Riboflavin transporter is finally identified

Abstract

Riboflavin or vitamin B2 is one of the constituents of energy drinks. Although this compound is known to be absorbed in the intestine and that it circulates throughout the body and is excreted in urine, the transporter(s) responsible for the process was only recently identified. Yamamoto et al. identified this transporter through functional expression of rat orthologues of a putative bacterial riboflavin transporter. © 2011 The Authors. Published by Oxford University Press on behalf of the Japanese Biochemical Society. All rights reserved.