Dr. Blessing Minaopunye Onyegeme-Okerenta
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Dr. Blessing Minaopunye Onyegeme-Okerenta

Associate Professor
Department of Biochemistry, Faculty of Science, University of Port Harcourt, Nigeria

Highest Degree
Ph.D. in Biochemistry from University of Lagos, Nigeria

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Area of Interest:

Biomedical Sciences
100%
Environmental Biochemistry
62%
Molecular Biology
90%
Biotechnology
75%
Life Sciences
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
67
Abstracts
19

Selected Publications

  1. Onyegeme-Okerenta B.M., E.D.V. Chinedum and E.O. Ebere, 2023. Toxic metal concentrations and exposure risks associated with surface water, seafood (Clarias gariepinus, oreochromis niloticus, cottus gobio) and vegetable (telfairia occidentalis) from Elebele River, Nigeria. J. Global Ecol. Environ., 17: 51-66.
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  2. Ezim, O.E., M.A. Coker, C.K. Wofuru-Nyenke, D.C. Belonwu, B.M. Onyegeme-okerenta and S.O. Abarikwu, 2023. Intake of fluted pumpkin seeds rebalances oxidative stress parameters in the aged rat's testes. Andrologia, Vol. 2023. 10.1155/2023/6745770.
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  3. Onyegeme-Okerenta, B.M., O.L. West and L.C. Chuku, 2022. Concentration, dietary exposure and human health risk assessment of total petroleum and polycyclic aromatic hydrocarbons in seafood from coastal communities in Rivers State, Nigeria. Sci. Afr., Vol. 16. 10.1016/j.sciaf.2022.e01186.
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  4. Onyegeme-Okerenta, B.M., G.E. Dickson, B.A. Amadi and E.B. Essien, 2022. Antiplasmodial effects of aqueous leaf extracts of Senna alata and Dennettia tripetalla in chloroquine-sensitive Plasmodium berghei berghei (NK65) infected mice. Proc. Niger. Acad. Sci., 15: 16-25.
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  5. Onyegeme-Okerenta, B.M., F.C. Anacletus, K.R. Agene and E.M. Ubana, 2022. Ameliorating potential of Annona muricata on testosterone propionate-induced benign prostatic hyperplasia in male wistar rats. Scholars Int. J. Biochem., 5: 28-36.
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  6. Onyegeme-Okerenta, B.M., A.O. ThankGod, F.C. Anacletus, 2022. Attenuating potential of aluminum sulphate (alum) on testosterone propionate-induced benign prostatic hyperplasia in male Wistar rats. Sci. Afr., Vol. 21. 10.4314/sa.v21i2.1.
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  7. Minaopunyea, O.O.B. and O.H. Chimeziea, 2022. Ameliorative potentials of justicia carnea and cnidoscolus aconitifolius on the fecundity of chloramphenicol-induced lymphoma rats. J. La Lifesci., 3: 65-75.
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  8. Onyegeme-Okerenta, B.M., 2021. Women in Academia: Developing Self-Confidence and Assertiveness. In: Science by Women: Stories From Careers in STEM: Women in Engineering and Science, Nwaichi, E.O. (Ed.), Springer International Publishing, New York, ISBN: 978-3-030-83032-8, pp: 111-123.
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  9. Minaopunye, O.O.B., O.H. Chimezie and O.N.C. Uchechi, 2021. Biochemical evaluation of chloramphenicol-induced lymphoma and ameliorative potentials of Justicia carnea and Cnidoscolus aconitifolius in male Wistar rats. GSC Adv. Res. Rev., 9: 128-136.
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  10. Akie, J.A., M.O. Wegwu, D.C. Belonwu, B.M. Onyegeme-Okerenta and C.T. Iriakuma, 2021. Evaluation of polycyclic aromatic hydrocarbon content of selected fin and shell fish from named rivers in Ogoniland, Rivers State, Nigeria. J. Adv. Biol. Biotechnol., 24: 1-10.
