Spatial Distribution and Temporal Variation of the Rice Silicon Transporter Lsi1
Rice (Oryza sativa) is a typical silicon (Si) accumulator and requires a large amount of Si for high-yield production. Recently, a gene (Low silicon rice1 [Lsi1]) encoding a Si transporter was identified in rice roots. Here, we characterized Lsi1 in terms of spatial distribution and temporal variati...
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| Veröffentlicht in: | Plant physiology (Bethesda) 2007-03, Vol.143 (3), p.1306-1313 |
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| creator | Yamaji, Naoki Ma, Jian Feng |
| description | Rice (Oryza sativa) is a typical silicon (Si) accumulator and requires a large amount of Si for high-yield production. Recently, a gene (Low silicon rice1 [Lsi1]) encoding a Si transporter was identified in rice roots. Here, we characterized Lsi1 in terms of spatial distribution and temporal variation using both physiological and molecular approaches. Results from a multicompartment transport box experiment showed that the major site for Si uptake was located at the basal zone (>10 mm from the root tip) of the roots rather than at the root tips ( |
| doi_str_mv | 10.1104/pp.106.093005 |
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Recently, a gene (Low silicon rice1 [Lsi1]) encoding a Si transporter was identified in rice roots. Here, we characterized Lsi1 in terms of spatial distribution and temporal variation using both physiological and molecular approaches. Results from a multicompartment transport box experiment showed that the major site for Si uptake was located at the basal zone (>10 mm from the root tip) of the roots rather than at the root tips (<10 mm from the root tip). Consistent with the Si uptake pattern, Lsi1 expression and distribution of the Lsi1 protein were found only in the basal zone of roots. In the basal zones of the seminal, crown, and lateral roots, the Lsi1 protein showed a polar localization at the distal side of both the exodermis and endodermis, where the Casparian bands are formed. This indicates that Lsi1 is required for the transport of Si through the cells of the exodermis and endodermis. Expression of Lsi1 displayed a distinct diurnal pattern. Furthermore, expression was transiently enhanced around the heading stage, which coincides with a high Si requirement during this growth stage. Expression was down-regulated by dehydration stress and abscisic acid, suggesting that expression of Lsi1 may be regulated by abscisic acid.</description><identifier>ISSN: 0032-0889</identifier><identifier>EISSN: 1532-2548</identifier><identifier>DOI: 10.1104/pp.106.093005</identifier><identifier>PMID: 17259286</identifier><identifier>CODEN: PPHYA5</identifier><language>eng</language><publisher>Rockville, MD: American Society of Plant Biologists</publisher><subject>Abscisic Acid - pharmacology ; Biological and medical sciences ; Cell physiology ; Cell walls ; Circadian Rhythm ; Dehydration ; Endodermis ; Epidermal cells ; Fundamental and applied biological sciences. Psychology ; Gene Expression Regulation, Plant - drug effects ; Molecular Sequence Data ; Oryza - drug effects ; Oryza - metabolism ; Plant physiology and development ; Plant Proteins - analysis ; Plant Proteins - metabolism ; Plant Proteins - physiology ; Plant roots ; Plant Roots - metabolism ; Plants ; Plasma membrane and permeation ; Promoter regions ; Rice ; Root tips ; Roots ; Silicon ; Silicon - metabolism ; Spatial distribution ; Whole Plant and Ecophysiology</subject><ispartof>Plant physiology (Bethesda), 2007-03, Vol.143 (3), p.1306-1313</ispartof><rights>Copyright 2007 American Society of Plant Biologists</rights><rights>2007 INIST-CNRS</rights><rights>Copyright American Society of Plant Physiologists Mar 2007</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c565t-57e772b7bb9f5a915e24bdfd53fbefe7f3c8241019c84c8bd2f4866870092cf3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/40065302$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/40065302$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18610596$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17259286$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yamaji, Naoki</creatorcontrib><creatorcontrib>Ma, Jian Feng</creatorcontrib><title>Spatial Distribution and Temporal Variation of the Rice Silicon Transporter Lsi1</title><title>Plant physiology (Bethesda)</title><addtitle>Plant Physiol</addtitle><description>Rice (Oryza sativa) is a typical silicon (Si) accumulator and requires a large amount of Si for high-yield production. Recently, a gene (Low silicon rice1 [Lsi1]) encoding a Si transporter was identified in rice roots. Here, we characterized Lsi1 in terms of spatial distribution and temporal variation using both physiological and molecular approaches. Results from a multicompartment transport box experiment showed that the major site for Si uptake was located at the basal zone (>10 mm from the root tip) of the roots rather than at the root tips (<10 mm from the root tip). Consistent with the Si uptake pattern, Lsi1 expression and distribution of the Lsi1 protein were found only in the basal zone of roots. In the basal zones of the seminal, crown, and lateral roots, the Lsi1 protein showed a polar localization at the distal side of both the exodermis and endodermis, where the Casparian bands are formed. This indicates that Lsi1 is required for the transport of Si through the cells of the exodermis and endodermis. Expression of Lsi1 displayed a distinct diurnal pattern. Furthermore, expression was transiently enhanced around the heading stage, which coincides with a high Si requirement during this growth stage. Expression was down-regulated by dehydration stress and abscisic acid, suggesting that expression of Lsi1 may be regulated by abscisic acid.