Professor, HOD, Microbiology Department

Prof. Christopher E. Nwanyanwu

Prof. Christopher Ezeh Nwanyanwu


B.Sc., M.Sc., PhD
Mobile Number: +2348037541917



Professor C. E. Nwanyanwu was born at Afikpo in the present-day Ebonyi State of Nigeria. He obtained his B.Sc in Applied Microbiology from Anambra State University of Technology (ASUT) now Nnamdi Azikiwe University (NAU) Awka, Anambra State Nigeria in 1990. He also obtained his M.Sc and PhD in Microbiology from the University of Port Harcourt, Rivers State of Nigeria in 2000 and 2011 respectively. He specialized in Industrial and Environmental Microbiology with an emphasis in ecotoxicology. He joined Federal University of Technology Owerri (FUTO) in 2002. He is presently the Head of Department, Microbiology. He is blessed with three lovely children.


S/No.Academic QualificationDate
1Doctor of Philosophy (PhD)2011
2Master of Science (M.Sc.)2000
3Bachelor of Science (B.Sc.)1990


  • Member, Nigerian Society for Microbiology.
  • Member, Nigerian Environmental Society.
  • Member, African Development Through International Biotechnology (FADIB).
  • Member, Nigerian Society for Experimental Biology.
  • Member, American Society for Microbiology, Nigeria.

Course Codes and Courses Assigned to Teach

S/NoCourses assigned to teachCourse code
1General Microbiology I & IIMCB201 &MCB202
3Microbial growth & Growth kineticsMCB306
4Genetics EngineeringMCB308
5Microbial Statistics & BiometryMCB310
6Food Laws & StandardsMCB312
7Analytical Microbiology & Quality ControlMCB401
8Microbial Physiology & MetabolismMCB405
9Microbial Genetics & Molecular BiologyMCB409
10Microbial EcologyMCB504
11Microbial Physiology & MetabolismMCB703
12Environmental MicrobiologyMCB706
13Advanced Microbial Physiology & MetabolismMCB801
14Advanced Analytical Microbiology & Quality ControlMCB810
15Advanced Soil MicrobiologyMCB814
16Biostatistics & Field ExperimentSCI801
17Advanced Industrial MicrobiologyMCB901
18Advanced Microbial Genetics & BiotechnologyMCB903
19Advanced Public Health Microbiology & EpidemiologyMCB906
20Advanced Medical MicrobiologyMCB909


  • Head of Department, Microbiology 2019 – Date
  • Member Quality Control Committee School of Biological Science
  • Seminar and Project Coordinator (Undergraduate), Microbiology Department 2014 – 2018.
  • Coordinator, General Microbiology I & II (MCB201), 2019 – Date
  • Coordinator, Analytical Microbiology & Quality Control (MCB401), 2013 – 2019.
  • Coordinator, Undergraduate Seminar/Project (MCB505), 2014 – 2019
  • Coordinator, Advanced Analytical Microbiology & Quality control (MCB810), 2013 – 2016.
  • Coordinator, Advanced Soil Microbiology (MCB614), 2012 – Date.
  • Coordinator, MCB632 (Advanced Industrial Microbiology), 2012 – 2014.
  • Coordinator, MCB601 (Advanced Microbial Physiology and Metabolism), 2012 – 2016.
  • Students Advisor 500 Level Students, Microbiology Department, 2008 – 2013.
  • SIWES Coordinator, Microbiology Department, 2008 – 2015.

Research Interest

Environmental Microbiology/Ecotoxicology.


