Cancer Research

Cell Signaling and Neuroscience

Custom Synthesis

Functional Genomics and RNAi

Molecular Biology

Automated Sequencing

Cloning and Expression

DNA and RNA Purification

Gene Expression Analysis

Molecular Biology Reagents

Nucleic Acid Detection

Nucleic Acid Electrophoresis

Whole Genome Amplification

Nutrition Research

Obesity Research

Peptides and Proteins

Plant Biotechnology

Proteomics and Protein Expr.

Stable Isotopes

Stem Cell Biology

Your Favorite Gene - Search

Life Science Innovations

Cloning and Expression:

Sigma-Aldrich offers everything you need for cloning and expression. Our innovative products for cloning and expression include microbial medias, competent cells, cloning systems, transfection reagents, expression vectors and molecular biology enzymes.

Competent Cells & Transformation

Other Cloning Products

Expression Vectors

Product Catalog

Cloning & Expression Systems

Molecular Biology Enzymes

Transfection Reagents

	Combine IMAC Versatility with the Sensitivity of FLAG® Detection with the MAT-Tag™ Protein Expression Systems!

	The TargeTron® Gene Knockout System is a revolutionary method for rapid and specific disruption of genes in prokaryotic organisms.