Responses of growth and primary metabolism of water-stressed barley roots to rehydration
Barley seedlings were grown in pots in controlled environment chambers and progressive drought treatments were imposed 11d after sowing. Soil water content decreased from 92 to 10% following 14d without watering. Increases of biomass in shoots and roots slowed after 4 and 9d of water stress, respect...
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| Veröffentlicht in: | Journal of plant physiology 2012-05, Vol.169 (7), p.686-695 |
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| creator | Sicher, Richard C. Timlin, Dennis Bailey, Bryan |
| description | Barley seedlings were grown in pots in controlled environment chambers and progressive drought treatments were imposed 11d after sowing. Soil water content decreased from 92 to 10% following 14d without watering. Increases of biomass in shoots and roots slowed after 4 and 9d of water stress, respectively. Thirty barley root metabolites were monitored in this study and 85% were significantly altered by drought. Sucrose, raffinose, glucose, fructose, maltose, malate, asparagine and proline increased and myo-inositol, glycerate, alanine, serine, glycine and glutamate decreased during drought. Primary metabolism was likely involved in various crucial processes during water stress including, osmotic adjustment, nitrogen sequestration and ammonia detoxification. Rates of photosynthesis and stomatal conductance recovered in 2d and shoot growth commenced the 3rd day after rehydration. Root growth also exhibited a lag after rehydration but this was attributed to high nutrient concentrations during water stress. Malate and proline recovered within 1d but serine was only partially reversed 6d after rehydration. Malate, aspartate and raffinose decreased below well-watered, control levels following rehydration. Variation in the magnitude and time necessary for individual compounds to fully recover after rehydration suggested the complexity of metabolic processes initiated by re-watering. |
| doi_str_mv | 10.1016/j.jplph.2012.01.002 |
| format | Article |
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Soil water content decreased from 92 to 10% following 14d without watering. Increases of biomass in shoots and roots slowed after 4 and 9d of water stress, respectively. Thirty barley root metabolites were monitored in this study and 85% were significantly altered by drought. Sucrose, raffinose, glucose, fructose, maltose, malate, asparagine and proline increased and myo-inositol, glycerate, alanine, serine, glycine and glutamate decreased during drought. Primary metabolism was likely involved in various crucial processes during water stress including, osmotic adjustment, nitrogen sequestration and ammonia detoxification. Rates of photosynthesis and stomatal conductance recovered in 2d and shoot growth commenced the 3rd day after rehydration. Root growth also exhibited a lag after rehydration but this was attributed to high nutrient concentrations during water stress. Malate and proline recovered within 1d but serine was only partially reversed 6d after rehydration. Malate, aspartate and raffinose decreased below well-watered, control levels following rehydration. Variation in the magnitude and time necessary for individual compounds to fully recover after rehydration suggested the complexity of metabolic processes initiated by re-watering.</description><identifier>ISSN: 0176-1617</identifier><identifier>EISSN: 1618-1328</identifier><identifier>DOI: 10.1016/j.jplph.2012.01.002</identifier><identifier>PMID: 22285575</identifier><identifier>CODEN: JPPHEY</identifier><language>eng</language><publisher>Munich: Elsevier GmbH</publisher><subject>Amino Acids - metabolism ; Barley ; Biological and medical sciences ; Biomass ; Carboxylic Acids - metabolism ; Dehydration ; Desiccation ; Drought stress ; Droughts ; Fluid Therapy ; Fundamental and applied biological sciences. Psychology ; Hordeum - growth & development ; Hordeum - metabolism ; Hordeum - physiology ; Hordeum vulgare ; Malate ; Metabolism ; Metabolite analysis ; Nitrogen - metabolism ; Osmosis ; Osmotic adjustment ; Phenotype ; Photosynthesis - physiology ; Plant Leaves - growth & development ; Plant Leaves - metabolism ; Plant Leaves - physiology ; Plant physiology and development ; Plant Roots - growth & development ; Plant Roots - metabolism ; Plant Roots - physiology ; Plant Stomata - physiology ; Plant Transpiration - physiology ; Proline ; Raffinose ; Roots ; Seedlings - growth & development ; Seedlings - metabolism ; Soil ; Stress, Physiological - physiology ; Stresses ; Time Factors ; Water - physiology ; Water deficit</subject><ispartof>Journal of plant physiology, 2012-05, Vol.169 (7), p.686-695</ispartof><rights>2012</rights><rights>2015 INIST-CNRS</rights><rights>Published by Elsevier GmbH.