Articles

2019
  • Erlandson, M., Toprak, U., Hegedus, D.D. 2019.  Role of the peritrophic matrix in insect-pathogen interactions. Journal of Insect Physiology, 117:103894
  • Hegedus, D.D., Toprak, U., Erlandson, M. 2019. Peritrophic Matrix Formation. Journal of Insect Physiology, 117:103898.
  • Toprak, U., İnak, E., Özdemir, E. 2019. Use of molecular techniques in the studies of insecticide resistance. Proceedings of The Symposium for Phosphine Resistance in Stored Grain Pests.
  • Toprak, U. 2019. Turkish Academy of Sciences, Scientific terms dictionary, Entomology Core Section. Ed. by Sankur, B., Ankara, Turkey.
2018
  • Kaydan, M.B., Toprak, U. 2018. Molecular insights into plant protection. TarlaSera 98:76-78.
2016
  • Toprak, U.,  Erlandson, M., Baldwin, D., Karcz, S., Wan, L., Coutu, C., Gillott, C.,  Hegedus, D.D. 2016. Identification of the Mamestra configurata (Lepidoptera: Noctuidae) peritrophic matrix proteins and enzymes involved in peritrophic matrix chitin metabolism. Insect Science, 23:656-674.
  • Hegedus, D.D., Toprak, U., and Erlandson, M. 2016. Lepidopteran peritrophic matrix composition, function, and formation. In “Short Views on Insect Genomics and Proteomics”, Vol 2, pp 63-87, Eds: Raman, C., Goldsmith, M.R., Agunbiade, T.A., Springer, Switzerland, ISBN: 978-3-319-24244-6.
2014
  • Toprak, U., Hegedus, D.D., Baldwin, D., Coutu, C., Erlandson, M. 2014. Spatial and temporal synthesis of Mamestra configurata peritrophic matrix through a larval stadium. Insect Biochemistry and Molecular Biology, 54:89-97.
  • Guz, N., Toprak, U., Dageri, A., Gurkan, M.O., Denlinger, D.L. 2014. Identification of a putative antifreeze protein gene that is highly expressed during preparation for winter in the sunn pest, Eurygaster maura. Journal of Insect Physiology, 68:30-35.
  • Toprak, U., Coutu, C., Baldwin, D., Erlandson, M., Hegedus, D. 2014. Development of an improved RNA interference vector system for Agrobacterium-mediated plant transformation. Turkish Journal of Biology, 38:40-47 (Turkish Journal of Biology is an international journal indexed in ISI Thompson Reuters Web of Science, Elsevier-Scopus, Science Citation Index Expanded Journal List).
  • Toprak, U., Guz, N., Gurkan, M.O., Hegedus, D.D. 2014. Identification and coordinated expression of perilipin genes in the biological cycle of sunn pest, Eurygaster maura (Hemiptera: Scutelleridae): Implications for lipolysis and lipogenesis. Comparative Biochemistry and Physiology Part B: Molecular Biology Part B, 171:1-11.
2013
  • Toprak, U., Baldwin, D., Hegedus, D.D., Erlandson, M. 2013. Per os feeding with antisera specific to peritrophic matrix proteins stimulates larval growth in Mamestra configurata Walker (Lepidoptera: Noctuidae). Turkish Journal of Entomology, 37:203-212 (Turkish Journal of Entomology is an international journal indexed in ISI Thompson Reuters Web of Science, Elsevier-Scopus, Science Citation Index Expanded Journal List).
  • Toprak, U., Baldwin, D., Erlandson, M., Gillott, C., Harris, S., Hegedus, D.D. 2013. In vitro and in vivo application of RNA interference for targeting genes involved in peritrophic matrix synthesis in a lepidopteran system. Insect Science, 20:92-100.
  • Susurluk, H.,Toprak, U., Gürkan, M.O. 2013. Concentration of sodium dodecyl sulphate used in the occlusion body extraction affects Spodoptera littoralis nucleopolyhedrovirus biological activity. Turkish Journal of Biology, 37:171-175 (Turkish Journal of Biology is an international journal indexed in ISI Thompson Reuters Web of Science, Elsevier-Scopus, Science Citation Index Expanded Journal List).
2012
  • Toprak, U.,  Harris, S., Baldwin, D., Theilmann, D.A., Gillott, C., Hegedus, D.D., Erlandson, M. 2012. Role of enhancin in Mamestra configurata nucleopolyhedrovirus virulence: Selective degradation of host peritrophic matrix proteins. Journal of General Virology, 93:744-753.
