Articles tagged with Barcodes
A team of neuroscientists proposes a new method to assemble the 'connectome' via genetic barcoding, which uses high-throughput DNA sequencing to probe neural connectivity at the resolution of single neurons. This approach promises to be much faster and cheaper than current methods.
Researchers at Harvard's Wyss Institute engineer a new kind of DNA barcode that can come in an almost limitless array of styles, allowing for vastly more vital information to be gathered from cell samples. The method harnesses the natural ability of DNA to self-assemble, enabling low-cost and robust cellular imaging.
Researchers use molecular signatures to detect mutated virus strains, identifying characteristic changes in cells. The technique helps predict the severity of infection and assess potential impact on health.
Scientists have identified sections in the DNA of living beings as 'DNA barcodes' that differ among species, allowing for fast and accurate identification. The project aims to collect over 5,000 plant samples using these markers to monitor environmental effects and track species.
The newly discovered Antispila oinophylla species, originating from eastern North America, is found to infest Italian vineyards, particularly on Chardonnay, Cabernet Sauvignon, and Muscat grapes. The leafminer's life cycle and distribution have been studied in detail, highlighting the potential economic impact of this invasive species.
Researchers developed a visual tool to help doctors assess patients' pain levels by analyzing their movement patterns, providing a more precise assessment than traditional questionnaires. The new 'barcode' tool offers a dynamic view of a patient's condition, enabling doctors to monitor progress and adapt treatment accordingly.
Researchers in France have developed a way to deposit thin aluminum RFID tags on paper using thermal evaporation, reducing the cost of RFID tagging. This approach could enable single printed sheets or flyers to be tagged and open up RFID tagging to more systems.
DNA barcoding technology is being deployed to identify quack herbal medicines, reveal ancient Arctic life and expose what eats what in nature. The technique has sparked US Congressional hearings by exposing widespread 'fish fraud' and will be used to halt agricultural and forestry pests at borders.
A study published in the Nature journal Scientific Reports found that many tea and herbal products contain unlisted ingredients, including weeds and plants from various families. The research used DNA barcoding technology to identify unknown species in 70 tea products and 60 herbal products, revealing a total of 25 unexpected ingredients.
Scientists have identified a key pheromone, darcin, responsible for male mouse 'sex appeal.' This chemical stimulates females to remember individual males and prefer them over others. By understanding the role of darcin, researchers may develop new methods for pest control and gain insights into animal behavior.
The International Barcode of Life (iBOL) project has received a significant funding boost, totaling $80 million from Canadian agencies. The new funding will support the expansion of DNA barcode data and informatics platforms to facilitate species identification and discovery.
Researchers found that mescal contains DNA of the agave butterfly caterpillar, despite only using 40% ethanol. The discovery enables the development of inexpensive and non-invasive genetic analysis protocols for preserved specimens.
Scientists have discovered DNA from the agave butterfly caterpillar in mescal liquor, confirming their theory that preserved specimens can leak into preservative liquids. This breakthrough allows for non-invasive genetic analysis protocols, reducing the need for tissue samples or DNA extraction.
Two NYC high school students used DNA barcoding techniques to discover a zoo of 95 animal species in their homes, including invasive insects and fish. They also found evidence of food fraud, with 11 out of 66 food products mislabeled, posing health risks to consumers.
Scientists are using DNA barcoding to unravel secrets of ancient plant and animal remains, revealing how life on Earth responded to global climate change. The technology is also being used to identify species in gut contents, soils, and marine life, with important conservation implications.
Researchers have sequenced DNA barcodes for 25 hunted wildlife species to monitor the elusive trade of wildlife products. The barcodes can help crack down on illegal bushmeat trafficking and support conservation efforts.
A new DNA barcoding tool has been developed to track endangered sea turtles, distinguishing between species based on short genetic sequences. The research found that all seven sea turtle species can be consistently distinguished from each other by DNA barcodes.
Researchers have published genetic sequences, known as 'DNA barcodes,' to identify species of origin from leather products and meat in international trade. The study, led by the American Museum of Natural History, identifies 25 commonly traded mammals and reptiles, including duikers, Nile crocodiles, and alligators.
