Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots
Uptake of six organic compounds, dinitrobenzene (DNB), dinitrotoluene (DNT), lindan (LIN), 1,2,3-triclorobenzene (TCB), phenanthrene (PHN) and pyrene (PYR) by freshly excised rice roots and dead rice roots (heated for 40 min at 105 °C) were investigated. Results indicated that the uptake by the two...
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| Veröffentlicht in: | Environmental pollution (1987) 2007-07, Vol.148 (1), p.94-100 |
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| creator | Su, Yu-Hong Zhu, Yong-Guan |
| description | Uptake of six organic compounds, dinitrobenzene (DNB), dinitrotoluene (DNT), lindan (LIN), 1,2,3-triclorobenzene (TCB), phenanthrene (PHN) and pyrene (PYR) by freshly excised rice roots and dead rice roots (heated for 40
min at 105
°C) were investigated. Results indicated that the uptake by the two types of roots did not increase proportionally with those in external solution. There appears to be some special chemical function of root cells other than simple absorption by the cells. The contribution of this special function can be roughly estimated by deducting the partition uptake into cells from the total uptake. Both time-dependent uptake data and concentration-dependent uptake curves demonstrate that, DNT and DNB transport is achieved presumably mainly via the symplastic pathway, while PHN and PYR transport mainly via the apoplastic pathway. For LIN and TCB, apoplastic transport pathway plays major roles in the first 2
h of uptake, then symplastic transport pathway dominates uptake.
Different organic compounds may be transported via different pathways in plant roots depending on log
K
ow. |
| doi_str_mv | 10.1016/j.envpol.2006.11.004 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_19576761</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0269749106006257</els_id><sourcerecordid>19576761</sourcerecordid><originalsourceid>FETCH-LOGICAL-c588t-26d7945b46256729c4de22c5cf65ca7fe116129248d0462304736cb68f9c3e843</originalsourceid><addsrcrecordid>eNqF0M-L1DAUwPEgijuO_geiuSh6aM1L0iS9CLL4Cxb24K7XkElfdzNOm5q0A-Nfb0sH9qanHPJ5j8eXkJfASmCgPuxL7I9DPJScMVUClIzJR2QDRotCSS4fkw3jqi60rOGCPMt5z2YhhHhKLkBzyRjUG_LzJrk-DzGNtEN_7_qQu0zbmOh4j3QaRvcLaWxpTHfzn6c-dkOc-ibT3Ymm4JG-o9fp9MfR7MZwdO9pinHMz8mT1h0yvji_W3L75fPN5bfi6vrr98tPV4WvjBkLrhpdy2onFa-U5rWXDXLuK9-qyjvdIoACXnNpGjYbwaQWyu-UaWsv0EixJW_XvUOKvyfMo-1C9ng4uB7jlC3UlVZawf-hNExyYWYoV-hTzDlha4cUOpdOFphdwtu9XcPbJbwFsEvWLXl13j_tOmwehs6lZ_DmDFz27tDO2X3ID87oimtYDn29utZF6-7SbG5_cAaCMW0EE4v4uAqcwx4DJpt9wN5jExL60TYx_PvWv7iGqtc</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>14804238</pqid></control><display><type>article</type><title>Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots</title><source>MEDLINE</source><source>Elsevier ScienceDirect Journals</source><creator>Su, Yu-Hong ; Zhu, Yong-Guan</creator><creatorcontrib>Su, Yu-Hong ; Zhu, Yong-Guan</creatorcontrib><description>Uptake of six organic compounds, dinitrobenzene (DNB), dinitrotoluene (DNT), lindan (LIN), 1,2,3-triclorobenzene (TCB), phenanthrene (PHN) and pyrene (PYR) by freshly excised rice roots and dead rice roots (heated for 40
min at 105
°C) were investigated. Results indicated that the uptake by the two types of roots did not increase proportionally with those in external solution. There appears to be some special chemical function of root cells other than simple absorption by the cells. The contribution of this special function can be roughly estimated by deducting the partition uptake into cells from the total uptake. Both time-dependent uptake data and concentration-dependent uptake curves demonstrate that, DNT and DNB transport is achieved presumably mainly via the symplastic pathway, while PHN and PYR transport mainly via the apoplastic pathway. For LIN and TCB, apoplastic transport pathway plays major roles in the first 2
h of uptake, then symplastic transport pathway dominates uptake.
