2、SchoolofLifeSciences,GuangzhouUniversityABSTRACTInthisstudygene 4-C4 wasusedasprobetolocateitsexpressionin brown planthopper(BPH)tissues,whichisscreenedfromsuppres--sion subtractive hybridizationlibrary ofBPHsalivarygland.Byinvitroamplificationofgene4-C4,preparationof probes,e
3、mbeddingBPHbyparaffin,hybridization, immuneresponse, dyeingandsoon.Ourresultshowedthatgene4-C4ismainlyexpressedin the salivaryglands of the brown planthopper.Theresultinourresearchwouldlaythefoundation for further functional analysisof gene 4-C4.KEYWORDSBrownplanthopper;Paraff