  1. C.O. Nweke, L.C. Mgbachi, C. Nwanganga and C.E. Nwanyanwu. 2006. Heavy metal tolerance among hydrocarbon-utilizing bacteria isolated from oil-contaminated soil. Nig. J. Microbiol. 20(2): 1057 – 1065.
  2. C.O. Nweke, J.C. Okolo, C.E. Nwanyanwu and C.S. Alisi. 2006. The response of planktonic bacteria of the New Calabar River to zinc stress. Afri. J. Biotechnol. 5(8): 653 – 658.
  3. C.O. Nweke, C. Ntinugwa, I.F. Obah, S.C. Ike, G.E. Eme, E.C. Opara, J.C. Okolo and C.E. Nwanyanwu. 2007. In vitro effects of metals and pesticides on dehydrogenase activity in the microbial community of cowpea (Vigna unguiculata rhizoplane. Afri. J. Biotechnol. 6(3): 290 – 295.
  4. C.O. Nweke, C.S. Alisi, J.C. Okolo and C.E. Nwanyanwu. 2007. Toxicity of zinc to Heterotrophic bacteria isolated from tropical River sediment. Appl. Ecol. Environ. Res. 5(1): 123 – 132.
  5. J.C. Okolo, C.O. Nweke, R.N. Nwabueze, C.U. Dike and C.E. Nwanyanwu. 2007. Toxicity of phenolic compounds to oxidoreductases of Acinetobacter species isolated from a tropical soil. Sci. Res. Essay. 2(7): 244 – 250.
  6. J.C. Orji, C.O. Nweke, R.N. Nwabueze, B. Anyaegbu, J.C. Chukwu, C.P. Chukweke and C.E. Nwanyanwu. 2008. Impact of some divalent cations on periplasmic nitrate reductase and dehydrogenase enzyme of Escherichia, Pseudomonas and Acinetobacter species. Rev. Ambi. Agua. 3: 5-18.
  7. C.S. Alisi, C.ENwanyanwu, C.O. Akujobi and C.O. Ibegbulam. 2008. Inhibition of dehydrogenase activity in pathogenic bacteria isolated by aqueous extracts of Musa paradisiacal (Var. sapientum). Afri. J. Biotechnol. 7(12): 1821 – 1825.
  8. J.C. Orji, C.O. Nweke, R.N. Nwabueze, C.E. Nwanyanwu, C.S. Alisi and E.N. Etim-Osowo. 2009. Production and properties of α-amylase from Citrobacter species. Rev. Ambi. Aqua. 4: 45 – 57.
  9. C.E. Nwanyanwu. 2010. Tolerance of phenol-utilizing bacteria to heavy metals in the Aba River sediment. Intern. J. Nat. Appl. Scie. 6(1): 55 -61.
  10. C.ENwanyanwu and G.O. Abu. 2010. In vitro effects of petroleum refinery wastewater on dehydrogenase activity in marine bacterial strains. Revita Ambiente and Agua 5: 21 – 29.
  11. C.E. Nwanyanwu and G.O. Abu.2011. Influence of pH and inoculum size on phenol utilization by bacterial strains isolated from oil refinery effluent. Intern. J. Nat. Appl. Scie. 7(1): 55 -61.
  12. C.E. Nwanyanwu. 2011. Physiological stress response of sediment bacteria to interacting effects of petroleum refinery effluent. Intern. J. Nat. Appl. Scie. 7(1): 22 -28.
  13. J.C. Orji, C.O. Nweke, R.N. Nwabueze, B.N. Anyanwu, L.O. Chigbo and C.E. Nwanyanwu. 2011. Effects of Abattoir wastes on Ammonium and Nitrite consumptions in a tropical freshwater Ecosystem. J.Environ. Sci. Technol. 1 -11.
  14. C.D. Nwakile, U.E. Osonwa, O.C. Okechi, C.C. Opurum, C.E. Nwanyanwu. 2011. Microbial and Physicochemical qualities of selected Co-trimoxazole and Metronidazole formulations in South-Eastern Nigerian. J. Adv. Pharm. Edu. Res. 2: 81-89.
  15. C.E. Nwanyanwu and G.O. Abu.2011. Assessment of viability responses of refinery effluent bacteria after exposure to phenol stress. J. Res. Biol. 8: 594-602.
  16. C.E. Nwanyanwu, C.O. Nweke and J.C. Orji. 2012. Growth responses of petroleum refinery effluent bacteria to phenol. J. Res. Biol. 3: 167 – 177.
  17. C.E. Nwanyanwu, C.S. Alisi, C.O. Nweke and J.C. Orji. 2012. Cell Surface Properties Of Phenol-UtilizingBacteria Isolated From Petroleum Refinery Wastewater. J. Res. Biol. 2(4): 383 – 391.
  18. C.E. Nwanyanwu and G.O. Abu.2012. Growth and degradation responses of phenol-utilizing bacteria to increased doses of phenol in petroleum refinery wastewater. Int. J. Biosci. 2(10): 125 – 134.
  19. C.E. Nwanyanwu and G.O. Abu.2013. Biodegradation of phenol at low and high doses by bacterial strains indigenous to Okrika River in the Niger Delta of Nigeria. J. Res. Biol. 3(3): 911 – 921
  20. C.E. Nwanyanwu, C.O. Nweke, J.C. Orji and C.C. Opurum. 2013. Phenol and heavy metal tolerance among petroleum refinery effluent bacteria. J. Res. Biol. 3(3): 922 – 931.
  21. C.E. Nwanyanwu and G.O. Abu. 2013. Influence of growth media on the hydrophobicity of phenol-utilizing bacteria found in petroleum refinery effluent. Int. Res. J. Biological Sci. 2(10): 6 – 11.
  22. C.E. Nwanyanwu, C.C. Opurum, V. Anyanwu, C.I. Akobundu and C.C. Eze. 2013. Screening of a flocculant-producing Bacterial strain and optimization of its cultural conditions. Int. J. Nat. Appl. Sci. 9(2): 73 – 79.