Different organic compounds may be transported via different pathways in plant roots depending on log
K
ow.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2006.11.004</identifier><identifier>PMID: 17240019</identifier><identifier>CODEN: ENVPAF</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>1,2,3-triclorobenzene ; absorption ; Apoplastic transport ; biochemical pathways ; Biological and medical sciences ; Biological Transport ; Cell Wall - metabolism ; Chlorobenzenes - metabolism ; dinitrobenzene ; Dinitrobenzenes - metabolism ; dinitrotoluene ; duration ; Food Contamination ; Fundamental and applied biological sciences. Psychology ; Hydrocarbons, Halogenated - metabolism ; lindane ; Lindane - metabolism ; Organic compounds ; Oryza - metabolism ; Oryza sativa ; partition coefficients ; phenanthrene ; Phenanthrenes - metabolism ; Phytopathology. Animal pests. Plant and forest protection ; Plant Roots - metabolism ; pollutants ; pyrene (hydrocarbon) ; Pyrenes - metabolism ; rice ; Rice ( Oryza sativa) ; roots ; Soil Pollutants - metabolism ; soil pollution ; solutions ; Symplastic transport ; Transport mechanism ; uptake mechanisms</subject><ispartof>Environmental pollution (1987), 2007-07, Vol.148 (1), p.94-100</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c588t-26d7945b46256729c4de22c5cf65ca7fe116129248d0462304736cb68f9c3e843</citedby><cites>FETCH-LOGICAL-c588t-26d7945b46256729c4de22c5cf65ca7fe116129248d0462304736cb68f9c3e843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0269749106006257$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18752711$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17240019$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Su, Yu-Hong</creatorcontrib><creatorcontrib>Zhu, Yong-Guan</creatorcontrib><title>Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Uptake of six organic compounds, dinitrobenzene (DNB), dinitrotoluene (DNT), lindan (LIN), 1,2,3-triclorobenzene (TCB), phenanthrene (PHN) and pyrene (PYR) by freshly excised rice roots and dead rice roots (heated for 40
min at 105
°C) were investigated. Results indicated that the uptake by the two types of roots did not increase proportionally with those in external solution. There appears to be some special chemical function of root cells other than simple absorption by the cells. The contribution of this special function can be roughly estimated by deducting the partition uptake into cells from the total uptake. Both time-dependent uptake data and concentration-dependent uptake curves demonstrate that, DNT and DNB transport is achieved presumably mainly via the symplastic pathway, while PHN and PYR transport mainly via the apoplastic pathway. For LIN and TCB, apoplastic transport pathway plays major roles in the first 2
h of uptake, then symplastic transport pathway dominates uptake.
Different organic compounds may be transported via different pathways in plant roots depending on log
K
ow.</description><subject>1,2,3-triclorobenzene</subject><subject>absorption</subject><subject>Apoplastic transport</subject><subject>biochemical pathways</subject><subject>Biological and medical sciences</subject><subject>Biological Transport</subject><subject>Cell Wall - metabolism</subject><subject>Chlorobenzenes - metabolism</subject><subject>dinitrobenzene</subject><subject>Dinitrobenzenes - metabolism</subject><subject>dinitrotoluene</subject><subject>duration</subject><subject>Food Contamination</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrocarbons, Halogenated - metabolism</subject><subject>lindane</subject><subject>Lindane - metabolism</subject><subject>Organic compounds</subject><subject>Oryza - metabolism</subject><subject>Oryza sativa</subject><subject>partition coefficients</subject><subject>phenanthrene</subject><subject>Phenanthrenes - metabolism</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Plant Roots - metabolism</subject><subject>pollutants</subject><subject>pyrene (hydrocarbon)</subject><subject>Pyrenes - metabolism</subject><subject>rice</subject><subject>Rice ( Oryza sativa)</subject><subject>roots</subject><subject>Soil Pollutants - metabolism</subject><subject>soil pollution</subject><subject>solutions</subject><subject>Symplastic transport</subject><subject>Transport mechanism</subject><subject>uptake