The study on the relationship between the acetylation and hsp gene transcription regulation will help us in understanding the mechanisms of eukaryotic transcription regulation 因此，对乙酰化与热休克蛋白基因表达调控关系的深入研究，将有助于我们对乙酰化参与的真核生物基因表达调控的理解。
Upon extensive studies , it has been found that histone acetylation is important in cell cycle regulation . however , little is known about the mechanisms of this process up to date 随着研究的深入，人们发现组蛋白乙酰化修饰对真核细胞周期调控过程起重要作用，但对其具体的调控机制还了解不多。
Recent data have demonstrated that the tails of histones h3 and h4 greatly reduce the speed of transcript elongation through a nucelosome , and tail acetylation suppresses this effect 近来研究表明组蛋白尾部尤其是h3 、 h4四聚体的尾部强烈影响通过核小体的转录延伸速率，而尾部的乙酰化修饰可抑制这种影响。
In the research of the protein modification of n - acetylation , by properly using prior knowledge and upgrading the pattern extraction method , improvement in performance of the svm model was achieved 在对蛋白质的乙酰化修饰的预测过程中，通过合理地利用先验信息，改进模式提取方法，能够显著地提高支持向量机模型的预测性能。
Chitin ' s partially deacetylated product is chitosan . unlike these polysaccharides , chitooligosaccharide and oligochitosan , which are the oligomer homologs of chitin or chitosan , are soluble and can be satisfactorily utilized 几丁质部分脱乙酰化产物是壳聚糖，它们的降解产物为几丁寡糖、壳寡糖，具有较好的水溶性，易于分散吸收。
The solubility of acetylated rice starch and cross - linked rice starch on extrusion increased rapidly , paste temperature disappeared , which demonstrated both modified starches had the characteristic of prepaste starch 挤压法制备的乙酰化大米淀粉和交联大米淀粉的溶解度大幅增加、糊化温度消失，说明挤压法制备的两种变性淀粉还有预糊化淀粉的特性。
Chitin is a natural polymer that has rich resources , its research and development have been paid much attention to in the world , the dea cetylation product of which - chitosan is widely used for its distinctive physico chemical and biological characteristics 作为一种资源极其丰富的天然高分子化合物，甲壳素的研究与开发受到各国的普遍重视，其经脱乙酰化的产物- -壳聚糖因具独特的物化及生物学特性而被广泛应用。
We do not know what cell cycle - associated proteins are regulated by histone acetylation modification , especially at the checkpoints of g1 / s , s / g2 , g2 / m and mitosis exit . neither do we know about the manner in which histone acetylation regulates the expression of these genes 在真核细胞周期调控的重要检验点g1 / s和g2 / m ，以及其他的转换点s / g2和走出m期的各个过程中，哪些细胞周期调控相关蛋白的表达活性与细胞内的组蛋白乙酰化水平相关
Histon acetylation plays an important role in regulation chromatin structure and transcriptional activity . however , there is a lit tle investigation in cloned cattle about histone acetylation . andmore , in many dead cloned cattle , the lung abnormality is mostly obvious 在报道的克隆牛发育异常中，肺脏的异常比较普遍和明显，而在我们的克隆牛工作中也发现了类似问题，所以我们选用克隆牛肺脏组织作为实验材料，进行组蛋白乙酰化研究。
In order to investigate the histone acetylation in gene different regions , we used normal cattle 4n1 , 6n1 , 9n3 , cloned cattle xiaobai and 9c4 , with the igf1 and gh genes . we designed 14 and 8 pairs of primers on their dna sequences , respectively 为研究基因不同区域的组蛋白乙酰化水平，我们选取了正常牛4n1 ， 6n1 ， 9n3 ，克隆牛xiaobai和9c4共五个样品， igf1和gh两个基冈作为研究对象，在它们的基因序列上分别设计了14对和8对引物来进行定量分析。
