Do&#231;. Dr. S&#252;meyra G&#220;RK&#214;K

The Trout Journal of Atatürk University , cilt.1, sa.1, ss.8-14, 2023 (Hakemli Dergi)

8. Purification and characterization of Stenotrophomonas maltophilia chitinase with antifungal and insecticidal properties

Aktas C., Ruzgar D., Gürkök S., Gormez A.

PREPARATIVE BIOCHEMISTRY AND BIOTECHNOLOGY , cilt.53, sa.7, ss.797-806, 2023 (SCI-Expanded, Scopus)

9. Effect of toluene addition on pyocyanin production in the presence of different carbon sources

Anatolian Journal of Biology , cilt.3, sa.1, ss.25-27, 2022 (Hakemli Dergi)

10. A novel carotenoid from Metabacillus idriensis LipT27: production, extraction, partial characterization, biological activities and use in textile dyeing

Gurkok S.

ARCHIVES OF MICROBIOLOGY , cilt.204, sa.6, ss.1-14, 2022 (SCI-Expanded, Scopus)

11. Recent advances in nanoparticles as antibacterial agent

ÖZDAL M., GÜRKÖK S.

ADMET AND DMPK , cilt.10, sa.2, ss.115-129, 2022 (ESCI, Scopus)

12. Microbial Biosurfactants: Properties, Types, and Production

Anatolian Journal of Biology , cilt.2, sa.2, ss.2-7, 2021 (Hakemli Dergi)

13. Statistical Optimization of Extracellular Thermo-Alkaline Lipase Production from Aeromonas caviae LipT51 with Response Surface Methodology

Journal of the Institute of Science and Technology , cilt.11, sa.3, ss.1770-1780, 2021 (TRDizin)

14. Purification and characterization of a novel extracellular, alkaline, thermoactive, and detergent-compatible lipase from Aeromonas caviae LipT51 for application in detergent industry.

Gurkok S., Ozdal M.

Protein expression and purification , cilt.180, ss.105819, 2021 (SCI-Expanded, Scopus)

15. Sonolytic, photocatalytic and sonophotocatalytic disinfection of vibrio choleras

GÖRMEZ A., Yetim T., GÜRKÖK S.

Fresenius Environmental Bulletin , cilt.29, sa.2, ss.1134-1138, 2020 (SCI-Expanded, Scopus)

16. AN ALTERNATIVE USAGE OF URTICA DIOICA AS ADSORBENT FOR MALACHITE GREEN: OPTIMIZATION STUDY

Ertan B., Gürkök S., Efe D.

STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA , cilt.65, sa.4, ss.109-123, 2020 (SCI-Expanded, Scopus)

17. SONOLYTIC, PHOTOCATALYTIC AND SONOPHOTOCATALYTIC DISINFECTION OF VIBRIO CHOLERAE

GÖRMEZ A., YETİM T., GÜRKÖK S.

FRESENIUS ENVIRONMENTAL BULLETIN , cilt.29, sa.2, ss.1134-1138, 2020 (SCI-Expanded, Scopus)

18. Enhancement of pyocyanin production by Pseudomonas aeruginosa via the addition of n-hexane as an oxygen vector

Özdal M., Gürkök S., Ozdal O. G., Kurbanoğlu E. B.

Biocatalysis and Agricultural Biotechnology , cilt.22, 2019 (ESCI, Scopus)

19. Microbial Enzymes in Detergents: A Review

Gurkok S., ÇEKMECELİOĞLU D., Ogel Z. B.

International Journal of Scientific and Engineering Research , cilt.10, sa.9, ss.75-81, 2019 (Hakemli Dergi)

20. TRANSGALACTOSYLATION FOR GALACTOOLIGOSACCHARIDE SYNTHESIS USING PURIFIED AND CHARACTERIZED RECOMBINANT α-GALACTOSIDASE FROM Aspergillus fumigatus IMI 385708 OVEREXPRESSED IN Aspergillus sojae

Gürkök S., Ögel Z. B.

Food and Health , cilt.5, ss.64-76, 2019 (TRDizin)

21. Screening of proteolytic activities of Bacillus species isolated from plants

ÖZTAŞ E., GÖRMEZ A., GÜRKÖK S.

Journal of Molecular Biology and Biotechnology , cilt.2, ss.1-5, 2018 (Hakemli Dergi)

22. Optimization of rhamnolipid production by Pseudomonas aeruginosa OG1 using waste frying oil and chicken feather peptone.

Ozdal M., Gurkok S., Ozdal O.

