{"refrec":{"BRefID":366319,"RR":"<b>Gendron, E.M.; Sevigny, J.L.; Byiringiro, I.; Thomas, W.K.; Powers, T.O.; Porazinska, D.L.</b> (2023). Nematode mitochondrial metagenomics: a new tool for biodiversity analysis. <i>Mol. Ecol. Resour. 23(5)</i>: 975-989. <a href=\"https://dx.doi.org/10.1111/1755-0998.13761\" target=\"_blank\">https://dx.doi.org/10.1111/1755-0998.13761</a>","BEntID":364041,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mol. Ecol. Resour. 23(5)</i>: 975-989. <a href=\"https://dx.doi.org/10.1111/1755-0998.13761\" target=\"_blank\">https://dx.doi.org/10.1111/1755-0998.13761</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gendron, E.M.; Sevigny, J.L.; Byiringiro, I.; Thomas, W.K.; Powers, T.O.; Porazinska, D.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gendron, E.M. <i>et al.</i>","Englishabstract":"DNA barcoding approaches have greatly increased our understanding of biodiversity on the planet, and metabarcoding is widely used for classifying members of the phylum Nematoda. However, loci typically utilized in metabarcoding studies are often unable to resolve closely related species or are unable to recover all taxa present in a sample due to inadequate PCR primer binding. Mitochondrial metagenomics (mtMG) is an alternative approach utilizing shotgun sequencing of total DNA to recover the mitochondrial genomes of all species present in samples. However, this approach requires a comprehensive reference database for identification and currently available mitochondrial sequences for nematodes are highly dominated by sequences from the order Rhabditida, and excludes many clades entirely. Here, we analysed the efficacy of mtMG for the recovery of nematode taxa and the generation of mitochondrial genomes. We first developed a curated reference database of nematode mitochondrial sequences and expanded it with 40 newly sequenced taxa. We then tested the mito-metagenomics approach using a series of nematode mock communities consisting of morphologically identified nematode species representing various feeding traits, life stages, and phylogenetic relationships. We were able to identify all but two species through the de novo assembly of COX1 genes. We were also able to recover additional mitochondrial protein coding genes (PCGs) for 23 of the 24 detected species including a full array of 12 PCGs from five of the species. We conclude that mtMG offers a potential for the effective recovery of nematode biodiversity but remains limited by the breadth of the reference database.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Nematode mitochondrial metagenomics: a new tool for biodiversity analysis","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:32:11.099431","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-08-28","DateCreate":"2023-08-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000936125100001","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/1755-0998.13761"},"refs":null,"anarec":{"AnaID":366319,"PubliDate":2023,"Pagination":"975-989","XtraPublOfAnaID":null,"ISBN":null,"Volume":"23","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":124120,"SerRR":"Molecular Ecology Resources. 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