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We also discovered that selenium can decrease hematolysis and effects function of vacuole toxin of HP. morphological conversion from spiralto coccoid forms occurredwhen HP was caltured with selenium and most of coccoid forms had fragmentary flagella and pilus; the effection of selenium to activity of urease, catalase, alkaline phosphatase is not exist or not evidence; selenium enable pET32a-vacA-E. coli BL21 which can express VacA produce yellow lipochrome, and the color become deeper with increasing of concentration of selenium; selenium can decrease expression of recombined VacA by restrain the growth of pET32a-vacA-E. coli, but can not influence activity and gene equence of VacA; selenium can enhance the suppression effect of recombined VacA for gastric cancer cell, depress the index of cell multiplication and the forming rate of colony, decrease the number of cell in S period, increase total of cell in G period; After purified, the recombined VacA can be identified by VacA antibody.

结果：体外实验结果表明：一定浓度的硒作用HP后，HP菌落数量随着硒浓度的增加而减少，菌落颜色由灰白色变为砖红色，溶血现象随硒浓度的增加和作用时间的延长而逐渐消失，HP的形态由弯曲形变为球形或椭圆形，鞭毛及菌毛出现脱落现象；硒对尿素酶、过氧化氢酶、碱性磷酸酶活性无影响或影响不明显；一定浓度的硒能使表达VacA的pET32a-vacA-E.coli BL21工程菌产生脂溶性砖红色色素，颜色随硒浓度增加而加深；一定浓度的硒通过抑制pET32a-vacA-E.coli BL21工程菌的生长，减少重组VacA表达量，但不影响其空泡毒活性及编码基因序列；硒能增强重组VacA对胃癌细胞的抑制作用，使细胞分裂指数和集落形成率降低、S期细胞数量减少，G1期细胞总数增加；纯化后的VacA重组蛋白可被VacA抗体识别，具有良好的抗原性。

The coccus isolated from soil has a high de sulfur ability for iodine and can lower the sulfur content of petroleum by half. In addition some bacteria which can eat plastics have been discovered.

一种从土坯中分离得到的球菌对碘具有很强的脱硫能力能使柴油的含硫量降低一半。

I'm going to seach for Jolin, so far i discovered Coco Lee, unfortunately i only have the 'Step In' song, which is really beautiful, but i continue to look for more.

我正帮Jolin寻找。我发现Coco Lee，不幸的是我只有这首歌，不知道哪一首比较美，我再继续看看。

The college coed was discovered at the bottom of a 200-foot cliff after ten days of searching.

在经历了长达10天的搜索后，这名女大学生在200英尺深的悬崖里被找到。

The college coed was discovered at the bottom of 200-foot cliff after 10 days of searching.

这个女大学生是警方在经过10天的搜索后在一个200英尺深的悬崖底部发现的，她及有可能是自己坠崖身亡。

The college coed was discovered at the bottom of the 200-foot cliff after ten days of searching.

在搜寻十天后，这位女大学生被发现置身于200英尺的悬崖之下。

When we study his teachings, we are free to believe them or not, as we see fit; the man who discovered them never laid down any rules coercing us in any way.

学习他的教导时，我们可以自己判断，自由地相信或者不信；发现它们的这个人从来没有立下任何规矩强迫我们。

She's been steadily upgrading her appearance after being discovered on "Britain's Got Talent," and yesterday Susan Boyle displayed a freshly-colored coif.

自打《英国达人》节目中一夜成名之后，苏珊·博伊尔一直在努力改善自己的形象。昨日她就配以一条时尚的格子块丝巾形象示人。

Colby discovered that there was no telling who would break or when.

科尔比上尉发现，对崩溃之人或崩溃时刻无言以对。

Many admirers have testified to the "nonchalance" of Testino's photo-shoots, the relaxed, almost intimate, feel to the pictures, as though the overly-papped film and pop stars have discovered a friend, rather than a cold-eyed voyeur, behind the lens.

布拉格不算是我最最向往的欧洲城市，但我却循声而去，终于在21号登上了伦敦飞往布拉格的航班，这次早在去年十一月份就订好的旅行，没有让我在上路前做好旅行功课，因而有些狼狈。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。