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Publications

Research articles

 

Osowole, O.A., Tonukari, N.J. and Uwaifo, A. O. (1992). Isolation and partial Characterization of pigeon pea protease inhibitor: its effect on the genotoxic action of aflatoxin B1. Biochem. Pharmacol. 43(8): 1880-1882. http://www.sciencedirect.com/science/article/pii/000629529290727Z

 

Schaal, B., Olson, P., Prinzie, T., Carvalho, L.J.C.B., Tonukari, N. J. and Hayworth, D.A. (1994). Phylogenetic analysis of the genus Manihot based on molecular markers. Proceedings of the second International Scientific meeting of the Cassava Biotechnology Network, pp. 62-70.

 

Petrilli, P. and Tonukari, N. J. (1997) PFDB: A protein families database for Macintosh computers. The effectiveness of its organization in searching for protein similarity. Journal of Protein Chemistry, 16(7):713-720. DOI: 10.1023/A:1026310621698. http://www.ncbi.nlm.nih.gov/pubmed/9330229

 

Tonukari, N.J., Thottapilly, G., Ng, N. Q. and Mignouna, H.D. (1997). Genetic polymorphism of cassava within the Republic of Benin detected with RAPD markers. African Crop Science Journal, 5(3):219-228. ISSN: 1021-9730. http://www.bioline.org.br/abstract?cs97028

 

Mignouna, H., Asiedu, R., Dixon, A., Tonukari, J., Ng, N., Thottappilly, G and Ellis, T. (1998). Application of Molecular Markers in XA98484I4 Germplasm enhancement of cassava (Manihot esculenta L. Crantz) and yams (Dioscorea spp.) at IITA. Use of novel DNA fingerprinting techniques for the detection and characterization of genetic variation in vegetatively propagated crops, 85. IAEA.

 

Tonukari, N.J., Scott-Craig, J.S. and Walton, J.D. (2000). Cochliobolus carbonum SNF1 gene is required for cell wall degrading enzyme expression and virulence on maize. Plant Cell, 12 (2):237-248. http://www.plantcell.org/content/12/2/237

 

Baidyaroy, D., Brosch, G., Ahn, J.H., Gracessle, S., Wegener, S., Tonukari, N.J., Caballero, O., Loidl, P., Walton, J.D. (2001). A gene related to yeast HOS2 histone deacetylase affects extracellular depolymerase expression and virulence in a plat pathogenic fungus.  Plant Cell 13: 1609 – 1624.  http://www.plantcell.org/content/13/7/1609.full.pdf+html http://www.ncbi.nlm.nih.gov/pubmed/11449054

 

Tonukari, N.J., Scott-Craig, J.S. and Walton, J.D. (2002). Influence of carbon source on the expression of Cochliobolus carbonum xylan-degreding enzyme genes. African Journal of Biotechnology, 1:64-66. http://www.academicjournals.org/ajb/PDF/PDF2002/DecemberPDFs2002/Tonukari%20et%20al.pdf

 

Tonukari, N.J.  (2003). Enzymes and fungal virulence. Journal of Applied Science and Environmental Management, Vol 7 (1) 5-8.  http://www.bioline.org.br/abstract?ja03001

 

Tonukari, N.J., Scott-Craig, J.S. and Walton, J.D. (2003). Isolation of the carbon catabolite repressor (CREA) gene from the plant-pathogenic fungus Cochliobolus carbonum. DNA Sequence, 14: 103-107. http://www.ncbi.nlm.nih.gov/pubmed/12825351

 

Tonukari, N.J. (2005). Properties of Snf1 protein kinases – a minireview. Nigerian Journal of Biochemistry and Molecular Biology, 20: 57-60. ISSN: 0189-4757.

 

Graham, S., Pelle, R., Honda, Y., Mwangi, D., Tonukari, N. J., Yamage, M., Glew, E., de Villiers E., Shah, T., Bishop, R., Abuya, E., Awino, E., Gachaja, J., Luyai, A., Mbwika, F., Muthiani, A., Ndegwa, D., Njahira, M., Nyanjui, J., Onono, F., Osaso, J., Saya, R., Wildmann, C., Fraser, C., Maudlin, I., Gardner, M., Morzaria, S., Loosmore, S., Gilbert, S., Audonnet, J., van der Bruggen, P., Nene, V. and Taracha, E. (2006). Theileria parva candidate vaccine antigens recognized by immune bovine cytotoxic T lymphocytes. Proceedings of the National Academy of Science, 103: 3286-3291. DOI: 10.1073/pnas.0511273103. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1413922/pdf/pnas-0511273103.pdf

