Prof. Iqbal Ahmad

Department of Agri. Microbiology Aligarh Muslim University, India
Professor for

Email: (preferred),


1994 Ph.D., Microbiology (Ag.), Aligarh Muslim University, India
1991 M.Phil, Microbiology (Ag.), Aligarh Muslim University, India
1988 M.S., Microbiology (Ag.), Aligarh Muslim University, India
1986 B.S., Botany, Aligarh Muslim University, India

Research Fields


Publications (selected)

  1. Qais FA, Husain FM, Khan RA, Ahmad I, Hassan I. Deciphering the interaction of plumbagin with human serum albumin: A combined biophysical and molecular modelling study. Journal of King Saud University-Science. 2020 Jul 17.
  2. Jafri H, Ahmad I. Thymus vulgaris essential oil and thymol inhibit biofilms and interact synergistically with antifungal drugs against drug resistant strains of Candida albicans and Candida tropicalis. Journal de mycologie medicale. 2020 Apr 1;30(1):100911.
  3. Qais FA, Shafiq A, Ahmad I, Husain FM, Khan RA, Hassan I. Green synthesis of silver nanoparticles using Carum copticum: Assessment of its quorum sensing and biofilm inhibitory potential against gram negative bacterial pathogens. Microbial Pathogenesis. 2020 Mar 26:104172.
  4. Abulreesh HH, Organji SR, Elbanna K, Osman GE, Almalki MH, Abdel-Malek AY, Ghyathuddin AA, Ahmad I. Diversity, virulence factors, and antifungal susceptibility patterns of pathogenic and opportunistic yeast species in rock pigeon (Columba livia) fecal droppings in Western Saudi Arabia. Polish Journal of Microbiology. 2019 Dec;68(4):493.
  5. Ansari FA, Ahmad I. Isolation, functional characterization and efficacy of biofilm-forming rhizobacteria under abiotic stress conditions. Antonie van Leeuwenhoek. 2019 Dec 1;112(12):1827-39.
  6. Ansari FA, Ahmad I, Pichtel J. Growth stimulation and alleviation of salinity stress to wheat by the biofilm forming Bacillus pumilus strain FAB10. Applied soil ecology. 2019 Nov 1;143:45-54.
  7. Maheshwari M, Althubiani AS, Abulreesh HH, Qais FA, Khan MS, Ahmad I. Bioactive extracts of Carum copticum L. enhances efficacy of ciprofloxacin against MDR enteric bacteria. Saudi journal of biological sciences. 2019 Nov 1;26(7):1848-55.
  8. Maheshwari M, Abul Qais F, Althubiani AS, Abulreesh HH, Ahmad I. Bioactive extracts of Carum copticum and thymol inhibit biofilm development by multidrug-resistant extended spectrum β-lactamase producing enteric bacteria. Biofouling. 2019 Oct 21;35(9):1026-39.
  9. Qais FA, Shafiq A, Khan HM, Husain FM, Khan RA, Alenazi B, Alsalme A, Ahmad I. Antibacterial effect of silver nanoparticles synthesized using Murraya koenigii (L.) against multidrug-resistant pathogens. Bioinorganic Chemistry and Applications. 2019 Jul 1;2019.
  10. Zehra S, Shavez Khan M, Ahmad I, Arjmand F. New tailored substituted benzothiazole Schiff base Cu (II)/Zn (II) antitumor drug entities: effect of substituents on DNA binding profile, antimicrobial and cytotoxic activity. Journal of Biomolecular Structure and Dynamics. 2019 May 3;37(7):1863-79.
  11. Ansari FA, Ahmad I. Fluorescent Pseudomonas-FAP2 and Bacillus licheniformis interact positively in biofilm mode enhancing plant growth and photosynthetic attributes. Scientific reports. 2019 Mar 14;9(1):1-2.
  12. Jafri H, Khan MS, Ahmad I. In vitro efficacy of eugenol in inhibiting single and mixed-biofilms of drug-resistant strains of Candida albicans and Streptococcus mutans. Phytomedicine. 2019 Feb 15;54:206-13.