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-88b69b244403c7021d7196532809f6bfd0699642e6b8408e3568463a3a1e910d3</citedby><cites>FETCH-LOGICAL-c421t-88b69b244403c7021d7196532809f6bfd0699642e6b8408e3568463a3a1e910d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jplph.2012.01.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25772632$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22285575$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sicher, Richard C.</creatorcontrib><creatorcontrib>Timlin, Dennis</creatorcontrib><creatorcontrib>Bailey, Bryan</creatorcontrib><title>Responses of growth and primary metabolism of water-stressed barley roots to rehydration</title><title>Journal of plant physiology</title><addtitle>J Plant Physiol</addtitle><description>Barley seedlings were grown in pots in controlled environment chambers and progressive drought treatments were imposed 11d after sowing. Soil water content decreased from 92 to 10% following 14d without watering. Increases of biomass in shoots and roots slowed after 4 and 9d of water stress, respectively. Thirty barley root metabolites were monitored in this study and 85% were significantly altered by drought. Sucrose, raffinose, glucose, fructose, maltose, malate, asparagine and proline increased and myo-inositol, glycerate, alanine, serine, glycine and glutamate decreased during drought. Primary metabolism was likely involved in various crucial processes during water stress including, osmotic adjustment, nitrogen sequestration and ammonia detoxification. Rates of photosynthesis and stomatal conductance recovered in 2d and shoot growth commenced the 3rd day after rehydration. Root growth also exhibited a lag after rehydration but this was attributed to high nutrient concentrations during water stress. Malate and proline recovered within 1d but serine was only partially reversed 6d after rehydration. Malate, aspartate and raffinose decreased below well-watered, control levels following rehydration. Variation in the magnitude and time necessary for individual compounds to fully recover after rehydration suggested the complexity of metabolic processes initiated by re-watering.</description><subject>Amino Acids - metabolism</subject><subject>Barley</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Carboxylic Acids - metabolism</subject><subject>Dehydration</subject><subject>Desiccation</subject><subject>Drought stress</subject><subject>Droughts</subject><subject>Fluid Therapy</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hordeum - growth & development</subject><subject>Hordeum - metabolism</subject><subject>Hordeum - physiology</subject><subject>Hordeum vulgare</subject><subject>Malate</subject><subject>Metabolism</subject><subject>Metabolite analysis</subject><subject>Nitrogen - metabolism</subject><subject>Osmosis</subject><subject>Osmotic adjustment</subject><subject>Phenotype</subject><subject>Photosynthesis - physiology</subject><subject>Plant Leaves - growth & development</subject><subject>Plant Leaves - metabolism</subject><subject>Plant Leaves - physiology</subject><subject>Plant physiology and development</subject><subject>Plant Roots - growth & development</subject><subject>Plant Roots - metabolism</subject><subject>Plant Roots - physiology</subject><subject>Plant Stomata - physiology</subject><subject>Plant Transpiration - physiology</subject><subject>Proline</subject><subject>Raffinose</subject><subject>Roots</subject><subject>Seedlings - growth & development</subject><subject>Seedlings - metabolism</subject><subject>Soil</subject><subject>Stress, Physiological - physiology</subject><subject>Stresses</subject><subject>Time Factors</subject><subject>Water - physiology</subject><subject>Water deficit</subject><issn>0176-1617</issn><issn>1618-1328</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE2LFDEQhoMo7uzqLxAkF3Ev3eajO50-eFgWv2BBEAVvIZ1UOxm6O20q4zL_3owz6m1PRRVPvVU8hLzgrOaMqze7erdO67YWjIua8Zox8YhsuOK64lLox2TDeKeqMuguyCXijpW-1fIpuRBC6Lbt2g35_gVwjQsC0jjSHyne5y21i6drCrNNBzpDtkOcAs5H4N5mSBXmBIjg6WDTBAeaYsxIc6QJtgefbA5xeUaejHZCeH6uV-Tb-3dfbz9Wd58_fLq9uatcI3iutB5UP4imaZh0HRPcd7xXbfmf9aMaRs9U36tGgBp0wzTIVulGSSsth54zL6_I61PumuLPPWA2c0AH02QXiHs0fcliWnJVyOsHSc6KlXJWtwWVJ9SliJhgNGcdBTJH-WZn_sg3R_mGcVPkl62X5wP7YQb_b-ev7QK8OgMWnZ3GZBcX8D_Xdp1Q8hj09sRBEfcrQDLoAiwOfEjgsvExPPjIb_Z6omE</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Sicher, Richard C.