Horizontal genomics with bats and birds
…81 of 87 species had distinct COI barcodes with average intraspecific variation of 0.6%. In the remaining 6 species, 15 distinct mitochondrial lineages were found which likely represent overlooked cryptic…
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Fungal database a Tower of Babel, needs rebuilding
…Chalmers University of Technology, Sweden, and University of Tartu, Estonia, examined the taxonomic reliability of the 51,534 fungal internal transcribed spacer (ITS) sequences in the International Nucleotide Sequence Database (ie…
Encyclopedia of Life dream comes true
…essential genetic “index” for locating species pages in the Encylopedia of Life. The best-trained human mind can identify a few thousand species. Comprehensive DNA barcode libraries and inexpensive, portable sequence…
Iterative cycle of taxonomic and DNA sequence re-assessment essential for reliable barcode databases
…determining the post-mortem interval. Identifications of adult flies requires specialized taxonomic knowledge and even experts have difficulty identifying egg and larval stages and the fragments of decomposed insects that may…
Tea Barcode published
…names. One-third of herbal teas had ingredients not listed on the label–including weeds such as annual bluegrass and herbal plants such as chamomile. More on their Tea Barcode of Life…
Updated IQOE Evaluation and 12the Newsletter
…the Global Oceans on 22-25 January 2024 Jesse Ausubel, Ed Urban, and Peter Tyack updated the evaluation of the International Quiet Ocean Experiment. IQOE’s 12th Newsletter is now also online….
DNA helps sort out really big animals, crowding Ark
…haplotypes. The mtDNA sequences clustered into six reciprocally monophyletic lineages, which corresponded to groupings according to pelage pattern and regional location, and were largely concordant with subspecies designations. Genetic distances…
Freshwater fish DNA data debut
…species, 0.3%; average minimum distance between congeneric species (nearest neighbor), 8.3%; species with overlapping mtDNA sequences, 7% (4 species pairs and 1 flock of 5 species; one of the overlapping…
Barcode High
The November/December 2011 online issue of The Scientist published an article by Mark on the High School Barcode Project, Barcode High….
DNA differences first step in describing new spider species
…far. A search in GenBank for Order Araneae (spiders) shows 9,445 sequences (representing any gene) from 1,852 species (4.6% world total of 40,432 species (World Spider Catalog)). Looking at mitochondrial…