Easy-to-use AllPrep Bacterial/Fungal DNA/RNA/Protein Kits isolate total nucleic acids and cellular proteins from Gram (+/-) bacterial cultures and fungal cell cultures. The bead-beating method and spin column technology effectively extract nucleic acids and proteins in a streamlined process. DNA and RNA are ready for qPCR, RT-PCR and next-generation sequencing, while protein is ready for 1D SDS-PAGE and mass spectrometry following in-gel trypsin digestion. Some applications, including 2D SDS-PAGE and solution phase proteolytic digestion for mass spectrometry, may require an additional detergent removal step following protein elution.