糖合成

The direct bioconversion process of cellulosic materials into ethanol involves the enzyme synthesis, cellulose and semicellulose hydrolysis, and ethanol fermentation using glucose and xylose.

植物纤维资源直接发酵生产乙醇涉及到酶的合成，纤维素的酶水解和葡萄糖、木糖的乙醇发酵等步骤，它们对最终发酵结果有着不同程度的影响。

The identification of protein were performed by searching the mass spectrometry data from the NCBInr database using the software of Sequest Bioworks3. 2. The results indicated that over 25 protein components including acid and basis phospholipase A2, nerve growth factor, presynaptic neurotoxin, hemorrhagic factor, thrombin-like enzyme, serine protease, glycogen synthase, metalloproteinase, maturase, L-amino acid oxidase, plasminogen activator, adhesion, cysteine-rich secretory protein, disintegrin, fibronectin-binding protein, fibrinogen clotting inhibitor A chain, vascular apoptosis-inducing protein 1, pyranose 2-oxidase, carbamoyl-phosphate synthase, as well as the homology proteins of snake venom ablomin, ablomin, catrin, mucrofirase, pallabin, salmosin and triflin homologues were identified from the GSSV.

从GSSV中鉴定出超过25种蛋白组分，主要包括：酸性磷脂酶A1、碱性磷脂酶A2、神经生长因子、突触前神经毒素、出血因子、类凝血酶、丝氨酸蛋白酶、糖原合酶、金属蛋白酶、成熟酶、L-氨基酸氧化酶、纤溶酶源激活物、外源凝集素、富含半胱氨酸分泌酶、去整合素、纤连蛋白结合蛋白、纤维蛋白原凝固抑制因子A、血管凋亡诱导蛋白1、氨甲酰基磷酸合成酶、吡喃糖－2-氧化酶以及ablomin， catrin， mucrofirase， pallabin， salmosin和triflin的同源蛋白。

And the two steric chemical problems of the synthesis were discussed.

对于其中涉及到的两个立体化学问题选择性地合成了2-脱氧-2-硝甲基分枝糖（50）。

It seems that the stevioside biosynthesis is related to re-differentiation of chloroplast.when cultured 60 days later,all the callus with different concentration 6-BAP do have ability to synthetize SS or RA.

培养40 d的愈伤组织仅检测到RA，表明此时的愈伤组织又恢复了合成糖苷的能力，推测与叶绿体的再分化有关。

The present situation of research on selective biosynthesis of Trichoderma reesei xylanases for xylo-oligosaccharides production is reviewed in detail.

对低聚木糖生产用里氏木霉木聚糖酶选择性合成的研究现状进行了较全面的总结和评述。

Furthermore, a series of triterpene glycosides that composed of oleanolic acid, ursolic acid and glucosamine oligosaccharides were synthesized, and their structures were determined.

本文还以具有良好生物活性的五环三萜类的化合物齐墩果酸与熊果酸作为苷元，完成了一系列氨基葡萄糖及其寡糖三萜皂苷的合成和结构确定工作，为测试其生物活性、研究构效关系奠定了基础。

The volatiles existed at higher amounts in bound form than in free form. Compared with uncased tobaccos, free form volatiles showed a decrease after casing process, while bound volatiles showed an increase.

该研究结果对烟草香味成分分析、糖苷结合态香味物质的合成和应用、卷烟加香加料技术都具有参考价值，同时对优化工艺质量也有一定指导意义。

Several methods applied widely for synthesizing uronic acid are introduced, such as methods of one-step process and two-step process.

分别就糖醛酸的几种常用合成方法进行了介绍，即直接将羟甲基氧化成羧基的一步法和先将羟甲基氧化成甲酰基、再氧化成羧基的两步法。

A derivative of iniositol, phytic acid, is an important syorage compound in seeds, which is believed to be converted during germination to inositol, and thence to glucuronic and uronic acids for the synthesis of cell-wall components.

这种己醇6磷酸在种子中是重要的贮藏化合物，在种子萌发过程中可以转化为肌醇，继而形成葡萄糖醛酸和糖醛酸，以合成细胞壁的组分。

The position, type and number of sugar moieties incorporated to the antibiotics have great impact on its bioactivity.

本文综述了糖基转移酶的种类、功能、特性及其在组合生物合成中的应用与研究前景。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。