ÖZGEŞMİŞ

      1. Adı Soyadı: Abdullah GÜLLER

2. Doğum Tarihi          : 1977

3. Unvanı                      : Dr. Öğr. Üyesi

4. Öğrenim Durumu   : Doktora

5.      Çalıştığı Kurum        : Bingöl Üniversitesi

5.      Akademik Unvanlar:

                                 Yardımcı Doçentlik Tarihi: 02.07.2018

                    Doçentlik Tarihi            :       

                                 Profesörlük Tarihi        :

6. Yayınlar

6.1.  Uluslararası hakemli dergilerde yayınlanan makaleler (SCI & SSCI & Arts and Humanities)

MUSTAFA USTA, HİKMET MURAT SİPAHİOĞLU,ABDULLAH GÜLLER. 2020. Incidence and Molecular Characterisations of Viruses Infecting Wheat in Eastern Anatolia (Turkey). Fresenius Environmental Bulletin. vol. 29, pp. 7257–7266.

MUSTAFA USTA, ABDULLAH GÜLLER,ABİDİN GÜNAY. 2020. The molecular characterization of the coat protein sequence and differentiation of CMV- subgroup I on tobacco from native flora in Turkey. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. vol. 48, no. 2, pp. 523–534

ABDULLAH GÜLLER, HİKMET MURAT SİPAHİOĞLU, MUSTAFA USTA,EMRE DEMİRER DURAK. 2018. Antiviral and Antifungal Activity of Biologically Active Recombinant Bouganin Protein from Bougainvillea spectabilis Willd. JOURNAL OF AGRICULTURAL SCIENCES-TARIM BILIMLERI DERGISI. vol. 24, no. 2, pp. 227–237

MUSTAFA USTA, ABDULLAH GÜLLER, HİKMET MURAT SİPAHİOĞLU. 2018. Molecular Analysis of ’Candidatus Phytoplasma trifolii’ and ’Candidatus Phytoplasma solani’ Associated with Phytoplasma Diseases of Tomato (PDT) in Turkey. INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY. vol. 20, no. 9, pp. 1991–1996

HİKMET MURAT SİPAHİOĞLU, İLHAN KAYA,MUSTAFA USTA, MURAT ÜNAL, DİLEK ÖZCAN, MERYEM ÖZER DİLMEN, ABDULLAH GÜLLER, VICENTE PALLAS. 2017. Pokeweed (Phytolacca americana L.) antiviral protein inhibits Zucchini yellow mosaic virus infection in a dose-dependent manner in squash plants. Turkish Journal of Agriculture and Forestry. vol. 41, pp. 256–262

ŞEVKET ALP, MUSTAFA USTA, HİKMET MURAT SİPAHİOĞLU, ABDULLAH GÜLLER. 2016. First report of “Candidatus Phytoplasma solani” on a new host marigold (Tagetes erecta L.). Agriculture and Forestry, vol. 40, no. 3, pp. 311–318

6.2. Uluslararası diğer hakemli dergilerde yayınlanan makaleler

M. USTA and A. GÜLLER, “Molecular Characterization of the Coat Protein Genome of Alfalfa Mosaic Virus  AMV  Isolates from Alfalfa in Van Province,” Journal of the Institute of Science and Technology, vol. 10, no. 4, pp. 2366–2377, Jul. 2020.

A. GÜLLER and M. USTA, “Stolbur and Clover Proliferation Phytoplasma Infections in Tomato from Bingöl Province  Turkey,” Türk Tarım ve Doğa Bilimleri Dergisi, vol. 7, no. 4, pp. 855–866, Sep. 2020.

A. GÜLLER and M. USTA, “Occurrence of Cucumber mosaic cucumovirus and Watermelon mosaic potyvirus on Melon exhibiting viral symptoms in Bingöl province of Turkey and Their Phylogenetic Affinities,” Türk Tarım ve Doğa Bilimleri Dergisi, vol. 7, no. 4, pp. 948–958, Oct. 2020.

M. USTA and A. GÜLLER, “Molecular Characterization of Polyprotein genes of Two BCMV  Bean common mosaic potyvirus  isolates in Antalya  Turkey  and Their Genomic Divergence,” TURKISH JOURNAL of AGRICULTURAL and NATURAL SCIENCES, vol. 7, no. 2, pp. 411–419, Feb. 2020.

