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Abstract
G-quadruplexes (G4s) are non-canonical structures that can be formed in DNA and RNA sequences which carry four short runs of guanines. They are distributed in the whole genome but are enriched in gene promoter regions, gene UTRs and chromosome telomeres. The whole array of their functional roles is not fully explored yet but there is solid evidence supporting their implication in a number of processes like regulation of transcription, replication and telomere organization, among others. During the last decade, there is an increased research interest for G4s that has resulted in a better understanding of their role in several physiological and pathological conditions. On the other hand, these structures are poorly studied in plant species and animals of agricultural interest. Here, we summarize the current methods that are used for studying G4s, we review the studies concerning plants and farm animals and we discuss the advantages of a more thorough inclusion of G4s research in the agricultural sciences.
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Disclosure statement
No potential conflict of interest was reported by the authors.