Aquaporin OsPIP1;1 promotes rice salt resistance and seed germination

Published by Elsevier Masson SAS.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 63(2013) vom: 08. Feb., Seite 151-8
1. Verfasser: Liu, Chengwei (VerfasserIn)
Weitere Verfasser: Fukumoto, Tatsuya, Matsumoto, Tadashi, Gena, Patrizia, Frascaria, Daniele, Kaneko, Tomoyuki, Katsuhara, Maki, Zhong, Shihua, Sun, Xiaoli, Zhu, Yanming, Iwasaki, Ikuko, Ding, Xiaodong, Calamita, Giuseppe, Kitagawa, Yoshichika
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Aquaporins Plant Proteins Water 059QF0KO0R Sodium Chloride 451W47IQ8X
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520 |a OsPIP1;1 is one of the most abundant aquaporins in rice leaves and roots and is highly responsible to environmental stresses. However, its biochemical and physiological functions are still largely unknown. The oocyte assay data showed OsPIP1;1 had lower water channel activity in contrast to OsPIP2;1. EGFP and immunoelectron microscopy studies revealed OsPIP1;1 was predominantly localized in not only plasma membrane but also in some ER-like intracellular compartments in the cells. OsPIP1;1 exhibited low water channel activity in Xenopus oocytes but coexpression of OsPIP2;1 significantly enhanced its water permeability. Stop-flow assay indicated that 10His-OsPIP1;1-reconstituted proteoliposomes had significantly higher water permeability than the control liposomes. Overexpression of OsPIP1;1 greatly altered many physiological features of transgenic plants in a dosage-dependent manner. Moderate expression of OsPIP1;1 increased rice seed yield, salt resistance, root hydraulic conductivity, and seed germination rate. This work suggests OsPIP1;1 functions as an active water channel and plays important physiological roles 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Plant Proteins  |2 NLM 
650 7 |a Water  |2 NLM 
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650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
700 1 |a Fukumoto, Tatsuya  |e verfasserin  |4 aut 
700 1 |a Matsumoto, Tadashi  |e verfasserin  |4 aut 
700 1 |a Gena, Patrizia  |e verfasserin  |4 aut 
700 1 |a Frascaria, Daniele  |e verfasserin  |4 aut 
700 1 |a Kaneko, Tomoyuki  |e verfasserin  |4 aut 
700 1 |a Katsuhara, Maki  |e verfasserin  |4 aut 
700 1 |a Zhong, Shihua  |e verfasserin  |4 aut 
700 1 |a Sun, Xiaoli  |e verfasserin  |4 aut 
700 1 |a Zhu, Yanming  |e verfasserin  |4 aut 
700 1 |a Iwasaki, Ikuko  |e verfasserin  |4 aut 
700 1 |a Ding, Xiaodong  |e verfasserin  |4 aut 
700 1 |a Calamita, Giuseppe  |e verfasserin  |4 aut 
700 1 |a Kitagawa, Yoshichika  |e verfasserin  |4 aut 
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773 1 8 |g volume:63  |g year:2013  |g day:08  |g month:02  |g pages:151-8 
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