starch synthase

Recent Advances on Enzymology and Molecular Biology of Starch Synthase

淀粉合酶的酶学与分子生物学研究进展

Starch synthase includes two major kinds of isoforms , granule_bound starch synthase and soluble starch synthase , whose physiological functions are very complicated .

这些研究多集中在对其同工型的研究，淀粉合酶的两类主要同工型分别为淀粉粒结合的淀粉合酶和可溶性淀粉合酶，这两类同工型的作用极为复杂。

Spatial and Temporal Expression Analysis of the Starch Synthase Gene Family in Maize

玉米淀粉合成酶基因家族时空表达分析

Molecular Identification of Wheat Granule Bound Starch Synthase Gene Polymorphism

小麦淀粉粒束缚淀粉合成酶基因多态性的分子鉴定

Two Genes Involved in the Starch Synthase Were Introduced into Rice by Agrobacterium-mediated Transformation

农杆菌介导的将两个与淀粉合成有关的基因导入我国灿稻恢复系中的研究

Cloning of Starch Synthase ⅲ cDNA from Potato and Construction of RNA Interference Vector

马铃薯淀粉合成酶Ⅲ基因cDNA的克隆及RNA干扰载体的构建

Starch synthase activity in transgenic potato was lower than that in non-transgenic potato .

淀粉合成酶活性在转基因马铃薯块茎中较非转基因马铃薯块茎中弱。

Progress in Research of Granule-Bound Starch Synthase

颗粒结合型淀粉合成酶研究进展

Binding Characteristics of Granule-Bound Starch Synthase ( GBSS ) with Starch in Wheat Cultivar Chinese Spring

中国春小麦GBSS与淀粉颗粒结合特性的研究

PCR and Southern blot showed that soluble starch synthase gene and starch branching enzyme gene have been integrated into rice genome and expressed .

PCR和Southernblot杂交检测表明：淀粉分支酶基因正、反向表达结构和可溶性淀粉合成酶正向表达结构均已整合进水稻的基因组中。

In our laboratory , rice soluble starch synthase gene has been isolated by using this method , and DNA sequencing indicated that which is the full length cDNA .

本文利用这一方法从水稻南粳37未成熟种子的cDNA文库筛选出了完整的水稻可溶性淀粉合酶基因cDNA序列。

Based on the results here , the starch synthase activities and their coded gene expression were found to play important regulation roles in starch granule size distribution formation in wheat grain .

研究结果表明，淀粉合成酶活性及其编码基因表达模式对小麦籽粒灌浆期淀粉粒粒度分布特征具有重要的调控作用。

The progress in research granule-bound starch synthase ( GBSS ) which was responsible for amylose synthesis in cereal endosperm , was reviewed in the paper .

本文综述了小麦胚乳中合成直链淀粉的关键酶&颗粒结合型淀粉合成酶（GBSS）的研究进展，展望了GBSS的研究前景。

Elution of soluble starch synthase activity from a DEAE_Sepharose column showed two starch synthase activity peaks , indicating at least two isoforms of soluble starch synthases .

从DEAESepharose柱上洗脱出来的可溶性淀粉合酶表现出两个淀粉合酶活性峰，表明至少有两类可溶性淀粉合酶同工酶。

The granule-bound starch synthase ( GBSS ) is encoded by the rice Wx gene , which is the major gene for control of amylose synthesis .

水稻Wx基因编码颗粒结合淀粉合成酶（GBSS），是控制直链淀粉合成的主效基因。

The activity of soluble starch synthase was 1 . 3 times higher that that of the granule-bound starch synthase , corresponding to the ratio of amylopectin to amylose .

可溶性淀粉合酶峰值比淀粉粒结合的淀粉合酶活性峰值高1.3倍，与支链淀粉和直链淀粉的比例相对应。

Because the synthesis of amylose is catalyzed by the granule-bound starch synthase I ( GBSSI or WAXY protein ), the Waxy gene of wheat was isolated from wheat seeds by using RT-PCR .