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  11. Jumbo, A.A., M.O. Wegwu, D.C. Belonwu and B.M. Onyegeme-Okerenta, 2020. Assessment of proximate profile of selected fin and shell fish and physicochemical assessment of water from Named Rivers in Ogoniland. Asian J. Environ. Ecol., 13: 16-27.
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  12. Emmanuel, P.D., B.M. Onyegeme-Okerenta and K. Sarah, 2020. Essential oil compositions of Aframomum danielli seed (Ataiko). Asian J. Res. Biochem., 7: 19-27.
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  13. Onyegeme-Okerenta, B.M., E.B. Essien and J.I. Esin, 2019. Anti-sickling properties of aqueous extracts of Dennettia tripetala and Physalis angulata. Asian J. Biol. Sci., 12: 772-778.
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  14. Onyegeme-Okerenta, B.M. and E.B. Essien, 2019. In vitro antisickling potentials of ethanol extract of Annona Muricata, Delonix Regia and Senna Alata. Recent Trends Pharm. Sci. Res., 2: 7-18.
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  15. Onyegeme-Okerenta, B.M., P.O. Ogboye and C. Monago-Ighorodje, 2018. Ameliorative effect of aqueous extracts of seeds of Delonix regia (Hook) raf on the liver, kidney and spleen of high-fat diet streptozotocin-induced diabetes in female wistar rats. Eur. J. Med. Plants, Vol. 25. 10.9734/EJMP/2018/43640.
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  16. Onyegeme-Okerenta, B.M., B.A. Amadi and V.O. Ezeonyilimba, 2018. The ameliorating potential of Annona muricata on sodium fluoride-induced toxicity on liver and kidney of male wistar rats. J. Complementary Altern. Med. Res., Vol. 6. 10.9734/JOCAMR/2018/43274.
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  17. Onyegeme-Okerenta, B.M, C. Agyare, T.D. Bradshaw and K.A. Spriggs, 2018. Cytotoxic potential of ethanol extract of Parquetin nigrescens on MCF-7, C4-2WT, HT 29 and HTC 116 cell lines. Afr. J. Pharm. Pharmacol., 12: 310-318.
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  18. Onyegeme-Okerenta, B., K. Spriggs and T. Bradshaw, 2018. Ethyl acetate extract of Senna alata (L) roxb increases cytotoxicity in the human breast, prostate and colorectal cancer cells. J. Cancer Treat. Res., 6: 44-53.
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  19. Essien, E.B., B.M. Onyegeme-Okerenta and J.O. Onyema, 2018. Calcium carbide as an artificial fruit-ripening agent and its physiological effects on wistar rats. Clin. Exp. Med. Sci., 6: 47-61.
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  20. Chuku, L.C., B.M. Onyegeme-Okerenta and C. Obia, 2018. Evaluation of some serum biochemical parameters of humans exposed to burnt tire emissions. J. Appl. Sci. Environ. Manage., 22: 1649-1655.
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  21. Amadi, B.A., B.M. Onyegeme-Okerenta and V.O. Ezeonyilimba, 2018. The potential ameliorative effects of Annona muricata (Linn) on sodium fluoride-induced toxicity on haematological indices and fecundity of adult male wistar rats. J. Appl. Life Sci. Int., Vol. 19. 10.9734/JALSI/2018/45192.
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  22. Onyegeme-Okerenta, B.M. and O.A.T. Ebuehi, 2017. Physiological effect of natural penicillin extract on cassava peel media by Penicillium chrysogenum PCL501 on E.coli infected wistar rats. IOSR J. Pharm., 7: 34-42.
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  23. Onyegeme-Okerenta, B.M. and O.A.T. Ebuehi, 2017. Effect of natural penicillin synthesized in agro-waste (sugar cane pulp) media on Wistar rats. Clin. Exp. Med. Sci., 5: 67-83.
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  24. Onyegeme-Okerenta, B.M. and F.C. Anacletus, 2017. Hypoglycaemic and Hhypolipidaemic potentials of Senna alata and its effect on the pancreas of alloxan-diabetic induced albino rats. J. Appl. Life Sci. Int., Vol. 11. 10.9734/JALSI/2017/32731.