3 Biotech , cilt.7, ss.117, 2017 (SCI-Expanded, Scopus)

23. Magnesite Enrichment with Pseudomonas oryzihabitans Isolated from Magnesite Ore

Karaoglu H., Yanmis D., GÜRKÖK S.

GEOMICROBIOLOGY JOURNAL , cilt.33, sa.1, ss.46-51, 2016 (SCI-Expanded, Scopus)

24. Optimization of culture conditions for Aspergillus sojae expressing an Aspergillus fumigatus alpha-galactosidase

BIORESOURCE TECHNOLOGY , cilt.102, sa.7, ss.4925-4929, 2011 (SCI-Expanded, Scopus)

25. Cloning and heterologous expression of the extracellular alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae under the control of gpdA promoter

Gurkok S., Soyler B., BIELY P., Ogel Z. B.

JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC , cilt.64, ss.146-149, 2010 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler 48

1. Synergistic Effect of Laurus nobilis L. Essential Oil Combined With Antibiotics Against Pseudomonas aeruginosa

5th International Thales Congress on Life, Engineering, Architecture and Mathematics, Al-Kharijah, Mısır, 16 - 18 Ekim 2025, ss.451-454, (Tam Metin Bildiri)

2. In vitro Antimicrobial Susceptibility Testing of Satureja hortensis L. Essential Oil, Against Streptococcus mutans Bacterium

6TH INTERNATIONAL CONGRESS ON ENGINEERING AND LIFE SCIENCE, Girne, Kıbrıs (Kktc), 2 Ekim - 04 Kasım 2025, ss.227-232, (Tam Metin Bildiri)

3. Evaluation of Pine Oil as a Natural Antimicrobial Agent Targeting Aeromonas Caviae

17th International İstanbul Scientific Research Congress, İstanbul, Türkiye, 28 - 30 Eylül 2025, ss.1348-1353, (Tam Metin Bildiri)

4. Biosurfactant Production by Aeromonas caviae

Ayan A. W., Gürkök S.

IV. International Congress of the Turkish Journal of Agriculture - Food Science and Technology, Niğde, Türkiye, 28 - 30 Nisan 2025, ss.529-534, (Tam Metin Bildiri)

5. Isolation and Identification of Amylase-Producing Strain

Gürkök S., Akbaş F., Özdal M.

7th International Conference on Advances in Natural and Applied Sciences (ICANAS 2024), Antalya, Türkiye, 17 Nisan 2024, ss.162-167, (Tam Metin Bildiri)

6. Cellulase-Producing Bacteria from Lake Van

Gürkök S., Yılmaz A. A.

7th International Conference on Advances in Natural and Applied Sciences (ICANAS 2024), Antalya, Türkiye, 17 Nisan 2024, ss.155-161, (Tam Metin Bildiri)

7. Antarktika Horseshoe Adası'ndan Örneklenen Bir Kriyokonitin Fungal Biyoçeşitliliğinin Metabarkodlama Yaklaşımıyla Araştırılması

KARADAYI M., Gülşahin Y., KARADAYI G., GÜRKÖK S., Aksu Ş., GÜLLÜCE M.

25. Ulusal Biyoloji Kongresi, 13 Temmuz 2023, (Özet Bildiri)

8. Horseshoe Adası’ndaki Antarktik Tip Kriyokonitlerden Soğuk Aktif Proteaz Üretici Mikroorganizmaların İzolasyonu

KARADAYI M., Aksu Ş., GÜRKÖK S., KARADAYI G., Gülşahin Y., GÜLLÜCE M.

25. Ulusal Biyoloji Kongresi, 13 Temmuz 2023, (Özet Bildiri)

9. ANTARKTİK TİP KRİYOKONİTTEN SOĞUK AKTİF AMİLAZ ÜRETİCİ MİKROORGANİZMALARIN İZOLASYONU

Karadayı M., Aksu Ş., Gürkök S., Karadayı G., Gülşahin Y., Güllüce M.

6. Ulusal Kutup Bilimleri Çalıştayı, Trabzon, Türkiye, 30 Kasım - 01 Aralık 2022, ss.112-113, (Özet Bildiri)

10. A Study on Cryoconites of Horseshoe Island (Antarctica)

KARADAYI M., Gülşahin Y., KARADAYI G., GÜRKÖK S., Aksu Ş., GÜLLÜCE M.

