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dc.creatorSavić, Jasna
dc.creatorNikolić, Miroslav
dc.creatorProdanović, Slaven
dc.creatorRoemheld, Volker
dc.date.accessioned2020-12-17T19:01:32Z
dc.date.available2020-12-17T19:01:32Z
dc.date.issued2007
dc.identifier.issn1445-4408
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/1505
dc.description.abstractThe objective of this research was to test the hypothesis of the existence of an active boron ( B) uptake into the cortical cells induced by low B supply. The uptake of B was characterised in two tomato ( Lycopersicon esculentum Mill.) genotypes: B-efficient FER and B-inefficient mutant T3238. In addition, pea (Pisum sativum L.) was used as an anatomically appropriate model for obtaining intact root cortex. Time course uptake studies in tomato indicate that the B-inefficient mutant was defective by the absence of an active low-B-induced uptake system in the cortex. Pea roots showed up to 10-fold higher accumulation of B into the cortex symplast at low (0.5 mu M) external B supply in comparison to adequate B (10 mu M) supply. Also, low-B-induced uptake of B was strongly inhibited by 2,4-dinitrophenol, indicating a metabolic energy-derived active component of B uptake at low external supply. Uptake of B by the cortical cells of tomato and pea plants appears to be a combination of both passive and active components, with a passive component prevailing at higher external B. An active component of B uptake suppressed by either adequate or high B supply might indicate a downregulation of plasma membrane-associated B transporter(s) in root cortical cells.en
dc.publisherCsiro Publishing, Clayton
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/143020/RS//
dc.rightsrestrictedAccess
dc.sourceFunctional Plant Biology
dc.titleBoron uptake by the root cortex symplast of tomato and pea plants: evidence for low-boron-induced active transporten
dc.typearticle
dc.rights.licenseARR
dc.citation.epage1136
dc.citation.issue12
dc.citation.other34(12): 1130-1136
dc.citation.rankM21
dc.citation.spage1130
dc.citation.volume34
dc.identifier.doi10.1071/FP07175
dc.identifier.scopus2-s2.0-36448949421
dc.identifier.pmid32689443
dc.identifier.wos000251240500009
dc.type.versionpublishedVersion


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