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Hire Dr. Rajesh S.

India

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Scientific Editor & Reviewer | PhD in Medical Microbiology | 8+ Yrs Assistant Professor

Profile Summary

I am a Health Sciences professional with a PhD in Medical Microbiology and a Postdoctoral qualification from the University of Cape Town, South Africa. I served as an assistant Professor, academic and scientist in Medical Microbiology from 23 Nov 2017 to 31 July 2025 in Hararmaya University,Ethiopia as an Expatriate employee. My expertise includes Medical Microbiology, Immunology, and Molecular Microbiology, with primary research interests in tuberculosis, infection and immunity, antimicrobial resistance, host-pathogen interaction, nosocomial and maternal infections, non-communicable diseases, and cancer biology. I am actively seeking academic and research opportunities that allow me to contribute to advancing biomedical research and training in Medical Microbiology , infectious diseases and related health sciences.

Subject Matter Expertise

• ★ Microbiology
• ★ Clinical Microbiology
• ★ Clinical Immunology
• ☆ Molecular Biology
• ☆ Omics
• ☆ Proteomics
• ☆ Pathogenesis
• ☆ Drug Discovery
• ☆ Drug Target Identification
• ☆ Microbiology Testing
• ☆ Allergy & Clinical Immunology
• ☆ Pulmonology/Respiratory Disease
• ☆ Pulmonology/Respiratory Disease
• ☆ Tuberculosis

Services

• Writing
• Research
• Consulting
• Data & AI
• Product Development

Writing Non-Medical Regulatory Writing, Technical Writing, Copywriting

Research User Research, Gap Analysis

Consulting Healthcare Consulting

Data & AI Statistical Analysis

Product Development Manufacturing

Work Experience

Assistant professor in Medical Microbiology

Haramaya University

October 2017 - July 2025

Education

Post Doctoral Fellow (Senior Microbiologist) (Dept. Integrated Bio-Medical Sciences)

University of Cape Town

August 2016 - December 2016

PhD in Medical Microbiology (Medical Microbiology )

University of Cape Town

September 2007 - June 2013

Certifications

• American Society of Microbiology

  ASM

  https://myasm.asm.org/eweb/DynamicPage.aspx?webcode=FullIndInfo

  January 2021 - December 2026

Publications

JOURNAL ARTICLE

Fuad Abdi Mohammed, Rajesh Sarkar, Firayad Ayele, Kedir Urgesa (2025). Nasopharyngeal carriage of Streptococcus pneumoniae, its associated factors, and antimicrobial susceptibility patterns among school children in Babile district, eastern Ethiopia . PLOS One.

Abebe Dawud, Tadesse Shume, Rajesh Sarkar, Mandie Maru, Olifan Getachew Wakjira, Ajay Kumar Prajapati, Dadi Marami, Tewodros Tesfa (2025). Magnitude of vancomycin-resistant Enterococci colonization and associated factors among people living with HIV . JAC-Antimicrobial Resistance.

Wondimagegn Wolde, habtamu mitiku, Rajesh Sarkar, Tadesse Shume (2023). Nasal Carriage Rate of Staphylococcus aureus, Its Associated Factors, and Antimicrobial Susceptibility Pattern Among Health Care Workers in Public Hospitals, Harar, Eastern Ethiopia . Infection and Drug Resistance.

Wondimagegn Wolde, Habtamu Mitiku, Rajesh Sarkar, Tadesse Shume (2023). Nasal Carriage Rate of Staphylococcus aureus, Its Associated Factors, and Antimicrobial Susceptibility Pattern Among Health Care Workers in Public Hospitals, Harar, Eastern Ethiopia . Infection and Drug Resistance.

Priyanka Ganapathy, Vidya Devanatha Desikan Sheshadri, Rajesh Sarkar, Sumathi Jones, Krishnamoorthy Gunasekaran, Teka Obsa Feyisa, Dhamodharan Umapathy, Saleem Basha (2023). Vascular Endothelial Growth Factor Single Nucleotide Polymorphism +405 G/C (rs2010963) is associated with Levels, Infection Severity, and Amputation among South Indian Diabetic Foot Ulcer Patients . Evidence-Based Complementary and Alternative Medicine.

Senthilkumar Balakrishnan, Senbagam Duraisamy, Murugan Kasi, Selvam Kandasamy, Rajesh Sarkar, Anbarasu Kumarasamy (2019). Syntheses, physicochemical characterization, antibacterial studies on potassium morpholine dithiocarbamate nickel (II), copper (II) metal complexes and their ligands . Heliyon.

