Results 261 to 270 of about 1,695,496 (296)

Defining operational taxonomic units using DNA barcode data [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2005
The scale of diversity of life on this planet is a significant challenge for any scientific programme hoping to produce a complete catalogue, whatever means is used.
Mark Blaxter   +2 more
exaly   +6 more sources

Quantifying uncertainty of taxonomic placement in DNA barcoding and metabarcoding [PDF]

open access: yesMethods in Ecology and Evolution, 2017
A crucial step in the use of DNA markers for biodiversity surveys is the assignment of Linnaean taxonomies (species, genus, etc.) to sequence reads. This allows the use of all the information known based on the taxonomic names. Taxonomic placement of DNA
Charles C Y Xu   +2 more
exaly   +6 more sources

PROTAX-GPU: a scalable probabilistic taxonomic classification system for DNA barcodes

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences
DNA-based identification is vital for classifying biological specimens, yet methods to quantify the uncertainty of sequence-based taxonomic assignments are scarce. Challenges arise from noisy reference databases, including mislabelled entries and missing taxa.
Graham Taylor   +2 more
exaly   +4 more sources
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DNA barcoding and taxonomic validation ofCaranxspp. larvae

Journal of the Marine Biological Association of the United Kingdom, 2021
AbstractOf the five nominal species in the genusCaranxLacepède 1801 distributed throughout the Eastern Central Pacific,Caranx caballusandCaranx sexfasciatusare the only two that have formal fish larval descriptions based on diagnostic characteristics (morphology, meristics and pigmentation).
Claudia A. Silva-Segundo   +5 more
openaire   +1 more source

Integrating DNA barcode data and taxonomic practice: Determination, discovery, and description

BioEssays, 2010
AbstractDNA barcodes, like traditional sources of taxonomic information, are potentially powerful heuristics in the identification of described species but require mindful analytical interpretation. The role of DNA barcoding in generating hypotheses of new taxa in need of formal taxonomic treatment is discussed, and it is emphasized that the recursive ...
Paul Z, Goldstein, Rob, DeSalle
openaire   +2 more sources

DNA barcoding: a taxonomic point of view

Journal of the North American Benthological Society, 2011
AbstractA taxonomic perspective of deoxyribonucleic acid (DNA) barcoding is presented here with respect to its use within the freshwater science community. The goals and methods of DNA barcoding and the criticisms leveled at the procedure by the taxonomic community are explained.
openaire   +1 more source

TAXONOMIC ASSESSMENT OF CURCULIGO ORCHIOIDES USING matK AND rbcL DNA BARCODES

SABRAO Journal of Breeding and Genetics, 2022
Curculigo orchioides is most commonly used as an imperative medicinal plant in Vietnam. The plant roots are mainly used to treat sexual dysfunction, back pain, arthritis, nephritis, jaundice, and infertility. Given the high market demand in the herbal market, C. orchioides traders commonly adulterate with other similar plants for illegitimate benefits.
V.T. HO, T.Q. DINH, T.H. NGUYEN
openaire   +1 more source

DNA Barcodes in Taxonomic Descriptions

This chapter discusses methods for incorporating DNA barcode information into formal taxonomic descriptions. We first review what a formal description entails and then discuss previous attempts to incorporate barcode information into taxonomic descriptions. Several computer programs are listed that extract diagnostics from DNA barcode data. Finally, we
Andrew V Z, Brower, Robert, DeSalle
openaire   +2 more sources

DNA barcoding of Cuban freshwater fishes: evidence for cryptic species and taxonomic conflicts

Molecular Ecology Resources, 2010
AbstractDespite ongoing efforts to protect species and ecosystems in Cuba, habitat degradation, overuse and introduction of alien species have posed serious challenges to native freshwater fish species. In spite of the accumulated knowledge on the systematics of this freshwater ichthyofauna, recent results suggested that we are far from having a ...
Ariagna, Lara   +6 more
openaire   +2 more sources

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