简介:Genomicislands(Gis)areoneofthemostimportantcomponentsforcyanobacterialgenome.TheGiscodehasmanyfunctions,suchassymbiosis,pathogenesis,andadaptation.Inthisarticle,wepredictandanalyzetheGisinSynechocystissp.PCC6803bybioinfomatics,andtheresultsshowthatISL1,ISL8,andISL16arehomologouswithmanyotherbacteria,andtheyinvolveinbasicreactionsandhaveaconservativeevolution.Onthecontrary,ISL15hasauniquesequenceandfunctiononlyforSynechocystissp.PCC6803.MostofGisplayaroleingenomerearrangementbecausetheyhavelotsoftransposase.Moreover,wefindthatrecombinationandhorizontaltransferofGisareimportantfactorstoaffectthedistributionofnon-codingRNA.Ourworkcontributestoacomprehensiveunderstandingofgenomicislandsandtheirimpactongenomeofcyanobacteria.
简介:Foundlingislandsarealsocalledbabysafetyislands.Overseastheyarealsocalledfoundlingprotectioncabinsandareaplacetocareforabandonedbabies.InJune2011,theShijiazhuangSocialWelfareInstituteinHebeiProvincesetupafoundlingisland.Bytheendof2013,manycitieshadsetupsuchislands,whichisanewmeasureforensuringchildrenrights.Therearedifferentopinionson
简介:Homologousfeaturepointextractionisakeyproblemintheopticalandsyntheticapertureradar(SAR)imageregistrationforislands.Anewfeaturepointextractionmethodusingathresholdshrinkoperatorandnon-subsampledwavelettransform(TSO-NSWT)foropticalandSARimageregistrationwasproposed.Moreover,thematchingforthisproposedfeaturewasdifferentfromthetraditionalfeaturematchingstrategiesandwasperformedusingasimilaritymeasurecomputedfromneighborhoodcirclesinlow-frequencybands.Then,anumberofreliablymatchedcoupleswithevendistributionswereobtained,whichassuredtheaccuracyoftheregistration.ApplicationoftheproposedalgorithmtoSPOT-5(multi-spectral)andYG-1(SAR)imagesshowedthatalargenumberofaccuratelymatchedcouplescouldbeidentified.Additionally,bothoftherootmeansquareerror(RMSE)patternsoftheregistrationparameterscomputedbasedontheTSO-NSWTalgorithmandtraditionalNSWTalgorithmwereanalyzedandcompared,whichfurtherdemonstratedtheeffectivenessoftheproposedalgorithm.Thealgorithmcansupplythecrucialstepforislandimageregistrationandislandrecognition.