New microneedle technique speeds plant disease detection

Researchers have developed a new technique that uses microneedle patches to collect DNA from plant tissues in one minute, rather than the hours needed for conventional techniques. DNA extraction is the first step in identifying ...

DNA analysis of a horseracing legend

A new chapter in the story of Phar Lap is about to be added by the University of Sydney as it leads an attempt to sequence the famous horse's DNA.

NEC plans DNA analyzer for nearly-instant results

(Phys.org)—NEC is working on a DNA analyzer that is the size of a suitcase, portable enough to be taken to crime scenes. The NEC analyzer integrates all steps required in DNA analysis. By 2014, NEC intends to issue a model ...

DNA from old insects -- no need to destroy the specimen

In a new study published April 1 in the online, open-access, peer-reviewed journal PLoS ONE, ancient DNA (aDNA) is retrieved from various insect remains without destruction of the specimens.

Many microbiome studies flawed by contamination

Many published microbiome studies are likely to have been contaminated and may incorrectly report the presence of microorganisms unintentionally introduced from the laboratory environment, says a study published in the open ...

Spinal tap: Using cactus spines to isolate DNA

Isolation of DNA from some organisms is a routine procedure. For example, you can buy a kit at your local pharmacy or grocery store that allows you to swab the inside of your cheek and send the sample for DNA sequencing. ...

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