Dr. Sibtain  Ahmed

Dr. Sibtain Ahmed

Post-doctoral Fellow
University of California, San Diego, USA


Highest Degree
Ph.D. in Biochemistry from University of Agriculture Faisalabad, Pakistan

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Biography

Dr. Sibtain Ahmed has performed Postdoctoral research work at University of California, San Diego, USA and University of New Mexico, Albuquerque, New Mexico, USA. He has completed his PhD in Biochemistry from University of Agriculture, Faisalabad, Pakistan. His area of expertise includes biopharmaceuticals, biologics, drug discovery, vaccines, fermentation and diagnostics. He has excellent technical and analytical skills in advanced microbiological and biochemical assays including method/assay development, optimization, validation and testing.

He has lead projects on natural product drug discovery, microbial enzyme characterization, microbial biomass protein and lysine production, bioethanol production and vaccines production. He is highly energetic, highly personable and goal-oriented with a passion for creating value from innovation. He possesses a proven track record for executing cross-functional projects where the biochemistry, molecular biology, analytical chemistry and manufacturing skills combination allows for broad contributions to an organization with respect to product development.

Area of Interest:

Microbiology
100%
Biochemistry
62%
Molecular Biology
90%
Natural Product
75%
Medicinal Chemistry
55%

Selected Publications

  1. Tabassam, Q., T. Mehmood, S. Ahmed, S. Saeed and A.R. Raza et al. 2021. Gc-Ms Metabolomics Profiling and Hr-Apci-Ms Characterization of Potential Anticancer Compounds and Antimicrobial Activities of Extracts from Picrorhiza Kurroa Roots. JAB 19: 26-39.
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  2. Tabassam, Q., S. Ahmed, T. Mehmood, M. Iqbal and S. Saeed et al. 2021. Phytochemical Investigation and Effective Therapeutic Potential of Plants Extracts against Breast and Ovarian Cancer Cell Lines: Compounds from Zizyphus mauritiana and Triticum aestivum. Cell Mol. Biol. (Noisy-le-grand) 10.14715/cmb/2021.67.1.22.
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  3. Arshad, U., S. Ahmed, N. Shafiq, Z. Ahmad and A. Hassan et al. 2021. Structure-Based Designing, Solvent Less Synthesis of 1,2,3,4-Tetrahydropyrimidine-5-Carboxylate Derivatives: A Combined In Vitro and In Silico Screening Approach. Mol. 10.3390/molecules26154424.
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  4. Wu, X., S. Ahmed, X. Cui, J. Hang, S. Wang, S. Liu and Y. Fang, 2020. Expression and characterization of a novel organic solvent tolerant protease from Bacillus sphaericus DS11. Prep. Biochem. Biotechnol., 51: 28-34.
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  5. Liu, S., S. Ahmed, C. Zhang, T. Liu, C. Shao and Y. Fang, 2020. Diversity and antimicrobial activity of culturable fungi associated with sea anemone Anthopleura xanthogrammica. Elect. J. Biotechnol., 44: 41-46.
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  6. Arif, R., S. Ahmed and G. Mustafa, 2020. In silico study to reveal annotation and significant interactions of human defensin with its isoforms and their phylogeny. Indian J. Pharm. Sci., 10.36468/pharmaceutical-sciences.669.
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  7. Liu, S., S. Ahmed and Y. Fang, 2019. Cloning, Expression and Characterization of a Novel α-Amylase from Salinispora arenicola CNP193. The Protein J., 38: 716-722.
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  8. Ahmed, S., G. Mustafa, M. Arshad, M.I. Rajoka, 2017. Fungal Biomass Protein Production from Trichoderma harzianum Using Rice Polishing. BioMed Res. Int., 2017: 1-9.
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  9. Mustafa, G., S. Ahmed, N. Ahmed and A. Jamil, 2016. Phytochemical and Antibacterial Activity of some unexplored medicinal plants of Cholistan desert. Pak. J. Bot., 48: 2057-2062.
  10. Arshad, M. and S. Ahmed, 2016. Cogeneration through bagasse: A renewable strategy to meet the future energy needs. Renewable Sustainable Energy Rev., 54: 732-737.
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  11. Zafar, M., S. Ahmed, M.I.M. Khan and A. Jamil, 2014. Recombinant expression and characterization of a novel endoglucanase from Bacillus subtilis in Escherichia coli. Mol. Biol. Rep., 41: 3295-3302.
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  12. Arshad, M., S. Ahmed, M.A. Zia and M.I. Rajoka, 2014. Kinetics and thermodynamics of ethanol production by a Saccharomyces cerevisiae MLD10 using molasses. Appl. Biochem. Biotechnol., 172: 2455-2464.
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  13. Ahmed, S. and A. Jamil, 2014. Bioactivity guided isolation of a novel protein from Moringa oleifera with antimicrobial activity. FASEB J., 28: 975-979.
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  14. Fang, Y., S. Ahmed, S. Liu, S. Wang, M. Lu and Y. Jiao, 2013. Optimization of antioxidant exopolysaccharidess production by Bacillus licheniformis in solid state fermentation. Carbohydr. Polym., 98: 1377-1382.
