Before revision:  However, existing accelerators lack the efficient hardware acceleration for  exact pattern matching (EPM) that is an even more critical and essential function widely used in almost every step of genome analysis including assembly, alignment, annotation , and compression.
After revision:  However, existing accelerators lack the efficient hardware acceleration for exact pattern matching (EPM) that is an even more critical and essential function widely used in almost every step of genome analysis including assembly, alignment, annotation and compression.