The differential hybridization technique hasbeen widely used to identify genes that are dif-ferentially expressed.However,this approachhas several drawbacks.First,the screeningprocedures are rather labor-intensive and...The differential hybridization technique hasbeen widely used to identify genes that are dif-ferentially expressed.However,this approachhas several drawbacks.First,the screeningprocedures are rather labor-intensive and time-consuming.Second,the amount of phageDNAs transferred onto the two filters may notbe equivalent,which leads to an inaccurate se-lection of a positive clone.Third,isolation ofphage DNA is slow and cumbersome.Here,aPCR based differential screening method that展开更多
Dear Editor,Coronaviruses are enveloped positive-strand RNA viruses with 27–33 kb genomes.These viruses are classified into four genera,namely Alphacoronavirus,Betacoronavirus,Gammacoronavirus,
文摘The differential hybridization technique hasbeen widely used to identify genes that are dif-ferentially expressed.However,this approachhas several drawbacks.First,the screeningprocedures are rather labor-intensive and time-consuming.Second,the amount of phageDNAs transferred onto the two filters may notbe equivalent,which leads to an inaccurate se-lection of a positive clone.Third,isolation ofphage DNA is slow and cumbersome.Here,aPCR based differential screening method that
基金supported by grants from the State Megaproject for Infectious Disease Research of China(2014ZX10004001-002,2013ZX10004101,2013ZX10004805-002)
文摘Dear Editor,Coronaviruses are enveloped positive-strand RNA viruses with 27–33 kb genomes.These viruses are classified into four genera,namely Alphacoronavirus,Betacoronavirus,Gammacoronavirus,