蔗糖酶

土壤酶活性均在E（肥土比1：200）施肥量时发生明显变化，脲酶、中性磷酸酶和蔗糖酶活性急剧下降。

Activity of urease , neutral phosphatase and invertase significantly decreased in the E ( 1:200 ) treatment .

在大豆的开花期和结荚期，SFE可以增加蔗糖酶的活力。

SFE could elevate the activity of invertase in vivo during the periods of flowering and pod filling .

蔗糖酶和GOD的共固定化研究

Study about Co-immobilized Sucrase and GOD

结果表明，与对照相比，种植小麦和水稻条件下FACE处理的土壤蔗糖酶活性升高；

The results showed that under both wheat and rice planting , CO 2 elevation increased soil invertase activity .

而蔗糖酶和海藻糖酶活性与对照比较没有显著差异（P＞0.05）。

However , sucrase and trehalase activities had no significant difference from those of the control ( P > 0.05 ) .

堆肥可显著提高Cd污染土壤中脲酶、蔗糖酶、磷酸酶及蛋白酶的活性，改善土壤生化性质。

Compost application increased the activity of sucrase , urease , phosphatase and proteinase , improved the soil biochemistry property .

本文研究了用吸附交联技术共固定化蔗糖酶和葡萄糖氧化酶（GOD）的方法，考查了共固定化酶的动力学性质。

It was studied that a method of co-immobilized sucrase and glucose oxidase ( GOD ) by adsorption and cross-linking , and the kinetics also researched .

重组大肠杆菌右旋糖酐蔗糖酶的表达条件优化工程菌表达融合型酯酶B1发酵条件的优化

Optimizing Fermentation Conditions for Expression of Esterase B1 Fusion Protein in Recombinant Bacteria

施N干扰可使糙皮桦林地土壤脲酶、过氧化氢酶和蔗糖酶活性较对照有不同程度的提高，而施C对土壤过氧化氢酶活性影响不明显；

N disturbances can make B.utilis soil urease , catalase , invertase enzymes activities improve in various degrees , C disturbances did not influence on the catalase enzyme activity obviously ;

此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。

Moreover , PI increased the activities of urease , phosphatase and sucrase , but decreased the catalase activity in its rhizosphere .

圆二色谱（CD）对其二级结构的分析显示，蔗糖酶分子中α-螺旋占28.8%，β-折叠占27.9%，无规则卷曲占43.2%。

It was demonstrated that the enzyme has 28.8 % a-helix , 27.9 % p-sheet , 43.2 % random coil by the analysis of circular dichroism spectrum .

Sucraseisomaltase（SI，蔗糖酶异麦芽糖酶复合物，EC3.2.1.48-10），是动物体内很重要的二糖酶，位于小肠刷状缘细胞膜上。

Sucrase-isomaltase ( SI , EC 3.2.1.48-10 ) is an important disaccharidase , lies in intestinal brush border membrane .

4周时IL组蔗糖酶活力小于CC组（P<0.05）。

In the 4th week , the sucrase activity in IL group was lower than that in normal control ( P < 0.05 ) .

林木胸径生长与土壤脲酶、微生物量C、有机C和PH呈极显著相关，土壤蛋白酶、过氧化氢酶和蔗糖酶与土壤PH值呈显著或极显著相关。

Soil PH with protease enzyme 、 catalase enzyme 、 invertase enzyme had very significant or significant correlation . The DBH with soil urea enzyme 、 MB-C 、 SOC and PH all had significant correlation .

通过控制右旋糖酐蔗糖酶与右旋糖酐酶的比例、反应时间、蔗糖浓度、反应温度和pH可以一步合成所需分子量的右旋糖酐。

Through regulating the ratio of the two enzymes , the reaction time with sucrose , sucrose concentrations , temperature and pH dextran of a required size can be synthetized by one step .

利用海藻酸钙凝胶球的包埋作用制备固定化蔗糖酶，并对其性质进行了初步研究，结果表明，游离酶被固定化后，最适pH值为4.0，最适温度为60℃。

The properties of sucrase , immobilized in calcium alginate beads , were primarily studied . The results indicated that the optimum pH and temperature were 4.3 and 60 ℃ respectively for immobilized sucrase .

蔗糖酶只在棉花的出苗期和现蕾期呈现出较高的活性，并且随着施菌浓度的增加而增加，CKⅠⅡⅢ。

Sucrase out only in the cotton seedling and budding showed high activity , and with the applied strain increased with increasing concentration , CK ⅰⅱⅲ .

