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I. A. Ekwealor

Publications (7)

The Influence of Agitation Rates, pH and Calcium Carbonate on L-lysine Production by Bacillus subtilis using Agricultural Products as Carbon and Nitrogen Sources

J. Okpalla & I. A. Ekwealor · Microbiology Research Journal International · 2022

L-Lysine is an essential amino acid that is required in the diet of humans and animals. It is utilized in human medicine, cosmetics and pharmaceutical industry. ’The influence of agitation rates, pH and calcium carbonate on L-lysine production by Bacillus subtilis using  agricult...

Open access Research Article 10.9734/mrji/2022/v32i111351

Utilization of Various Starch Hydrolysates and Defatted Proteins by Bacillus cereus for Microbial Synthesis of Methionine in Submerged Medium

C. C. Ezemba & I. A. Ekwealor · Microbiology Research Journal International · 2021

Three of the methionine-producing bacteria previously isolated from different soil ecovars in Owerri, characterized as Bacillus cereus no: DS13, RS16 and AS9, based on 16s rRNA sequencing, were screened for utilization agricultural products for production of methionine. Experimen...

Open access Research Article 10.9734/mrji/2021/v31i1030348

Antibiotic Resistance Patterns of Escherichia coli Detected in Pig Faecal Samples from Anambra State

E. A. Kyrian-Ogbonna, I. A. Ekwealor, E. N. Eze, R. A. Eluba, E. C. Nworji, E. C. Ogah & A. A. Oladejo · Microbiology Research Journal International · 2021

Aim: Pig farmers use antibiotics for therapeutic, metaphylaxis, prophylaxis and growth promotion in their farm animals. This work was aimed to determine the antibiogram of Escherichia coli isolated from pig faecal samples from pig farms in the three senatorial zones of Anambra St...

Open access Research Article 10.9734/mrji/2021/v31i530320

Microbacterium lacticum; a Lysine Producing Bacterium Isolated from Oil-contaminated Soil in South-East Nigeria

C. C. Ezemba, C. C. Ekwealor, I. A. Ekwealor, C. A. Ozokpo, C. E. Chukwujekwu, V. N. Anakwenze, E. J. Archibong & G. C. Anaukwu · Microbiology Research Journal International · 2015

Aims: To screen for lysine production using hydrocarbon utilizing bacteria isolated from oil-contaminated soil. Study Design: Study of the isolation and fermentation process in shake flask culture. Place and Duration of Study: Department of Applied Microbiology and Brewing, Nnamd...

Open access Research Article 10.9734/BMRJ/2015/15168

Optimization of Nutritional Parameters for the Production of L-Methionine from Newly Isolated Bacillus cereus Strain

K. S. Dike, C. E. Obiukwu & I. A. Ekwealor · Microbiology Research Journal International · 2014

Aims: This study evaluated nutritional parameters for optimum methionine production Study Design: Methionine was assayed using the colorimetric method of Greenstein and Wintz (1961). Place and Duration of Study: Department of Applied Microbiology and Brewing, Nnamdi Azikiwe Unive...

Open access Research Article 10.9734/BMRJ/2014/2444

Improved Cultural Conditions for Methionine Accumulation in Submerged Cultivation of Bacillus cereus S8

V. N. Anakwenze, C. C. Ezemba & I. A. Ekwealor · Microbiology Research Journal International · 2014

Aims: To improve the cultural conditions for enhanced methionine production by Bacillus cereus S8 Study design: Study of the fermentation process in shake flask culture. Place and Duration of Study: Department of Applied Microbiology and Brewing, Nnamdi Azikwe University, Awka, N...

Open access Research Article 10.9734/BMRJ/2014/8224

A New Approach to Screening for Methionine-Producing Bacteria

U. S. Ozulu, O. U. Nwanah, C. C. Ekwealor, S. K. Dike, C. L. Nwikpo & I. A. Ekwealor · Microbiology Research Journal International · 2012

Aim: To find a method of screening for active Methionine-producing organisms. Study Design: Examination of cross-section of soil. Place and Duration of Study: Department of Applied Microbiology and Brewing, Nnamdi Azikiwe University, Awka, Nigeria between April 2010 and August 20...

Open access Research Article 10.9734/BMRJ/2012/989