2011
  • Terenius, O., Papanicolaou, A., Garbutt, J.S., Eleftherianos, I., Huvenne, H., Sriramana, K., Albrechtsen, M., An, C., Aymeric, J-L., Barthel, A., Bebas, P., Bitra, K., Bravo, A., Chevalier, F., Collinge, D.P., Crava, C.M., de Maagd, R.A., Duvic, B., Erlandson, M., Faye, I., Felföldi, G., Fujiwara, H., Futahashi, R., Gandhe, A.S., Gatehouse, H.S., Gatehouse, L.N., Giebultowicz, J., Gómez, I., Grimmelikhuijzen, C.J., Groot, A.T., Hauser, F., Heckel, D.G., Hegedus, D.D., Hrycaj, S., Huang, L.,  Hull, J.J., Iatrou, K., Iga, M., Kanost, M.R., Kotwica, J., Li, C., Li, J., Liu, J., Lundmark, M., Matsumoto, S., Meyering-Vos, M., Millichap, P.J., Monteiro, A., Mrinal, N., Niimi, T., Nowara, D., Ohnishi, A., Oostra, V., Ozaki, K., Papakonstantinou, M., Popadic, A., Rajam, M.V., Saenko, S., Simpson, R.M., Soberón, M., Strand, M.R., Tomita, S., Toprak, U., Wang, P., Wee, C.W., Whyard, S., Zhang, W., Nagaraju, J., ffrench-Constant, R.H., Herrero, S., Gordon, K., Swevers, L., Smagghe, G. 2011. RNA interference in Lepidoptera: an overview of successful and unsuccessful studies and implications for experimental design. Journal of Insect Physiology, 57:231-245.
2010
  • Toprak, U., Erlandson, M., Hegedus, D. 2010. Peritrophic matrix proteins. Trends in Entomology, 6:23-51.
  • Erlandson, M., Hegedus, D., Baldwin, D., Noakes, A., Toprak, U. 2010. Characterization of the Mamestra configurata (Lepidoptera: Noctuidae) larval midgut protease complement and adaptation to feeding on artificial diet, Brassica species and protease inhibitor. Archives of Insect Biochemistry and Physiology, 75:70-91.
  • Toprak, U., Baldwin, D., Erlandson, M., Gillott, C., Harris, S., Hegedus, D. 2010. Expression patterns of genes encoding proteins with peritrophin A domains and protein localization in Mamestra configurata. Journal of Insect Physiology, 56:1711-1720.
  • Toprak, U., Baldwin, D., Erlandson, M., Gillott, C., Hegedus, D. 2010. Insect intestinal mucins and serine proteases associated with the peritrophic matrix from feeding, starved and molting Mamestra configurata larvae. Insect Molecular Biology, 19:163-175.
2009
  • Hegedus, D., Erlandson, M., Gillott, C., Toprak, U. 2009. New insights into peritrophic matrix synthesis, architecture, and function. Annual Review of Entomology, 54:285-302.
2008
  • Toprak, U., Baldwin, D., Erlandson, M., Gillott, C., Hou, X., Coutu, C., Hegedus, D. 2008. A chitin deacetylase and putative insect intestinal lipases are components of Mamestra configurata peritrophic matrix. Insect Molecular Biology, 17:573-585.
2007
  • Toprak, U., Gürkan, M.O., Bayram, Ş. 2007. The impact of a Turkish isolate and a plaque purified variant of SpliNPV-B on larval stage development of Spodoptera littoralis (Lepidoptera: Noctuidae) Boisd. Pest Management Science, 63:564-568.
  • Toprak, U., Susurluk, H., Gürkan, M.O. 2007. Viral-enhancing activity of an optical brightener for Spodoptera littoralis (Lepidoptera: Noctuidae) nucleopolyhedrovirus. Biocontrol Science and Technology, 17:423-431.
2006
  • Toprak, U., Bayram, Ş., Gürkan, M.O. 2006. Comparative biological activities of a plaque-purified variant and a Turkish native isolate of SpliNPV-B against Spodoptera littoralis (Lepidoptera: Noctuidae). Pest Management Science, 62:57-63.
  • Susurluk, I.A., Toprak, U. 2006. Molecular identification of three entomopathogenic nematodes from Turkey by PCR-RFLP of the ITS regions. Phytoparasitica, 34:17-20.
2005
  • Toprak, U., Susurluk,I.A., and Gürkan, M.O. 2005. The partial sequence comparison of  lef-8 gene obtained from a Turkish SpliNPV-B with several baculoviruses. Journal of Agricultural Sciences, 11:384-390.
  • Toprak, U., Bayram, Ş., Gürkan, M.O. 2005. Gross pathology of SpliNPVs and alterations in Spodoptera littoralis Boisd. (Lepidoptera: Noctuidae) morphology due to baculoviral infection. Journal of Agricultural Sciences, 11:65-71.
  • Toprak, U., Bayram, Ş., Gürkan, M.O. 2005. Baculoviruses as biological control agents, do they have a future in Turkey? Çukurova University Agricultural Faculty Journal, 20:33-43.
  • Toprak, U., Gürkan, M.O. 2005. A different strategy in agricultural pest control, entomopathogenic microorganisms. Turkish Agriculture, 163:50-51.
2004
  • Toprak, U., Gürkan, M.O. 2004. First record of a NPV isolated from Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) in Turkey and its molecular identification according to the partial lef-8 gene. Turkish Journal of Biology, 28:71-77.
  • Toprak, U., Gürkan, M.O. 2004. Negative effects of pesticides to environment and human beings. Green World, 2:16-17.
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