对蔗糖酶的SDS凝胶电泳图进行扫描分析的结果表明，经SFE处理后的蔗糖酶含量比对照高两倍左右。

The result of scanning on SDS PAGE gels showed that the invertase content after treatment by SFE was twice as high as that of the control .

对猪小肠蔗糖酶（Sucrase，E.C.3.2.1.26）在分离纯化的基础上，对其性质进行了初步研究。

Liu KewuAbstract : Sucrase was isolated and purified from small intestine of pig and its properties had also been examined .

3与纯化肥处理（CF）相比，有机无机配施可增加稻田土壤细菌、真菌和放线菌数量，提高水稻土磷酸酶、脲酶、过氧化氢酶、蔗糖酶和纤维素酶活性。

Compared with CF treatment , the combined fertilization could increase the number of bacterial , fungi and actinomycetes and improve the activity of soil phosphatase , urease , catalase , invertase and cellulose .

施药期到50d后，大棚土壤中脲酶和蔗糖酶活性都能逐渐恢复到正常水平。

The activities of soil urease and invertase returned to normal level gradually fifty days after application . 2 .

其中，在低污染浓度Cd处理下（2mgkg-1），施用堆肥后的土壤脲酶，蔗糖酶，磷酸酶活性达到甚至高于无污染对照的水平。

In the soil treated with 2 mg kg-1 Cd , the activity of sucrase , urease , phosphatase after compost application achieved or exceeded the level of control without Cd pollution .

方法：饲喂SD大鼠茶多糖、茶多酚3周后，观察大鼠血糖、葡萄糖耐量、血胰岛素以及小肠糖降解酶（淀粉酶、蔗糖酶、麦芽糖酶）变化。

Methods : After feeding tea polysaccharides or polyphenols for 3 weeks , the changes of the level of blood glucose , insulin and the activities of amylase , sucrase and maltase in small intestine were inspected in diabetic rats .

二巯基苏糖醇（DTT）修饰，NR／R单向SDS-PAGE、NR／R双向对角线SDS-PAGE的结果均表明蔗糖酶分子内没有二硫键存在。

Dithiothreitol ( DTT ) modification , NR / R one-dimensional SDS-PAGE and NR / R two-dimensional SDS-PAGE showed there is no disulfide bond in sucrase . Activity differences of the enzyme were determined when metal ions effected on the sucrase .

在GIF1基因变异的植株上，蔗糖酶的活动只有该基因正常的植株的五分之一。

Invertase activity in GIF1 mutant plants was around one fifth that of plants with the normal GIF1 gene .

多酚氧化酶、脲酶和蛋白酶活性下降，而0～40cm土壤过氧化氢酶、蔗糖酶和酸性磷酸酶活性升高。

The activities of soil polyphenol oxidase , protease and urease decrease , but soil catalase , invertase and acid phosphorylase in the layer 0 ~ 40 cm increase .

施用SFE后，大豆叶片中果糖、葡萄糖和蔗糖酶的含量，分别是对照的170%±10%，190%±10%，和260%±20%；

The fructose , glucose and invertase contents of soybean leaves after application of SFE were 170 % ± 10 % , 190 % ± 10 % , and 260 % ± 20 % of the control , respectively .

它们对土壤蔗糖酶活性的影响均于30d明显减轻，即咪鲜胺对供试土壤生态环境影响减弱。

The effect of prochloraz 、 sportak and its metabolites on invertase obviously released in 30 days . It may be suggested that they decrease the influence on ecological environment of soil with the prolonging time .

土壤生物学性质对植被恢复过程的响应：碱性磷酸酶、蔗糖酶和脲酶活性总体上随植被恢复年限增加而呈增加趋势；植被恢复75a白桦林地的各种酶活性均较低。

Phosphatase , invertase , and urease activity increased with the increasing of restoration year . In Betula platyphylla forest land whose restoration year was 75a , all enzyme activities were lower than those than other lands .

翻施石灰可以提高两个土层土壤过氧化氢酶、脲酶和酸性磷酸酶活性，对蔗糖酶活性却表现强烈的抑制作用（特别是0-20cm土层）。

In general , the incorporated treatment improved the activities of catalase , urease and acid phosphatase in both soil layers , but had significant inhibition effect on the activity of soil sucrase , particularly in 0-20 cm soil layer .