</creator><creator>Timlin, Dennis</creator><creator>Bailey, Bryan</creator><general>Elsevier GmbH</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20120501</creationdate><title>Responses of growth and primary metabolism of water-stressed barley roots to rehydration</title><author>Sicher, Richard C. ; Timlin, Dennis ; Bailey, Bryan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-88b69b244403c7021d7196532809f6bfd0699642e6b8408e3568463a3a1e910d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Amino Acids - metabolism</topic><topic>Barley</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Carboxylic Acids - metabolism</topic><topic>Dehydration</topic><topic>Desiccation</topic><topic>Drought stress</topic><topic>Droughts</topic><topic>Fluid Therapy</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hordeum - growth & development</topic><topic>Hordeum - metabolism</topic><topic>Hordeum - physiology</topic><topic>Hordeum vulgare</topic><topic>Malate</topic><topic>Metabolism</topic><topic>Metabolite analysis</topic><topic>Nitrogen - metabolism</topic><topic>Osmosis</topic><topic>Osmotic adjustment</topic><topic>Phenotype</topic><topic>Photosynthesis - physiology</topic><topic>Plant Leaves - growth & development</topic><topic>Plant Leaves - metabolism</topic><topic>Plant Leaves - physiology</topic><topic>Plant physiology and development</topic><topic>Plant Roots - growth & development</topic><topic>Plant Roots - metabolism</topic><topic>Plant Roots - physiology</topic><topic>Plant Stomata - physiology</topic><topic>Plant Transpiration - physiology</topic><topic>Proline</topic><topic>Raffinose</topic><topic>Roots</topic><topic>Seedlings - growth & development</topic><topic>Seedlings - metabolism</topic><topic>Soil</topic><topic>Stress, Physiological - physiology</topic><topic>Stresses</topic><topic>Time Factors</topic><topic>Water - physiology</topic><topic>Water deficit</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sicher, Richard C.</creatorcontrib><creatorcontrib>Timlin, Dennis</creatorcontrib><creatorcontrib>Bailey, Bryan</creatorcontrib><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>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of plant physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sicher, Richard C.</au><au>Timlin, Dennis</au><au>Bailey, Bryan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Responses of growth and primary metabolism of water-stressed barley roots to rehydration</atitle><jtitle>Journal of plant physiology</jtitle><addtitle>J Plant Physiol</addtitle><date>2012-05-01</date><risdate>2012</risdate><volume>169</volume><issue>7</issue><spage>686</spage><epage>695</epage><pages>686-695</pages><issn>0176-1617</issn><eissn>1618-1328</eissn><coden>JPPHEY</coden><abstract>Barley seedlings were grown in pots in controlled environment chambers and progressive drought treatments were imposed 11d after sowing. Soil water content decreased from 92 to 10% following 14d without watering. Increases of biomass in shoots and roots slowed after 4 and 9d of water stress, respectively. Thirty barley root metabolites were monitored in this study and 85% were significantly altered by drought. Sucrose, raffinose, glucose, fructose, maltose, malate, asparagine and proline increased and myo-inositol, glycerate, alanine, serine, glycine and glutamate decreased during drought. Primary metabolism was likely involved in various crucial processes during water stress including, osmotic adjustment, nitrogen sequestration and ammonia detoxification. Rates of photosynthesis and stomatal conductance recovered in 2d and shoot growth commenced the 3rd day after rehydration. Root growth also exhibited a lag after rehydration but this was attributed to high nutrient concentrations during water stress. Malate and proline recovered within 1d but serine was only partially reversed 6d after rehydration. Malate, aspartate and raffinose decreased below well-watered, control levels following rehydration. Variation in the magnitude and time necessary for individual compounds to fully recover after rehydration suggested the complexity of metabolic processes initiated by re-watering.</abstract><cop>Munich</cop><pub>Elsevier GmbH</pub><pmid>22285575</pmid><doi>10.1016/j.jplph.2012.01.002</doi><tpages>10</tpages></addata></record> |
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| subjects | Amino Acids - metabolism Barley Biological and medical sciences Biomass Carboxylic Acids - metabolism Dehydration Desiccation Drought stress Droughts Fluid Therapy Fundamental and applied biological sciences. Psychology Hordeum - growth & development Hordeum - metabolism Hordeum - physiology Hordeum vulgare Malate Metabolism Metabolite analysis Nitrogen - metabolism Osmosis Osmotic adjustment Phenotype Photosynthesis - physiology Plant Leaves - growth & development Plant Leaves - metabolism Plant Leaves - physiology Plant physiology and development Plant Roots - growth & development Plant Roots - metabolism Plant Roots - physiology Plant Stomata - physiology Plant Transpiration - physiology Proline Raffinose Roots Seedlings - growth & development Seedlings - metabolism Soil Stress, Physiological - physiology Stresses Time Factors Water - physiology Water deficit |
| title | Responses of growth and primary metabolism of water-stressed barley roots to rehydration |
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