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rDNA-ITS2 characterization of Trichogramma species (Hymenoptera: Trichogrammatidae) in Turkey       
Yazarlar
Prof. Dr. Fahriye ERCAN Prof. Dr. Fahriye ERCAN
Türkiye
Dr. Öğr. Üyesi Mevlüde Alev ATEŞ Dr. Öğr. Üyesi Mevlüde Alev ATEŞ
Kırşehir Ahi Evran Üniversitesi, Türkiye
Sevcan Öztemiz
Türkiye
Özet
Background: ITS2 sequences can be used in systematic studies and proved to give reliable results in the distinguishing of Trichogramma species (Hymenoptera: Trichogrammatidae). Correct identification of natural enemies forms the basis of a biological control program. The present study aimed to compare sequences of rDNA-ITS2 of Trichogramma samples with those deposited in GenBank by using ITS2, as a barcode for reliable species identification and assessment of genetic diversity. Results: Molecular identification methods were used to differentiate 2 Trichogramma species collected from Adana province of Turkey; Trichogramma brassicae (Bezdenko) and Trichogramma turkestanica Meyer (Hymenoptera: Trichogrammatidae). ITS2 sequences of samples ranged in size from 378 to 406 bp. The ITS2 sequences were aligned using Clustal W, genetic distances and phylogenetic tree were calculated using MEGA V7.0. rDNA-ITS2 sequences of 37 specimens of Trichogramma confirmed in GenBank in the study. Also, secondary structures of ITS2 sequences were predicted with the help of Mfold web server. All secondary structure constructions were performed at 37 °C using RNA version 2.3 default parameters. Conclusions: A molecular marker can be used successfully to distinguish closely related groups if it is a rapidly evolving and highly conserved gene region. In the study, it was shown that ITS2 was a reliable molecular marker in distinguishing species. Therefore, with rDNA-ITS2 sequence analysis, Trichogramma spp., which is a very important natural enemy in biological control, has been identified.
Anahtar Kelimeler
Biological control | GenBank | Internal transcribed spacer 2 | Molecular systematic | Trichogramma
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı EGYPTIAN JOURNAL OF BIOLOGICAL PEST CONTROL
Dergi ISSN 1110-1768
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q2
Makale Dili İngilizce
Basım Tarihi 05-2022
Cilt No 32
Sayı 1
Doi Numarası 10.1186/s41938-022-00549-z
Makale Linki http://dx.doi.org/10.1186/s41938-022-00549-z