 

Mwangi, D.M., Graham, S.P., Pelle,R, Honda,Y, Tonukari, N.J., Yamage,I.M., Glew, E.J., Villiers,E.P., de., Shah,T., Bishop,R., Abuya, E., Awino,E., Gachanja,J., Luyai,A.E., Mbwika,F., Muthiani,A.M., Ndegwa, D.M., Njahira, M., Nyanju, J.K., Onono, F.O., Osaso,J., Saya,R.M., Wildmann,C., Fraser, C.M., Maudlin., Gardner,M.J., Morzaria, S.P., Loosmore, S., Gilbert, S.C., Audonnet,J-C., Bruggen,P. van der., Nene,V., Tracha, E.L.N.(2006). Exploiting host immunity and parasite genomics to develop a robust sub unit vaccine against East Coast fever in cattle-mdash; Where are we? Rege, J.E.O. (ed); Nyamu, A.M. (ed); Sendalo,D. (ed). Tanzania Society for Animal Production, Dar es Salam; All Africa Society For animal Production, Nairobi (Kenya). The role of biotechnology in animal agriculture to address poverty in Africa: opportunities and challenges. Proceedings of the 4th all Africa conference on animal agriculture and the 31st annual meeting of the Tanzania Society for Animal Production. Pp. 187 – 191. Dar es Salam (Tanzania).

 

Anigboro, A. A. and Tonukari, N. J. (2008). Effect of crude oil on invertase and amylase activities in cassava leaf extract and germinating cowpea seedlings. Asian Journal of Biological Science, 1(1): 56-60. http://scialert.net/qredirect.php?doi=ajbs.2008.56.60&linkid=pdf

 

Tonukari, N. J. and Kangethe, R.T. (2009). Isolation of Theileria parva ring-infected erythrocyte surface antigen (RESA) homolog. Journal of Cell and Animal Biology, 3(10): 179-182. ISSN: 1996-0867. http://www.academicjournals.org/jcab/PDF/Pdf2009/Oct/Tonukari%20and%20%20Kangethe.pdf

 

Tonukari, N. J. (2009). Acid phosphatase activity and pH of cassava farms in different location of Delta State, Nigeria. Nigerian Journal of Science and Environment, 8:52-55.

 

Tonukari, N. J. and Kangethe, R.T. (2009). Cloning and expression of Theileria parva T-complex 1 protein zeta subunit ortholog. Journal of Cell and Animal Biology, 3(10):  183-187. ISSN: 1996-0867. http://www.academicjournals.org/jcab/PDF/Pdf2009/Oct/Tonukari%20and%20%20Kangethe%201.pdf

 

Tonukari, N. J. and Osumah, L.I. (2010). Application of acid-hydrolyzed cassava (Manihot esculenta) and cowpea (Vigna unguiculata) for the production of yeast (Saccharomyces cerevisiae). African Journal of Biochemistry Research, 4(4): 88-94. http://www.academicjournals.org/AJBR/PDF/pdf2010/Apr/Tonukari%20and%20Osumah.pdf

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Ighosotu, S. and Tonukari, N. J. (2010). The influence of dietary intake on the serum lipid profile, body mass index and risk of cardiovascular diseases in adults on the Niger Delta region. International Journal of Nutrition and Metabolism, 2(3): 40-44. http://www.academicjournals.org/ijnam/PDF/pdf%202010/Mar%202010/S.Ighosotu%20&%20N.J.%20Tonukari.pdf

 

Osumah, L.I.  and Tonukari, N. J.  (2010). Production of yeast using acid-hydrolyzed cassava and poultry manure extract. African Journal of Biochemistry Research, 4(5): 119-125. http://www.academicjournals.org/AJBR/PDF/pdf2010/May/Osumah%20and%20Tonukari.pdf

 

Tonukari, N. J. (2010). Theileria parva genome and CTL candidate vaccine antigens: An overview. International Journal of Genetics and Molecular Biology, 2(5): 72-77. http://www.academicjournals.org/ijgmb/PDF/pdf2010/May/Tonukari.pdf

 

Tonukari, N. J. (2010). Theileria parva apical membrane antigen-1 (AMA-1) shares conserved sequences with apicomplexan homologs. International Journal of Biotechnology and Molecular Biology Research, 1(3): 36-41. http://www.academicjournals.org/ijbmbr/PDF/pdf2010/June/TONUKARI%20.pdf

