e-journal

Evolution of endogenous non-retroviral genes integrated into plantgenomes

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Numerous comparative genome analyses have revealed the wide extent of horizontal gene transfer (HGT)in living organisms, which contributes to their evolution and genetic diversity. Viruses play importantroles in HGT. Endogenous viral elements (EVEs) are defined as viral DNA sequences present within thegenomes of non-viral organisms. In eukaryotic cells, the majority of EVEs are derived from RNA virusesusing reverse transcription. In contrast, endogenous non-retroviral elements (ENREs) are poorly stud-ied. However, the increasing availability of genomic data and the rapid development of bioinformaticstools have enabled the identification of several ENREs in various eukaryotic organisms. To date, a smallnumber of ENREs integrated into plant genomes have been identified. Of the known non-retroviruses,most identified ENREs are derived from double-strand (ds) RNA viruses, followed by single-strand (ss)DNA and ssRNA viruses. At least eight virus families have been identified. Of these, viruses in the familyPartitiviridae are dominant, followed by viruses of the families Chrysoviridae and Geminiviridae. The iden-tified ENREs have been primarily identified in eudicots, followed by monocots. In this review, we brieflydiscuss the current view on non-retroviral sequences integrated into plant genomes that are associatedwith plant-virus evolution and their possible roles in antiviral resistance.

Keywords:EvolutionHorizontal gene transferIntegrationNon-retroviralPlantVirusa

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Informasi Detail

Judul Seri

Current Plant Biology

No. Panggil

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Penerbit

: Elsevier., 2014

Deskripsi Fisik

Current Plant Biology 1 (2014) 55–59

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

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