聚半乳糖醛酸

以多聚半乳糖醛酸为底物分析表观Km和Vmax分别为1.25mg/ml和2526μmol/min/mg。

The apparent Km and Vmax values for polygalacturonic acid were 1.25 mg / ml and 2,526 μ mol / min / mg , respectively .

小麦内切多聚半乳糖醛酸酶抑制蛋白N端序列测定及分析

N-terminal sequencing and analysis of polygalacturonase - inhibiting protein from wheat

番茄多聚半乳糖醛酸酶反义cDNA克隆的遗传转化与转基因植株再生

Genetic Transformation of Antisense cDNA of Polygalacturonase in Tomato and Transgenic Plant Regeneration

桃多聚半乳糖醛酸酶基因的cDNA克隆及序列分析

Cloning and Sequencing of cDNA of Polygalacturonase in Peach

互格链格孢多聚半乳糖醛酸酶的cDNA克隆

CDNA Cloning of Polygalacturonase from Alternaria alternata

芽孢杆菌（Bacillussp.No.5）聚半乳糖醛酸酶的研究

Study on polygalacturonases from Bacillus sp . No.5

番茄多聚半乳糖醛酸酶cDNA的克隆及其对番茄中PG表达的反义抑制

Cloning of Polygalacturonase ( PG ) cDNA and Inhibition Effects of Its Antisense RNA on the Expression of PG Gene in Transgenic Tomato Plants

综述了植物多聚半乳糖醛酸酶（PG）的种类、作用方式、作用位点、基因表达和调控模式、功能的多样性以及与其它代谢过程的关系。

The variety , action mode , localization , gene expression and regulation , function multiformity of plant polygalacturonases are summarized .

结果表明，CA贮藏桐柏大枣对淀粉酶活性没有显著影响，但能够降低多聚半乳糖醛酸酶（PG）活性低。

The result showed that the amylase activity was not affected by CA storage , but PG activity was much lower than cold storage ( CK ) .

果实后期软化与果胶甲酯酶（PE）关系不大，而与多聚半乳糖醛酸酶（PG）密切相关。

Fruit soften in the last stage had little or nothing to do with pectinesterase ( PE ), polygalacturonase ( PG ) was the main enzyme in fruit soften .

就丝核菌（Rhizoctonia）胞外多聚半乳糖醛酸酶（Polygalacturonase，PG）及绿色木霉菌（TrichodermaViride）对PG活性的影响进行了研究。

The extracellular Polygalacturonase ( PG ) activities in Rhizoctonia and effect of Trichoderma viride on PG activities were investigated .

对贮藏在冷库简易气调、适温冷藏、室温气调、室温存放的山楂果胶含量及相关果胶酶（包括多聚半乳糖醛酸酶PG和果胶甲酯酶PE）活性变化规律进行了探讨。

Polygalacturonase ( PG ), pectinesterase ( PE ) activity and water-soluble pectin content of hawthorn fruit were determined , when the fruits were stored by refrigerated storage and gas storage .

冬枣（ZiziphusjujubaMill.）果实多聚半乳糖醛酸酶多克隆抗体制备及抑制剂筛选

Polyclonal Antiboby Preparation and Inhibitor Screening of the Polygalacturonase of Winter-Jujube ( Ziziphus jujuba Mill . ) Fruits

胞外酶系分析显示，Bacillussubtilis16A能够分泌高活性的聚半乳糖醛酸酶和少量的半纤维素酶，不产生纤维素酶。

Analysis of enzymes in the cell-free culture supernatant revealed that Bacillus subtilis 16A can release high-level polygalacturonase as well as a small amount of hemicellulase , while no cellulose was detected .

应用圆二色谱（CD谱），测定了小麦多聚半乳糖醛酸酶抑制蛋白（PGIP）在不同pH和温度影响下的构象变化，并和生物活性作了比较。

The activity and conformation changes of polygalacturonase inhibiting protein ( PGIP ) from wheat denatured by pH and temperature was studied by the measurement of circular dichroic ( CD ) spectra .

果实的成熟软化与一定数量的果胶被降解有关，这主要是多聚半乳糖醛酸酶（Polygalacturonase，PG）作用的结果。

The softening and mature of fruits related to degradation of a certain number of pectin , which mainly due to the role of Polygalacturonase ( PG ) .

结果表明，0℃低温可明显抑制大枣呼吸，维持低水平代谢；抑制多聚半乳糖醛酸酶（PG）活性，并抑制其前期果胶甲酯酶（PE）活性，但抑制效果不明显；

The results show that : compared with 20 ℃ storage , low temperature ( 0 ℃) can remarkably inhibit respiration , slightly restrain polygalacturonase ( PG ) activity and pectin methylesterase ( PE ) activity in earlier stage ;

600MPa超高压处理可通过抑制多聚半乳糖醛酸酶活性而维持果片硬度，同时可有效控制VC的损失。

The UHP treated with 600 MPa effectively prevented firmness of slices associate with inhibit PG activity and reduced the loss of V_C in fresh-cut kiwi fruit .

至今为止，已在20多种植物体内发现了多聚半乳糖醛酸酶抑制蛋白（PGIP）。

So far , polygalacturonase_inhibiting protein ( PGIP ) has been discovered in 20 species of plants .

结果表明：红星果实软化中起主要作用的酶为内切和外切多聚半乳糖醛酸酶（endo-和exo-PG）；

Results showed that the key enzymes involved in fruit softening in Starking apples were endo - and exo-PG ;

所编码的蛋白具多聚半乳糖醛酸酶的保守序列和蛋白活性位点（NNYCSGGHGISIGS），其蛋白结构也具明显的相似性。

The predicted proteins had a typical PG consensus fragment and protein active site ( NNYCSGGHGISIGS ), and had a similar tertiary structure .

利用多聚半乳糖醛酸酶反义基因转化选育耐贮中国樱桃

Selections of Long Storage Prunus pseudocerasus Lindl by Anti-Polygalacturonase Gene Transformation

果实成熟与多聚半乳糖醛酸酶基因的研究进展

Advance of Researches on Polygalacturonase Gene Related to Fruit Ripening

冷激对贮藏白果多聚半乳糖醛酸酶的影响

Effect of cold shock on stored ginkgo seed polygalacturonase

冷冲击处理对贮藏期间番茄多聚半乳糖醛酸酶活性的影响

Influence of cold shock treatment on polygalacturonase activity of tomato fruits during storage

小麦多聚半乳糖醛酸酶抑制蛋白的部分结构

The Partial Structure of Wheat Polygalacturonase - inhibiting Protein

β-半乳糖苷酶及多聚半乳糖醛酸酶对桃果实成熟软化的影响

The effect of β - galactosidase and polygalacturonase on peach ripening and softening

烟草内切多聚半乳糖醛酸酶抑制蛋白分离纯化研究

Studies on purification of endo polygalacturonase inhibiting protein from seedlings of flue cured tobacco

番茄果实中乙烯与多聚半乳糖醛酸酶的关系

Relationship Between Ethylene and Polygalacturonase in Tomato Fruits

超高压对果胶聚半乳糖醛酸酶的影响

Effect of high pressurization on polygalacturonase