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Understanding the role of the antioxidant system and the tetrapyrrole cycle in iron deficiency chlorosis

2019Journal article Open access
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dc.contributor.authorSantos, Carla S.
dc.contributor.authorOzgur, Rengin
dc.contributor.authorUzilday, Baris
dc.contributor.authorTurkan, Ismail
dc.contributor.authorRoriz, Mariana
dc.contributor.authorRangel, António O. S. S.
dc.contributor.authorCarvalho, Susana M. P.
dc.contributor.authorVasconcelos, Marta W.
dc.date.accessioned2019-10-15T18:34:35Z
dc.date.available2019-10-15T18:34:35Z
dc.date.issued2019
dc.description.abstractIron deficiency chlorosis (IDC) is an abiotic stress often experienced by soybean, owing to the low solubility of iron in alkaline soils. Here, soybean lines with contrasting Fe efficiencies were analyzed to test the hypothesis that the Fe efficiency trait is linked to antioxidative stress signaling via proper management of tissue Fe accumulation and transport, which in turn influences the regulation of heme and non heme containing enzymes involved in Fe uptake and ROS scavenging. Inefficient plants displayed higher oxidative stress and lower ferric reductase activity, whereas root and leaf catalase activity were nine-fold and three-fold higher, respectively. Efficient plants do not activate their antioxidant system because there is no formation of ROS under iron deficiency; while inefficient plants are not able to deal with ROS produced under iron deficiency because ascorbate peroxidase and superoxide dismutase are not activated because of the lack of iron as a cofactor, and of heme as a constituent of those enzymes. Superoxide dismutase and peroxidase isoenzymatic regulation may play a determinant role: 10 superoxide dismutase isoenzymes were observed in both cultivars, but iron superoxide dismutase activity was only detected in efficient plants; 15 peroxidase isoenzymes were observed in the roots and trifoliate leaves of efficient and inefficient cultivars and peroxidase activity levels were only increased in roots of efficient plants.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSantos, C. S., Ozgur, R., Uzilday, B., Turkan, I., Roriz, M., Rangel, A. O. S. S., … Vasconcelos, M. W. (2019). Understanding the role of the antioxidant system and the tetrapyrrole cycle in iron deficiency chlorosis. Plants, 8(9), 348. https://doi.org/10.3390/plants8090348pt_PT
dc.identifier.doi10.3390/plants8090348pt_PT
dc.identifier.eid85074583868
dc.identifier.eissn2223-7747
dc.identifier.pmcPMC6784024
dc.identifier.pmid31540266
dc.identifier.urihttp://hdl.handle.net/10400.14/28370
dc.identifier.wos000487958100016
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationCentre for Biotechnology and Fine Chemistry
dc.relationNutritional forecasting: towards mitigating the impact of climate change on legume nutrition
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subject∂-aminolevulinic acidpt_PT
dc.subjectFeSODpt_PT
dc.subjectHeme-containing enzymespt_PT
dc.subjectHeminpt_PT
dc.subjectOxidative stresspt_PT
dc.titleUnderstanding the role of the antioxidant system and the tetrapyrrole cycle in iron deficiency chlorosispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Biotechnology and Fine Chemistry
oaire.awardTitleNutritional forecasting: towards mitigating the impact of climate change on legume nutrition
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMulti%2F50016%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FAGR-PRO%2F3972%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F78353%2F2011/PT
oaire.citation.issue9
oaire.citation.titlePlantspt_PT
oaire.citation.volume8
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
oaire.fundingStreamSFRH
person.familyNameSancho dos Santos
person.familyNameUzilday
person.familyNameRoriz
person.familyNameSantos Silva Rangel
person.familyNameCarvalho
person.familyNameVasconcelos
person.givenNameCarla
person.givenNameBaris
person.givenNameMariana
person.givenNameAntónio Osmaro
person.givenNameSusana M.P.
person.givenNameMarta
person.identifier211408
person.identifier187207
person.identifier194747
person.identifier74696
person.identifier.ciencia-idF715-AACD-9820
person.identifier.ciencia-idE713-C010-67DB
person.identifier.ciencia-idD61D-7CFB-178A
person.identifier.ciencia-id5E16-859A-37A4
person.identifier.orcid0000-0002-6708-5550
person.identifier.orcid0000-0001-8168-056X
person.identifier.orcid0000-0002-5365-8186
person.identifier.orcid0000-0002-6486-8947
person.identifier.orcid0000-0001-7157-1079
person.identifier.orcid0000-0002-5110-7006
person.identifier.ridJ-2473-2013
person.identifier.ridI-7184-2013
person.identifier.ridI-8166-2013
person.identifier.scopus-author-id54407552700
person.identifier.scopus-author-id7004827387
person.identifier.scopus-author-id7005619826
person.identifier.scopus-author-id14627797100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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