Latest Helices Stories

Scientists Create Rewritable DNA
2012-05-22 13:29:59

Scientists have found a way to create rewritable digital data storage in DNA through means similar to binary coding. The researchers worked to reapply natural enzymes adapted from bacteria to flip specific genetic sequences of DNA back and forth at will. The scientists, who all work in the Department of Bioengineering at Stanford University Medical Center, said their method essentially works like that of binary computer coding. "Essentially, if the DNA section points in one...

2012-05-22 02:49:15

Sometimes, remembering and forgetting are hard to do. "It took us three years and 750 tries to make it work, but we finally did it," said Jerome Bonnet, PhD, of his latest research, a method for repeatedly encoding, storing and erasing digital data within the DNA of living cells. Bonnet, a postdoctoral scholar at Stanford University, worked with graduate student Pakpoom Subsoontorn and assistant professor Drew Endy, PhD, to reapply natural enzymes adapted from bacteria to flip specific...

2012-05-13 23:00:05

Vetted International, Ltd. continues its support of the Department of Defense by providing services to US contractors in the collection and storage of DNA. Raleigh, NC (PRWEB) May 13, 2012 Vetted International, Ltd. (http://www.vetted-intl.com) continues its support of the Department of Defense by providing services to US contractors in the collection and storage of DNA. Generally, all contractor personnel who support U.S. Forces in contingency operations are required to collect and store...

2012-04-09 14:12:27

Development of a new way to make a powerful tool for altering gene sequences should greatly increase the ability of researchers to knock out or otherwise alter the expression of any gene they are studying. The new method allows investigators to quickly create a large number of TALENs (transcription activator-like effector nucleases), enzymes that target specific DNA sequences and have several advantages over zinc-finger nucleases (ZFNs), which have become a critical tool for investigating...

2012-04-09 09:12:55

Discovery may create dialogue about DNA and RNA data bank privacy issues Researchers from Mount Sinai School of Medicine have developed a method to derive enough DNA information from non-DNA sources–such as RNA–to clearly identify individuals whose biological data are stored in massive research repositories. The approach may raise questions regarding the ability to protect individual identity when high-dimensional data are collected for research purposes. A paper introducing...

2012-03-28 13:38:16

Researchers at UCLA and New York University have developed a method to detect sequence differences in individual DNA molecules by taking nanoscopic pictures of the molecules themselves. The work is reported in the Journal of the Royal Society Interface. Using the approach they call "Direct Molecular Recognition," the UCLA and NYU researchers used nanoparticles to turn the DNA molecules into a form of molecular braille that can be read in the scale of nanometers, or one billionth of a...

2012-03-21 15:06:02

Remember Slinky®, the coiled metal spring that "walks" down stairs with just a push, momentum and gravity? Researchers at the National Institute of Standards and Technology (NIST) have developed their own version of this classic–albeit 10 million times smaller–as a novel technology for manipulating and measuring DNA molecules and other nanoscale (billionth of a meter) materials. In the first of two recent papers, Samuel Stavis, Elizabeth Strychalski and colleagues...

Latest Helices Reference Libraries

Brief Introduction To DNA Probes
2014-01-12 00:00:00

DNA probes help scientists to detect a specific gene in a long DNA sequence. According to Dr. Michael A. Pfaller, DNA probes are “single-stranded pieces of nucleic acid, labeled with a specific tracer (isotope, enzyme, or chromophore), that will hydrogen bond (hybridize) with complementary single-stranded pieces of DNA (or RNA) under the appropriate conditions of pH, temperature, and iconic strength.” The Foundation for Genomics and Population Health website has a helpful video about...

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Word of the Day
  • A bat.
The word 'reremouse' comes from Middle English reremous, from Old English hrēremūs, hrērmūs ("bat"), equivalent to rear (“to move, shake, stir”) +‎ mouse.