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R. D. Umar

Publications (8)

Phenotypic Characterization of Virulence Factors in Multidrug-Resistant Salmonella typhi Serovars Isolated from Clinical Specimens in Bauchi Metropolis

I. Titus, M. Y. Iliyasu, M. R. Sahal, R. D. Umar, M. M. Wali, S. Ismai’l, V. Agbo, A. F. Umar & E. B. Agbo · South Asian Journal of Research in Microbiology · 2023

Background: Typhoid fever is one of the most common infectious diseases in developing countries including Nigeria. Globally, typhoid fever is an important cause of morbidity and mortality in many regions of the world. People most at risk for serious complications due to Salmonell...

Open access Research Article 10.9734/sajrm/2023/v15i3287

Prevalence and Determinants of Hepatitis B Virus Antigenemia among Pregnant Women Attending Antenatal Clinics in Some Hospitals in Bauchi Metropolis

M. Y. Iliyasu, M. R. Sahal, T. Inusa, S. Ismail, R. D. Umar, H. Tahir, Z. M. Kabeer, H. S. Musa, N. A. Isah & U. A. Mikaeel · Journal of Advances in Microbiology · 2022

Background: Hepatitis B virus infection is a significant public health problem in the world and is more common among most vulnerable individuals such as pregnant women in developing countries. Design and Duration: This is a cross-sectional study involving pregnant women attending...

Open access Research Article 10.9734/jamb/2022/v22i12694

Sero-Prevalence of Syphilis among Pregnant Women Attending Antenatal Clinic in Dogon Agogo Primary Health Care Centre Jos North, Plateau State, Nigeria

M. Y. Iliyasu, T. Inusa, M. R. Sahal, S. Ismai’l, R. D. Umar, H. Tahir, Z. M. Kabeer, H. S. Musa & A. L. Amamma · International Journal of TROPICAL DISEASE & Health · 2022

Background: Syphilis remains a public health problem in many parts of the world, including Nigeria, where is common during pregnancy. Design and Duration: This is a cross-sectional study involving pregnant women attending antenatal clinic in Dogon Agogo Primary Health Centre, Jos...

Open access Research Article 10.9734/ijtdh/2022/v43i231372

Antimicrobial Potential of Syzygium aromaticium (CLOVE) Extracts on Multidrug-Resistant (MDR) Uropathogenic Bacteria Isolated from Clinical Specimens in Bauchi, Nigeria

A. Salisu, M. Y. Iliyasu, M. R. Sahal, I. Titus, S. Isma’il, R. D. Umar, H. Tahir, Z. M. Kabeer, A. H. Idris, H. S. Musa & E. B. Agbo · Journal of Advances in Medical and Pharmaceutical Sciences · 2022

Background:  Urinary Tract Infection (UTI) is a common pathogenic inflammatory, distressing, and occasionally life-threatening condition that affects people of all ages and gender, mostly propelled by the emergence of multidrug-resistant bacteria. Cloves are used as spices in foo...

Open access Research Article 10.9734/jamps/2022/v24i11588

Pectinase Production from Saccharomyces Cerevisiae Using Orange Peels and Maize Cobs as Substrate for Solid-State Fermentation

M. S. Haske, M. Y. Iliyasu, A. Abdulrahman, S. M. Sani, T. Inusa, S. Isma’il, R. D. Umar, Z. M. Kabeer, H. Tahir & E. B. Agbo · Journal of Applied Life Sciences International · 2023

Background of the Study: Degradation of wastes especially fruit waste is important because these wastes accumulate in the environment. The fruit wastes can be used to biosynthesize pectinase enzyme at a cheaper rate due its numerous industrial applications. The ability of Sacchar...

Open access Research Article 10.9734/jalsi/2023/v26i2601

Assessment of Microbial Load and Multidrug-Resistant Profile of Bacterial Flora from Cattle in Bauchi, Nigeria

M. Peter, M. Y. Iliyasu, M. M. Wali, M. R. Sahal, T. Inusa, S. Ismai’l, R. D. Umar, H. Tahir & Z. M. Kabeer · Biotechnology Journal International · 2022

Aim: The study aimed to assess the bacterial load of in rectal swabs from cattle by isolating Enterococcus spp and Escherichia coli, and determining the multidrug-resistant pattern of the isolates. Study Design: The study is a clinical-veterinary laboratory investigation involvin...

Open access Research Article 10.9734/bji/2022/v26i6666

Antibacterial Activity of Lawsonia inermis Leaf Extracts against Multidrug-resistant Pseudomonas aeruginosa from Infected Wounds

A. H. Idris, Z. Haruna, M. Y. Iliyasu, M. R. Sahal, T. Inusa, A. Salisu, S. Isma’il, R. D. Umar, Z. M. Kabeer, H. Tahir, H. S. Musa & A. F. Umar · European Journal of Medicinal Plants · 2023

Background: Wound infection comprises numerous different organisms that have the ability to surface colonization of wounds. Multidrug-resistant Pseudomonas aeruginosa is one of the pathogenic bacteria associated with wound infections. Aim: This study isolated and identified multi...

Open access Research Article 10.9734/ejmp/2023/v34i41130

Molecular Detection and Biochemical Profiling of Mycotoxigenic Fungi Isolated from Palm Oil Sold within Bauchi Metropolis, Nigeria

H. M. Ghazali, U. S. Haruna, A. Salisu, P. Moses, T. Inusa, M. M. Wali, S. Isma’il, V. Agbo, R. D. Umar, A. J. Na’Allah, A. Ahmad, B. I. Olawale, H. Tahir, Z. M. Kabeer & M. Y. Iliyasu · European Journal of Nutrition & Food Safety · 2026

Background: Palm oil is a major dietary staple in Nigeria, but its production, transportation, and sale under informal market conditions expose it to fungal contamination and potential mycotoxin accumulation. Mycotoxigenic fungi such as Fusarium, Aspergillus, and Penicillium have...

Open access Research Article 10.9734/ejnfs/2026/v18i62071