 

Jeroh E., Tonukari N.J. and Anigboro A. (2011). Glucose level and amylase activity in crude oil contaminated soil bioremediated with poultry manure and sawdust. Asian Journal of Biological Science, 2011. http://docsdrive.com/pdfs/knowledgia/ajbs/0000/23299-23299.pdf

 

Jeroh E. and Tonukari N.J. (2011).The pH level and alkaline phosphatase activity in crude oil contaminated soil bioremediated with poultry manure and sawdust. Proceedings of the Delta State University Faculty of Science Maiden Conference, 2011: 339 - 343.

 

N. J. Tonukari, O. J. Avwioroko, G. Seitonkumoh, C. C. Enuma, S. O. Sakpa, L. Eraga, T. Ezedom, Ufuoma Edema, E. Odiyoma, and A. A. Anigboro (2013). Nutritional compositions and antioxidant properties of typical Urhobo Nigerian soups. Nigerian Journal of Technological Research, 8(2): 1-9. http://www.ajol.info/index.php/njtr/article/view/96699  

 

S. Ighosotu and N. J. Tonukari (2013). The effects of Cassia alata L.aqueous leaf extract on the germination of Corchorus olitorius. Journal of Agricultural Biotechnology and Sustainable Development, 5(1):1-5.

 

O. J. Avwioroko and N. J. Tonukari (2014). Isolation and molecular identification of Aspergillus species associated with the spoilage of cassava in Nigeria. Nigerian Journal of Science and Environment, 13(1): 55 – 68.

 

N. J. Tonukari, O. J. Avwioroko, T. Ezedom, U. Edema, L. Eraga and A. A. Anigboro (2014). Growth of Raphia farinifera and Elaeis guineensis Wine Yeast on Cassava (Manihot esculenta) and Poultry Manure Media. Nigerian Society for Experimental Biology Journal, 14(3): 118 - 123.

 

O. C. Orororo, N. J. Tonukari, O. J. Avwioroko and T. Ezedom (2014). Effect of Supplementation of Animal Feed with Dried Cassava (Manihot esculenta) Peels, and Stems of Vernonia amygdalina and Pennisetum purpereum on Some Biochemical Parameters in Pigs. Nigerian Society for Experimental Biology Journal, 14(4): 177 - 183.

 

Anigboro A.A., Onakurhefe P., Tonukari N.J., Avwioroko O.J. and Egbeme E. (2014). Quantitative determination of some phytochemicals (phenol, flavonoid, saponin and alkaloid) in twenty-two Nigerian medicinal plants. Nigerian Journal of Science and Environment, 13(1): 86 - 93.

 

O. J. Avwioroko, N. J. Tonukari, and S. O. Asagba (2015). Biochemical characterization of crude α-amylase of Aspergillus spp. associated with the spoilage of cassava (Manihot esculenta) tubers and processed products in Nigeria. Advances in Biochemistry, 3(1): 15-23. http://article.sciencepublishinggroup.com/pdf/10.11648.j.ab.20150301.14.pdf

 

N. J. Tonukari, O. J. Avwioroko, T. Ezedom, and A. A. Anigboro (2015). Effect of preservation on two different varieties of Vernonia amygdalina Del. (bitter) leaves. Food and Nutrition Sciences, 6: 633-642. http://www.scirp.org/Journal/PaperInformation.aspx?PaperID=56248

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N. J. Tonukari, T. Ezedom, C.C. Enuma, S. O. Sakpa, O. J. Avwioroko, L. Eraga, and E. Odiyoma (2015). White Gold: Cassava as an Industrial Base. American Journal of Plant Sciences, 6: 972-979. http://www.scirp.org/journal/PaperInformation.aspx?PaperID=55817

 

N. J. Tonukari, O. J. Avwioroko, and A. A. Anigboro (2015). Effect of preservation on the chlorophyll content, phytochemicals, and antioxidant capacity of two different varieties of pumpkin (Telfairia occidentalis) leaves. Nigerian Journal of Technological Research, 10 (1):9-16. http://www.ajol.info/index.php/njtr/article/view/115672

 

