Published in
Elsevier, Phytochemistry, (113), p. 33-40
DOI: 10.1016/j.phytochem.2014.05.011
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Tobacco NUP1 transports both tobacco alkaloids and vitamin B6
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Abstract
The tobacco purine permease-family transporter, nicotine uptake permease 1 (NtNUP1), is shown here to import not only tobacco alkaloids but also vitamin B6, demonstrating relaxed substrate preference to compounds containing a pyridine ring.