M. USTA and A. GÜLLER, “Detection and Molecular Characterization of  Candidatus Phytoplasma Trifolii  a Member of the Clover Proliferation Grup  Infecting Tomato Plants from Iğdır Province in Turkey,” Turkish Journal of Agriculture - Food Science and Technology, vol. 8, no. 12, pp. 2533–2540, Nov. 2020.

A. GÜLLER and M. USTA, “Occurrence and Characterization of Coat Protein Gene of Zucchini yellow mosaic potyvirus  ZYMV  Isolate Infecting Pumpkin  Cucurbita pepo L  in Bingol Province  Turkey ,” TURKISH JOURNAL of  AGRICULTURAL and NATURAL SCIENCES, vol. 6, no. 4, pp. 798–807, Sep. 2019.

N. O. HASSAN, M. USTA, M. A. M. EMAD, and A. GÜLLER, “The incidence of Barley Yellow Dwarf Viruses  BYDVs  in Wheat Crops in Diyarbakir  Turkey  and Sequence Characterization of BYDV PAV,” YYU TARIM BİLİMLERİ DERGİSİ, vol. 28, pp. 140–149, Dec. 2018.

M. USTA, A. GÜLLER, and H. M. SİPAHİOĞLU, “Detection and Characterization of two Phytoplasma lineages on Cucumber  Cucumis sativus L  with Same Symptomatology based on Virtual RFLP and Nucleotide Sequence Analysis of 16S rDNA,” Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi, vol. 27, no. 3, pp. 299–308, Jan. 2017.

6.3. Uluslararası bilimsel toplantılarda sunulan ve bildiri kitabında (Proceedings) basılan bildiriler

M. USTA, A. GÜLLER, and H. M. SİPAHİOĞLU, “Detection and Characterization of two Phytoplasma lineages on Cucumber  Cucumis sativus L  with Same Symptomatology based on Virtual RFLP and Nucleotide Sequence Analysis of 16S rDNA,” presented at the International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF 2017 Cappadocia / Turkey), NEVŞEHİR, 2017.

A. GÜLLER and M. USTA, “VAN İLİNDE FASULYE BİTKİSİNDEN İZOLE EDİLEN FASULYE ADİ MOZAİK VİRÜS İZOLATININ  Bean common mosaic potyvirus  BCMV  KILIF PROTEİN GENİNİN KLONLANMASI VE MOLEKÜLER KARAKTERİZASYONU,” presented at the 1. Anadolu Uluslararası Multidisipliner ÇalışmalarKongresi, Diyarbakır, 2018.

MUSTAFA USTA, and ABDULLAH GÜLLER. MOLECULAR CHARACTERIZATION of PARTIAL COAT PROTEIN GENE OF POTATO Y VIRUS ISOLATES (Potato Virus Y, PVY) ISOLATED FROM POTATO PLANTS in ANTALYA. 3rd INTERNATIONAL CONFERENCE ON AGRICULTURE, ANIMAL HUSBANDRY AND RURAL DEVELOPMENT. 2019.

M. USTA, A. GÜLLER, and H. M. SİPAHİOĞLU, “Molecular Characterzation of Coat Protein Gene of Two Watermelon mosaic potyvirus Isolates Infecting Muskmelon at Van Province  Turkey ,” presented at the 1st. INTERNATIONAL GAP AGRICULTURE  LIVESTOCK CONGRESS, ŞANLIURFA, 2018.

A. GÜLLER, H. M. SİPAHİOĞLU, M. USTA, and E. DEMİRER DURAK, “Antiviral and Antimicrobial Activitiy of Biologically Active Recombinant Bouganin Protein from Bougainvillea spectabilis Willd,” presented at the International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF 2017 Cappadocia / Turkey), Nevşehir, 2017.

H. M. SİPAHİOĞLU et al., “Pokeweed  Phytolacca americana  antiviral protein inhibits Zucchini yellow mosaic virus infection in a dose dependent manner in squash plants,” presented at the International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF 2017 Cappadocia / Turkey)., NEVŞEHİR, 2017.

M. USTA, A. GÜLLER, and H. M. SİPAHİOĞLU, “TÜRKİYE DE  Canditatus Phytoplazma trifolii  İÇİN YENİ BİR KONUKÇU OLAN ARMUT  Pyrus communis L  TAKİ İZOLATLARININ MOLEKÜLER KARAKTERİZASYONU,” presented at the I. INTERNATIONAL IĞDIR CONGRESSON MULTIDISCIPLINARY STUDIES, IĞDIR, 2018.

