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the claim

DNA barcoding of animals involves the analysis of a standardized segment of the mitochondrial cytochrome c oxidase subunit 1 gene.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
10 sources for · 0 against

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Is it true that DNA barcoding of animals involves the analysis of a standardized segment of the mitochondrial cytochrome c oxidase subunit 1 gene?

Yes. Extensive scientific literature confirms that animal DNA barcoding relies on the analysis of a standardized segment of the mitochondrial cytochrome c oxidase subunit 1 gene.

Verdict: SUPPORTED · 10 sources for, 0 against · Last checked

The analysis

The claim is a well-established scientific fact regarding the standard methodology of animal DNA barcoding, which was originally proposed by Hebert et al. and is uniformly supported across numerous taxonomic studies in the retrieved literature.

Evidence for · 10
Global cytochrome c oxidase subunit I analysis reveals mitochondrial conservation in Camelus dromedarius with clear interspecific separation from other camelids.
2026
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N, S., H, B., M, B. S., R, B., S, B. A., & F, D. (2026). Global cytochrome c oxidase subunit I analysis reveals mitochondrial conservation in Camelus dromedarius with clear interspecific separation from other camelids.. doi.org. https://doi.org/10.1007/s11033-026-12105-1

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More for · 9
COI Barcoding Unveils Hidden Fish Diversity and Potential Cryptic Lineages in Inner Mongolia, China.
2026
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Y, Z., M, W., Z, L., J, Y., K, M., X, S., M, Z., S, Q., Y, L., C, W., Y, T., B, G., X, L., & C, Z. (2026). COI Barcoding Unveils Hidden Fish Diversity and Potential Cryptic Lineages in Inner Mongolia, China.. doi.org. https://doi.org/10.1002/ece3.74258

<b>COX1 gene as a promising tool for barcoding different species of <i>Euplotes</i> (Ciliophora: Euplotidae)</b>.
2026
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MM, T. & NA, L. (2026). <b>COX1 gene as a promising tool for barcoding different species of <i>Euplotes</i> (Ciliophora: Euplotidae)</b>.. doi.org. https://doi.org/10.11646/zootaxa.5837.2.9

Assessing the effectiveness of DNA barcoding in shark identification.
2026
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W, X., Y, D., X, C., & X, L. (2026). Assessing the effectiveness of DNA barcoding in shark identification.. doi.org. https://doi.org/10.1016/j.forsciint.2026.113043

Full-length COI barcodes improve eDNA metabarcoding data denoising relative to mini-barcodes
2026
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MH, E., S, V., K, S., A, H., M, M., L, T., KM, A., P, A., C, A., BC, E., & S, A. (2026). Full-length COI barcodes improve eDNA metabarcoding data denoising relative to mini-barcodes. doi.org. https://doi.org/10.64898/2026.07.03.736260

DNA barcode markers for birds of the genus Sporophila: advances in species identification.
2026
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JC, D. R., AA, d. M., R, N., LAM, B., LCF, S., & MP, d. C. T. (2026). DNA barcode markers for birds of the genus Sporophila: advances in species identification.. doi.org. https://doi.org/10.1007/s11033-026-12530-2

DNA barcoding of Philippine cave-dwelling bats (Chiroptera) in Tabaco cave using the cytochrome c oxidase subunit I (COI) gene
2026
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Cammayo*, J. C. (2026). DNA barcoding of Philippine cave-dwelling bats (Chiroptera) in Tabaco cave using the cytochrome c oxidase subunit I (COI) gene. doi.org. https://doi.org/10.12692/ijb/28.2.159-169

Cytochrome c oxidase subunit 1 gene as a DNA barcode for discriminating Trypanosoma cruzi DTUs and closely related species.
2017
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Rodrigues, M. S., Morelli, K. A., & Jansen, A. M. (2017). Cytochrome c oxidase subunit 1 gene as a DNA barcode for discriminating Trypanosoma cruzi DTUs and closely related species.. doi.org. https://doi.org/10.1186/s13071-017-2457-1

Four years of DNA barcoding: current advances and prospects.
2008
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Frézal, L. & Leblois, R. (2008). Four years of DNA barcoding: current advances and prospects.. doi.org. https://doi.org/10.1016/j.meegid.2008.05.005

Barcoding animal life: cytochrome c oxidase subunit 1 divergences among closely related species.
2003
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Hebert, P. D. N., Ratnasingham, S., & deWaard, J. R. (2003). Barcoding animal life: cytochrome c oxidase subunit 1 divergences among closely related species.. doi.org. https://doi.org/10.1098/rsbl.2003.0025

What does the evidence say?

The claim is a well-established scientific fact regarding the standard methodology of animal DNA barcoding, which was originally proposed by Hebert et al. and is uniformly supported across numerous taxonomic studies in the retrieved literature.

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