0.
PH梯度实验显示该几丁质酶在PH7.0环境条件下活性和稳定性最高。
Chitinase 1 showed mixed activities of endo-and exo-chitinase, while chitinase 2 was an endo-chitinase.
几丁质酶1既是外切酶又是内切酶，而几丁质酶2只表现内切酶活力。
Rice chitinase gene was transferred into immature embryogenic calli of wheat using PDS1000/He particle delivery system.
利用PDS10 0 0 /氦气基因枪将水稻几丁质酶基因导入小麦幼胚盾片愈伤组织。
The synthesis of chitinase by Bacillus thuringiensis HD224 strain using eight different carbohydrate resources was studied.
考察八种碳源对苏云金杆菌HD224菌产几丁质酶的影响。
By assaying the activities of the cut, chitinase, an important defense protein in the laticifer, was traced after bark wounding.
割胶树皮伤口的变化，并测定了乳管中重要的防卫蛋白质几丁质酶在树皮伤口的积累和消失。
As the optimal carbohydrate, chitin powder at 2.0% had the best production of chitinase, while colloidal chitin at 2.0% was inferior.
几丁质为其最适碳源，2.0%粉末几丁质最有利于产酶，而同浓度的胶体几丁质其诱导效果远不如粉末几丁质。
The results suggested that there was a synergetic effect in plant antimicrobial peptide gene and chitinase gene against pathogenic diseases.
结果表明植物源的抗菌肽基因与几丁质酶基因在抗植物真菌病害中具有协同增效作用。
Human chitinase, its recombinant production, its use for decomposing chitin, and its use in therapy or prophylaxis against infection diseases.
人几丁质酶，其重组生产，其分解几丁质的用途及其在治疗和预防感染性疾病中的应用。
Using embryogenic calli from young embryos as explants, bean chitinase gene was transferred into spring wheat plants by microprojectile bombardment.
利用基因枪法，以菜豆几丁质酶基因转化小麦幼胚愈伤组织。
Background The evolutionarily conserved 18-glycosyl-hydrolase family contains true chitinases and chitinase-like proteins that lack enzymatic activity.
具革新意义的经典18 -糖基-水解酶家族包括壳质酶和缺乏水解酶活性的类壳质酶蛋白物。
Therefore, to study on the screening, identification, molecular biology and chitinase production of Bt is of great significance to discover new strains.
因此，开展新型苏云金芽孢杆菌资源的分离筛选、鉴定、分子生物学以及产几丁质酶相关条件的研究都具有重要意义。
It is suggested that there were inherence relationship between chitinase activities excreted by Z. radicans isolates and their infectivity against P. xylostella.
由此可以认为根虫瘟霉分泌几丁质酶活的变化与菌株侵染力的变化有一定的内在联系。
The results show that the stimulation intensity of ethylene gas affects the activity of chitinase greatly, but show no obvious effect on the content of chitinase.
结果发现，酶活性受刺激量的影响很大．而酶蛋白含量几乎不受刺激量的影响。
The chitinase, chitin deaceylase, chitosanase and N-acetyl-glucosaminase were detected to explore sufu mucor hypha autolysis mechanism in the course of sufu fermentation.
对腐乳发酵过程中甲壳素酶、脱乙酰甲壳质酶、壳多糖酶和N-乙酰氨基葡萄糖酶进行研究，旨在探索腐乳毛霉后发酵菌丝自溶机理。
The morphology of oribatid mites treated with the chitinase has no obvious changes compared to the untreated ones, and could be used in the morphology species identification.
经几丁质酶处理后，螨的外部形态保存完整，与处理前无明显差别，可以用于形态鉴定。
Two enzymes having the different hydrolytic products with regenerated chitin as substrate that show that the chitinase is an endo enzyme and the papaya lysozyme is an exo enzyme.
比较了虾几丁质酶和木瓜溶菌酶对再生几丁质与溶壁微球菌作底物时的水解速度，证明各有其最适底物。
Targeting on chitin in insect body, chitinase are taken more and more attention by researchers because it can degrade chitin then the objective of controlling pests can be achieved.
昆虫的几丁质防治昆虫是一种有效的途径，所以近年来几丁质酶的研究越来越受到研究者的关注。
Whether the expression levers of the Chitinase is related to the differences of biological and physiological aspects such as pathogenicity among different strains still remains unclear.
而稻瘟病菌几丁质酶表达的差异是否与菌株间致病性等生物学和生理学差异有关，有待进一步研究。
The results indicated that the chitinase had certain inhibition effect on Fusarium oxysporum, and the method of pollen tube pathway could be successfuly used in watermelon transformation.
结果表明 ：几丁质酶对镰刀菌引起的西瓜枯萎病有一定的抑制作用 ，利用花粉管通道法直接导入西瓜活体植株的技术是可行的。
PCR test of the resistant plants indicated that 40% of the Hyg-resistant plants showed strong positive reaction, suggesting that chitinase gene had been integrated into the genome of rapeseed.
对部分经潮霉素筛选得到的再生植株进行了多次重复P CR检测，发现其中40 %以上的潮霉素抗性植株均表现出较强的阳性反应，初步证明几丁质酶基因已整合到油菜细胞核基因组中。
The activities of chitinase for effective and non-effective strains had not much difference, and the strains which were strongly lethal to the juveniles did not have high activity of chitinase.
对线虫有强致死作用的菌株并不具有较高的几丁质酶活，细菌对北方根结线虫二龄幼虫的致死作用与其分泌的几丁质酶活性的高低相关性不大。
The research was conducted to reveal the regular of resistance to sheath blight and chitinase activities of 13 transgenic rice lines which modified by chitinase gene and other anti-fungal genes.
采用人工接种和酶活性测定的方法，研究转入几丁质酶基因等1～4个抗真菌基因的13个转基因水稻株系对纹枯病的抗性和几丁质酶活性变化规律。
In this paper, characteristic, function and prevent plant diseases of chitinase were summarized. On this basis, the prospects of chitinase applications in biocontrol of plant disease were promised.
主要对几丁质酶的特性、功能及其在植物真菌病害防治中的应用进行了综合论述。在此基础上，对几丁质酶在植物病害生物防治中的应用前景进行了展望。
Chitin is an important polysaccharide that occurs in the exoskeleton and gut linings of insects, and it was degraded by chitinase at appropriate time for the proper development stage of the organism.
几丁质是昆虫外壳和围食膜的重要组成成分，在适当的时期昆虫分泌适量的几丁质酶降解几丁质以保证昆虫的正常生长。
When exposed to chitin, our innate immune system-the system with which we are born-can muster a response that generates an enzyme called acidic mammalian chitinase (AMCase), which breaks chitin down.
当接触到甲壳素时，我们先天性免疫系统-我们生来就有的系统-能促发一种反应生成酸性哺乳类甲壳素酶(AMCase)，降解甲壳素。
The pathogens infection induced the chitinase activity increase and the chitinase isozymes change. The high chitinase activity or specific chitinase isozymes have enhanced disease resistance of plant.
病原物的侵染诱导植物几丁质酶活性升高和产生新的几丁质酶同工酶，这些高活性的几丁质酶或特异性的同工酶提高了植物的抗病性；
The pathogens infection induced the chitinase activity increase and the chitinase isozymes change. The high chitinase activity or specific chitinase isozymes have enhanced disease resistance of plant.
病原物的侵染诱导植物几丁质酶活性升高和产生新的几丁质酶同工酶，这些高活性的几丁质酶或特异性的同工酶提高了植物的抗病性；
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