6th International Conference on Advances in Natural and Applied Sciences, Ağrı, Türkiye, 11 - 13 Ekim 2022, (Özet Bildiri)

11. Antimicrobial, antibiofilm and antiurease activities of silver nanoparticles against Proteus mirabilis

6th International Conference on Advances in Natural and Applied Sciences, Ağrı, Türkiye, 11 - 13 Ekim 2022, (Özet Bildiri)

12. MICROBIAL SYNTHESIS OF SILVER NANOPARTICLES (AG-NP) AND THEIR BIOLOGICAL ACTIVITIES

International Black Sea Modern Scientific Research Congress, Rize, Türkiye, 29 Eylül - 02 Ekim 2022, (Tam Metin Bildiri)

13. SCREENING, ISOLATION, CHARACTERIZATION AND IDENTIFICATION OF ALKALINE PROTEASE PRODUCING BACTERIA

GÜRKÖK S., Hemşinli A.

International Black Sea Modern Scientific Research Congress, Rize, Türkiye, 29 Eylül - 02 Ekim 2022, (Tam Metin Bildiri)

14. ANTARKTİKA KRİYOKONİT ÇUKURLARI: BİYOÇEŞİTLİLİK VE BİYOTEKNOLOJİ ARAŞTIRMALARI İÇİN GİZEMLİ KAYNAKLAR

KARADAYI M., GÜLLÜCE M., KARADAYI G., GÜRKÖK S., Aksu Ş., Gülşahin Y., et al.

5. ULUSAL KUTUP BİLİMLERİ ÇALIŞTAYI, Kocaeli, Türkiye, 09 Aralık 2021, ss.46-47, (Özet Bildiri) Sürdürülebilir Kalkınma

15. Production of zinc selenide nanoparticles (ZnSe-NPs) via microbial green synthesis and their antibacterial activities

World Congress on Applied Nanotechnology, Erzurum, Türkiye, 24 - 26 Kasım 2021, (Tam Metin Bildiri) Sürdürülebilir Kalkınma

16. ULUSAL KUTUP SEFERLERİ İÇİN ARAŞTIRMACI YETİŞTİRİLMESİNDE YERLİ SOĞUK EKOSİSTEMLERİN POTANSİYELİ: PALANDÖKEN DAĞI ÖRNEĞİ

Aksu Ş., KARADAYI M., GÜRKÖK S., KARADAYI G., GÜLLÜCE M.

4. ULUSAL KUTUP BİLİMLERİ ÇALIŞTAYI, Kocaeli, Türkiye, 22 Ekim 2020, ss.221-222, (Özet Bildiri)

17. KUTUPLARDAKİ MİKROBİYAL BİYOÇEŞİTLİLİĞİN ARAŞTIRILMASINDA KULLANILAN METAGENOMİK YAKLAŞIMLARIN TEORİK KIYASLANMASI

KARADAYI M., GÜLLÜCE M., GÜRKÖK S., KARADAYI G., Aksu Ş.

4. ULUSAL KUTUP BİLİMLERİ ÇALIŞTAYI, Kocaeli, Türkiye, 22 Ekim 2020, ss.164-167, (Özet Bildiri)

18. Isolation and Identification of Lipase Producing Bacteria in Erzurum Province

International Conference on Advances in Natural & Applied Science, Ağrı, Türkiye, 19 - 22 Haziran 2019, ss.165, (Tam Metin Bildiri)

19. Microbial Enzymes in Detergents: A Review

ÖZDAL M., ÖZDAL Ö. G., GÜRKÖK S.

International Conference on Advances in Natural & Applied Science, Ağrı, Türkiye, 19 - 22 Haziran 2019, ss.175, (Tam Metin Bildiri)

20. Antifungal potential of Serratia plymuthica chitinase against phytopathogens

GÜRKÖK S., GÖRMEZ A., ÖZTAŞ E.

INTERNATIONAL SYPOSIUM ON APPLIEDSCIENCES AND ENGINEERING, 26 - 28 Kasım 2018, (Tam Metin Bildiri)

21. Transgalactosylation activity of alpha-galactosidases

GÜRKÖK S., ÖGEL Z. B.

6. International Congress on Moleculer Biology and Biotechnology, 22 - 25 Aralık 2017, (Özet Bildiri)

22. Screening of proteolytic activities of Bacillus species isolated from plants

ÖZTAŞ E., GÖRMEZ A., GÜRKÖK S.

International Congress on Moleculer Biology and Biotechnology, 22 - 25 Aralık 2017, (Özet Bildiri)

23. Antibacterial activity of essential oils extracted from Satureja hortensis against selected clinical pathogens

Görmez A., Yanmiş D., Bozari S., GÜRKÖK S.

