鞭毛

Fractionation of sperm proteins and in vitro polymerization of flagellar tubulins revealed that the protein might be one of the axonemal components of carp sperm.

后续的鲤鱼精虫蛋白萃取及鞭毛微管再组合实验则显示该蛋白可能是轴丝的成分之一。

Inhibition of PP1 gamma 2 causes motility initiation in immature spermatozoa and motility stimulation and changes in flagellar beat parameters in mature spermatozoa.

抑制PP1γ2会起始未成熟精子的运动并刺激和改变成熟精子的鞭毛运动参数。

The prokaryotic expression system of flagellar biosynthesis genes flhA, flhB2 and fliR of Leptospira interrogans was successfully constructed.

已成功构建了问号钩端螺旋体鞭毛相关基因且flhA、flhB2和fliR原核表达系统。

Bacterial flagellar motor is a kind of revolving molecular motor whichwas found earlist.

鞭毛电机(BacterialFlagellar Motor，简称BFM)是生物界中最早发现的分子旋转电机。

Moreover, no significant changes in flagellar mobility, biofilm formation and production of extracellular cellulase and xylanase in vitro were observed in △rbfCxoo compared to PXO99A. Most importantly, the deletion mutation of rbfCxoo resulted in enhanced virulence and gene expression.

此外，△rbfCxoo鞭毛运动性、生物膜形成和胞外纤维素酶和木聚糖酶活性都无明显改变，但对水稻的致病性显著增强，毒性相关基因的表达也有所增加。

The unicellular alga Chlamydomonas offers a simple life cycle,easy culture and isolation of series of mutants,established the techniques and tool kit for molecular genetics and genetics analysis.It is now becoming the model organism for studies on photosynthesis in plant,flagellar assembly and function,cell cycle and circadian rhythms,signal transduction,light perception and cell recognition.

单细胞衣藻由于其生活周期简单，培养方法简便，易于分离得到系列的突变体，并已建立了分子遗传学研究技术与遗传分析系统，成为植物光合作用、鞭毛组装与功能、细胞周期及节律、细胞信号传导与光感受、细胞识别等重要生物学过程研究的模式生物体。

To investigate the function of STT3a gene in salt adaptation and flagellar regeneration of Dunaliella salina, a pair of degenerate primers was designed according to conserved homologous amino acid sequences of VCVFTA and DVDYVL of STT3a from Chlamydomonas, Arabidopsis thaliana and other organisms. A cDNA sequence of 1 650 bp encoding a whole functional domain of STT3a was amplified from D.

为了研究STT3a基因在杜氏盐藻耐盐及鞭毛再生方面的作用，根据衣藻、拟南芥等STT3a蛋白的氨基酸高度保守序列VCVFTA、DVDYVL设计一对简并引物，采用RT-PCR及3'RACE的方法扩增杜氏盐藻STT3a蛋白功能结构域的cDNA序列。

In Polymer, helix is a quite universal configuration Recent experiments show thatsome polymers such as bacterial flagellar filaments can form bistable helices in ionsolutions, which means that left handed helix and right handed helix can coexist in thesame environment The mechanism of this phenomenon has not been explainedsatisfactorily.

在高分子中，螺旋是一种很普遍的高分子组态。近来实验发现，一些高分子，如细菌鞭毛丝，在离子溶液中能够形成双稳态螺旋，即左螺旋与右螺旋在相同的条件下能够同时存在。

Coli JM109.The rabbit anti-z66 polyclonal antibody was prepared successfully. Conclusion: This study was a foundation to research the mechanism underlying the the unidirectional flagellar phase variation of H:z66 positive Salmonella enterica serover Typhi.

成功克隆表达了H：z66阳性伤寒沙门菌鞭毛素基因fljB：z66，并制备了相应的多克隆抗体，为今后深入研究H：z66阳性伤寒沙门菌的单向相变换机制奠定了基础。

Objective To clone the flagellar biosynthesis genes fihA, flhB2 and fliR of Leptospira interrogans and construct their prokaryotic expression system Methods Extract genomic DNA from Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai strain 56601 by phenol-chloroform method and amplify fihA, flhB2 and fliR gene fragments by high fidelity PCR.

目的 克隆问号钩端螺旋体鞭毛相关基因flhA、flhB2和fliR，并构建其原核表达载体。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