A team of scientists, including those from the University of Toronto, identified two genes for cataloging the world's plants. DNA barcoding allows rapid classification using a short genetic marker in an organism's DNA.
Two UBC researchers are part of an international team recommending standards for DNA barcoding of land plants. They selected two genomic regions as the best candidates for generating barcode data, with a near-unique signature for barcoding and high accuracy in identifying plant species.
The Integrated Blood-Barcode Chip (IBBC) is a revolutionary diagnostic tool that measures protein concentrations from just a pinprick of blood. The device offers a significant improvement over traditional laboratory tests, reducing costs and time by orders of magnitude.
A new study from Brigham Young University warns that the current DNA barcoding technique may be inaccurately identifying species, leading to overestimation of species numbers. The technique relies on a universal genetic marker, but errors can occur when 'numts' (inactive genetic code) are misinterpreted as unique species.
Researchers found that barcoded technology is not fool-proof and nurses develop workarounds to compensate for its limitations. The study highlights 31 causes of problems with barcode systems, including unreadable medication-barcodes, malfunctioning scanners, and non-barcoded-medications.
Researchers used DNA barcoding to identify 190 species of Canadian freshwater fish, representing a significant advance for conservation practices. The approach was successful in 93% of cases, offering promise for species-level identification and management.
NOAA researchers are part of the FISH-BOL initiative, a global effort to barcode marine and freshwater species. This allows for fast and accurate identification of species, including larval fish and fishery products.
A unique DNA gene, matK, has been identified as a potential 'barcode' for plants, allowing for easy identification and cataloging of different species. This discovery could lead to new methods for identifying plant ingredients in traditional medicines and monitoring endangered species.
A new light trap design has led to the discovery of a new species of goby, with DNA barcoding technology confirming its unique genetic profile. The capture of larvae using the innovative trap provided access to previously inaccessible species, shedding new light on marine biodiversity.
The Smithsonian is a key player in the Barcode of Life Initiative, which aims to revolutionize species identification using DNA barcoding. With over 280,000 records, this technique has practical applications for food safety, disease prevention, and environmental monitoring.
Experts will assess progress and global priorities in DNA barcoding, a field with potential applications in disease prevention, environmental monitoring, and consumer protection. The conference aims to share latest insights and techniques among scientists and officials.
Researchers have assembled a genetic portrait of birdlife in the U.S. and Canada, identifying 15 new species that are nearly indistinguishable from human eyes and ears. The team also successfully logged DNA attributes of 87 bat species of Guyana, revealing six new species.
The new barcode system uses biosensing nanowires with different metal stripes to detect a variety of pathogens. This technology can be used to identify sensitive single and multiplex immunoassays that simulate biowarfare agents, making it easier to detect bio threats in the field.
Researchers have developed a hand-held device that enables people with disabilities, including autism and Down's syndrome, to communicate using barcodes. The B.A. Bar has been shown to be more effective than simple pictures in helping users learn to speak and become more independent.
A new study revisits DNA barcoding for species identification and discovery, finding it performs well in highly characterized groups but error-prone for novel species. A comprehensive database of over 2,000 cowrie COI sequences reveals the need for refinement and collaboration with taxonomists.
A study published in PLoS Biology demonstrates the effectiveness of DNA barcoding in identifying species. Using a specific gene, researchers correctly identified 260 North American bird species with unique genetic barcodes. The findings suggest that this method could advance life cataloging efforts but require further validation.
Researchers discover two distinct COI barcodes in each of four species: solitary sandpiper, eastern meadowlark, marsh wren and warbling vireo. The findings indicate that these species should be split, confirming suspicions among taxonomists.
Researchers use microarray technology to identify genes involved in DNA repair and other cellular processes in yeast. The method allows for rapid identification of gene functions, accelerating efforts to understand the role of genes in various biological processes.
Researchers at Penn State University and SurroMed, Inc. have developed a novel method for encoding information on the submicron scale using microscopic metallic barcodes. These patterned metallic particles can simultaneously monitor multiple biological reactions in very small volumes of fluid.
The NASA-developed Data Matrix symbol technology offers high-capacity marking in a small space, with applications in various industries such as automotive and electronics. The technology enables permanent identification of parts and products, even when protected by coatings or other obstacles.