Almando Geraldi, Laboratory of Microbiology, Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia 60115 2. Research Group for Applied Microbiology and Bioresource Technology, Universitas Airlangga, Surabaya, Indonesia 60115 3. University of Co-E-Research Center for Bio-Molecule Engineering, Universitas Airlangga, Surabaya, 60115, Indonesia, Indonesia