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  15. Ahmed, S., W. Byrd, S. Kumar and E.C. Boedeker, 2013. A directed intimin insertion mutant of a rabbit enteropathogenic Escherichia coli (REPEC) is attenuated, immunogenic and elicits serogroup specific protection. Vet. Immunol. Immunopathol., 152: 146-155.
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  16. Ahmed, S., M. Zafar and A. Jamil, 2013. Cloning and recombinant expression of an endoglucanse from Bacillus subtilis. Protein Sci., 22: 237-238.
  17. Ahmed, S., M. Afzal and M.I. Rajoka, 2013. Kinetic and thermodynamic characterization of lysine production process in Brevibacterium lactofermentum. Appl. Biochem. Biotechnol., 170: 81-90.
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  18. Rajoka, M.I., S. Ahmed, A.S. Hashmi and M. Athar, 2012. Production of microbial biomass protein from mixed substrates by sequential culture fermentation of Candida utilis and Brevibacterium lactofermentum. Ann. Microbiol., 62: 1173-1179.
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  19. Ghori, M.I., S. Ahmed, M.A. Malana and A. Jamil, 2012. Kinetics of exoglucanase and endoglucanase produced by Aspergillus niger NRRL 567. Afr. J. Biotechnol., 11: 7227-7231.
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  20. Ahmed, S., S.S. Imdad and A. Jamil, 2012. Comparative study for the kinetics of extracellular xylanases from Trichoderma harzianum and Chaetomium thermophilum. Electron. J. Biotechnol., 10.2225/vol15-issue3-fulltext-2.
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  21. Ghori, M.I., S. Ahmed, M.A. Malana and A. Jamil, 2011. Corn stover-enhanced cellulase production by Aspergillus niger NRRL 567. Afr. J. Biotechnol., 10: 5878-5886.
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  22. Ahmed, S., F. Ahmad and A.S. Hashmi, 2010. Production of microbial biomass protein by sequential culture fermentation of Arachniotus sp., and Candida utilis. Pak. J. Bot., 42: 1225-1234.
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  23. Wagner, I.D., S. Ahmed, W. Zhao, C.L. Zhang, C.S. Romanek, M. Rohde and J. Wiegel, 2009. Caldanaerovirga acetigignens gen. nov., sp. nov., an anaerobic xylanolytic, alkalithermophilic bacterium isolated from Trego Hot Spring, Nevada, USA. Int. J. Syst. Evol. Microbiol., 59: 2685-2691.
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  24. Athar, M., S. Ahmed and A.S. Hashmi, 2009. Bioconversion of beet pulp to microbial biomass protein by Candida utilis. J. Chem. Soc. Pak., 31: 115-121.
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  25. Ali, S., S. Ahmed, M.A. Sheikh, A.S. Hashmi and M.I. Rajoka et al., 2009. Lysine production by L-homoserine resistant mutant of Brevibacterium flavum. J. Chem. Soc. Pak., 31: 97-102.
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  26. Ahmed, S., S. Riaz and A. Jamil, 2009. Molecular cloning of fungal xylanases: An overview. Applied Microbiol. Biotechnol., 84: 19-35.
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  27. Ahmed, S., A. Bashir, H. Saleem, M. Saadia and A. Jamil, 2009. Production and purification of cellulose-degrading enzymes from a filamentous fungus Trichoderma harzianum. Pak. J. Bot., 41: 1411-1419.
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  28. Sattar, M., S. Ahmed, M.A. Sheikh and A.S. Hashmi, 2008. Fermentation of yeast sludge with Brevibacterium flavum to enhance lysine concentration. J. Chem. Soc. Pak., 30: 642-648.
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  29. Saleem, F., S. Ahmed and A. Jamil, 2008. Isolation of a xylan degrading gene from genomic dna library of a thermophilic fungus Chaetomium thermophile ATCC 28076. Pak. J. Bot., 40: 1225-1230.
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  30. Saadia, M., S. Ahmed and A. Jamil, 2008. Isolation and cloning of CRE1 gene from a filamentous fungus Trichoderma harzianum. Pak. J. Bot., 40: 421-426.
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  31. Irshad, M., S. Ahmed, F. Latif and M.I. Rajoka, 2008. Regulation of Endo- β-D- Xylanase and β- Xylosidase Synthesis in Humicola lanuginose. J. Chem. Soc. Pak., 30: 913-918.
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  32. Ahmed, S., A. Jabeen and A. Jamil, 2007. Xylanase from Trichoderma harzianum: Enzyme characterization and gene isolation. J. Chem. Soc. Pak., 29: 176-182.
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  33. Ahmed, S., A. Nighat, L. Farooq, M.I. Rajoka and J. Amar, 2005. Molecular cloning of cellulase genes from Trichoderma harzianum. Front. Natur. Prod. Chem., 1: 73-75.
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  34. Ahmed, S., Qurrat-ul-Ain, A. Nighat, N. Saima, Sajjad-ur-Rahman and J. Amer, 2003. Induction of xylanase and cellulase genes from Trichoderma harzianum with different carbon sources. Pak. J. Biol. Sci., 6: 1912-1916.
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