AtKUP/HAK/KT9, a K+ Transporter from Arabidopsis thaliana, Mediates Cs+ Uptake in Escherichia coli

Daisuke Kobayashi; Nobuyuki Uozumi; Shun'ichi Hisamatsu; Mutsumi Yamagami

doi:10.1271/bbb.90638

AtKUP/HAK/KT9, a K⁺ Transporter from Arabidopsis thaliana, Mediates Cs⁺ Uptake in Escherichia coli

Daisuke Kobayashi, Nobuyuki Uozumi, Shun'ichi Hisamatsu, Mutsumi Yamagami

ENG - Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

Although cesium is known to be absorbed by plants, the pathway by which cesium enters has not been identified. We found that the AtKUP/HAK/KT9 gene from Arabidopsis thaliana was functionally expressed in a potassium transport-deficient Escherichia coli mutant. AtKUP/HAK/KT9 mediated potassium uptake as well as cesium transport. We found that AtKUP/HAK/KT9 might be involved in the pathway in questions.

Original language	English
Pages (from-to)	203-205
Number of pages	3
Journal	Bioscience, Biotechnology and Biochemistry
Volume	74
Issue number	1
DOIs	https://doi.org/10.1271/bbb.90638
Publication status	Published - 2010

Keywords

AtKUP/HAK/KT9
Cesium transport
Potassium transporter

ASJC Scopus subject areas

Biotechnology
Analytical Chemistry
Biochemistry
Applied Microbiology and Biotechnology
Molecular Biology
Organic Chemistry

Access to Document

10.1271/bbb.90638

Cite this

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title = "AtKUP/HAK/KT9, a K+ Transporter from Arabidopsis thaliana, Mediates Cs+ Uptake in Escherichia coli",

abstract = "Although cesium is known to be absorbed by plants, the pathway by which cesium enters has not been identified. We found that the AtKUP/HAK/KT9 gene from Arabidopsis thaliana was functionally expressed in a potassium transport-deficient Escherichia coli mutant. AtKUP/HAK/KT9 mediated potassium uptake as well as cesium transport. We found that AtKUP/HAK/KT9 might be involved in the pathway in questions.",

keywords = "AtKUP/HAK/KT9, Cesium transport, Potassium transporter",

author = "Daisuke Kobayashi and Nobuyuki Uozumi and Shun'ichi Hisamatsu and Mutsumi Yamagami",

note = "Funding Information: We thank Dr. Evert P. Bakker for providing LB2003. This study was supported by the Government of Aomori Prefecture and by Grants-in-Aid for Scientific Research (17078005, 20246044) to N.U. from Ministry of Education, Culture, Sports, Science and Technology and Japan Society for the Promotion of Science.",

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AU - Kobayashi, Daisuke

AU - Uozumi, Nobuyuki

AU - Hisamatsu, Shun'ichi

AU - Yamagami, Mutsumi

N1 - Funding Information: We thank Dr. Evert P. Bakker for providing LB2003. This study was supported by the Government of Aomori Prefecture and by Grants-in-Aid for Scientific Research (17078005, 20246044) to N.U. from Ministry of Education, Culture, Sports, Science and Technology and Japan Society for the Promotion of Science.

PY - 2010

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N2 - Although cesium is known to be absorbed by plants, the pathway by which cesium enters has not been identified. We found that the AtKUP/HAK/KT9 gene from Arabidopsis thaliana was functionally expressed in a potassium transport-deficient Escherichia coli mutant. AtKUP/HAK/KT9 mediated potassium uptake as well as cesium transport. We found that AtKUP/HAK/KT9 might be involved in the pathway in questions.

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