Source: wikibot/ribosomal-intergenic-spacer-analysis

= Ribosomal intergenic spacer analysis
{wiki=Ribosomal_intergenic_spacer_analysis}

Ribosomal intergenic spacer analysis (RISA) is a molecular biology technique used for the characterization and differentiation of microbial communities, particularly in ecological and environmental studies. RISA primarily focuses on the ribosomal DNA (rDNA) of organisms, specifically the intergenic spacer (IGS) region found between the genes coding for ribosomal RNA (rRNA), which is highly variable among different species.