DNA barcoding of passerine birds in Iran

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dc.contributor.authorJavaheri Tehrani, Sahar
dc.contributor.authorRezazadeh, Elham
dc.contributor.authorAlaei Kakhki, Niloofar
dc.contributor.authorNourani, Leila
dc.contributor.authorEbadi, Vali
dc.contributor.authorKarimi, Sahar
dc.contributor.authorKarami, Mojtaba
dc.contributor.authorAshouri, Fatemeh
dc.contributor.authorSarshar, Asaad
dc.contributor.authorGossmann, Toni I.
dc.contributor.authorAliabadian, Mansour
dc.date.accessioned2025-06-16T08:25:57Z
dc.date.available2025-06-16T08:25:57Z
dc.date.issued2025-04-24
dc.description.abstractExploring genetic diversity is essential for precise species delimitation, especially within taxonomically complex groups like passerine birds. Traditional morphological methods often fail to resolve species boundaries; however, DNA barcoding, particularly through the mitochondrial cytochrome c oxidase subunit I (COI) gene, provides a powerful complementary method for accurate species identification. This study establishes a comprehensive DNA barcode library for Iranian passerine birds, analyzing 546 COI sequences from 94 species across 23 families and 53 genera. There is a pronounced barcode gap, with average intraspecific divergence at 0.41% and interspecific divergence at 18.6%. Notable intraspecific variation emerged in the Persian nuthatch (Sitta tephronota) and the Lesser whitethroat (Curruca curruca), while the European goldfinch (Carduelis carduelis) and the grey-crowned goldfinch (Carduelis caniceps) showed limited genetic differentiation despite marked morphological distinctions. Phylogenetic analysis revealed significant east-west genetic splits in C. curruca and S. tephronota, reflecting Iran’s geographic and zoogeographic boundaries. These findings demonstrate the effectiveness of DNA barcoding in elucidating biogeographic patterns, emphasizing Iran’s key role as an ornithological crossroads for avian biodiversity. Moreover, our results suggest that much of the genetic variation in the COI gene arises from synonymous mutations, highlighting the role of purifying selection in shaping mtDNA diversity across species.en
dc.identifier.urihttp://hdl.handle.net/2003/43745
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-25519
dc.language.isoen
dc.relation.ispartofseriesZooKeys; 1236
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCOI geneen
dc.subjectGenetic diversityen
dc.subjectSelectionen
dc.subjectSpecies delimitationen
dc.subject.ddc660
dc.titleDNA barcoding of passerine birds in Iranen
dc.typeText
dc.type.publicationtypeResearchArticle
dcterms.accessRightsopen access
eldorado.secondarypublicationtrue
eldorado.secondarypublication.primarycitationJavaheri Tehrani, S., Rezazadeh, E., Alaei Kakhki, N., Nourani, L., Ebadi, V., Karimi, S., Karami, M., Ashouri, F., Sarshar, A., Goßmann, T., & Aliabadian, M. (2025). DNA barcoding of passerine birds in Iran. ZooKeys, 1236, 19–39. https://doi.org/10.3897/zookeys.1236.143336
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.3897/zookeys.1236.143336

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