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tag brewing genetics genomics

Yeast Made to Harvest Light Hint at Evolution’s Past
Kamal Nahas, PhD | Feb 21, 2024 | 6 min read
Scientists transferred light-harvesting proteins into yeast for the first time, shining a light on the past lives of eukaryotic cells.
Will Genomics Spoil Gene Ownership?
Douglas Steinberg | Sep 3, 2000 | 8 min read
Consider a scenario for the year 2002: Using commercially available software, bioprospector "Craig Collins" spends a day scavenging the Human Genome Project (HGP) database for the alternatively spliced genes prized by Wall Street. He enters the sequences of several candidate genes into a software package that prints out the likely functions of their protein products. One protein looks like it could be pharmaceutical paydirt, so he isolates the corresponding cDNA, inserts it into a vector, then
A Test Bed for Budding Technologies
Aileen Constans | Jul 4, 2004 | 6 min read
DELETION BY DESIGN:Courtesy of Guci GiaeverThe deletion cassette module used to delete each yeast gene contains two 74-basepair tags upstream and downstream (UPTAG and DNTAG) of the KanMX gene, which confers resistance to the drug geneticin. UPTAG and DNTAG contain 18 basepairs of genomic sequence to flank the yeast's open reading frame, and U1 and U2, or D1 and D2 PCR primers for amplifying a unique 20-basepair TAG region-the so-called molecular barcode. A second round of PCR adds 45 base-pairs
Yeast: An Attractive, Yet Simple Model
Gregory Smutzer | Sep 16, 2001 | 9 min read
Yeast possesses many characteristics that make it especially useful as a model system in the laboratory, including an entirely sequenced genome. Recently, a number of researchers published studies detailing the transition from genome sequencing to functional genomics. Notably, these scientists have developed new high-throughput approaches to the characterization of large numbers of yeast genes. In aggregate, these studies make yeast one of the most well-characterized eukaryotic organisms known.
The Yeast Two-hybrid Assay
Mark Greener(mgreener@the-scientist.com) | Aug 28, 2005 | 8 min read
No protein is an island.
Scientists Debate RNA's Role At Beginning Of Life On Earth
Ricki Lewis | Mar 30, 1997 | 9 min read
Sidebar: RNA's Role at Beginning of Life - For Further Information Before there was life, there were chemicals. The idea that ribonucleic acid (RNA), because of its catalytic capability and multiple roles in protein synthesis, was the chemical that led directly to life is termed the RNA world hypothesis. Although the phrase "RNA world" is generally attributed to Walter Gilbert, Harvard University's Carl M. Loeb University Professor, in a short 1986 paper, the idea of RNA's importance at the beg
Detecting Tumors from Shed DNA
Douglas Steinberg | May 13, 2001 | 7 min read
Medical institutions across the United States will begin recruiting volunteers next month for a study that its investigators and outside observers describe as groundbreaking. They say it is the first large-scale trial to test the feasibility of using DNA shed by tumors to find early-stage cancer. During the three-year government-funded project, researchers will analyze DNA from stool samples to detect patterns characteristic of colorectal cancer (CRC). The study will have two other notable fe

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