Article
Characterization and modeling of the borate transporter BOR3 suggest a mode of directional transport.
Plant physiology - 2 Jul 2026
Sotta Naoyuki, Takada Shigeki, Miwa Kyoko, Takano Junpei, Kawata Yukari, Grieneisen Verônica A, Fujiwara Toru, Marée Athanasius F M
Abstract excerpt
In Arabidopsis thaliana, BOR1 and BOR2 are well-characterized borate exporters. The role of the paralog BOR3, however, has remained undetermined. We found that the bor1 bor2 bor3 triple mutant exhibits significantly poorer root elongation than the double bor1 bor2 mutant, suggesting that BOR3 contributes to the uptake of boron from the soil to the inner tissues in the absence of BOR1 and BOR2. In contrast to BOR1...
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