Membrane topology of the cyanobacterial bicarbonate transporter, SbtA, and identification of potential regulatory loops
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]
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|Source:||Molecular Membrane Biology|
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