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Complete genome sequence analysis and genome organization of Dasychira pudibunda nucleopolyhedrovirus (DapuNPV-T1) from Turkey

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Abstract

The economically important pale tussock moth Dasychira pudibunda L. (Lepidoptera: Lymantriidae), known as a beech pest in Europe, primarily inflicts damage on beech leaves. In the present study, we aim to reveal the genome characteristics of Dasychira pudibunda nucleopolyhedrovirus (DapuNPV-T1), which was detected for the first time in Turkey and compare it with the reference genome and other baculovirus genomes. The DapuNPV-T1 genome was determined to be a circular, double-stranded DNA molecule with 136,920 bp and a nucleotide distribution of 54.4% G + C. Bioinformatics analysis showed that the DapuNPV-T1 genome contains 163 open reading frames with more than 150 nucleotides. Fifty-four ORFs of unknown function, 6 homologous regions (hrs), 1 AC-rich region, and 3 bro genes (bro-a, bro-b, and bro-c) were determined in the genome sequence. Comparative analysis with other baculovirus strains revealed distinctions in the DapuNPV-T1 genome based on ORF. The gene parity plot and phylogenetic analysis confirmed that DapuNPV-T1 belongs to the alphabaculovirus group Ib. In addition, the DapuNPV-T1 isolate was found to be close to the nucleopolyhedrovirus Poland isolate in Dasychira pudibunda and Orgyia pseudotsugata multiple nucleopolyhedrovirus. With this study, the first genome analysis of DapuNPV from Turkey became the second in the world to enter the literature. Comprehensive information on a wide range of isolates will provide a more detailed overview of baculoviruses and help overcome their shortcomings as biocontrol agents.

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Data availability

The data that support the findings presented in this study are available within the article and its supplementary information. All sequencing files are accessible from the NCBI database (https://www.ncbi.nlm.nih.gov/nuccore/OP891564).

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Funding

This work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) [Project no. 121Z698].

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All processes such as material preparation, data collection, analysis and writing the manuscript were carried out by all authors.

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Correspondence to Donus Gencer.

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The author has no relevant financial or non-financial interests to disclose.

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Communicated by Ran Wang.

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Gencer, D., Bayramoglu, Z. & Demir, I. Complete genome sequence analysis and genome organization of Dasychira pudibunda nucleopolyhedrovirus (DapuNPV-T1) from Turkey. Arch Microbiol 206, 16 (2024). https://doi.org/10.1007/s00203-023-03741-3

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  • DOI: https://doi.org/10.1007/s00203-023-03741-3

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