Involvement of arm2 in the uptake of indole-3-butyric acid in rice (Oryza sativa L.) roots

Tory Chhun; Shin Taketa; Masahiko Ichii; Seiji Tsurumi

doi:10.1093/pcp/pci117

Involvement of arm2 in the uptake of indole-3-butyric acid in rice (Oryza sativa L.) roots

Tory Chhun, Shin Taketa, Masahiko Ichii, Seiji Tsurumi

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

10 Citations (Scopus)

Abstract

Auxin influx carriers are involved in auxin transport and plant development. Here we show that the mutant of rice (Oryza sativa L. ssp. indica cv IR8) arm2 is defective in the uptake of the naturally occurring auxin indole-3-butyric acid (IBA). The acropetal and basipetal transport of IBA is reduced in arm2 roots compared with wild type. In contrast, arm2 roots are normal with respect to uptake and transport of indole-3-acetic acid (IAA). Furthermore, arm2 roots are resistant to IBA but respond normally to IAA. The mutant analysis of arm2 indicates the presence of an influx carrier system for IBA in rice roots. JSPP

Original language	English
Pages (from-to)	1161-1164
Number of pages	4
Journal	Plant and Cell Physiology
Volume	46
Issue number	7
DOIs	https://doi.org/10.1093/pcp/pci117
Publication status	Published - Jul 2005
Externally published	Yes

Keywords

Auxin influx carrier
Auxin transport
IAA
IBA
Oryza sativa L.
Rice root

ASJC Scopus subject areas

Physiology
Plant Science
Cell Biology

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@article{e3274b79719042c28c70a1d6ae752f12,

title = "Involvement of arm2 in the uptake of indole-3-butyric acid in rice (Oryza sativa L.) roots",

abstract = "Auxin influx carriers are involved in auxin transport and plant development. Here we show that the mutant of rice (Oryza sativa L. ssp. indica cv IR8) arm2 is defective in the uptake of the naturally occurring auxin indole-3-butyric acid (IBA). The acropetal and basipetal transport of IBA is reduced in arm2 roots compared with wild type. In contrast, arm2 roots are normal with respect to uptake and transport of indole-3-acetic acid (IAA). Furthermore, arm2 roots are resistant to IBA but respond normally to IAA. The mutant analysis of arm2 indicates the presence of an influx carrier system for IBA in rice roots. JSPP",

keywords = "Auxin influx carrier, Auxin transport, IAA, IBA, Oryza sativa L., Rice root",

author = "Tory Chhun and Shin Taketa and Masahiko Ichii and Seiji Tsurumi",

note = "Funding Information: This work was supported in part by Grants-in-Aid for Scientific Research 1604177 from the Ministry of Education, Culture, Sports, Science and Technology of Japan to S.T.",

year = "2005",

month = jul,

doi = "10.1093/pcp/pci117",

language = "English",

volume = "46",

pages = "1161--1164",

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T1 - Involvement of arm2 in the uptake of indole-3-butyric acid in rice (Oryza sativa L.) roots

AU - Chhun, Tory

AU - Taketa, Shin

AU - Ichii, Masahiko

AU - Tsurumi, Seiji

N1 - Funding Information: This work was supported in part by Grants-in-Aid for Scientific Research 1604177 from the Ministry of Education, Culture, Sports, Science and Technology of Japan to S.T.

PY - 2005/7

Y1 - 2005/7

N2 - Auxin influx carriers are involved in auxin transport and plant development. Here we show that the mutant of rice (Oryza sativa L. ssp. indica cv IR8) arm2 is defective in the uptake of the naturally occurring auxin indole-3-butyric acid (IBA). The acropetal and basipetal transport of IBA is reduced in arm2 roots compared with wild type. In contrast, arm2 roots are normal with respect to uptake and transport of indole-3-acetic acid (IAA). Furthermore, arm2 roots are resistant to IBA but respond normally to IAA. The mutant analysis of arm2 indicates the presence of an influx carrier system for IBA in rice roots. JSPP

AB - Auxin influx carriers are involved in auxin transport and plant development. Here we show that the mutant of rice (Oryza sativa L. ssp. indica cv IR8) arm2 is defective in the uptake of the naturally occurring auxin indole-3-butyric acid (IBA). The acropetal and basipetal transport of IBA is reduced in arm2 roots compared with wild type. In contrast, arm2 roots are normal with respect to uptake and transport of indole-3-acetic acid (IAA). Furthermore, arm2 roots are resistant to IBA but respond normally to IAA. The mutant analysis of arm2 indicates the presence of an influx carrier system for IBA in rice roots. JSPP

KW - Auxin influx carrier

KW - Auxin transport

KW - IAA

KW - IBA

KW - Oryza sativa L.

KW - Rice root

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Involvement of arm2 in the uptake of indole-3-butyric acid in rice (Oryza sativa L.) roots

Abstract

Keywords

ASJC Scopus subject areas

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