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Membrane topology of the cyanobacterial bicarbonate transporter, SbtA, and identification of potential regulatory loops

Price, Graeme (Dean); Shelden, Megan; Howitt, Susan


The transporter SbtA is a high affinity Na+-dependent HCO3- uptake system present in a majority of cyanobacterial clades. It functions in conjunction with CO2 uptake systems and other HCO3- uptake systems to allow cyanobacteria to accumulate high levels of HCO3- used to support efficient photosynthetic CO2 fixation via the CO2 concentrating mechanism in these species. The phoA/lacZ fusion reporter method was used to determine the membrane topology of the cyanobacterial bicarbonate transporter,...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Molecular Membrane Biology
DOI: 10.3109/09687688.2011.593049


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