N. O. HASSAN, M. USTA, E. M AL MAAROOF, and A. GÜLLER, “Investigation and Molecular Characterizatıon of Barley Yellow Dwarf Viruses in Wheat Fields  Triticum aestivum L  of Diyarbakır Province By Multiplex RT  PCR,” presented at the I. International Agricultural Science Congress, VAN, 2018.

M. USTA, H. M. SİPAHİOĞLU, and A. GÜLLER, “Doğu Anadolu Bölgesi nde Buğday Üretim Alanlarındaki Bazı Buğday Virüslerinin Multipleks RT PCR Yöntemi İle Araştırılması ve Moleküler Karakterizasyonu,” presented at the Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi, KONYA, 2016.

M. USTA, A. GÜLLER, and H. M. SİPAHİOĞLU, “Characterization and Identification of Important Phytoplasma Diseases in Solanacea Family in Van Province,” presented at the II. International Iğdır Symposium, Iğdır, 2017.

Ş. ALP, M. USTA, H. M. SİPAHİOĞLU, and A. GÜLLER, “Candidatus Phytoplasma solani için Yeni Bir Konukçu  Kadife Çiçeği  Tagetes erecta L  ,” presented at the Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi, KONYA, 2016.

6. 4. Yazılan uluslararası kitaplar veya kitaplarda bölümleri

1. TARIMDA YENİLİKÇİ YAKLAŞIMLARSÜRDÜRÜLEBİLİR TARIM VE BİYOÇEŞİTLİLİK

Bölüm Adı: PROPOLİS EKSTRAKLARININ ANTİBAKTERİYEL VEANTİPROTOZOAL ETKİLERİ, GÜLLER ABDULLAH,ÇAKAR GÖZDENUR, Yayın Yeri:İKSAD, Editör:Prof. Dr. Kağan KÖKTEN, Basım sayısı:1, Sayfa sayısı:546, ISBN:978-625-7687-38-6, Bölüm Sayfaları:489 -516. 2020.

2. TARIMDA YENİLİKÇİ YAKLAŞIMLARSÜRDÜRÜLEBİLİR TARIM VE BİYOÇEŞİTLİLİK

Bölüm Adı:RİBOZOM İNAKTİVE EDEN PROTEİNLERİN (RIP) ANTİİNSEKTİDALKULLANIM OLANAKLARI, GÜLLER ABDULLAH,kurt zeynelabidin, Yayın Yeri:İKSAD, Editör:Prof. Dr. Kağan KÖKTEN, Basım sayısı:1, Sayfa sayısı:546, ISBN:978-625-7687-38-6, Bölüm Sayfaları:280 -307. 2020.

3. Fen ve Matematik Bilimlerinde Güncel Araştırmalar

Bölüm Adı: RİBOZOM İNAKTİVE EDEN PROTEİNLER (RIP) VE ANTİFİTOPATOJENİK KULLANIMI, GÜLLER ABDULLAH,USTA MUSTAFA, Yayın Yeri:Ivpe Cetinje, Montenegro, Editör:Prof. Dr. Rıdvan KARAPINAR, Basım sayısı:1, Sayfa sayısı:184, ISBN:978-9940-46-020-4, Bölüm Sayfaları:1 -184. 2020.

7. İdari Görevler: Dekan Yardımcısı (2020- )

8. Son iki yılda verdiğiniz lisans düzeydeki dersler

9- Son iki yılda verdiği lisansüstü düzeydeki dersler:

02.07.2018- Dr. Öğr. Üye. Abdullah GÜLLER
26.07.2024- Doç. Dr. Abdullah GÜLLER

08.10.1999- 02.07.2018     Milli Eğitim Bakanlığı (Öğretmenlik)

Bitki Hastalıkları I

Bitki Hastalıkları II

Fitopatoloji

Mikoloji

Viroloji

Bitki Hastalıkları Epidemiyolojisi

Fitobakteriyoloji

Bakteriyel Arı Hastalıkları ve Mücadelesi

Fungal. Viral ve Protozoon Arı Hastalıkları ve Mücadelesi

1. Demirel S., Usta M., Güller A. 2025. Assessment of potential anti-TSWV stilbene compounds by molecular docking and cladistic analysis. Funct. Plant Biol. https://doi.org/10.1071/FP25105

