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Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth
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| Zeitschriftentitel: | Proceedings of the National Academy of Sciences |
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| Personen und Körperschaften: | , , , , , , |
| In: | Proceedings of the National Academy of Sciences, 111, 2014, 28, S. 10377-10382 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Proceedings of the National Academy of Sciences
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| Schlagwörter: |
| author_facet |
Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing |
|---|---|
| author |
Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing |
| spellingShingle |
Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing Proceedings of the National Academy of Sciences Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth Multidisciplinary |
| author_sort |
li, gang |
| spelling |
Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.1401680111 <jats:title>Significance</jats:title> <jats:p> The positive feedback loop between the auxin pathway and actin cytoskeleton is essential for auxin self-organizing responsive signaling during plant development; however, its underlying mechanism remains largely unknown. Here, we showed that an actin-binding protein, rice morphology determinant (RMD), acts as a key component mediating the auxin–actin loop pathway, affecting cell growth and morphogenesis. Auxin directly promotes <jats:italic>RMD</jats:italic> expression via binding of <jats:italic>Oryza sativa</jats:italic> auxin response factor 23 (OsARF23) and OsARF24 heterodimers on the <jats:italic>RMD</jats:italic> promoter, triggering changes in F-actin organization. In turn, RMD-dependent F-actin arrays affect auxin intracellular signaling, including polar auxin transport, localization and recycling of auxin efflux carriers, and auxin distribution in root cells. Our work identifies RMD as a key link in the auxin–actin self-organizing regulatory loop that is required for auxin-mediated cell growth. </jats:p> Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth Proceedings of the National Academy of Sciences |
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| title |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_unstemmed |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_full |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_fullStr |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_full_unstemmed |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_short |
Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_sort |
rice actin-binding protein rmd is a key link in the auxin–actin regulatory loop that controls cell growth |
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Multidisciplinary |
| url |
http://dx.doi.org/10.1073/pnas.1401680111 |
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2014 |
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10377-10382 |
| description |
<jats:title>Significance</jats:title>
<jats:p>
The positive feedback loop between the auxin pathway and actin cytoskeleton is essential for auxin self-organizing responsive signaling during plant development; however, its underlying mechanism remains largely unknown. Here, we showed that an actin-binding protein, rice morphology determinant (RMD), acts as a key component mediating the auxin–actin loop pathway, affecting cell growth and morphogenesis. Auxin directly promotes
<jats:italic>RMD</jats:italic>
expression via binding of
<jats:italic>Oryza sativa</jats:italic>
auxin response factor 23 (OsARF23) and OsARF24 heterodimers on the
<jats:italic>RMD</jats:italic>
promoter, triggering changes in F-actin organization. In turn, RMD-dependent F-actin arrays affect auxin intracellular signaling, including polar auxin transport, localization and recycling of auxin efflux carriers, and auxin distribution in root cells. Our work identifies RMD as a key link in the auxin–actin self-organizing regulatory loop that is required for auxin-mediated cell growth.
</jats:p> |
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| author | Li, Gang, Liang, Wanqi, Zhang, Xiaoqing, Ren, Haiyun, Hu, Jianping, Bennett, Malcolm J., Zhang, Dabing |
| author_facet | Li, Gang, Liang, Wanqi, Zhang, Xiaoqing, Ren, Haiyun, Hu, Jianping, Bennett, Malcolm J., Zhang, Dabing, Li, Gang, Liang, Wanqi, Zhang, Xiaoqing, Ren, Haiyun, Hu, Jianping, Bennett, Malcolm J., Zhang, Dabing |
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| description | <jats:title>Significance</jats:title> <jats:p> The positive feedback loop between the auxin pathway and actin cytoskeleton is essential for auxin self-organizing responsive signaling during plant development; however, its underlying mechanism remains largely unknown. Here, we showed that an actin-binding protein, rice morphology determinant (RMD), acts as a key component mediating the auxin–actin loop pathway, affecting cell growth and morphogenesis. Auxin directly promotes <jats:italic>RMD</jats:italic> expression via binding of <jats:italic>Oryza sativa</jats:italic> auxin response factor 23 (OsARF23) and OsARF24 heterodimers on the <jats:italic>RMD</jats:italic> promoter, triggering changes in F-actin organization. In turn, RMD-dependent F-actin arrays affect auxin intracellular signaling, including polar auxin transport, localization and recycling of auxin efflux carriers, and auxin distribution in root cells. Our work identifies RMD as a key link in the auxin–actin self-organizing regulatory loop that is required for auxin-mediated cell growth. </jats:p> |
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| spelling | Li, Gang Liang, Wanqi Zhang, Xiaoqing Ren, Haiyun Hu, Jianping Bennett, Malcolm J. Zhang, Dabing 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.1401680111 <jats:title>Significance</jats:title> <jats:p> The positive feedback loop between the auxin pathway and actin cytoskeleton is essential for auxin self-organizing responsive signaling during plant development; however, its underlying mechanism remains largely unknown. Here, we showed that an actin-binding protein, rice morphology determinant (RMD), acts as a key component mediating the auxin–actin loop pathway, affecting cell growth and morphogenesis. Auxin directly promotes <jats:italic>RMD</jats:italic> expression via binding of <jats:italic>Oryza sativa</jats:italic> auxin response factor 23 (OsARF23) and OsARF24 heterodimers on the <jats:italic>RMD</jats:italic> promoter, triggering changes in F-actin organization. In turn, RMD-dependent F-actin arrays affect auxin intracellular signaling, including polar auxin transport, localization and recycling of auxin efflux carriers, and auxin distribution in root cells. Our work identifies RMD as a key link in the auxin–actin self-organizing regulatory loop that is required for auxin-mediated cell growth. </jats:p> Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth Proceedings of the National Academy of Sciences |
| spellingShingle | Li, Gang, Liang, Wanqi, Zhang, Xiaoqing, Ren, Haiyun, Hu, Jianping, Bennett, Malcolm J., Zhang, Dabing, Proceedings of the National Academy of Sciences, Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth, Multidisciplinary |
| title | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_full | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_fullStr | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_full_unstemmed | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_short | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_sort | rice actin-binding protein rmd is a key link in the auxin–actin regulatory loop that controls cell growth |
| title_unstemmed | Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1073/pnas.1401680111 |