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Haydar Karakaya


PhD in Molecular Microbiology, Department of Biological Sciences, University of Warwick, 1996

Current position

Associate Professor in Molecular Microbiology, Department of Biology, University of Ondokuz Mayıs, Samsun, Turkey


  1. Ozkul, K. and Karakaya, H. (2015). Characterisation of an opcA Mutant of the Unicellular Cyanobacterium Synechocystis sp. PCC 6803. Curr Microbiol 71(5): 572-578.

  2. Aqso, A., Özkul, K. and Karakaya, H. (2014). An Investigation on the Bacterial Contents of Natural Springs in a Rural Area of the Middle Blacksea Region in Turkey. Applied Ecology and Environmental Sciences 2 (5), 123-129.
  3. Karakaya, H., Erdem, F., Ozkul, K. and Yilmaz, A. (2012). Analysis of Glucose-6-phosphate Dehydrogenase of the Cyanobacterium Synechococcus sp. PCC7942 in the zwf Mutant Escherichia coli DF214 cells. Annals of Microbiology 63: 1319–1325.
  4. Karakaya, H., Ay, M. T., Ozkul, K. and Mann, N. H. (2008). A Δzwf (glucose-6-phosphate dehydrogenase) mutant of the cyanobacteriumSynechocystis sp. PCC 6803 exhibits unimpaired dark viability. Annals of Microbiology 58(2): 281-286.
  5. Karakaya, H. and Mann, N. H. (2008). Mutagenesis of the tal gene-encoding transaldolase in the cyanobacterium, Anabaena sp. PCC7120.”, Turkish Journal of Biology 32, 135–141.
  6. Yilmaz, F., Yilmaz, V. T., Karakaya, H. and Buyukgungor, O. (2008). 5,5-diethylbarbiturate complexes of silver with 2,2'-bipyridine and 3-(2-pyridyl)propanol: syntheses, crystal structures, spectroscopic, thermal and antimicrobial activity studies. Z. Naturforsch. 63B, 134–138.
  7. Yilmaz, V. T., Yilmaz, F., Karakaya, H., Buyukgungor, O. and Harrison, W. T. A. (2006). Silver(I)-barbital based frameworks: Syntheses, crystal structures, spectroscopic, thermal and antimicrobial activity studies. Polyhedron 25, 2829–2840.
  8. Sundaram, S., Karakaya, H., Scanlan, D. J. and Mann, N. H. (1998). Multiple oligomeric forms of glucose–6-phosphate dehydrogenase in cyanobacteria and role of OpcA in the assembly process. Microbiology SGM 144, 1549–1556.
  9. Newman, J., Karakaya, H., Scanlan, D. J. and Mann, N. H. (1995). A comparison of gene organisation in the zwf region of the genomes of the cyanobacteria Synechococcus sp. PCC 7942 and Anabaena sp. PCC 7120. FEMS Microbiology Letters 133, 187–193.
Protocols by Haydar Karakaya
  1. Measurement of Glucose-6-phosphate Dehydrogenase Activity in Bacterial Cell-free Extracts