Avwioroko, O.J., Anigboro, A.A. and Tonukari, N.J., 2016. Biotechnological application of cassava-degrading fungal (CDF) amylase in broiler feed formulation. Br. Biotechnol. J, 10(1):1-12. https://www.researchgate.net/publication/282482959_Biotechnological_Application_of_Cassava-Degrading_Fungal_CDF_Amylase_in_Broiler_Feed_Formulation

 

 

Tonukari, N.J., Oliseneku, E.E., Avwioroko, O.J., Aganbi, E., Orororo, O.C. and Anigboro, A.A., 2016. A novel pig feed formulation containing Aspergillus niger CSA35 pretreated-cassava peels and its effect on growth and selected biochemical parameters of pigs. African Journal of Biotechnology, 15(19):776-785. https://academicjournals.org/journal/AJB/article-abstract/79AE80E58423.

 

Orororo, O. C., Tonukari, N. J., Avwioroko, O. J., & Ezedom, T. (2017). Effect of Supplementation of Animal Feed with Dried Cassava (Manihot esculenta) Peels, and Stems of Vernonia amydalina and Pennisetum purpereum on Some Biochemical Parameters in Pigs. NISEB Journal, 14(4). http://ojs.klobexjournals.com/index.php/nisebj/article/view/77

 

Aganbi, E., Onyeukwu, B. O., Avwioroko, J. O., & Tonukari, J. N. (2017). Effect of fermentation on sensory, nutritional and antioxidant properties of mixtures of aqueous extracts of Hibiscus sabdariffa (Zobo) and Raphia hookeri (Raffia) wine. Nig. J. Sci. Environ, 15(1), 66-74. https://www.researchgate.net/publication/321833796_Effect_of_fermentation_on_sensory_nutritional_and_antioxidant_properties_of_mixtures_of_aqueous_extracts_of_Hibiscus_sabdariffa_zobo_and_Raphia_hookeri_raffia_wine

 

Anigboro, A. A., Avwioroko, O. J., & Tonukari, N. J. (2018). Brillantasia patula aqueous Leaf Extract Averts Hyperglycermia, Lipid Peroxidation, and Alterations in Hematological Parameters in Alloxan-Induced Diabetic Rats. International Journal of Biomedical Science and Engineering, 6(2), 43. http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=259&doi=10.11648/j.ijbse.20180602.14

 

Apiamu, A., Asagba, S. O., & Tonukari, N. J. (2018). Reporting the toxicological profile of methanolic leaf extract of Anthocleista vogelii Planch on Wistar rats. Journal of Applied Sciences and Environmental Management, 22(6), 887-894. https://www.researchgate.net/publication/326370059_Reporting_the_Toxicological_Profile_of_Methanolic_Leaf_Extract_of_Anthocleista_vogelii_Planch_on_Wistar_Rats

 

Orororo, O. C., Asagba, S. O., Tonukari, N. J., Okandeji, O. J., & Mbanugo, J. J. (2018). Effects of Hibiscus Sabdarrifa L. anthocyanins on cadmium-induced oxidative stress in Wistar rats. Journal of Applied Sciences and Environmental Management, 22(4), 465-470. https://www.researchgate.net/publication/325067276_Effects_of_Hibiscus_Sabdarrifa_L_anthocyanins_on_cadmium-induced_oxidative_stress_in_Wistar_rats

 

Avwioroko, O. J., Anigboro, A. A., Unachukwu, N. N., & Tonukari, N. J. (2018). Isolation, identification and in silico analysis of alpha-amylase gene of Aspergillus niger strain CSA35 obtained from cassava undergoing spoilage. Biochemistry and biophysics reports, 14, 35-42. https://www.ncbi.nlm.nih.gov/pubmed/29872732

 

Orororo, O. C., Asagba, S. O., Tonukari, N. J., Okandeji, O. J., & Mbanugo, J. J. (2018). Hibiscus Sabdarrifa L. Anthocyanins-Induced Changes in Reproductive Hormones of Cadmium-Exposed Rats. International Journal of Scientific and Research Publications, 8 (4): 308 - 311. https://www.researchgate.net/publication/324590784_Hibiscus_Sabdarrifa_L_Anthocyanins-Induced_Changes_in_Reproductive_Hormones_of_Cadmium-Exposed_Rats

 

