New England Biolabs' (NEB) popular web tools, Double Digest Finder and Enzyme Finder, are now available for the iPhone™ and iPod® Touch. These tools to help design restriction enzyme experiments are ...

Fifty-one isolates of Phialophora americana, P. parasitica, P. richardsiae, and P. verrucosa (deuteromycetes) were initially characterized by restriction enzyme mapping of the ribosomal DNA region ...

I remember clearly the first time I made a supervised trip, as an undergraduate student, to the departmental freezer to obtain a precious aliquot of restriction enzyme. Its real value, however, only ...

In many organisms the primary DNA structure is covalently modified to regulate, for example, gene expression and genome structure. In eukaryotes, the dominant modification is methylcytosine, although ...

We describe the molecular cloning of the gal operon of Salmonella typhimurium LT2 and the localization of the gal promoter and the genes galE, galT, and galK. The order of the genes and the direction ...