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Home > Press > Oxford Nanoimaging report on how the super-resolution Nanoimager is being used at Micron Oxford, a multidisciplinary bioimaging unit applying advanced cellular imaging techniques

Florence Wagner of Micron Oxford working with the ONI Nanoimager to study structural maintenance of chromosomes (SMC) complexes at the single molecule level
Florence Wagner of Micron Oxford working with the ONI Nanoimager to study structural maintenance of chromosomes (SMC) complexes at the single molecule level

Abstract:
Oxford Nanoimaging Limited manufacture and sell custom microscopes offering super-resolution and single-molecule capabilities to research users. The multidisciplinary bioimaging unit, Micron Oxford, are using the Nanoimager instrument to advance their cellular imaging techniques for both their facilities and research programs.

Oxford Nanoimaging report on how the super-resolution Nanoimager is being used at Micron Oxford, a multidisciplinary bioimaging unit applying advanced cellular imaging techniques

Oxford, UK | Posted on January 31st, 2017

Micron Oxford is a collaborative, multidisciplinary bioimaging unit working with biomedical researchers in the Oxford area and beyond, to apply advanced light microscopy imaging techniques to address key biological questions. Founded in 2010, Micron is supported by Wellcome Trust strategic funding. It has the remit to push the boundaries of imaging in light microscopy and to provide to its user community cutting edge, versatile tools. Facility Manager, Andrew Jefferson, takes up the story. “We operate in a multidisciplinary scientific environment. Though based in the Department of Biochemistry, our users come from areas and departments across the scientific spectrum; from biology to chemistry, physics and photonics. As part of our remit at Micron, we always look to provide our users with the latest ground-breaking technologies. We have invested in super-resolution microscopy but not had an instrument that was accessible to all levels of user. That was until we discovered the Nanoimager from Oxford Nanoimaging (ONI).”

The Nanoimager is a very small unit with a footprint of just 21 cm x 21 cm. It requires no special infrastructure such a vibration isolation tables, thermally controlled rooms or laser safety equipment. It has been designed at every point within its construction to compensate for both acoustic and vibration issues as well as fluctuations in temperature which are the nemesis of super-resolution techniques. Loading a sample is as simple as pipetting onto a standard microscope slide. Then, very intuitive software guides the user through the selected imaging mode, first to capture raw data and to then process this to reveal ultra-high resolution, single molecule localised images. One of the initial projects is from the Bacterial Chromosome Dynamics group of Professor David Sherratt. Research in the Sherratt group is aimed at understanding how DNA replication, recombination and chromosome segregation shape bacterial chromosome organization in the context of the living cell.

PhD student, Florence Wagner, is using the Nanoimager for in vitro studies of structural maintenance of chromosomes (SMC) complexes. SMC proteins are present in all three domains of life and share a distinctive ring-shaped architecture that is believed to allow them to entrap and possibly reshape DNA molecules. Here she is reconstituting the DNA loading and unloading by SMC complexes purified from Escherichia coli bacteria cells to understand how these proteins interact with the chromosome and how this interaction relates to their biological function. In these experiments, both the proteins and the DNA are labelled with fluorescent dyes in order to image them in real time and characterise the nature and requirements of their association. Observing single SMC complexes as they act on the DNA will allow their function to be understood, as well the manner in which they maintain chromosomal architecture. Understanding how defects influence the function of these proteins is expected to provide insight into the processes associated with a number of diseases and syndromes.

Learn more about the possibilities of benchtop super-resolution and single molecule fluorescence microscopy and its applications at the Oxford Nanoimaging website: www.oxfordni.com.

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About Oxford Nanoimaging Limited
Oxford Nanoimaging Limited manufacture and sell custom microscopes offering super-resolution and single-molecule capabilities to research users.

With initial installations in the UK & USA producing exciting data, Oxford Nanoimaging (ONI) is looking forward to 2017 with installations in Europe and the Far East, from Israel to Japan. Acceptance of the Nanoimager by the microscopy community plus the onset of the presentation of data at conferences is indicative of a bright future for this innovatively small footprint, benchtop super-resolution microscope.

Oxford Nanoimaging originated in the Clarendon Laboratory, Department of Physics at the University of Oxford. Here, Professor Achillefs Kapanidis and PhD student, Bo Jing, lead a collaborative, inter-disciplinary team that has pioneered innovative technologies to produce an elegant benchtop super-resolution microscope. The Nanoimager has a footprint of just 21 cm x 21 cm yet packs the capability in excess of much larger, conventional microscopy platforms delivering super-resolution and single-molecule capabilities. With a significantly lower cost of entry, researchers are now be able to obtain benchtop nanoscale imaging at a fraction of the price of prior systems without the need for a large laboratory and skilled operators. As Professor Kapanidis says, “I wish I had this when I was a graduate student.”

For more information, please click here

Contacts:
Oxford Nanoimaging Limited
King Charles House
Park End Street
Oxford OX1 1JD
T +44 (0)203 319 2170

www.oxfordni.com


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United Kingdom
T +44 (0)1799 521881
M +44 (0)7843 012997
http://www.talking-science.com/

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