Orororo, O. C., Asagba, S. O., Tonukari, N. J., Okandeji, O. J., & Mbanugo, J. J. (2018). Comparative Assessment of the Antioxidant Properties of  Hibiscus sabdarrifa L Anthocyanins and its Aqueous Extract in Cadmium exposed Rats. Research Journal of Pharmaceutical, Biological and Chemical Sciences. 9(3): 836 - 843. https://www.researchgate.net/publication/326107170_Comparative_Assessment_of_the_Antioxidant_Properties_of_Hibiscus_sabdarrifa_L_Anthocyanins_and_its_Aqueous_Extract_in_Cadmium-exposed_Rats

 

Orororo, O. C., Asagba, S. O., Tonukari, N. J., Okandeji, O. J., & Mbanugo, J. J. (2018). Cadmium-Induced Testicular Damage in Wistar Rats: Protective Effects of Hibiscus sabdariffa L. Anthocyanins. International Journal of Biochemistry Research & Review, 1-8. https://www.researchgate.net/publication/325382983_Cadmium-Induced_Testicular_Damage_in_Wistar_Rats_Protective_Effects_of_Hibiscus_sabdariffa_L_Anthocyanins

 

Apiamu, A., Asagba, S. O., & Tonukari, N. J. (2019). Role of Anthocleista vogelii in serum antioxidant defence system in cadmium-induced oxidative stress in Wistar rats. Beni-Suef University Journal of Basic and Applied Sciences, 8(1), 12. https://link.springer.com/article/10.1186/s43088-019-0012-1

 

Avwioroko, O. J., Anigboro, A. A., Ejoh, A. S., Atanu, F. O., Okeke, M. A., & Tonukari, N. J. (2019). Characterization of α-amylases isolated from Cyperus esculentus seeds (tigernut): Biochemical features, kinetics and thermal inactivation thermodynamics. Biocatalysis and Agricultural Biotechnology, 21, 101298. https://www.sciencedirect.com/science/article/abs/pii/S1878818119307066

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Book chapters

 

Scott-Craig, J.S., Apel-Birkhold, P.C., Gorlach, J.M., Nikolskaya A., Pitkin,J.W., Ransom, R.F, Sposato, P., Ahn, J.H., Tonukari, N.J., Wegener, S and Walton J.D. (1998). Cell wall degrading enzymes in HST- Producing fungal pathogens. In: Molecular genetics of host-specific toxins in plant disease. Kohmoto K and Yonder O.C (Eds), Kluwer Academic Publishers. The Netherlands, pp. 245 – 252

 

Walton, J.D., Scott-Craig, J.S., Cheng, Y.Q., Tonukari, N.J., and Pedley, K. (2000). Fungal virulence factors: some things are and some aren’t. In: Biology of plant-microbe Interactions, Vol. 2. IJGM. Dewit, T. Bisseling, WJ. Stiekemaeds, Int. Soc. Mol. Plant-Microbe Interact., St. Paul, MN, pp.175 – 179.

 

Acquaah G, Ude G, Matand K, and Tonukari, N.J. (2006). Agricultural Biotechnology and Developing Countries: Prospects, Challenges, and Impact.’ Floriculture, Ornamental and Plant Biotechnology: Advances and Tropical Issues.’’ Edited by Jaime A Teixera da Silva. Global Science books, Ltd. London, pp. 314 – 327.

 

Walton, J.D, Ohtani, K., Baidyaroy, D., Tonukari, N.J., Pedley, K.F, Scott-Craig, J.S. (2006). General and specific virulence factors in fungal pathogens. In F Sanchez, ed, Biology of Plant-Microbe Interactions, Vol. 5 APS Press, St. Paul, Minnesota, pp 586 – 596.

 

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Conferences

 

Tonukari, N.J. and G. Thottappilly, 1995. Sustainable development and biotechnology in sub-Saharan Africa. Nigeria Geographical Society Annual Meeting University of Benin Benin-City, Nigeria, July 1995.

Tonukari, N.J., Scott-Craig, J.S. and Walton, J.D. (1998). Expression of Cochliobolus carbonum Xylanase Genes in culture. 36th Annual Congress of the Southern African Society for Plant Pathology, 25-28 January 1998, Champagne Sports Resort, South Africa.

 

Tonukari, N.J., Scott-Craig, J.S. and Walton, J.D. (1999). SNF1 and carbon utilizationin Cochliobolus carbonum. The 20th Fungal Genetics Conference at Asilomar, Pacific Grove California March 23-28 http://www.fgsc.net/asilo99/posterabs1.htm

 

Tonukari, NJ., Scott-Craig, J.S. and Walton, J.D. (1999). Cochliobolus carbonum Snf1 mutant has reduced virulence. Plant Research Laboratory retreat held at Kellogs Station, MI, USA.