2nd International Conference on Advances in Natural and Applied Sciences, ICANAS 2017, Antalya, Türkiye, 18 - 21 Nisan 2017, cilt.1833, (Tam Metin Bildiri)

24. Statistical optimization of beta-carotene production by Arthrobacter agilis A17 using response surface methodology and Box-Behnken design

2nd International Conference on Advances in Natural and Applied Sciences, ICANAS 2017, Antalya, Türkiye, 18 - 21 Nisan 2017, cilt.1833, (Tam Metin Bildiri)

25. Rhamnolipid Production by Pseudomonas aeruginosa OG1 Using Waste Frying Oil and Ram Horn Peptone

ÖZDAL M., GÜRKÖK S., GÜR ÖZDAL Ö., KURBANOĞLU E. B.

2nd INTERNATIONAL CONFERENCE ON ADVANCES IN NATURAL AND APPLIED SCIENCES, 18 - 21 Nisan 2017, (Tam Metin Bildiri)

26. Optimization of rhamnolipid production by Pseudomonas aeruginosa OG 2 using waste frying oil and chicken feather peptone

ÖZDAL M., GÜRKÖK S., Gür Özdal Ö.

International Conference on Biological Sciences, Konya, Türkiye, 21 - 23 Ekim 2016, (Özet Bildiri)

27. Effect of light on growth and ß-carotene production by Arthrobacter agilis A17

ÖZDAL M., özdal ö. g., GÜRKÖK S.

International Conference on Biological Sciences, Konya, Türkiye, 21 - 23 Ekim 2016, ss.36, (Tam Metin Bildiri)

28. Sonocatalytic photocatalytic and sonophotocatalytic disinfection of Vibrio cholerae

GÖRMEZ A., GÜRKÖK S., YETİM T.

International Conference on Advances in Natural and Applied Sciences, 21 - 23 Nisan 2016, (Özet Bildiri)

29. Isolation and Characterization of Novel Chitinolytic Bacteria

GÜRKÖK S., Gormez A.

International Conference on Advances in Natural and Applied Sciences (ICANAS), Antalya, Türkiye, 21 - 23 Nisan 2016, cilt.1726, (Tam Metin Bildiri)

30. The Alternative Methods for Disinfection of E. coli

Yetim T., Gormez A., GÜRKÖK S.

International Conference on Advances in Natural and Applied Sciences (ICANAS), Antalya, Türkiye, 21 - 23 Nisan 2016, cilt.1726, (Tam Metin Bildiri)

31. Manyezit madeninden izole edilen fungusların tanılanması ve karbonatlı bileşikler üzerine çözündürücü etkisinin araştırılması

GÜRKÖK S., efe d., örtücü s., görmez a.

1. Ulusal Mikoloji Günleri, Erzurum, Türkiye, 1 - 04 Eylül 2014, ss.107, (Tam Metin Bildiri)

32. Manyezit madeninden izole edilen fungusların tanılanması ve karbonatlı bileşikler üzerine çözündürücü etkisinin araştırılması

GÜRKÖK S., efe d., örtücü s., görmez a.

1. Ulusal Mikoloji Günleri, Erzurum, Türkiye, 1 - 04 Eylül 2014, ss.107, (Tam Metin Bildiri)

33. Cloning, expression, purification and characterization of Aspergillus fumigatus ?-galactosidase and optimization of the culture conditions

GÜRKÖK S., Özdemir B., Biely P., Ögel Z. B.

International Symposium on Biotechnology: Developments and Trends, Ankara, Türkiye, 27 - 29 Eylül 2009, ss.1, (Tam Metin Bildiri)

34. Cloning, expression, purification and characterization of Aspergillus fumigatus ?-galactosidase and optimization of the culture conditions

GÜRKÖK S., Özdemir B., Biely P., Ögel Z. B.

International Symposium on Biotechnology: Developments and Trends, Ankara, Türkiye, 27 - 29 Eylül 2009, ss.1, (Tam Metin Bildiri)

35. Optimization of culture conditions for heterologous expression of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae.

GÜRKÖK S., Söyler b., Ögel Z. B.

3rd Congress of European Microbiologists (FEMS 2009) on the theme, "Microbes and Man-interdependence and future challenges, Göteborg, İsveç, 28 Haziran - 02 Temmuz 2009, ss.1, (Tam Metin Bildiri)

36. Optimization of culture conditions for heterologous expression of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae.

GÜRKÖK S., Söyler b., Ögel Z. B.