2. Saraç Sivrikaya I., Güller A., Çelik Ş. 2025. Statistical assessment of dose-dependent antifungal effects of essential oils on soil-borne pathogens in fruit trees. Appl. Fruit Sci. https://doi.org/10.1007/s10341-025-01584-4

3. Korkmaz G., Usta M., Güller A., Demirel S. 2025. Comprehensive survey of common potato viruses in Eastern Anatolia Region of Turkey: new isolates and phylogenetic insights. Potato Res. https://doi.org/10.1007/s11540-025-09860-2

4. Saraç Sivrikaya I., Güller A., Tosun B. 2025. Heracleum platytaenium Boiss. uçucu yağının elma kara leke ve monilya hastalığına karşı antifungal aktivitesinin belirlenmesi. Osmaniye Korkut Ata Üniv. Fen Bil. Enst. Derg. https://doi.org/10.47495/okufbed.1650326

5. Demirel S., Güller A., Usta M., Kurt Z., Korkmaz G. 2024. Coat protein of Alfalfa mosaic alfamovirus (AMV) from Türkiye: genetic inference and in silico docking analysis for potential antiphytoviral purposes. Not. Bot. Horti Agrobo. https://doi.org/10.15835/nbha52113529

6. Güller A., Demirel S., Usta M., Korkmaz G. 2024. Genetic diversity of Cucumber mosaic virus in cucumber plants grown in Diyarbakır. Turk. J. Nat. Sci. https://doi.org/10.46810/tdfd.1266565

7. Güller A., Usta M., Korkmaz G., Demirel S. 2024. In silico and molecular analysis of some mosaic diseases on cucurbit plants in Iğdır Province, Türkiye. Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.1387512

8. Güller A., Usta M., Korkmaz G., Demirel S. 2024. First report of natural infection of Watermelon mosaic virus (WMV) infecting bottle gourd and snake melon. Tekirdağ Zir. Fak. Derg. https://doi.org/10.33462/jotaf.1260007

9. Güller A., Saraç Sivrikaya I., Karakaya E., Çakar Kılıç G. 2024. Evaluation of the efficacy of propolis extracts based on different solvents against some plant pathogenic fungi. Turk. Nat. Sci. J. https://doi.org/10.46810/tdfd.1493162

10. Kapan O., Usta M., Güller A. 2023. Current status and molecular phylogeny of some economically important viruses infecting wheat crops of Şırnak Province, Turkey. Emir. J. Food Agric. https://doi.org/10.9755/ejfa.2023.v35.i6.3117

11. Güller A., Usta M., Zelyüt F.R. 2023. Genetic diversity and population structure of tomato brown rugose fruit virus (ToBRFV) variants from Antalya province, Turkey. Not. Bot. Horti Agrobo. https://doi.org/10.15835/nbha51313356

12. Usta M., Güller A., Demirel S., Korkmaz G., Kurt Z. 2023. New insights into tomato spotted wilt orthotospovirus (TSWV) infections in Türkiye: molecular detection, phylogenetic analysis, and in silico docking study. Not. Bot. Horti Agrobo. https://doi.org/10.15835/nbha51313245

13. Güller A., Balkaya A., Usta M., Kurt Z. 2023. Prevalence of deformed wing virus and chronic bee paralysis virus in honey bee colonies of Bingöl province, Turkey. Iğdır Univ. J. Inst. Sci. Technol. https://doi.org/10.21597/jist.1059418

14. Usta M., Güller A. 2023. Bean common mosaic potyvirus (BCMV) characterized from bean crops affected by mosaic disease in Denizli Province, Türkiye. Turk. J. Agric. Res. https://doi.org/10.19159/tutad.1294147

15. Usta M., Güller A., Sipahioğlu H.M. 2023. First report of ‘Candidatus Phytoplasma australasia’ strain related to witches’-broom of tomato in Türkiye. YYU Tarım Bil. Derg. https://doi.org/10.29133/yyutbd.1205091

16. Kurt Z., Güller A. 2022. Occurrence and molecular phylogeny of economically relevant viruses infecting honey bees (Apis mellifera L.) of Bingöl Province, Turkey. J. Apic. Sci. https://doi.org/10.2478/JAS-2022-0006

