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November 2014 Blog Posts (3)

What is inside the jar? Forensically informative nucleotide sequencing (FINS) of a short mitochondrial COI gene fragment reveals a high percentage of mislabeling in jellyfish food products

The jellyfish belonging to the Rhizostomeae order are a typical Asian seafood and are nowadays also marketed in

theWestern countries. The jellyfish species used for food cannot be identified due to the loss of themorphological

characteristics during processing. In this work, a pre-extraction treatment consisting of desalting under running

water for 48 h, followed by incubation in 400mM EDTA solution for 1 h, was developed for products containing

high concentration of salts.…


Added by Andrea Armani on November 5, 2014 at 9:19am — No Comments

DNA Barcoding at Plant Species

Hi! I am Phd. student in Marmara University of Istanbul,Turkey. I am working on DNA barcoding with Colchicum species using MatK, RbcL and PsbA-trnH barcodes. I want to ask a question about the DNA barcoding. We have got 49 Colchicum species that including 168 populations. For example one species including 11 populations. I completed DNA sequencing with RbcL barcode. I want to know will I use the consensus alignment or converse region between populations in the…


Added by Ezgi Çabuk Şahin on November 4, 2014 at 6:59am — No Comments

DNA and Mini-DNA Barcoding for the identification of Porgies species (family Sparidae) of commercial interest on the international market. Food Control DOI: 10.1016/j.foodcont.2014.09.025

The morphological similarity among Sparidae species, which are characterized by a different market price, represents a serious problem for their trade and for stock management, since it encourages fraud for substitution. The most accredited morphological method for their identification is based on the dental-plate, but this approach is not simple and cannot be used for prepared products. When molecular methods are used the DNA degradation induced by cooking is the main drawback. In…


Added by Andrea Armani on November 1, 2014 at 4:13pm — No Comments

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