3rd Congress of European Microbiologists (FEMS 2009) on the theme, "Microbes and Man-interdependence and future challenges, Göteborg, İsveç, 28 Haziran - 02 Temmuz 2009, ss.1, (Tam Metin Bildiri)

37. Heterologous expression of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae, the influence of osmotic stress and optimization of culture conditions

International Enzyme Engineering Symposium (IEES), Aydın, Türkiye, 1 - 05 Eylül 2008, ss.1, (Özet Bildiri)

38. Heterologous expression of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae, the influence of osmotic stress and optimization of culture conditions

XII. International Congress of Mycology, İstanbul, Türkiye, 5 - 09 Ağustos 2008, ss.1, (Tam Metin Bildiri)

39. Heterologous expression of glycosidases of A. fumigatus in A. sojae and P. pastoris for synthesis of novel carbohydrates.

Duruksu G., GÜRKÖK S., Bölükbaşı U., Ögel Z. B.

Heterologous expression of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae, the influence of osmotic stress and optimization of culture conditions, İstanbul, Türkiye, 5 - 09 Ağustos 2008, ss.1, (Tam Metin Bildiri)

40. Heterologous expression of glycosidases of A. fumigatus in A. sojae and P. pastoris for synthesis of novel carbohydrates.

Duruksu G., GÜRKÖK S., Bölükbaşı U., Ögel Z. B.

41. Aspergillus fumigatus alfa-galaktosidaz enziminin Aspergillus sojae’de heterolog ifadesi ve osmotik stresin etkisi

X. Türk Gıda Kongresi, Erzurum, Türkiye, 21 - 23 Mayıs 2008, ss.1, (Özet Bildiri)

42. Gizli Kahramanlar, Enzimler

AR-GE Konferansı, Ankara, Türkiye, 28 - 29 Nisan 2008, ss.1, (Tam Metin Bildiri)

43. Gizli Kahramanlar, Enzimler

AR-GE Konferansı, Ankara, Türkiye, 28 - 29 Nisan 2008, ss.1, (Tam Metin Bildiri)

44. Aspergillus fumigatus alfa-galaktosidaz enziminin Aspergillus sojae’de heterolog ifadesi ve osmotik stresin etkisi

XV. Biyoteknoloji Konferansı, Antalya, Türkiye, 28 - 31 Ekim 2007, ss.1, (Tam Metin Bildiri)

45. Production of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae under the control of the gpdA promoter and the influence of osmotic stress

3rd European Federation of Biotechnology Conference on Physiology of Yeasts and Filamentous Fungi (PYFF3), Helsinki, Finlandiya, 13 - 16 Haziran 2007, ss.1, (Tam Metin Bildiri)

46. Production of alpha-galactosidase from Aspergillus fumigatus in Aspergillus sojae under the control of the gpdA promoter and the influence of osmotic stress

Özdal M. (Editör), Gürkök S. (Editör)

3rd European Federation of Biotechnology Conference on Physiology of Yeasts and Filamentous Fungi (PYFF3), Helsinki, Finlandiya, 13 - 16 Haziran 2007, ss.1, (Tam Metin Bildiri)

47. A life under stress: Growth, adaptation and enzyme production by Aspergillus in the presence of phenolics and osmotic stress.

GÜRKÖK S., Özdemir B., Amarsaikhan N., Ögel Z. B.

International Symposium on Microbial Adaptation to Stress and Environment, Marburg, Almanya, 12 - 14 Nisan 2007, ss.1, (Tam Metin Bildiri)

48. A life under stress: Growth, adaptation and enzyme production by Aspergillus in the presence of phenolics and osmotic stress.

GÜRKÖK S., Özdemir B., Amarsaikhan N., Ögel Z. B.

International Symposium on Microbial Adaptation to Stress and Environment, Marburg, Almanya, 12 - 14 Nisan 2007, ss.1, (Tam Metin Bildiri)

Kitaplar 28

1. Biotechnology in Action: Unveiling Nature's Potential 2

Efe Academy Publishing, İstanbul, 2024

2. Unveiling Nature's Potential In Enzymes – Industrial Enzymes And Their Application Areas

Dil Y., Yılmaz A. A., Akbaş F., Hemşinli A., Alaylar B., Gürkök S.

Biotechnology in Action: Unveiling Nature's Potential 2, ÖZDAL MURAT, GÜRKÖK SÜMEYRA, Editör, Efe Academy Publishing, İstanbul, ss.182-215, 2024

3. Exploring Cost-Effective Pathways for Future Biofuel Production

Solid‐Gaseous Biofuels Production, Innamuddin ,, Altalhi Tariq, Editör, WILEY - Scrivener Publishing LLC, Beverly, MA, ss.119-147, 2024

4. Electroporation for the Production of Genetically Modified Microorganisms