17. Usta M., Güller A., Sipahioğlu H.M. 2022. Detection, in silico analysis and molecular diversity of phytoplasmas from solanaceous crops in Turkey. Plant Prot. Sci. https://doi.org/10.17221/115/2021-PPS

18. Çakar G., Saraç Sivrikaya I., Karakaya E., Güller A. 2022. Inhibition effect of different propolis extracts against Fusarium solani in vitro. Eur. J. Sci. Technol. https://doi.org/10.31590/ejosat.1055865

19. Demirel S., Usta M., Güller A. 2022. In silico analysis of ribosome-inactivating protein (tritin) from common wheat plants (Triticum aestivum L.). Eur. J. Sci. Technol. https://doi.org/10.31590/ejosat.1021686

20. Güller A., Usta M., Korkmaz G., Demirel S., Kurt Z. 2022. Presence of ‘Candidatus Phytoplasma trifolii’ in pepper plants showing yellowing and bushy appearance from Iğdır Province of Turkey. Ege Univ. Ziraat Fak. Derg. https://doi.org/10.20289/zfdergi.1081067

21. Güller A., Usta M., Korkmaz G. 2022. Phylogenetic relationship of Alfalfa mosaic virus (AMV) isolate identified in Bingöl Province of Turkey. Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.947617

22. Güller A. 2021. Molecular analysis and first-time PCR isolation of ‘Candidatus Phytoplasma trifolii’ from maize (Zea mays L.) in Turkey. Fresenius Environ. Bull.

23. Usta M., Güller A., Sipahioğlu H.M. 2021. First report of 'Candidatus Phytoplasma trifolii' associated with leaf reddening and upright growth in pears (Pyrus communis L.). Plant Prot. Sci. https://doi.org/10.17221/163/2020-PPS

24. Usta M., Güller A., Demirel S. 2021. Molecular identification of 'Candidatus Phytoplasma solani' using SecY and Vmp1 genes in tomato plants from Van Province. YYU Tarım Bil. Derg. https://doi.org/10.29133/yyutbd.950047

25. Güller A., Usta M., Çakar G., Kurt Z. 2021. Molecular characterization of deformed wing viruses identified in honeybee (Apis mellifera L.) colonies in Erzincan Province of Turkey. Eur. J. Sci. Technol. https://doi.org/10.31590/ejosat.951040

26. Çakar G., Saraç Sivrikaya I., Karakaya E., Güller A. 2021. Evaluation of the in vitro fungicidal activity of summer savory and lavender essential oils against Fusarium solani. ISPEC Tarım Bil. Derg. https://doi.org/10.46291/ISPECJASvol5iss4pp795-805

27. Usta M., Sipahioğlu H.M., Güller A. 2020. Incidence and molecular characterisations of viruses infecting wheat in Eastern Anatolia (Turkey). Fresenius Environ. Bull.

28. Usta M., Güller A., Günay A. 2020. The molecular characterization of the coat protein sequence and differentiation of CMV subgroup I on tobacco from native flora in Turkey. Not. Bot. Horti Agrobo. https://doi.org/10.15835/nbha48211822

29. Güller A., Usta M. 2020. Stolbur and clover proliferation phytoplasma infections in tomato from Bingöl Province, Turkey. Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.727892

30. Usta M., Güller A. 2020. Detection and molecular characterization of ‘Candidatus Phytoplasma trifolii’, a member of the clover proliferation group, infecting tomato plants from Iğdır Province in Turkey. Turk. J. Agric. Food Sci. Technol. https://doi.org/10.24925/turjaf.v8i12.2533-2540.3592

31. Güller A., Usta M. 2020. Occurrence of Cucumber mosaic cucumovirus and Watermelon mosaic potyvirus on melon exhibiting viral symptoms in Bingöl Province of Turkey and their phylogenetic affinities. Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.740195

32. Usta M., Güller A. 2020. Molecular characterization of the coat protein genome of Alfalfa mosaic virus (AMV) isolates from alfalfa in Van Province. Iğdır Univ. J. Inst. Sci. Technol. https://doi.org/10.21597/jist.719099

33. Usta M., Güller A. 2020. Molecular characterization of polyprotein genes of two BCMV (Bean common mosaic potyvirus) isolates in Antalya (Turkey) and their genomic divergence. Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.725819

