The jasmonate-responsive GTR1 transporter is required for gibberellin-mediated stamen development in Arabidopsis

被引：125

作者：

Saito, Hikaru ^{[1
]}

Oikawa, Takaya ^{[2
]}

Hamamoto, Shin ^{[3
]}

Ishimaru, Yasuhiro ^{[2
]}

Kanamori-Sato, Miyu ^{[1
]}

Sasaki-Sekimoto, Yuko ^{[4
]}

Utsumi, Tomoya ^{[1
]}

Chen, Jing ^{[1
]}

Kanno, Yuri ^{[5
]}

Masuda, Shinji ^{[4
,6
]}

Kamiya, Yuji ^{[5
]}

Seo, Mitsunori ^{[5
]}

Uozumi, Nobuyuki ^{[3
]}

Ueda, Minoru ^{[2
]}

Ohta, Hiroyuki ^{[1
,4
]}

机构：

[1] Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, Midori Ku, Yokohama, Kanagawa 2268501, Japan

[2] Tohoku Univ, Grad Sch Sci, Aoba Ku, Sendai, Miyagi 9800845, Japan

[3] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

[4] Tokyo Inst Technol, Earth Life Sci Inst, Meguro Ku, Tokyo 1528551, Japan

[5] RIKEN, Ctr Sustainable Resource Sci, Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan

[6] Tokyo Inst Technol, Ctr Biol Resources & Informat, Midori Ku, Yokohama, Kanagawa 2268501, Japan

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

关键词：

PROTEIN CONTROLS; AUXIN TRANSPORT; DEFENSE; TRANSLOCATION; FLOWER; GROWTH; GENES; IDENTIFICATION; BIOSYNTHESIS; ENANTIOMERS;

D O I：

10.1038/ncomms7095

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Plant hormones are transported across cell membranes during various physiological events. Recent identification of abscisic acid and strigolactone transporters suggests that transport of various plant hormones across membranes does not occur by simple diffusion but requires transporter proteins that are strictly regulated during development. Here, we report that a major glucosinolate transporter, GTR1/NPF2.10, is multifunctional and may be involved in hormone transport in Arabidopsis thaliana. When heterologously expressed in oocytes, GTR1 transports jasmonoyl-isoleucine and gibberellin in addition to glucosinolates. gtr1 mutants are severely impaired in filament elongation and anther dehiscence resulting in reduced fertility, but these phenotypes can be rescued by gibberellin treatment. These results suggest that GTR1 may be a multifunctional transporter for the structurally distinct compounds glucosinolates, jasmonoyl-isoleucine and gibberellin, and may positively regulate stamen development by mediating gibberellin supply.

引用

页数：11

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