简介：SmallRNA(sRNA)-mediatedpost-transcriptionalregulationdiffersfromprotein-mediatedregulation.Throughbasepairing,sRNAcanregulatethetargetmRNAinacatalyticorstoichiometricmanner.Sometheoreticalmodelswerebuiltforcomparisonoftheprotein-mediatedandsRNA-mediatedmodesinthesteady-statebehaviorsandnoiseproperties.ManyexperimentsdemonstratedthatasinglesRNAcanregulateseveralmRNAs,whichcausescrosstalkbetweenthetargets.Here,wefocusonsomemodelsinwhichtwotargetmRNAsaresilencedbythesamesRNAtodiscusstheircrosstalkfeatures.Additionally,thesequence-functionrelationshipofsRNAanditsroleinthekineticprocessofbase-pairinghavebeenhighlightedinmodelbuilding.

简介：不同于另外的粪甲壳虫，伊比利亚人geotrupid，Thorecteslusitanicus，展览杂食的行为；例如，它能除了不同哺乳动物的粪吃橡树子，真菌，水果，和腐朽。消化一本更宽的食谱的这改编有生理、发展的优点并且在甲壳虫的内脏microbiota的作文和差异要求关键变化。在这研究，我们孤立氧气，容许厌氧，并且顺从的aerotolerantmicrobiotaT满足从内脏在文化成长。lusitanicus并且解决由定序16SrRNA基因碎片孤立身份到种类水平。用强风类似搜索和最大的可能性的种系发生的分析，我们能表明分析部分(culturable，氧气，容许厌氧，并且aerotolerant)甲壳虫勇气，microbiota被数Proteobacteria，Firmicutes，和Actinobacteria统治。在Proteobacteria之中，顺序Enterobacteriales(Gammaproteobacteria)的成员是最丰富的。与细菌联系的主要功能在T的内脏发现了。lusitanicus将多半对病原体包括氮固定，denitrification，detoxification，和多样的防御角色。

简介：Thesystematiclaboratorystudiesontherolesofsulfate-reducingbacteria(SRB)inthestresscorrosioncracking(SCC)susceptibilityofX80steelsubjectedtocathodicpotentialhavebeenconductedinanearneutralpHsoilsolutionbyslowstrainratetests.ThecathodicpotentialandSRBincreaseindividuallytheSCCsusceptibilityofthesteelinthesoilsolution.ThepositiveroleoftheSRBactivitiesinSCCsusceptibilitydependsontheprolongationofpre-incubationtime,andtheSCCsusceptibilityofthesteelincreasesundermorenegativepotentials.What’smore,theappliedpotentialsandthepresenceofSRBworktogetherinpromotingtheSCCsusceptibilityofthesteel.But,thecombinedactionbecomeslimitedwithdecreasingcathodicpotentials.Therelationshipsbetweentheplasticitylossandthepermeablehydrogenconcentrationwereestablishedforthesteelinthesoilsolution,regardlessofunderopencircuitpotentialorcathodicpotentials,inboththesterileandSRBinoculatedconditions.Therelationshipsarepracticallysignificantfortheselectionofsafecathodicprotection(CP)potentialsinthepresenceofSRBinsoilenvironment.

简介：57个细菌从水取样从海洋的不同纬度和经度是镇定的南部的海洋(印度部门)被孤立。所有isolates能在4点成长吗？？