34. Güller A., Usta M. 2019. Occurrence and characterization of coat protein gene of Zucchini yellow mosaic potyvirus (ZYMV) isolate infecting pumpkin (Cucurbita pepo L.) in Bingöl Province (Turkey). Turk. J. Agric. Nat. Sci. https://doi.org/10.30910/turkjans.633604

35. Usta M., Güller A., Sipahioğlu H.M. 2018. Molecular analysis of ’Candidatus Phytoplasma trifolii’ and ’Candidatus Phytoplasma solani’ associated with phytoplasma diseases of tomato (PDT) in Turkey. Int. J. Agric. Biol. https://doi.org/10.17957/IJAB/15.0721

36. Güller A., Sipahioğlu H.M., Usta M., Durak E.D. 2018. Antiviral and antifungal activity of biologically active recombinant bouganin protein from Bougainvillea spectabilis Willd. Tar. Bil. Der.- J. Agric. Sci. 24: 227–237.

37. Hassan N.O., Usta M., Al Maaroof E.M., Güller A. 2018. The incidence of barley yellow dwarf viruses (BYDVs) in wheat crops in Diyarbakır (Turkey) and sequence characterization of BYDV-PAV. YYU Tarım Bil. Derg.

38. Sipahioğlu H.M., Tekbudak İ.K., Usta M., Ünal M., Yardım D.Ö., Dilmen M.Ö., Güller A., Pallas V. 2017. Pokeweed (Phytolacca americana L.) antiviral protein inhibits Zucchini yellow mosaic virus infection in a dose-dependent manner in squash plants. Turk. J. Agric. For. https://doi.org/10.3906/tar-1612-30

39. Usta M., Güller A., Sipahioğlu H.M. 2017. Detection and characterization of two phytoplasma lineages on cucumber (Cucumis sativus L.) with same symptomatology based on virtual RFLP and nucleotide sequence analysis of 16S rDNA. YYU Tarım Bil. Derg.

40. Alp Ş., Usta M., Sipahioğlu H.M., Güller A. 2016. First report of “Candidatus Phytoplasma solani” on a new host marigold (Tagetes erecta L.). Turk. J. Agric. For. https://doi.org/10.3906/tar-1506-58

Sipahioğlu H.M., Türkmen Ö., Usta M., Güller A., Seymen M, Paksoy M., Fidan S.. 2015.  Bazı Yerli Çerezlik Kabak Çeşit Adaylarının Zucchini yellow  mosaic  virus’üne Karşı Dayanıklılığının Araştırılması, Selçuk Tar Bil Der, 2(2): 136-143.

Demirel S., Usta M., Güller A. 2025. Expression of the recombinant ribosome-inactivating protein Tritin in E. coli: IPTG dose-dependent effects on cell growth. 10th International Çukurova Agricultural and Veterinary Congress, 22–23 Haziran 2025.

Demirel S., Güller A., Usta M. 2025. Structure-based discovery of antiviral targeting plant viral proteins via molecular docking. 10th International Çukurova Agricultural and Veterinary Congress, 22–23 Haziran 2025.

Demirel S., Usta M., Güller A. 2025. Phytopathogene viroid infections in vegetable production: Türkiye example. 8th International Food, Agriculture and Veterinary Sciences Congress, 29–31 Mayıs 2025.

Güller A., Usta M., Demirel S. 2025. A newly emerging threat in tomato and pepper production: Tomato brown rugose fruit virus (ToBRFV). 8th International Food, Agriculture and Veterinary Sciences Congress, 29–31 Mayıs 2025.

Güller A., Saraç Sivrikaya I., Tosun B. 2025. Evaluation of the inhibitory effect of Heracleum platytaenium Boiss. essential oil against Alternaria alternata. IV International Congress of the Turkish Journal of Agriculture – Food Science and Technology (TURJAF 2025), 28–30 Nisan 2025.

Saraç Sivrikaya I., Güller A., Tosun B. 2025. Can Heracleum platytaenium essential oil be used as a biopesticide against white mold disease? IV International Congress of the Turkish Journal of Agriculture – Food Science and Technology (TURJAF 2025), 28–30 Nisan 2025.

