.Functional Genomics: approaches and methodologies.Construction and Screening of a Subtractive cDNA Library.Differential Display Analysis of Alterations in Gene Expression.Representational Difference Analysis of cDNA.Identification of Differentially Expressed Genes by Suppression Subtractive Hybridization (SSH).Gene Expression Analysis by cDNA Microarrays.SADE: A Microassay for Serial Analysis of Gene Expression.Analysis of Gene Expression in Single Cells Using Three Prime End Amplification (TPEA) PCR.Analysis of Gene Expression by 2-D Gel Electrophoresis.Proteome Research: methods for protein characterization