  23. C.E. Nwanyanwu, C.C. Eze, C.C. Opurum and C.I. Akobundu. 2013. In vitro assessment of tricalcium phosphate solubilizing potential of bacterial species isolated from a tropical soil. Int. J. Nat. Appl. Sci. 9(2): 80 -85.
  24. C.O. Ibegbulem, P.C. Chikezie, C.O. Nweke, CE Nwanyanwu and D.C. Belonwu. 2014. Effects of processing pineapple-based must into wines by anaerobic fermentation. American J. Food Technol. 9(3): 162- 171.
  25. C.L. Nwosu, E.S.Amadi, C.E.Nwanyanwu, C.I.Chikwendu and C.L.Madu. 2014. The prevalence of extended-spectrum beta-lactamases (ESBLs) among Escherichia coli and Klebsiella species urinary isolates from Abia State University teaching hospital (ABSUTH) Aba, Abia State Nigeria. Int. J. Microbiol. Mycol. 2 (3): 20 – 28. 
  26. C.E. Nwanyanwu, C.C. Opurum and C.C. Eze. 2015. Isolation and growth characteristics of Bacillus sp. sd12 in medium containing mixtures of 4-Chlorophenol and Zinc. Nigerian J. microbial. 29: 3062 – 3070.
  27. C.E. Nwanyanwu, S.I. Umeh and A. Sapele. 2015. Effect of phosphate solubilizing bacteria on growth characteristics of maize, beans and groundnut seedlings in potting soil. Nigerian J. Microbial. 29: 3159 – 3166.
  28. C.C. Opurum, C.O. Nweke, C.E. Nwanyanwu and M.I. Nwachukwu. 2015. Kinetic Study on Biogas Production from Fish Pond Effluent co-digested with Cow dung in a Batch Bioreactor system. Int. Res. J. Environment Sci. 4(12): 1 – 7.
  29. C.E. Nwanyanwu. 2015. Physiological and detoxification of phenolic wastewater by bacterial strains isolated from Okrika River at Port Harcourt Nigeria. Int. J. Nat. Appl. Sci. 11: 1 – 10.
  30. C.E. Nwanyanwu and C.C. Opurum. 2016. Evaluation of the toxicity of nickel and cadmium mixtures to rhizosphere bacteria isolated from mangrove ecosystem. Int. J. Nat. Appl. Sci. 12: 7 – 10.
  31. C.E. Nwanyanwu, Opurum, C.C. and Nweke, C.O. 2016. Crude Oil Biodegradation Potential of Bacterial Strains Isolated from Mangrove Ecosystem.  Futo J. Ser. 2(1): 244 – 254.
  32. C.E. Nwanyanwu, I.E. Adieze, C.O. Nweke and B.C. Nzeh. 2017. Combined effects of metals and chlorophenols on dehydrogenase activity of bacterial consortium. Int. Res. J. Biological Sci. 6(4): 10 – 20.
  33. I.N. Nwachukwu, C.E. Nwanyanwu, C. Akujobi, S.I. Okorondu and E.H. Amuneke. 2017. Optimized gibberellic acid production by Fusarium oxysporum. Nig. J. Microbiol. 31(1): 3844 – 3849.
  34. C.E. Nwanyanwu, C.C. Opurum and S. I. Okorondu. 2017. Influence of Carbon and Nitrogen Sources on Biosurfactant Production by Crude Oil-Degrading Bacillus Species RS12. Futo J. Ser. 3(1): 176 – 186.
  35. C.C. Opurum, C.O. Nweke, C.E. Nwanyanwu and J.C. Orji. 2017. Biogas Production from Fish Pond Effluent Supplemented with Cow Blood Meal in a Batch Anaerobic Digester System. Futo J.Ser. 3(1): 166 – 175.
  36. C.E. Nwanyanwu, I.E. Adieze and A.R. Nwauzor. 2017. Effect of Nitrogen Sources on Crude Oil Utilization by Mangrove Bacterial strains.  Nigerian J. Microbial. 31(2): 4068 – 4073..
  37. C. E. Nwanyanwu, C.O. Ibegbulam and C.C Opurum. 2017 Effect of Culture Condition on Lipase Production by Bacillus species Isolated from Palm Oil Mill Effluent Polluted Soil. Futo J. Ser. 3(2): 103 – 112.
  38. C.C. Opurum, C.E. Nwanyanwu, C. B. Nwaneri and I. A. C. Mbachu. 2017. Biosurfactant Production by Pseudomonas species using Pre-treated Palm Oil Mill Effluent as Fermentation Medium. Futo J. Ser. 3(2): 149 – 160.
  39. C. E. Nwanyanwu, E. S. Asiwe, C. S. Alisi and I. A. C. Mbachu. 2017. Toxicity of Quarternary Mixtures of Ciprofloxacin, Ceftriaxone, Ampicillin and Gentamicin to Clinical Isolates of Escherichia coli and Staphylococcus aureus. Futo J. Ser. 3(2): 161 – 172.
  40. S.I. Okorondu, M.M.O. Okorondu, J.N. Okorondu, C.E. Nwanyanwu and S.O. Anyado-Nwadike. Cassava Peel Agar Fortified with Hibiscus sabdarifa for Cultivation of Moulds. Nigerian J. Microbial. 31(1): 3907 – 3913.
  41. Nwanyanwu C.E, Akujobi C.O. and Nlemolisa O.R. 2018. Phenol Utilization by Yeasts Strains Isolated from Hydrocarbon Impacted Soil. Futo J. Ser. 4(2): 146 – 158.
  42. Nzeh B. C., Chiegboka N. A., Nwanyanwu C. E. and Asiwe E. S.. 2019.  Inhibitory and Interactive Effects of Mixtures of Chemical Preservatives against Food Spoilage Bacteria. 6 (11): 264-274