果蝇

At present, the life of the tea on the Drosophila study on the impact of major black tea, green tea, Lingzhi tea, mountain Mallotus and so on, over the course of the study of fruit flies were found in tea to increase the impact of life expectancy, among the best green tea .

中文摘要：目前国内茶对果蝇寿命影响的研究主要有红茶、绿茶、灵芝茶、山苦茶等，在以上的研究过程中均发现茶叶对果蝇有提高寿命的影响，其中又以绿茶效果最佳。

TO examine whether there is SD system in natural populations of Drosophila melanogaster in China, we surveyed a few populations of D.

在此基础之上，进一步从北京北安河地区的黑腹果蝇群体中筛选得到一个SD果蝇品系。

Our previous studies have shown that ubiquitous overexpression of HmgD caused hemocytes proliferation and the formation of melanotic tumors in the Drosophila larvae. To clarify the mechanism of melanotic tumors appearance,we also generated RT-PCR analysis to test the transcriptional changes of PPAE and Spn27A,which encode the key factors in the phenoloxidasecascade pathway from larvae samples of mid-third instar,late-third instar and prior to pupation relative to wild type flies.Our result showed that in the HmgD overexpression mid-third instar larvae,the expression level.of Spn27A was lower than wild type,otherwise the expression level of PPAE was higher than wild type.It suggests that overexpression of HmgD affects the PO cascade pathway.

本研究组前期工作发现，过量表达HmgD引起果蝇幼虫体内血细胞增生，并出现黑色素瘤，为探讨HmgD过量表达导致了血细胞增生即形成黑色素瘤的分子机制，本研究分别提取三龄中期、后期和相对于野生型化蛹前时刻的幼虫的RNA，首先检测了编码酚氧化酶级联反应途径中的两个关键基因PPAE，Spn27A在突变体中的转录发生变化，结果发现，Spn27A在三龄中期的表达量低于野生型，而PPAE的表达高于野生型，表明过量表达HmgD影响了酚氧化酶级联反应途径，低水平的Spn27A不足以抑制PPAE的活性，活化的PPAE催化了PPO的活性，使其转变成有活性的PO，从而促进黑色素的生成，使果蝇体内产生黑色素瘤。

Its activity was specific and was affected by pH, reaching the peak in weak acidic condition. It obviously inhibits amylases from D. melanogaster, Solenopsis invicta, Odontotermes formosanus, Periplaneta Americana Linnaeus, and Alphitobius sp. In addiction, the study points out Phaseolus vulgaris, Phaseolus coccineus L. and Glycine max, which have significant inhibition toward pancreatic amylase.

经测试发现此抑制剂在85℃时仍具备抑制果蝇淀粉酶之活性，为一热安定性蛋白质，其抑制作用受pH 值影响很大，在偏酸性环境下的效果最好，且其抑制作用具特性，可明显抑制果蝇、入侵红火蚁、白蚁、蟑螂及面包虫等昆虫的淀粉酶活性。

Ten members of the Pax gene family, which perform crucial regulatory functions during embryonic and postembryonic development, have been identified in Drosophila.

果蝇中已发现10个Pax基因家族成员，它们对果蝇胚胎发育及成虫组织器官的分化有非常重要的调控作用。

After thirty-five generations, the two groups and their offspring were isolated reproductively because of their strong habitat preferences: they mated only within the areas they preferred, and so did not mate with flies that preferred the other areas.

经过35代，这两个果蝇群出现生殖隔离，因为它们有强烈的生境偏好：它们只在它们喜欢的区域交配，因此不与喜欢其它区域的果蝇交配。

The CG3295 gene is a Drosophila homolog of the mammalian gene RMND5. Its function is yet unknown.

果蝇CG3295基因是哺乳动物基因RMND5在果蝇中的同源物，其功能未知。

Including the common component CBP/p300, one of whose functions is to modify the structure of chromatin by acetylating

它的名字最初来自于果蝇上的同源位点（这个基因决定果蝇身体结构的特征）。

FlyTED, the Drosophila Testis Gene Expression Database, is a biological research database for gene expression images from the testis of the fruit fly Drosophila melanogaster.

FlyTED，果蝇睾丸基因表达数据库，是一个来自黑腹果蝇的基因表达图像的一个生物学研究数据库。

About 2/3 genes in human being which cause diseases including those associated with cancer, can be found in Drosophila as homologues.

在对果蝇与人类基因的比较中，发现三分之二引发人类疾病的基因在果蝇中都存在有类似的基因。

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