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  25. Onyegeme-Okerenta, B.M. and F.C. Anacletus, 2017. Hepatic evaluation of alloxan-induced diabetic albino rats treated with ethanol extract of the leaf of Senna alata. J. Pharm. Sci. Innovation, 6: 17-21.
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  26. Anacletus, F.C., B.M. Onyegeme-Okerenta and A.P. Onwuka, 2017. Assessment of Prostatic Specific Antigen (PSA) levels in male patients attending medical check-up in some private clinics and laboratories in Port Harcourt Metropolis: A measure of prostate clinical pathology. Int. J. Curr. Adv. Res., 6: 2078-2080.
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  27. Onyegeme-Okerenta, B.M., C. Obia and M.O. Wegwu, 2016. Physicochemical properties of water quality of Imeh, Edegelem and Chokocho communities located along Otamiri-oche River in Etche Ethnic Nationality of Rivers State, Nigeria. J. Applied Sci. Environ. Manage., 20: 113-119.
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  28. Onyegeme-Okerenta, B.M. and F.C. Anacletus, 2016. Hepatoprotective and ameliorative effects of selected antioxidants on aluminium induced toxicity on Wistar rats. Eur. J. Adv. Res. Biol. Life Sci., 4: 24-34.
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  29. Onyegeme-Okerenta, B.M. and F.C. Anacletus, 2016. Evaluation of aluminium toxicity and the ameliorative effect of some selected antioxidants on fecundity of matured male Wistar rats (Rattus rattus). Eur. J. Adv. Res. Biol. Life Sci., 4: 15-23.
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  30. Onyegeme-Okerenta, B.M. and F.C. Anacletus, 2016. Ameliorative effects of some selected antioxidant supplements on aluminium induced nephrotoxicity of male Wistar rats. Health Sci. Res., 3: 17-22.
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  31. Anacletus, F.C., B.M. Onyegeme-Okerenta and C.U. Iheka, 2016. The use of some selected antioxidant supplements in the management of fluoride toxicity on adult male Wistar rats' fecundity. J. Biotechnol. Res., 2: 12-23.
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  32. Anacletus, F.C. and B.M. Onyegeme-Okerenta, 2016. Induction of haematological and lipid profile changes by aluminium-induced toxicity and ameliorative effects of selected antioxidants on Wistar rats. Health Sci. Res., 3: 30-34.
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  33. Anacletus, F.C. and B.M. Onyegeme-Okerenta, 2016. Evaluation of aluminium toxicity and the ameliorative effect of some selected antioxidants on reproductive hormones and organs of female Wister rats. Br. J. Pharmacol. Toxicol., 7: 26-30.
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  34. Onyegeme-Okerenta, B.M., S.C. Alozie and M.O. Wegwu, 2015. Physico-chemical properties of soil polluted with petroleum crankcase oil and chlorophyll concentration of Abelmoschus esculentus (okra). J. Environ. Earth Sci., 5: 80-88.
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  35. Onyegeme-Okerenta, B.M. and N.U. Enyadike, 2015. Hepatotoxic effect of aflatoxin-contaminated agro feeds (groundnut, maize and melon seed) on Wistar albino rats. Agric. Biol. Sci. J., 1: 190-196.
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  36. Onyegeme-Okerenta, B.M. and E.N. Onyeike, 2015. Hepatotoxic effect of aqueous leaf extract of Millettia aboensis on Wistar rats. J. Biotechnol. Res., 1: 26-30.
  37. Onyegeme-Okerenta, B.M. and E.E. Bassey, 2015. Evaluation of anti-diabetic and anti-lipidemic activities of aqueous leaf extract of Millettia aboensis and its effect on pancreatic histology of alloxan-induced diabetic rats. Adv. Biochem., 3: 24-29.
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  38. Onyegeme-Okerenta, B. M. and E.B. Essien, 2015. Effect of leaf extract of Millettia aboensis on the reproductive hormones and organs of female Wistar albino rats. Int. J. Biol. Sci. Applic., 2: 42-47.
