1. Laboratory of Biochemistry, Department of Biochemistry, Faculty of Science, University of Douala, Douala, Cameroon
2. Soil Microbiology Laboratory, Biotechnology Centre, University of Yaounde I, Yaounde, Cameroon
3. Department of Life and Physical Sciences, School of Science and Computing, Galway-Mayo Institute of Technology, Galway, Ireland
4. Institute of Fisheries Science (Yabassi), University of Douala, Douala, Cameroon
5. Regional Laboratory of Biological Control and Applied Microbiology, Institute of Agricultural Research for Development (IRAD), Yaounde, Cameroon
6. Department of Biochemistry, Faculty of Science, University of Yaounde I, Yaounde, Cameroon
7. Department of Microbiology, Faculty of Science, University of Yaounde I, Yaounde, Cameroon