mechanisms</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0M-L1DAUwPEgijuO_geiuSh6aM1L0iS9CLL4Cxb24K7XkElfdzNOm5q0A-Nfb0sH9qanHPJ5j8eXkJfASmCgPuxL7I9DPJScMVUClIzJR2QDRotCSS4fkw3jqi60rOGCPMt5z2YhhHhKLkBzyRjUG_LzJrk-DzGNtEN_7_qQu0zbmOh4j3QaRvcLaWxpTHfzn6c-dkOc-ibT3Ymm4JG-o9fp9MfR7MZwdO9pinHMz8mT1h0yvji_W3L75fPN5bfi6vrr98tPV4WvjBkLrhpdy2onFa-U5rWXDXLuK9-qyjvdIoACXnNpGjYbwaQWyu-UaWsv0EixJW_XvUOKvyfMo-1C9ng4uB7jlC3UlVZawf-hNExyYWYoV-hTzDlha4cUOpdOFphdwtu9XcPbJbwFsEvWLXl13j_tOmwehs6lZ_DmDFz27tDO2X3ID87oimtYDn29utZF6-7SbG5_cAaCMW0EE4v4uAqcwx4DJpt9wN5jExL60TYx_PvWv7iGqtc</recordid><startdate>20070701</startdate><enddate>20070701</enddate><creator>Su, Yu-Hong</creator><creator>Zhu, Yong-Guan</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><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>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TV</scope><scope>7U7</scope></search><sort><creationdate>20070701</creationdate><title>Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots</title><author>Su, Yu-Hong ; Zhu, Yong-Guan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c588t-26d7945b46256729c4de22c5cf65ca7fe116129248d0462304736cb68f9c3e843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>1,2,3-triclorobenzene</topic><topic>absorption</topic><topic>Apoplastic transport</topic><topic>biochemical pathways</topic><topic>Biological and medical sciences</topic><topic>Biological Transport</topic><topic>Cell Wall - metabolism</topic><topic>Chlorobenzenes - metabolism</topic><topic>dinitrobenzene</topic><topic>Dinitrobenzenes - metabolism</topic><topic>dinitrotoluene</topic><topic>duration</topic><topic>Food Contamination</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hydrocarbons, Halogenated - metabolism</topic><topic>lindane</topic><topic>Lindane - metabolism</topic><topic>Organic compounds</topic><topic>Oryza - metabolism</topic><topic>Oryza sativa</topic><topic>partition coefficients</topic><topic>phenanthrene</topic><topic>Phenanthrenes - metabolism</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Plant Roots - metabolism</topic><topic>pollutants</topic><topic>pyrene (hydrocarbon)</topic><topic>Pyrenes - metabolism</topic><topic>rice</topic><topic>Rice ( Oryza sativa)</topic><topic>roots</topic><topic>Soil Pollutants - metabolism</topic><topic>soil pollution</topic><topic>solutions</topic><topic>Symplastic transport</topic><topic>Transport mechanism</topic><topic>uptake mechanisms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Su, Yu-Hong</creatorcontrib><creatorcontrib>Zhu, Yong-Guan</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>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Su, Yu-Hong</au><au>Zhu, Yong-Guan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2007-07-01</date><risdate>2007</risdate><volume>148</volume><issue>1</issue><spage>94</spage><epage>100</epage><pages>94-100</pages><issn>0269-7491</issn><eissn>1873-6424</eissn><coden>ENVPAF</coden><abstract>Uptake of six organic compounds, dinitrobenzene (DNB), dinitrotoluene (DNT), lindan (LIN), 1,2,3-triclorobenzene (TCB), phenanthrene (PHN) and pyrene (PYR) by freshly excised rice roots and dead rice roots (heated for 40
min at 105
°C) were investigated. Results indicated that the uptake by the two types of roots did not increase proportionally with those in external solution. There appears to be some special chemical function of root cells other than simple absorption by the cells. The contribution of this special function can be roughly estimated by deducting the partition uptake into cells from the total uptake. Both time-dependent uptake data and concentration-dependent uptake curves demonstrate that, DNT and DNB transport is achieved presumably mainly via the symplastic pathway, while PHN and PYR transport mainly via the apoplastic pathway. For LIN and TCB, apoplastic transport pathway plays major roles in the first 2
h of uptake, then symplastic transport pathway dominates uptake.
Different organic compounds may be transported via different pathways in plant roots depending on log
K
ow.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>17240019</pmid><doi>10.1016/j.envpol.2006.11.004</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 1,2,3-triclorobenzene absorption Apoplastic transport biochemical pathways Biological and medical sciences Biological Transport Cell Wall - metabolism Chlorobenzenes - metabolism dinitrobenzene Dinitrobenzenes - metabolism dinitrotoluene duration Food Contamination Fundamental and applied biological sciences. Psychology Hydrocarbons, Halogenated - metabolism lindane Lindane - metabolism Organic compounds Oryza - metabolism Oryza sativa partition coefficients phenanthrene Phenanthrenes - metabolism Phytopathology. Animal pests. Plant and forest protection Plant Roots - metabolism pollutants pyrene (hydrocarbon) Pyrenes - metabolism rice Rice ( Oryza sativa) roots Soil Pollutants - metabolism soil pollution solutions Symplastic transport Transport mechanism uptake mechanisms |
| title | Transport mechanisms for the uptake of organic compounds by rice ( Oryza sativa) roots |
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