  13. Al-Shabib NA, Husain FM, Khan RA, Khan MS, Alam MZ, Ansari FA, Laeeq S, Zubair M, Shahzad SA, Khan JM, Alsalme A. Interference of phosphane copper (I) complexes of β-carboline with quorum sensing regulated virulence functions and biofilm in foodborne pathogenic bacteria: a first report. Saudi Journal of Biological Sciences. 2019 Feb 1;26(2):308-16.
  14. Ahmad F, Ahmad I, Altaf M, Khan M, Shouche YS. Characterization of Paenibacillus durus (PNF16) a new isolate and its synergistic interaction with other isolated rhizobacteria in promoting growth and yield of chickpea. Journal of Microbiology, Biotechnology and Food Sciences. 2019 Jan 12;2019:345-50.
  15. Abdalrahim S, Zohri AN, Khider M, El-Dean AM, Abulreesh HH, Ahmad I, Elbanna K. Phenotypic and Genotypic Characterization of Exopolysaccharide Producing Bacteria Isolated from Fermented Fruits, Vegetables and Dairy Products. J Pure Appl Microbiol. 2019;13(3):1349-62.
  16. Qais FA, Ahmad I. Mechanism of non-enzymatic antiglycation action by coumarin: a biophysical study. New Journal of Chemistry. 2019;43(32):12823-35.
  17. Osman GE, Abulreesh HH, Elbanna K, Shaaban MR. Samreen, Recent Progress in Metal-Microbe Interactions: Prospects in Bioremediation. J Pure Appl Microbiol. 2019;13(1):13-26.
  18. Qais FA, Khan MS, Ahmad I. Broad-spectrum quorum sensing and biofilm inhibition by green tea against gram-negative pathogenic bacteria: Deciphering the role of phytocompounds through molecular modelling. Microbial pathogenesis. 2019 Jan 1;126:379-92.
  19. Abdullah KM, Qais FA, Ahmad I, Hasan H, Naseem I. Study of pyridoxamine against glycation and reactive oxygen species production in human serum albumin as model protein: An in vitro & ex vivo approach. International journal of biological macromolecules. 2018 Dec 1;120:1734-43.
  20. NA Al-Shabib, FM Husain, Iqbal  Ahmad, MH Baig (2017) Eugenol inhibits quorum sensing and biofilm of toxigenic MRSA strains isolated from food handlers employed in Saudi Arabia. Biotechnology & Biotechnological Equipment, 1-10.
  21. Fohad Mabood, Iqbal Ahmad, Abdulatif Al-Shabib, Riyazuddin, Shahnawaz Mohd, Khan, Yahya Ahmed Mohammed, Abdullah Safar Althubiani: (2016) Quorum Sensing and Biofilm Inhibition by Lactonase Producing Bacillus amyloliquefaciens SBF1 Strain Isolated from Date Palm Rhizosphere of Saudi Arabia. Journal of Pure and Applied Microbiology 10/2016; 10(3):1745-1754.
  22. Hussein H Abulreesh, Sameer R Organji, Gamal EH Osman, Khaled Elbanna, Meshal HK Almalki, Iqbal Ahmad (2016) Prevalence of antibiotic resistance and virulence factors encoding genes in clinical Staphylococcus aureus isolates in Saudi Arabia. Clinical Epidemiology and Global Health 2016/9/9
  23. Sartaj Tabassum, Shipra Yadav, Iqbal Ahmad (2014). Heterobimetallic o-Vanillin finctionalized complexes: In vitro DNA binding validation, cleavage activity and molecular docking studies of CuII-Sn2IV analogs. Journal of Organometallic Chemistry 752: 17-24.
  24. Mohd Sajjad Ahmad Khan and Iqbal Ahmad (2011): Concentration dependent antifungal and anti-virulence activity of certain essential oils and phyto-compounds against the strains of Candida spp. Journal of Alternative and Complementary Medicine. (Publisher-Mary Ann Liebrt, Inc; Impact Factor 1.498).