 

Tonukari, N.J., R. Pelle, Y. Honda, S. P. Graham, D.M.M. Mwangi, M. Yamage, J. Nene, M.J. Gardner, P. van der Bruggen and E. Taracha (2003). Theileria parva vaccine candidate antigens identification: High-throughput genomic approaches. "New Horizons in Molecular Sciences and Systems: An Integrated Approach." Okinawa International Symposium, Okinawa, Japan, October 16 to 18, 2003.

 

Tonukari, NJ (2003). Research communications in the 21st century. Proceedings of the 9th Symposium of the Biochemical Society of Kenya, Nairobi, Kenya August 14 - 15.

 

Tonukari, NJ (2003). Putative motifs in the 5' region of T. parva T-cell antigens. Systems Biology: Genomic Approaches to Transcriptional Regulation Cold Spring Harbor Laboratory New York, USA March 6 - 10 http/meetings.cshl.org/2003systems_Absstat.htm.

 

Tonukari, N.J. (2004). Application of computers in biochemical education.; Nigerian Society of Biochemistry and Molecular Biology (NSBMB) South East Zone Symposium (FUTO 2004) Federal University of Technology, Owerri, Nigeria 2nd September, 2004.

 

N. J. Tonukari (2004). Incorporating bioinformatics into the biochemistry curriculum. 24th Annual Conference of the Nigerian Society of Biochemistry and Molecular Biology, University of Calabar 24th – 27th Nov. 2004.

N. J. Tonukari, R. T. Kangethe, E. Taracha, R. Pelle, and W. D. Bulimo (2008). Theileria parva T Complex Protein-1 zeta subunit homolog is a candidate T-helper cell target antigen. Nigerian Society of Biochemistry and Molecular Biology, 20th Annual Conference, Usman Danfodio University , Sokoto. 18 - 21 September 2000.

 

N. J. Tonukari (2009). Biotechnology and computational resources at NCBI and related websites. Nigeria society of Biochemistry and molecular biology, 29th Annual Scientific conference, Federal University of Technology, Akure, Nigeria. 6th-9th December, 2009.

 

N. J. Tonukari and R. T. Kangethe (2010). Genome-wide analysis: Screening of Theileria parva apicomplexan antigen homologs for induction of MHC CD4+ and CD8+ T-cell responses. Investing in Science: Growth and Sustainable Development of Delta State. Delta State University, Faculty of Science Conference [FOS2010], February 2 - 3, 2010.

 

N. J. Tonukari, U. Uwerhiavwe, O. J. Avwioroko, T. Ehwerhemuepha and A. A. Anigboro (2010). Glucose content after acid hydrolysis of cassava, palm kernel, water hyacinth and guinea grass. Nigeria society of Biochemistry and molecular biology (NSBMB), 30th Annual Scientific conference, Kebbi State University of Science and Technology, Aliero, Nigeria, October 24-27th, 2010.

 

N. J. Tonukari (2010). Genome-wide analysis: Theileria parva proteases. Investing in Science: Growth and Sustainable Development of Delta State. Delta State University, Faculty of Science Conference [FOS2010], February 2 - 3, 2010.

 

N. J. Tonukari, O. J. Avwioroko, C. C. Enuma, S. O. Sakpa, L. Eraga, T. Ezedom, U. Edema, E. Odiyoma and A.A. Anigboro (2012). Antioxidant properties of some typical Urhobo soups. A paper presented at the African Research institute/Delta State University Abraka 1st regional conference on ‘Impact of Crude Oil Exploration in the Niger-Delta’ held in December 5th- 7th, 2012. (Registered Participant). 

 

E. Ekuogbe, N. J. Tonukari, A.A. Anigboro and O. J. Avwioroko (2012). α-Amylase activities of oil palm and raphia wine yeasts across five States in Nigeria. A paper presented at the Delta State University, Abraka, Faculty of Science Conference (DELSUFOS2012) held in April 30th - May 3rd, 2012.

 

Avwioroko, O. J. and Tonukari, N. J. (2012).  Biochemical characterization of α-amylases isolated from fungi growing on cassava (Manihot esculenta Crantz) tubers/cassava product. A paper presented at the Delta State University, Abraka, Faculty of Science Conference (DELSUFOS2012) held in April 30th - May 3rd, 2012.

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© 2020 by Nyerhovwo John Tonukari 

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