这种修饰作用包括碱基的化学变化。
These modifications include the chemical alternation of the bases .
这种修饰作用包括碱基的化学变化。
These modifications include the chemical alternation of the bases.
目的筛选对莪术二酮具有羟基化修饰作用的菌株。
Objective To screen the microorganism with the ability to hydroxylate curdione.
而胆汁盐和金属盐对脂肪酶的修饰作用不大，在高浓度时反而会抑制酶的活性。
Bile salts and metal salts had nearly no improvment in the activities of lipase, and even inhibited that at slightly higher concentration.
这种克隆整合对克隆形态可塑性的修饰作用只在林窗生境来源的实验植物中观察到。
Such modification of local response of ramet petiole to shading due to physiological integration was not observed in the plants from the understory.
赖氨酸乙酰化是一种蛋白质可逆的翻译后修饰作用，在基因表达调控中起重要作用。
Lysine acetylation is a reversible posttranslational modification of proteins and plays a key role in regulating gene expression.
结果表明，Y染色体异染色质可能在人的个体发育过程中对形态生理学性状间的表型关系起一种修饰作用。
The results suggest that the Y chromosome heterochromatin appears to have a modifying effect on the phenotypic relationship between morphophysiological traits during human ontogenesis.
综述了益生菌的作用机理和生理功能，以乳酸菌为例介绍了益生菌的遗传修饰作用，并展望了益生菌的发展前景。
This paper summarizes the action mechanism and the physiological function. Take lactobacillus for example, we illustrate the genetic modifying function of the Probiotics, and make a prospect on it.
我们也对不同水平下调节自噬的分子机制(从转录激活作用到翻译后蛋白修饰作用)方面的最新进展做了文献复习。
We also review the recent advances on the molecular mechanisms that regulate the autophagy machinery at various levels, from transcriptional activation to post-translational protein modification.
扣手可能是由少数几对基因决定的多基因遗传，存在一个起主要作用的显性基因，其他基因对该显性主基因起修饰作用；
Clasping hand was likely controlled by polygenes with several genes, in which a dominant gene played a major role, and others were modificatory ones.
目的：研究大鼠不同发育阶段视皮层各层次神经元的被动膜学特性和突触传递特性，探讨视觉经验在视皮层发育过程中对神经元突触的修饰作用。
Objective: the membrane properties and synaptic transmission of neurons in rat visual cortex were examined to explore modification of these characteristics by visual experience during development.
结果从数十株丝状真菌筛选得到黑曲霉AS 3.739对莪术二酮具有羟基化修饰作用，并分离、纯化和鉴定了2种主要产物1 、2 。
Results Curdione was hydroxylated by Aspergillus niger AS 3.739 which was screened from dozens of fungi, and the two major products 1 and 2 were separated and identified.
组蛋白赖氨酸甲基化是组蛋白尾段发生的一种重要共价修饰，在基因的表观遗传转录调控中起着关键的作用。
The methylation of histone lysine is an important covalent modification at its tails and plays a key role in epigenetic regulation.
表观遗传变异对于植物的生长发育起着重要作用，主要包括DNA甲基化、组蛋白修饰、染色体重塑和RNA干涉等。
Epigenetic variation plays an important role in plant growth and development, including DNA methylation, histone modification, chromosome remodeling, and RNA interference and so on.
组蛋白是染色质的核心，其尾部共价修饰在基因表达调控中有重要作用。
Histone is the core of chromatin, and covalent modification of histone tails have fundamental roles in regulation of gene expression.
目的研究甘草酸表面修饰壳聚糖纳米粒对肝实质细胞的靶向结合作用。
Objective to study the target binding of chitosan nanoparticles with glycyrrhizin surface modification to hepatic parenchymal cells in vitro.
脂质过氧化和低密度脂蛋白的氧化修饰在动脉硬化的发生中起着极其重要的作用。
There is increasing evidence that lipid peroxidation and oxidative modification of low density lipoprotein is important in atherogenesis.
DNA甲基化由DNA甲基转移酶催化，在多种调节因子的参与下，与组蛋白修饰相互作用，抑制基因转录，导致基因沉默。
DNA methylation catalyzed by DNA methyltransferases interacts with histone modification to inhibit gene transcription, induce gene silencing at the participation of many regulators.
本文综述了SUMO - 1修饰在各方面的作用。
近年来，国内外学者对其提取分离方法、分析方法、药理作用、结构修饰等方面进行了研究。
In recent years, domestic and foreign scholars have made researches on its extraction and separation methods, analytical methods, pharmacological effects, structural modification, and so on.
近年研究发现，染色质修饰在基因表达调节中起重要作用。
It has recently reported that chromatin modification plays an important role in regulation of gene expression.
主要探讨组蛋白共价修饰中乙酰化和甲基化在消化道肿瘤形成过程中的作用。
This review focuses on how aberrant covalent histone modifications such as acetylation and methylation may contribute to the development of alimentary canal neoplasms.
但RNA编辑又来捣乱了：向导RNA和酶作用于信使RNA的修饰过程，这就使仅仅从基因序列来推断最终的蛋白序列成为不可能。
Then along came RNA editing, in which guide RNAs or enzyme action modify some messenger RNAs such that the final protein sequence cannot be deduced from the gene sequence alone.
采用电解银表面化学修饰法研究了铼对乙烯环氧化反应的助催化作用。
The promoting effect of Re for ethylene epoxidation was investigated on Re modified electrolytic silver surface.
目的：研究T细胞在巨噬细胞游走抑制因子(MIF)基因修饰的瘤苗诱导抗肿瘤免疫反应中的作用。
Objective: To investigate the role of t cell in the antitumor immune responses induced by MIF gene modified tumor vaccine.
目的制备白藜芦醇脂质体(RES -lip)和半乳糖苷修饰的白藜芦醇脂质体(RES -GLIP)，探讨并比较二者的肝靶向作用。
Aim to prepare resveratrol liposome (RES-LIP) and the liposomes modified by a galactoside (RES-GLIP) as well as to investigate and compare their liver targeting effect.
若选择合适的构造子并将其作恰当修饰，则有可能通过调节构造子间的超分子作用来调控体系的流变学行为。
If the building blocks are chose and modified rightly, it is possible to control the rheology properties by tuning the supramolecular interactions between building blocks.
蛋白激酶是数量最多的一类激酶，作用和修饰特定蛋白的活性。
The largest group of kinases are protein kinases, which act on and modify the activity of specific proteins.
蛋白磷酸化修饰在几乎所有的生命活动中都起重要的调节作用。
The reversible phosphorylation of proteins plays an important role in the regulation of almost all life activities.
蛋白磷酸化修饰在几乎所有的生命活动中都起重要的调节作用。
The reversible phosphorylation of proteins plays an important role in the regulation of almost all life activities.
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