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Influence of atmospheric oxygen on leaf structure and starch deposition in Arabidopsis thaliana
Plant culture in oxygen concentrations below ambient is known to stimulate vegetative growth, but apart from reports on increased leaf number and weight, little is known about development at subambient oxygen concentrations. Arabidopsis thaliana (L.) Heynh. (cv. Columbia) plants were grown full term...
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| Published in: | Plant, cell and environment cell and environment, 2001-04, Vol.24 (4), p.419-428 |
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| container_end_page | 428 |
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| container_title | Plant, cell and environment |
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| creator | Ramonell, K. M. Kuang, A. Porterfield, D. M. Crispi, M. L. Xiao, Y. McClure, G. Musgrave, M. E. |
| description | Plant culture in oxygen concentrations below ambient is known to stimulate vegetative growth, but apart from reports on increased leaf number and weight, little is known about development at subambient oxygen concentrations. Arabidopsis thaliana (L.) Heynh. (cv. Columbia) plants were grown full term in pre-mixed atmospheres with oxygen partial pressures of 2.5, 5.1, 10.1, 16.2, and 21.3 kPa O2, 0.035 kPa CO2 and the balance nitrogen under continuous light. Fully expanded leaves were harvested and processed for light and transmission electron microscopy or for starch quantification. Growth in subambient oxygen concentrations caused changes in leaf anatomy (increased thickness, stomatal density and starch content) that have also been described for plants grown under carbon dioxide enrichment. However, at the lowest oxygen treatment (2.5 kPa), developmental changes occurred that could not be explained by changes in carbon budget caused by suppressed photorespiration, resulting in very thick leaves and a dwarf morphology. This study establishes the leaf parameters that change during growth under low O2, and identifies the lower concentration at which O2 limitation on transport and biosynthetic pathways detrimentally affects leaf development. Grant numbers: NAG5-3756, NAG2-1020, NAG2-1375. |
| doi_str_mv | 10.1046/j.1365-3040.2001.00691.x |
| format | article |
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M. ; Kuang, A. ; Porterfield, D. M. ; Crispi, M. L. ; Xiao, Y. ; McClure, G. ; Musgrave, M. E.</creator><creatorcontrib>Ramonell, K. M. ; Kuang, A. ; Porterfield, D. M. ; Crispi, M. L. ; Xiao, Y. ; McClure, G. ; Musgrave, M. E.</creatorcontrib><description>Plant culture in oxygen concentrations below ambient is known to stimulate vegetative growth, but apart from reports on increased leaf number and weight, little is known about development at subambient oxygen concentrations. Arabidopsis thaliana (L.) Heynh. (cv. Columbia) plants were grown full term in pre-mixed atmospheres with oxygen partial pressures of 2.5, 5.1, 10.1, 16.2, and 21.3 kPa O2, 0.035 kPa CO2 and the balance nitrogen under continuous light. Fully expanded leaves were harvested and processed for light and transmission electron microscopy or for starch quantification. Growth in subambient oxygen concentrations caused changes in leaf anatomy (increased thickness, stomatal density and starch content) that have also been described for plants grown under carbon dioxide enrichment. However, at the lowest oxygen treatment (2.5 kPa), developmental changes occurred that could not be explained by changes in carbon budget caused by suppressed photorespiration, resulting in very thick leaves and a dwarf morphology. This study establishes the leaf parameters that change during growth under low O2, and identifies the lower concentration at which O2 limitation on transport and biosynthetic pathways detrimentally affects leaf development. Grant numbers: NAG5-3756, NAG2-1020, NAG2-1375.</description><identifier>ISSN: 0140-7791</identifier><identifier>EISSN: 1365-3040</identifier><identifier>DOI: 10.1046/j.1365-3040.2001.00691.x</identifier><identifier>PMID: 11676444</identifier><identifier>CODEN: PLCEDV</identifier><language>eng</language><publisher>Legacy CDMS: Blackwell Science Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Arabidopsis ; Arabidopsis - drug effects ; Arabidopsis - growth & development ; Arabidopsis - metabolism ; Arabidopsis - ultrastructure ; Biological and medical sciences ; Biological Transport - drug effects ; Brassinosteroids ; Carbon Dioxide - pharmacology ; Cell Respiration ; cell size ; Cholestanols - metabolism ; Dose-Response Relationship, Drug ; Economic plant physiology ; Fundamental and applied biological sciences. Psychology ; Growth and development ; leaf ultrastructure ; Life Sciences (General) ; Microscopy, Electron ; Mitochondria - drug effects ; Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence ; Oxygen - pharmacology ; Partial Pressure ; Photosynthesis ; Physical agents ; Plant Leaves - drug effects ; Plant Leaves - growth & development ; Plant Leaves - metabolism ; Plant Leaves - ultrastructure ; Plant physiology and development ; Plastids - drug effects ; Space life sciences ; Starch - biosynthesis ; Starch - metabolism ; Steroids, Heterocyclic - metabolism ; Vegetative apparatus, growth and morphogenesis. Senescence</subject><ispartof>Plant, cell and environment, 2001-04, Vol.24 (4), p.419-428</ispartof><rights>Blackwell Science Ltd</rights><rights>2001 INIST-CNRS</rights><rights>Copyright Blackwell Science Ltd. 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M.</creatorcontrib><creatorcontrib>Kuang, A.</creatorcontrib><creatorcontrib>Porterfield, D. M.</creatorcontrib><creatorcontrib>Crispi, M. L.</creatorcontrib><creatorcontrib>Xiao, Y.</creatorcontrib><creatorcontrib>McClure, G.</creatorcontrib><creatorcontrib>Musgrave, M. E.