小麦中直链淀粉合成的关键酶是颗粒结合型淀粉合成酶（GranuleboundstarchsynthaseI，GBSSI，即WAXY蛋白），通过RTPCR方法从小麦种子中分离出Waxy基因。

This result supports the conventional theory that soluble starch synthase is the major enzyme responsive for the synthesis of amylopectin , and the supports that granule-bound starch synthase is functional in the synthesis of amylopectin .

结果支持食松可溶性淀粉合酶是负责支链淀粉合成的主要酶的假说，同时表明淀粉粒结合的淀粉合酶在支链淀粉的合成中也有作用。

The granule-bound starch synthase ( GBSS ), starch branching enzymes 1 ( SBE1 ) and 3 ( SBE3 ) are three major enzymes involved in starch biosynthesis in rice endosperm .

颗粒结合淀粉合成酶（GBSS），淀粉分支酶1（SBE1）和淀粉分支酶3（SBE3）是水稻胚乳中淀粉合成所涉及到的三个最主要的酶。

Both drought and waterlogging resulted in decreases in the activities of sucrose synthase ( SS ) and granule-bound starch synthase ( GBSS ), and especially in that of soluble starch synthase ( SSS ) .

干旱和渍水均降低了籽粒库蔗糖合成酶（SS）和结合态淀粉合成酶（GBSS）活性，可溶性淀粉合成酶（SSS）活性降低尤甚。

Many researches aimed primarily at enzyme characterization show that there are at least four enzymes ( including ADP-glucose pyrophosphorylase , starch synthase , starch branching enzyme and starch ( debranching ) enzyme ) involved in starch biosynthesis of wheat endosperm .

很多研究表明，小麦胚乳淀粉的合成至少需要四类酶&腺苷二磷酸葡萄糖焦磷酸化酶、淀粉合成酶、淀粉分支酶和淀粉去分支酶，这四类酶的基因克隆和特性的研究有重要进展。

The results strongly suggest that ADPglucose pyrophosphorylase , soluble starch synthase , sucrose synthase and Q enzyme play a key role in starch synthesis of rice endosperm . And the insoluble starch synthase is mainly response for the synthesis of amylose in endosperm .

说明，蔗糖合成酶、ADPG焦磷酸化酶，可溶态淀粉合成酶、Q酶为控制胚乳淀粉积累的关键性酶，而结合态淀粉合成酶主要与直链淀粉合成有关。

It suggested that water stress inhibited grain filling and delayed active grain filling . Activity of key enzymes in rice grain including soluble starch synthase ( SSS ), ADP-glucose pyrophorylase ( ADPGPPase ) and soluble starch branch enzyme were decreased under water stress . 8 .

在籽粒灌浆过程中可溶性淀粉合成酶、淀粉分支酶和ADPG焦磷酸化酶等3种关键酶活性在水分胁迫下都不同程度的被抑制。

Relationship between grain starch synthesis and starch synthase gene expression in weak gluten wheat

弱筋小麦籽粒淀粉合成特性与酶基因表达的关系

Effects of Irrigation Amount on Grain Starch Content , Starch Synthase Activity , and Water Use Efficiency in Wheat

灌水量对小麦籽粒淀粉含量和相关酶活性及水分利用效率的影响

The activity of Maize starch synthases is major due to zSS ⅰ( zea mays starch synthase ⅰ) .

玉米淀粉合成酶活性主要来源于玉米淀粉合成酶Ⅰ（ZeaMays，starchsynthaseⅠ，zSSⅠ）。

The last three committed steps in the pathway of starch biosynthesis are catalyzed by three enzymes , ADPG phosphorylase ( AGPP ), starch synthase and starch branching enzymes .

淀粉的合成在最后阶段涉及到3个关键性的酶是：ADPG焦磷酸化酶、淀粉合成酶以及淀粉分支酶。它们分别催化ADP－葡萄糖的形成、葡聚糖链的延伸以及分支链的形成。

The function and end use of starch relies on its structure and property . According to our current understanding , starch biosynthesis occurs mainly through the action of four classes of enzymes : ADP-Glc pyrophosphorylase , starch synthase , starch-branching enzyme and debranching enzyme .

淀粉的功能和用途由其结构和特性所决定，葡萄糖焦磷酸化酶、淀粉合成酶、淀粉分支酶和淀粉脱支酶是参与淀粉生物合成的关键酶。