Kocaata U., Güller A., Saraç Sivrikaya I. 2025. The role of cumin essential oil in controlling Venturia inaequalis and Monilia spp. AICHEAS 5th International Conference on Health, Engineering and Applied Sciences, 28–30 Mart 2025.

Saraç Sivrikaya I., Güller A., Tosun B. 2025. Antifungal activity of Heracleum platytaenium Boiss. essential oil against Pestalotiopsis theae. MUNZUR 8th International Conference on Applied Sciences, 11 Nisan–13 Mayıs 2025.

Usta M., Güller A., Demirel S. 2024. Cladistic analysis of Turkish Denizli Cucumis melo alphaendornavirus (CmEV) isolates from melon (Cucumis melo L.). International Congress of High Value Added Agricultural Products, 01–03 Aralık 2024.

Usta M., Güller A., Demirel S. 2024. CMV variants and phylogenetic analysis in cucurbit ecosystem of the southern Aegean region, Türkiye. ISPEC 16th International Conference on Agriculture, Animal Science & Rural Development, 15–17 Kasım 2024.

Usta M., Güller A. 2024. Van ilinde bitkisel üretimde görülen virüs, viroid, fitoplazma hastalıkları ve mücadele olanakları. Uluslararası Vizyon Van 2024 Kongresi, 08–09 Şubat 2024.

Saraç Sivrikaya I., Güller A. 2024. Apilarnil’in Fusarium oxysporum’a karşı antifungal aktivitesinin belirlenmesi. AICHEAS 3rd International Conference on Health, Engineering and Applied Sciences, 05–07 Temmuz 2024.

Saraç Sivrikaya I., Güller A. 2024. Apilarnil’in arpa ağ benek hastalığına (Pyrenophora teres) karşı antifungal aktivitesinin belirlenmesi. AICHEAS 3rd International Conference on Health, Engineering and Applied Sciences, 05–07 Temmuz 2024.

Saraç Sivrikaya I., Güller A. 2024. Genetik analiz destekli Fusarium culmorum tanı yöntemleri: moleküler tekniklerin kullanımı. 16th China to Adriatic Turkish World International Scientific Research Congress, 12–14 Temmuz 2024.

Güller A., Usta M. 2022. Molecular characterization of 16S rDNA nucleotide sequence of ‘Ca. P. trifolii’ in phytoplasma-suspicious cucumber plants in Van Province. IV International Conference of Food, Agriculture, and Veterinary Sciences, 27–28 Mayıs 2022.

Çakar G., Güller A., Erarslan G., Karakaya E. 2021. Mycelial growth inhibition activity of basil essential oil at different concentrations against Pythium sp. and Alternaria solani. ISPEC 8th International Conference on Agriculture, Animal Science and Rural Development, 24–25 Aralık 2021.

Çakar G., Güller A., Mesci E., Karakaya E. 2021. Evaluation of antifungal activities of royal jelly, bee bread (perga) and bee venom on Sclerotinia sclerotiorum and Pythium sp. phytopathogens in vitro. ISPEC 8th International Conference on Agriculture, Animal Sciences and Rural Development, 24–25 Aralık 2021.

Çakar G., Güller A., Durak E.D. 2021. Inhibition profile of lavender essential oil against some important phytopathogenic fungi in laboratory conditions. ISPEC 7th International Conference on Agriculture, Animal Sciences and Rural Development, 18–19 Eylül 2021.

Usta M., Güller A., Sipahioğlu H.M. 2021. Molecular phylogeny of Watermelon mosaic virus (WMV) in squash plant grown in Diyarbakır Province. ISPEC 6th International Conference on Agriculture, Animal Husbandry and Rural Development, 16–18 Mayıs 2021.

Çakar G., Döner Ö., Coşkun P., İlkaya M., Dinç M., Karakaya E., Güller A., İnci H. 2021. Evaluation of the effect of propolis-containing product use on individuals infected with COVID-19. II International COVID-19 & Current Issues Congress, 01–02 Mayıs 2021.

Demirel S., Korkmaz G., Usta M., Güller A. 2021. Molecular phylogeny of Alfalfa mosaic virus (AMV) in naturally infected alfalfa plants in Iğdır Province (Turkey). Iğdır International Applied Sciences Congress, 14–15 Nisan 2021.