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  39. Jumbo, A.A., M.O. Wegwu, D.C. Belonwu and B.M. Okerenta, 2015. Assessment of heavy metal concentrations of selected fin and shell fish from Ogoniland. J. Environ. Earth Sci., 5: 15-19.
  40. Iheka, C.U., B.M. Onyegeme-Okerenta and F.C. Anacletus, 2015. Impact of fluoride toxicity and ameliorative effects of some antioxidants on selected biochemical indices of male rats. AASCIT J. Health, 2: 87-92.
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  41. Onygeme-Okerenta, B.M. and S.C. Alozie, 2014. The effect of spent crankcase oil on early seedling growth and protein oxidation on Telfairia occidentalis. Int. J. Applied Environ. Sci., 9: 591-599.
  42. Onyegeme-Okerenta, B.M., V.I. Okochi and S.N. Chinedu, 2014. Antithrombotic and anticoagulant properties of Penicillium chrysogenum (PCL 501) culture extracts. J. Pharmaceut. Scient. Innov., 3: 20-24.
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  43. Onyegeme-Okerenta, B.M. and U.A. Okafor, 2014. Antimicrobial properties of ethanol leaf extract of Millettia aboensis on some selected clinical isolates. Universal J. Plant Sci., 2: 97-101.
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  44. Onyegeme-Okerenta, B.M., V.I. Okochi and S.N. Chinedu, 2013. Penicillin production by Penicillium chrysogenum PCL 501: Effect of UV induced mutation. Int. J. Microbiol., Vol. 12, No. 1. .
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  45. Onyegeme-Okerenta, B.M., E.N. Onyeike and F.O. Esialekpe, 2013. Effect of ethanol leaf extract of Millettia aboensis on selected haematological indices of Wistar albino rats. Global Adv. Res. J. Med. Plants, 2: 4-11.
  46. Okafor, U.A., V.I. Okochi, S.N. Chinedu, O.A.T. Ebuehi and B.M. Onygeme-okerenta, 2010. Pectinolytic activity of Wild-type filamentous fungi fermented on agro-wastes. Afr. J. Microbiol. Res., 4: 2729-2734.
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  47. Onyegeme-Okerenta, B.M., S.N. Chinedu, V.I. Okochi and U.A. Okafor, 2009. Agro-waste: A potential fermentation substrate for Penicillium chrysogenum. Int. J. Biol. Chem. Sci., 3: 203-208.
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  48. Onyegeme-Okerenta, B.M., S.N. Chinedu, U.A. Okafor and V.I. Okochi, 2009. Antibacterial activity of culture extracts of Penicillium chrysogenum PCL501: Effects of carbon sources. Online J. Health Allied Sci., Vol. 8, No. 1. .
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  49. Chinedu, S.N., S.C. Yah, O. Nwinyi, V.I. Okochi, U.A. Okafor and B.M. Onyegeme-Okerenta, 2008. Plant waste hydrolysis by extracellular enzymes of Aspergillus niger and Penicillium chrysogenum: Effect of ammonia pretreatment. Niger. J. Biochem. Mol. Biol., 23: 1-7.
  50. Okafor, U.A., V.I. Okochi, B.M. Onyegeme-Okerenta and S. Nwodo-Chinedu, 2007. Xylanase production by Aspergillus niger ANL 301 using agro-wastes. Afr. J. Biotechnol., 6: 1710-1714.
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  51. Okafor, U.A., N.T. Emezue, V.I. Okochi, B.M. Onyegeme-Okerenta and S.N. Chinedu, 2007. Xylanase production by Penicillium chrysogenum (PCL501) fermented on cellulosic wastes. Afr. J. Biochem. Res., 1: 48-53.
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  52. Nwodo-Chinedu, S., V.I. Okochi, H.A. Smith, U.A. Okafor, B.M. Onyegeme-Okerenta and O. Omidiji, 2007. Effect of carbon sources on cellulase (EC 3. 2. 1. 4) production by Penicillium chrysogenum PCL501. Afr. J. Biochem. Res., 1: 6-10.
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