epigenetics

Epigenetics and ncRNA Headlines

Get all the latest highlights from the literature and special features covering trending epigenetics, ncRNA, and gene regulation research.

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Chromatin Remodelers In Search of Mr. Right

October 26, 2010

For the first time, the molecular machines known as “chromatin remodelers” have been found to spend much of their time rapidly searching for their nucleosome soulmates. And, just like desperate singles at a Speed Dating party, they keep at it until they find the right one. Chromatin remodelers help organize the genome, control DNA accessibility, […]

The miRNA Trade Deficit in Cancer

October 25, 2010

Balancing imports and exports can be a tough task for any entity. It turns out cancer cells have a major issues when it comes to exporting pre-miRNA between the nucleus and cytoplasm that can have a pretty nasty impact on cellular homeostasis. miRNA expression profiles in tumors typically show a down regulation of miRNA expression. […]

Comparative Epigenomics Branches Out

October 19, 2010

When you’re comparing epigenomes, it’s easy to miss the forest for the trees. Because the epigenetic “fruit” on each nucleotide can vary with factors like cell type, differentiation state, and the environment, it’s often tricky to spot patterns on the epigenome-wide scale. In a recent Nature Biotechnology commentary, Aleksandar Milosavlijevic of the NIH Epigenomics Roadmap […]

How to Tame the Methylome

October 18, 2010

So many ways to analyze genomic DNA methylation, so little time (and money). With so many choices available these days it’s not easy to figure out the best method to use for methylome studies. A new survey of two Nature Biotechnology papers by Stephan Beck from the UK’s University College London puts together the vital […]

miRNA Sponges Making a Big Splash

October 15, 2010

A few years back synthetic miRNA decoys, nicknamed “miRNA sponges”, were developed as an innovative new way to inhibit miRNA activity by bumping up the number of miRNA targets to “soak up” a specific miRNA. Now recent reports are popping up showing evidence that naturally occurring miRNA sponges have been around all along, we just […]

miRNAs Host New Variety Show

October 5, 2010

If variety is the spice of life, then miRNAs are a bowl of 3-alarm Texas chili. A new study in the journal RNA used NextGen sequencing techniques to reveal that miRNAs show quite a bit of sequence variety, even within individual miRNA species. The research, conducted by Lik Wee Lee and colleagues at the Institute […]

Who Says Dnmt1 is Only a Maintenance Methyltransferase?

October 5, 2010

While investigating the in vitro activity of DNA methyltransferases on annealed oligonucleotide substrates, Australian researchers recently found that murine DNA methyltransferase I will quite happily methylate non-CpG sites in DNA bubbles. Jason Ross and Peter Molloy from the CSIRO, in collaboration with Japanese researchers from the Institute for Protein Research in Osaka, observed a high […]

Do Transcription Factors Occupy All their Binding Motifs in the Genome? Not quite.

October 4, 2010

A British team of researchers recently decided to take closer look at the role of DNA methylation in conserved consensus motifs. Dr. Roger Foo from the Department of Medicine, University of Cambridge was nice enough to share a bit about their approach that recently published in BMC Genomics (Sept 2010) last week. Transcription factors recognise […]

O-allylhydroxylamine Threatens Bisulfite’s Gold Standard Status

September 23, 2010

Let’s get ready to rumble! A new reagent, O-allylhydroxylamine, has entered the ring to challenge bisulfite conversion as the undisputed champion of DNA methylation analysis. In the latest issue of Nucleic Acids Research, chemists from Ludwig-Maximillians University in Germany introduced a new chemical reagent that could be a game-changer for distinguishing between cytosine (C) and […]

Heterogeneous DNA Methylation and Biomarkers: It’s Complicated

September 23, 2010

The state of the economy, global climate change, DNA methylation…These are all complicated issues. Well, we found one well-written review article by Thomas Mikeska, Ida Candiloro, and Alexander Dobrovic at the Peter MacCallum Cancer Centre and the University of Melbourne in Australia that tries to put one of those topics, DNA methylation in perspective, at […]

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