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Alpha-ketoglutarate: Small Metabolite With Big Influence on Stem Cell Pluripotency

December 15, 2014

Many of us go through the morning ritual of picking up store-brewed coffee, although we could just as easily make it ourselves. Most mammalian cells feel the same about glutamine, which they require in abundance, even though glutamine is a non-essential amino acid. Now, stem cell researchers from Memorial Sloan Kettering Cancer Center show that glutamine […]

Newly Evolved Ribozyme Is Proof-of-principle for the Origin of Life

December 13, 2014

Life is complicated. While that does apply to ordering your daily caffeine fix at Starbucks, what we’re talking about here is darwinian, entropy-defying, self-replicating life. Just to store, read, and apply genetic information requires 3 different types of molecules: DNA, RNA, and proteins. That makes it tough to imagine how life could ooze into being in […]

CRISPR Heavyweight Cas9 K.O.’s 30 Million Bases

November 25, 2014

Cas9 has already been shown to be able to knock out up to kilobase-size fragments of DNA, making it a big hitter in the world of genome editing. But one of the biggest enemies for researchers using such tools is the diploid karyotype, which impairs the study of the effects of a mutation or of […]

CRISPR and Stem Cells Team Up Against HIV

November 17, 2014

To this day Timothy Ray Brown, otherwise known as the Berlin Patient, is the only person cured after infection with the human immunodeficiency virus (HIV). The cure came in a fortuitous form; a stem cell transplant used to treat his leukemia came from a donor with natural resistant to HIV. Soon after, researchers discovered that […]

A Little Negativity Can Go a Long Way with Protein-Based Genome Editing

November 12, 2014

In today’s culture negativity is usually frowned upon; maintaining a positive outlook is almost essential to a successful scientific career, but an innovative team of researchers have put some negativity to good use in improving transfection of genome editing complexes using negatively charged proteins and nucleic acid transfection reagents. Conventional protein-based therapeutics usually focus on […]

Polymerases are Key Influencers in Homologous Recombination Events

November 5, 2014

Gene targeting by homologous recombination can be variable and researchers are itching to understand what key factors underlie variable success in editing experiments. Could it be an unfavorable chromatin environment, repetitive sequences, or maybe just bad luck? An unrelenting group of researchers at the University of Washington recently set out to shed some light on the genomic elements […]

in vivo CRISPR Takes Aim at Key DNA Methylation Players in the Brain

October 31, 2014

Adding to the ever growing potential of genome editing, one of the latest breakthroughs from the lab of Feng Zhang at the Broad Institute of MIT and Harvard puts CRISPR/Cas9 to the test with an interesting research trifecta of: in vivo genome editing focused on the brain genome editing that targeted DNA methylation machinery including key readers and writers. both […]

A CRISPR Way to Create Fusions

October 31, 2014

As CRISPR continues to evolve into the laboratory version of a Swiss Army Knife, it’s not surprising that another innovative research team have used the approach in a slick way; in this case to engineer of oncogenic chromosomal rearrangements. Chromosomal rearrangements, gene fusions, deletions and inversions are classical hallmarks of cancer. These re-arrangements lead to […]

Epigram: Predicting the Human Epigenome from DNA Motifs

October 16, 2014

There’s no denying the power of technology in our lives, whether it be your latest and greatest iPhone bending in your pocket or it be getting the technology to do something more useful, like predict the entire epigenome and how it functions in the regulation of gene expression. We’ve always loved a good tool and/or […]

Enhancers Share their Genome Editing Turn Ons (and Offs)

October 13, 2014

Tired of not knowing what really turns an enhancer on? You’re not alone, but luckily an inquisitive team of researchers out of Cambridge spent some serious time targeting enhancers by throwing some genome editing wizardry at them. The team, led by Pentao Liu, systematically compared how the TALE effectors and CRISPR targeting tools fare in […]

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