Activity of sucrose synthase and soluble acid invertase following germination of pinyon (Pinus edulis) seeds
The developmental pattern and relative activities of sucrose synthase (EC 2.4.1.13) and soluble acid invertase (EC 3.2.1.26), and the associated contents of sucrose and hexoses, were analyzed in the cotyledons, hypocotyl, and radicle of pinyon (Pinus edulis Engelm.) seedlings following radicle emerg...
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Veröffentlicht in: | Canadian journal of forest research 1992-04, Vol.22 (4), p.442-446 |
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creator | Murphy, J.B Rutter, M.R Hammer, M.F |
description | The developmental pattern and relative activities of sucrose synthase (EC 2.4.1.13) and soluble acid invertase (EC 3.2.1.26), and the associated contents of sucrose and hexoses, were analyzed in the cotyledons, hypocotyl, and radicle of pinyon (Pinus edulis Engelm.) seedlings following radicle emergence. Sucrose synthase activity did not appear to be correlated with organ growth, but showed a close association with sucrose content. Conversely, there was a high degree of correlation between soluble acid invertase activity and growth of the various organs. Hexose content also was correlated with the level of invertase activity. Thus, soluble acid invertase appeared to be directly involved in providing respiratory and biosynthetic substrates in growing organs, while the role of sucrose synthase was less clear, being more active in tissues that are involved in sucrose import and transport and possibly sucrose to starch conversion. |
doi_str_mv | 10.1139/x92-058 |
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Sucrose synthase activity did not appear to be correlated with organ growth, but showed a close association with sucrose content. Conversely, there was a high degree of correlation between soluble acid invertase activity and growth of the various organs. Hexose content also was correlated with the level of invertase activity. Thus, soluble acid invertase appeared to be directly involved in providing respiratory and biosynthetic substrates in growing organs, while the role of sucrose synthase was less clear, being more active in tissues that are involved in sucrose import and transport and possibly sucrose to starch conversion.</description><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x92-058</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa, Canada: NRC Research Press</publisher><subject>Agronomy. 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Sucrose synthase activity did not appear to be correlated with organ growth, but showed a close association with sucrose content. Conversely, there was a high degree of correlation between soluble acid invertase activity and growth of the various organs. Hexose content also was correlated with the level of invertase activity. Thus, soluble acid invertase appeared to be directly involved in providing respiratory and biosynthetic substrates in growing organs, while the role of sucrose synthase was less clear, being more active in tissues that are involved in sucrose import and transport and possibly sucrose to starch conversion.</description><subject>Agronomy. Soil science and plant productions</subject><subject>beta-fructofuranosidase</subject><subject>Biological and medical sciences</subject><subject>cotyledons</subject><subject>Economic plant physiology</subject><subject>Embryo development. Germination</subject><subject>enzyme activity</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>growth</subject><subject>Growth and development</subject><subject>hexoses</subject><subject>hypocotyls</subject><subject>Pinus edulis</subject><subject>radicles</subject><subject>seed germination</subject><subject>seeds</subject><subject>sucrose</subject><subject>sucrose synthase</subject><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp9kF1LwzAUhoMoOKf4E-yF4AdUT5ImXS_H8AsGCrrrkqbJFsnSkbTT_ntTKl56dV44Dw_nvAidY7jDmBb33wVJgc0O0AQTmKUcaH6IJgAZSxnw_BidhPAJAJRTmCA7l63Zm7ZPGp2ETvomqCT0rt2IGISrk9DYrrIxS1Mnxu2Vb4eVbqxtvoxbJ2vlt8aJ1jRukOyM62O6fjOuC4mqO2vCTRKUqsMpOtLCBnX2O6do9fjwsXhOl69PL4v5MpUko22aFYSDJopBUVUAeZGxggAlDKq6llrlSkBeQc2rXGJSKca0kDngLOccs4zTKboavcM7wStd7rzZCt-XGMqhpDKWVMaSInk5kjsRpLDaCydN-MMZLWZsxiJ2O2LOS6-CEl5u_nFejLAWTSnWPvpW7wQwBcJ5PJHTH6fFfpo</recordid><startdate>19920401</startdate><enddate>19920401</enddate><creator>Murphy, J.B</creator><creator>Rutter, M.R</creator><creator>Hammer, M.F</creator><general>NRC Research Press</general><general>National Research Council of Canada</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19920401</creationdate><title>Activity of sucrose synthase and soluble acid invertase following germination of pinyon (Pinus edulis) seeds</title><author>Murphy, J.B ; Rutter, M.R ; Hammer, M.F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c243t-49260f2e509bb0079459203250bddcfe7ea07b0d6b7c12be55fac701476615463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>beta-fructofuranosidase</topic><topic>Biological and medical sciences</topic><topic>cotyledons</topic><topic>Economic plant physiology</topic><topic>Embryo development. Germination</topic><topic>enzyme activity</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>growth</topic><topic>Growth and development</topic><topic>hexoses</topic><topic>hypocotyls</topic><topic>Pinus edulis</topic><topic>radicles</topic><topic>seed germination</topic><topic>seeds</topic><topic>sucrose</topic><topic>sucrose synthase</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Murphy, J.B</creatorcontrib><creatorcontrib>Rutter, M.R</creatorcontrib><creatorcontrib>Hammer, M.F</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Canadian journal of forest research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Murphy, J.B</au><au>Rutter, M.R</au><au>Hammer, M.F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Activity of sucrose synthase and soluble acid invertase following germination of pinyon (Pinus edulis) seeds</atitle><jtitle>Canadian journal of forest research</jtitle><addtitle>Revue canadienne de recherche forestière</addtitle><date>1992-04-01</date><risdate>1992</risdate><volume>22</volume><issue>4</issue><spage>442</spage><epage>446</epage><pages>442-446</pages><issn>0045-5067</issn><eissn>1208-6037</eissn><coden>CJFRAR</coden><abstract>The developmental pattern and relative activities of sucrose synthase (EC 2.4.1.13) and soluble acid invertase (EC 3.2.1.26), and the associated contents of sucrose and hexoses, were analyzed in the cotyledons, hypocotyl, and radicle of pinyon (Pinus edulis Engelm.) seedlings following radicle emergence. Sucrose synthase activity did not appear to be correlated with organ growth, but showed a close association with sucrose content. Conversely, there was a high degree of correlation between soluble acid invertase activity and growth of the various organs. Hexose content also was correlated with the level of invertase activity. Thus, soluble acid invertase appeared to be directly involved in providing respiratory and biosynthetic substrates in growing organs, while the role of sucrose synthase was less clear, being more active in tissues that are involved in sucrose import and transport and possibly sucrose to starch conversion.</abstract><cop>Ottawa, Canada</cop><pub>NRC Research Press</pub><doi>10.1139/x92-058</doi><tpages>5</tpages></addata></record> |
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ispartof | Canadian journal of forest research, 1992-04, Vol.22 (4), p.442-446 |
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subjects | Agronomy. Soil science and plant productions beta-fructofuranosidase Biological and medical sciences cotyledons Economic plant physiology Embryo development. Germination enzyme activity Fundamental and applied biological sciences. Psychology growth Growth and development hexoses hypocotyls Pinus edulis radicles seed germination seeds sucrose sucrose synthase |
title | Activity of sucrose synthase and soluble acid invertase following germination of pinyon (Pinus edulis) seeds |
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