R. Sarkar, C. Mdladla, L. Macingwana, R.-D. Pietersen, A.H. Ngwane, D.L. Tabb, P.D. van Helden, I. Wiid, B. Baker (2018). Proteomic analysis reveals that sulfamethoxazole induces oxidative stress in M. tuberculosis . Tuberculosis.

Rajesh Sarkar, Laura Lenders, Katalin A. Wilkinson, Robert J. Wilkinson, Mark P. Nicol (2012). Modern Lineages of Mycobacterium tuberculosis Exhibit Lineage-Specific Patterns of Growth and Cytokine Induction in Human Monocyte-Derived Macrophages . PLoS ONE.

BOOK CHAPTER

Host Biomarker-Based Diagnostics, IIP Series, Novel Diagnostic Methods in Clinical Microbiology, Rajesh Sarkar, Tadesse Shume, Tewodros Tesfa , IIP Series, Novel diagnostic method in clinical Microbiology, International iterative publishers, chapter 4 , https://www.doi.org/10.58532/nbennurNDMCSW4, E-ISBN:978-93-7020-764-6, IIP Series, 9 September 2025 .

AN OVERVIEW OF URINARY TRACT INFECTION Between 20 and 30 percent of women will encounter recurrent urinary tract infections at some point in their lives. The urinary tract is a common site of bacterial infection, particularly in women. Urinary tract infections are less common in men and typically happen beyond 50. Even though the majority of infections in men are acute and transient, they nevertheless greatly increase the population's morbidity. Serious long-term implications result from severe infections, including loss of kidney function. An exception is made for vaginitis, urethritis, and cystitis in females; nevertheless, the genitourinary system is a range, with signs often overlapping. Most often, a bacterial infection enters the bladder through the urethra. Next, the kidneys could become infected. Septicemia can sometimes result from urinary tract infection microbes entering the bloodstream. Epidemiological study indicates that urinary tract infections obtained in hospitals are typically associated with catheterization, as opposed to those acquired in the community. A major contributor to nosocomial infection, hospital-acquired urinary tract infections are less prevalent than urinary tract infections contracted in the community. In between 75 and 95 percent of cases with UTIs, Escherichia coli is the most common cause of ascending urinary tract infection. About 50% of cases of E. coli in hospitalized patients are caused by this bacteria. About 40% of urinary tract infections are caused by gram-negative bacteria such as Klebsiella, Proteus, Enterobacter, Pseudomonas, and Serratia, while the remainder of cocci are gram-positive and include E. faecalis, S. saprophyticus, and Staphylococcus aureus. The economic burden of these diseases could rise significantly due to high recurrence rates and rising antibiotic resistance in uropathogens. To control urinary tract infection new therapeutic and vaccine strategies are highly important. In light of this, the current discoveries in urogenital infections—including their etiology, epidemiology, pathogenesis, virulence factors, clinical manifestation, laboratory diagnosis, and treatment—will be covered in this chapter . Microbes of Medical Importance.

METHICILLIN RESISTANCE STAPHYLOCOCCUS AUREUS: A COMPENDIUM OF CURRENT DEVELOPMENT ON EPIDEMIOLOGY, TRANSMISSION, PREVALENCE, ASSOCIATED FACTORS, PATHOGENESIS, IDENTIFICATION OF PATTERNS OF ILLNESS IN HOSTS, NEW THERAPY, AND CONTROL STRATEGIES Abshir Farhan Abdullahi , Tadesse Shume, Dr. Rajesh Sarkar ,"METHICILLIN RESISTANCE STAPHYLOCOCCUS AUREUS: A COMPENDIUM OF CURRENT DEVELOPMENT ON EPIDEMIOLOGY, TRANSMISSION, PREVALENCE, ASSOCIATED FACTORS, PATHOGENESIS, IDENTIFICATION OF PATTERNS OF ILLNESS IN HOSTS, NEW THERAPY, AND CONTROL STRATEGIES", Microbes of Medical Importance,IIP Series, Volume 3, September, 2024, Page no.614-640, e-ISBN: 978-93-6252-020-3, DOI/Link: https://www.doi.org/10.58532/nbennurmmch27 . Microbes of Medical Importance.

BOOK

The Innate Immune Response to Mycobacterium Tuberculosis is Dependent on Strain Lineage and on Host population .