</description><subject>Abscisic Acid - pharmacology</subject><subject>Biological and medical sciences</subject><subject>Cell physiology</subject><subject>Cell walls</subject><subject>Circadian Rhythm</subject><subject>Dehydration</subject><subject>Endodermis</subject><subject>Epidermal cells</subject><subject>Fundamental and applied biological sciences. 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Psychology</topic><topic>Gene Expression Regulation, Plant - drug effects</topic><topic>Molecular Sequence Data</topic><topic>Oryza - drug effects</topic><topic>Oryza - metabolism</topic><topic>Plant physiology and development</topic><topic>Plant Proteins - analysis</topic><topic>Plant Proteins - metabolism</topic><topic>Plant Proteins - physiology</topic><topic>Plant roots</topic><topic>Plant Roots - metabolism</topic><topic>Plants</topic><topic>Plasma membrane and permeation</topic><topic>Promoter regions</topic><topic>Rice</topic><topic>Root tips</topic><topic>Roots</topic><topic>Silicon</topic><topic>Silicon - metabolism</topic><topic>Spatial distribution</topic><topic>Whole Plant and Ecophysiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamaji, Naoki</creatorcontrib><creatorcontrib>Ma, Jian Feng</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Plant physiology (Bethesda)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yamaji, Naoki</au><au>Ma, Jian Feng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatial Distribution and Temporal Variation of the Rice Silicon Transporter Lsi1</atitle><jtitle>Plant physiology (Bethesda)</jtitle><addtitle>Plant Physiol</addtitle><date>2007-03-01</date><risdate>2007</risdate><volume>143</volume><issue>3</issue><spage>1306</spage><epage>1313</epage><pages>1306-1313</pages><issn>0032-0889</issn><eissn>1532-2548</eissn><coden>PPHYA5</coden><abstract>Rice (Oryza sativa) is a typical silicon (Si) accumulator and requires a large amount of Si for high-yield production. Recently, a gene (Low silicon rice1 [Lsi1]) encoding a Si transporter was identified in rice roots. Here, we characterized Lsi1 in terms of spatial distribution and temporal variation using both physiological and molecular approaches. Results from a multicompartment transport box experiment showed that the major site for Si uptake was located at the basal zone (>10 mm from the root tip) of the roots rather than at the root tips (<10 mm from the root tip). Consistent with the Si uptake pattern, Lsi1 expression and distribution of the Lsi1 protein were found only in the basal zone of roots. In the basal zones of the seminal, crown, and lateral roots, the Lsi1 protein showed a polar localization at the distal side of both the exodermis and endodermis, where the Casparian bands are formed. This indicates that Lsi1 is required for the transport of Si through the cells of the exodermis and endodermis. Expression of Lsi1 displayed a distinct diurnal pattern. Furthermore, expression was transiently enhanced around the heading stage, which coincides with a high Si requirement during this growth stage. Expression was down-regulated by dehydration stress and abscisic acid, suggesting that expression of Lsi1 may be regulated by abscisic acid.</abstract><cop>Rockville, MD</cop><pub>American Society of Plant Biologists</pub><pmid>17259286</pmid><doi>10.1104/pp.106.093005</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Plant physiology (Bethesda), 2007-03, Vol.143 (3), p.1306-1313 |
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| language | eng |
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| source | MEDLINE; JSTOR Archive Collection A-Z Listing; Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals |
| subjects | Abscisic Acid - pharmacology Biological and medical sciences Cell physiology Cell walls Circadian Rhythm Dehydration Endodermis Epidermal cells Fundamental and applied biological sciences. Psychology Gene Expression Regulation, Plant - drug effects Molecular Sequence Data Oryza - drug effects Oryza - metabolism Plant physiology and development Plant Proteins - analysis Plant Proteins - metabolism Plant Proteins - physiology Plant roots Plant Roots - metabolism Plants Plasma membrane and permeation Promoter regions Rice Root tips Roots Silicon Silicon - metabolism Spatial distribution Whole Plant and Ecophysiology |
| title | Spatial Distribution and Temporal Variation of the Rice Silicon Transporter Lsi1 |
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