</creatorcontrib><title>Influence of atmospheric oxygen on leaf structure and starch deposition in Arabidopsis thaliana</title><title>Plant, cell and environment</title><addtitle>Plant Cell Environ</addtitle><description>Plant culture in oxygen concentrations below ambient is known to stimulate vegetative growth, but apart from reports on increased leaf number and weight, little is known about development at subambient oxygen concentrations. Arabidopsis thaliana (L.) Heynh. (cv. Columbia) plants were grown full term in pre-mixed atmospheres with oxygen partial pressures of 2.5, 5.1, 10.1, 16.2, and 21.3 kPa O2, 0.035 kPa CO2 and the balance nitrogen under continuous light. Fully expanded leaves were harvested and processed for light and transmission electron microscopy or for starch quantification. Growth in subambient oxygen concentrations caused changes in leaf anatomy (increased thickness, stomatal density and starch content) that have also been described for plants grown under carbon dioxide enrichment. However, at the lowest oxygen treatment (2.5 kPa), developmental changes occurred that could not be explained by changes in carbon budget caused by suppressed photorespiration, resulting in very thick leaves and a dwarf morphology. This study establishes the leaf parameters that change during growth under low O2, and identifies the lower concentration at which O2 limitation on transport and biosynthetic pathways detrimentally affects leaf development. Grant numbers: NAG5-3756, NAG2-1020, NAG2-1375.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Arabidopsis</subject><subject>Arabidopsis - drug effects</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis - metabolism</subject><subject>Arabidopsis - ultrastructure</subject><subject>Biological and medical sciences</subject><subject>Biological Transport - drug effects</subject><subject>Brassinosteroids</subject><subject>Carbon Dioxide - pharmacology</subject><subject>Cell Respiration</subject><subject>cell size</subject><subject>Cholestanols - metabolism</subject><subject>Dose-Response Relationship, Drug</subject><subject>Economic plant physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Growth and development</subject><subject>leaf ultrastructure</subject><subject>Life Sciences (General)</subject><subject>Microscopy, Electron</subject><subject>Mitochondria - drug effects</subject><subject>Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence</subject><subject>Oxygen - pharmacology</subject><subject>Partial Pressure</subject><subject>Photosynthesis</subject><subject>Physical agents</subject><subject>Plant Leaves - drug effects</subject><subject>Plant Leaves - growth & development</subject><subject>Plant Leaves - metabolism</subject><subject>Plant Leaves - ultrastructure</subject><subject>Plant physiology and development</subject><subject>Plastids - drug effects</subject><subject>Space life sciences</subject><subject>Starch - biosynthesis</subject><subject>Starch - metabolism</subject><subject>Steroids, Heterocyclic - metabolism</subject><subject>Vegetative apparatus, growth and morphogenesis. 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E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of atmospheric oxygen on leaf structure and starch deposition in Arabidopsis thaliana</atitle><jtitle>Plant, cell and environment</jtitle><addtitle>Plant Cell Environ</addtitle><date>2001-04</date><risdate>2001</risdate><volume>24</volume><issue>4</issue><spage>419</spage><epage>428</epage><pages>419-428</pages><issn>0140-7791</issn><eissn>1365-3040</eissn><coden>PLCEDV</coden><notes>CDMS</notes><notes>Legacy CDMS</notes><notes>Present address: Department of Biology, University of Texas – Pan American, Edinburg, TX 78539, USA.</notes><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>Plant culture in oxygen concentrations below ambient is known to stimulate vegetative growth, but apart from reports on increased leaf number and weight, little is known about development at subambient oxygen concentrations. Arabidopsis thaliana (L.) Heynh. (cv. Columbia) plants were grown full term in pre-mixed atmospheres with oxygen partial pressures of 2.5, 5.1, 10.1, 16.2, and 21.3 kPa O2, 0.035 kPa CO2 and the balance nitrogen under continuous light. Fully expanded leaves were harvested and processed for light and transmission electron microscopy or for starch quantification. Growth in subambient oxygen concentrations caused changes in leaf anatomy (increased thickness, stomatal density and starch content) that have also been described for plants grown under carbon dioxide enrichment. However, at the lowest oxygen treatment (2.5 kPa), developmental changes occurred that could not be explained by changes in carbon budget caused by suppressed photorespiration, resulting in very thick leaves and a dwarf morphology. This study establishes the leaf parameters that change during growth under low O2, and identifies the lower concentration at which O2 limitation on transport and biosynthetic pathways detrimentally affects leaf development. Grant numbers: NAG5-3756, NAG2-1020, NAG2-1375.</abstract><cop>Legacy CDMS</cop><pub>Blackwell Science Ltd</pub><pmid>11676444</pmid><doi>10.1046/j.1365-3040.2001.00691.x</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Agronomy. Soil science and plant productions Arabidopsis Arabidopsis - drug effects Arabidopsis - growth & development Arabidopsis - metabolism Arabidopsis - ultrastructure Biological and medical sciences Biological Transport - drug effects Brassinosteroids Carbon Dioxide - pharmacology Cell Respiration cell size Cholestanols - metabolism Dose-Response Relationship, Drug Economic plant physiology Fundamental and applied biological sciences. Psychology Growth and development leaf ultrastructure Life Sciences (General) Microscopy, Electron Mitochondria - drug effects Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence Oxygen - pharmacology Partial Pressure Photosynthesis Physical agents Plant Leaves - drug effects Plant Leaves - growth & development Plant Leaves - metabolism Plant Leaves - ultrastructure Plant physiology and development Plastids - drug effects Space life sciences Starch - biosynthesis Starch - metabolism Steroids, Heterocyclic - metabolism Vegetative apparatus, growth and morphogenesis. Senescence |
| title | Influence of atmospheric oxygen on leaf structure and starch deposition in Arabidopsis thaliana |
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