Structural studies of bacterial nucleic acid transport proteins (360G-Wellcome-109137_Z_15_A)

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Horizontal gene transfer contributes to genetic plasticity in bacteria and is of great clinical relevance as it contributes to the spread of antibiotic resistance genes. One mechanism of horizontal gene transfer in bacteria is transformation. While the phenomenon of transformation has been known for many decades, little is known about the mechanistic steps of exogenous DNA uptake into bacterial cells. The most obvious problem is how the DNA gets past the cell envelopes. ComEC is believed to be the protein that forms an aqueous pore that allows transport of DNA into the cytoplasm through the bacterial plasma membrane. The protein represents a novel transport protein, and no structural and very little functional information is available. The aim of the project is to structurally and functionally characterize ComEC proteins using modern protein expression and screening techniques, advanced structural approaches (X-ray crystallography, cryo-electron microscopy) and functional studies (fluorescence microscopy, biophysics), in order to build a model for DNA transport across the plasma membrane into the cytoplasm.

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Grant Details

Amount Awarded 0
Applicant Surname Silale
Approval Committee Internal Decision Panel
Award Date 2017-01-31T00:00:00+00:00
Financial Year 2016/17
Grant Programme: Title PhD Studentship (Basic)
Internal ID 109137/Z/15/A
Lead Applicant Dr Augustinas Silale
Partnership Value 0
Planned Dates: End Date 2019-09-30T00:00:00+00:00
Planned Dates: Start Date 2016-10-01T00:00:00+00:00
Recipient Org: Country United Kingdom
Region South East