*Correspondence
Assistant Professor. WISOOT CHAN-IT, Ph.D.
Pibulsongkram Rajabhat University,
Microbiology Program, Faculty of Science and Technology,
156 Mu 5 Plaichumpol sub-district, Muang district,
Phitsanulok province, 65000, Thailand.
E-mail: wchanit@psru.ac.th
Phone: +66 82 4019079; Fax: +66 55 267104