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MRC Laboratory of Molecular Biology

MRC Laboratory of Molecular Biology

One of the world's leading research institutes, our scientists are working to advance understanding of biological processes at the molecular level - providing the knowledge needed to solve key problems in human health.

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Insight on Research

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First high-resolution 3D structure of a DNA origami object

Many processes in biology rely on the relative position and orientation of interacting molecules. However, because of their small size and the constant thermal fluctuations that they experience in solution, molecules are very difficult to observe and control. In the field of nano-technology, researchers have developed a technique to construct nano-scaled 3D objects out of DNA.

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Published on 21st November, 2012

Fruit fly research highlights key mechanism in organ formation

Katja Röper, Independent Investigator Scientist in the LMB’s Cell Biology Division, has discovered a key mechanism of tissue and organ formation in fruit flies that might also apply in vertebrates.
Many organs in both vertebrates and invertebrates, such as the gut, liver, kidney, vasculature and lung, are tubular in structure. The formation of tubular structures through processes collectively called tubulogenesis is a key process of organ formation in all animals.

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Published on 16th November, 2012

The proteasome: a vital amino acid recycling machine

The proteasome is essential for the controlled degradation of a large number of unwanted or damaged proteins in all cells and thereby controls virtually every cellular process. While it has long been known that inhibition of proteasome degradation is lethal, the underlying mechanisms have remained elusive.
Anne Bertolotti’s group, in the LMB’s Neurobiology Division, have discovered that proteasome inhibition causes a lethal amino acid imbalance in yeast, mammalian cells and Drosophila.

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Published on 19th October, 2012

First insight into peptide-receptor interaction

LMB scientists, Chris Tate and Yoko Shibata, have collaborated with researchers from the National Institutes of Health (NIH), USA, to provide the first detailed description of how a neuropeptide hormone, neurotensin, interacts with its receptor.
Neurotensin modulates nerve cell activity in the brain. When bound to its receptor it commences a series of reactions in nerve cells, and is involved in temperature regulation, pain and digestive processes.

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Published on 15th October, 2012

Sweet answer to the origins of life

New research, from John Sutherland and Dougal Ritson in the LMB’s PNAC division, delivers a breakthrough in the chemistry of the origin of life. Whilst some maintain that life formed elsewhere in the Universe and was transported to earth, the duo’s findings, published in Nature Chemistry, suggest that the genetic material essential for all known life originated from nothing more than our primitive planet’s atmosphere and the minerals on its surface.

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Published on 1st October, 2012

New insight into common mutations in human cancers

One of the most commonly mutated genes in human cancers is the lipid kinase PIK3CA (phosphoinositide 3-kinase alpha). Mutations can activate this enzyme, resulting in proliferation of tumour cells and resistance to programmed cell death or apoptosis.

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Published on 6th September, 2012
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