Usta M., Güller A., Sipahioğlu H.M. 2019. Molecular characterization of partial coat protein gene of Potato Y virus (PVY) isolates from potato plants in Antalya. 3rd International Conference on Agriculture, Animal Husbandry and Rural Development, 20–22 Aralık 2019.

Güller A., Usta M. 2018. Van ilinde fasulye bitkisinden izole edilen Bean common mosaic potyvirus (BCMV) izolaatının kılıf protein geninin klonlanması ve moleküler karakterizasyonu. 1st Anadolu International Multidisciplinary Studies Congress, 28–29 Aralık 2018.

Usta M., Güller A., Sipahioğlu H.M. 2018. Türkiye’de ‘Candidatus Phytoplasma trifolii’ için yeni bir konukçu olan armut (Pyrus communis L.)’taki izolatlardan moleküler karakterizasyon. I. International Iğdır Congress on Multidisciplinary Studies, 06–08 Kasım 2018.

Usta M., Güller A., Sipahioğlu H.M. 2018. Molecular characterzation of coat protein gene of two Watermelon mosaic potyvirus isolates infecting muskmelon at Van Province (Turkey). 1st International GAP Agriculture Livestock Congress, 25–27 Nisan 2018.

Hassan N.O., Usta M., Al Maaroof E.M., Güller A. 2018. Investigation and molecular characterization of Barley yellow dwarf viruses in wheat fields (Triticum aestivum L.) of Diyarbakır Province by multiplex RT-PCR. I International Agricultural Science Congress, 09–12 Mayıs 2018.

Usta M., Güller A., Sipahioğlu H.M. 2017. Detection and characterization of two phytoplasma lineages on cucumber (Cucumis sativus L.) with same symptomatology based on virtual RFLP and nucleotide sequence analysis of 16S rDNA. International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF 2017 Cappadocia/Turkey), 15–17 Mayıs 2017.

Güller A., Sipahioğlu H.M., Usta M., Durak E.D. 2017. Antiviral and antimicrobial activity of biologically active recombinant bouganin protein from Bougainvillea spectabilis Willd. International Conference on Agriculture, Forest, Food Sciences and Technologies, 15–17 Mayıs 2017.

Sipahioğlu H.M., Tekbudak İ.K., Usta M., Ünal M., Yardım D.Ö., Dilmen M.Ö., Güller A., Pallas V. 2017. Pokeweed (Phytolacca americana) antiviral protein inhibits Zucchini yellow mosaic virus infection in a dose-dependent manner in squash plants. International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF 2017 Cappadocia/Turkey), 15–17 Mayıs 2017.

Usta M., Güller A., Sipahioğlu H.M. 2017. Characterization and identification of important phytoplasma diseases in Solanaceae family in Van Province. II International Iğdır Symposium, 09–11 Ekim 2017.

Alp Ş., Usta M., Sipahioğlu H.M., Güller A. 2016. Candidatus Phytoplasma solani için yeni bir konukçu: Kadife çiçeği (Tagetes erecta L.). Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi, 05–08 Eylül 2016.

Usta M., Sipahioğlu H.M., Güller A. 2016. Doğu Anadolu Bölgesi’nde buğday üretim alanlarındaki bazı buğday virüslerinin multipleks-RT-PCR yöntemi ile araştırılması ve moleküler karakterizasyonu. Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi, 05–08 Eylül 2016.

Sipahioğlu H.M., Türkmen Ö., Usta M., Güller A., Seymen M., Paksoy M., Fidan S. 2015. Bazı yerli çerezlik kabak çeşit adaylarının Zucchini yellow mosaic virus’üne karşı dayanıklılığının araştırılması. Selçuk Tarım Bilimleri Dergisi Kongresi, 2015

Usta M, Sipahioğlu HM, Güller A. 2016. Doğu Anadolu Bölgesi’nde Buğday Üretim Alanlarındaki Bazı Buğday Virüslerinin Multipleks-RT-PCR Yöntemi İle Araştırılması ve Moleküler Karakterizasyonu, Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi 5-8 Eylül 2016 Konya, TÜRKİYE.

Alp Ş.,Usta M, Sipahioğlu HM, Güller A. 2016.Candidatus Phytoplasma solani için Yeni Bir Konukçu: Kadife Çiçeği (Tagetes erecta L.) Uluslararası Katılımlı Türkiye VI. Bitki Koruma Kongresi 5-8 Eylül 2016 Konya, TÜRKİYE.