Assist. prof. Dr. Hastyar Hama Rashid Najmuldeen

Welcome to my Academic Profile page.

My name is Dr. Hastyar Hama Rashid Najmuldeen

I am assistant professor, holding (PhD) degree in Microbial physiology, Academic staff at Biology department/ College of Science/ University of Sulaimani / Kurdistan Region / Iraq


  1. Host Stress Signals Stimulate Pneumococcal Transition from Colonization to Dissemination into the Lungs. mBio. 2021, 12 (6):

  2. Assessment of Chlorine Resistance Enterobacter cloacae Isolated from Water Storage Tanks in Sulaimaniyah City-Iraq. Passer 3 (2021) 87-94.

  3. Functional assessment of microbial superoxide dismutase isozymes suggests a differential role for each isozyme. Free Radical Biology and Medicine. 2019, (134).

  4. Streptococcus pneumoniae Cell Wall-Localized Trigger Factor Elicits a Protective Immune Response and Contributes to Bacterial Adhesion to the Host. Scientific Reports. 2019, 9:4295

  5. Flavin Reductase Contributes to Pneumococcal Virulence by Protecting from Oxidative Stress and Mediating Adhesion and Elicits Protection Against Pneumococcal Challenge. Scientific Reports. 2018, 8(1): 314

  6. Antibiotic susceptibility of vancomyin and nitrofurantoin in Staphylococcus aureus isolated from burnt patients in Sulaimaniyah, Iraqi Kurdistan. New Microbiol. 2012, 35(4):439-46.

  7. A Microbiological Study for Evaluating Olive Leaf Extract as a New Topical Management for Oral Mucositis Following Chemotherapy. Bulletin UASVM, Veterinary Medicine. 2011, 68(1):391.

  8. Effects of Soil Organic Matter,Total Nitrogen and Texture on Nitrogen Mineralization Process. 2011, Al-Nahrain University Journal For Science. 4(12)

  9. Effects of Soil Texture on Chemical Compositions, Microbial Populations and Mineralization of Carbon in Soil. 2010, Egypt. J. Exp. Biol. (Bot.). 6(1): 59 – 64.

  10. Antimicrobial Activity of Propolis Collected in Different Regions of Sulaimani Province-Kurdistan region/Iraq. 2009, J. Duhok Univ. 12(1): 233-239.

I teach a single topic at biology department:

Biostatistics and Experimental Design

My research interests focus on:

1. Microbial response to oxidative stress.

2. Isolation of Antibiotic and chlorine resistant bacterial isolates.