Genome-wide identifiication of QTLs associated with iron defiiciency tolerance in soybean reveals GATA12 as the integrator of iron signaling in roots

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dc.authoridBakhsh, Allah/0000-0003-3561-7863
dc.contributor.authorMaqbool, Amir
dc.contributor.authorSahin, Ahmet
dc.contributor.authorBakhsh, Allah
dc.contributor.authorAksoy, Emre
dc.date.accessioned2024-11-07T13:34:21Z
dc.date.available2024-11-07T13:34:21Z
dc.date.issued2023
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIron (Fe) is an essential micronutrient required for plant growth and development. However, its deficiency causes substantial yield losses, particularly in alkaline soils. Soybean (Glycine max) serves as an ideal model to study Fe deficiency chlorosis (IDC) due to its inefficient Fe uptake from the soil. Although the quantitative trait loci (QTL) associated with IDC tolerance were determined in soybean, the specific genes within these QTL regions remain unidentified. In this study, it was aimed to identify and analyze the expres-sion levels of genes present in IDC-responsive soybean QTL under Fe deficiency. Through this investigation, 6593 genes were identified within 19 QTL linked to IDC tolerance in soybean, and among these, 607 genes exhibited differential expression under Fe deficiency conditions. Notably, the orthologs of 10 selected genes, referred to as the core group, were found to be induced in Fe-signaling mutants of Arabidopsis thaliana. These core group genes were enriched in metal transport and Fe-signaling pathways. Further examination of these genes in an IDC-sensitive soybean cultivar revealed their induction under Fe deficiency and high soil pH conditions. Particularly, GATA TRANSCRIPTION FACTOR12 (GATA12) stood out with significantly increased expression levels of approximately 5 and 20 times under Fe deficiency and high pH treatments, respectively. Coexpression network analyses of the core group genes highlighted the significance of the cluster containing GATA12 as a crucial integrator of Fe signaling between the epidermis-localized FER-LIKE IRON DEFICIENCY INDUCED TRANSCRIPTION FACTOR (FIT) and the stele-localized POPEYE (PYE) signaling networks. Overall, the findings suggest that GATA12 and its close paralogs may act in the transcriptional network linking the two Fe-signaling networks in the root stele and epidermis. This knowledge sheds light on the intricate mechanisms of Fe signaling in soybean and provides valuable insights for future studies on IDC tolerance and Fe-efficient cultivar development.
dc.description.sponsorshipCOST Action PLANTMETALS [CA19116]; COST (European Cooperation in Science and Technology)
dc.description.sponsorshipThe authors thank Prof. Sevgi CALI & Scedil;KAN for providing the soybean seeds used in the study. This article is based upon work from COST Action PLANTMETALS, CA19116, supported by COST (European Cooperation in Science and Technology).
dc.identifier.doi10.55730/1300-008X.2781
dc.identifier.endpage528
dc.identifier.issn1300-008X
dc.identifier.issn1303-6106
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85178407503
dc.identifier.scopusqualityQ2
dc.identifier.startpage511
dc.identifier.trdizinid1220656
dc.identifier.urihttps://doi.org/10.55730/1300-008X.2781
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1220656
dc.identifier.urihttps://hdl.handle.net/11480/15940
dc.identifier.volume47
dc.identifier.wosWOS:001114315700004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Botany
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectArabidopsis
dc.subjectgene expression
dc.subjectiron deficiency
dc.subjectmolecular networks
dc.subjectQTL
dc.subjectsoybean
dc.titleGenome-wide identifiication of QTLs associated with iron defiiciency tolerance in soybean reveals GATA12 as the integrator of iron signaling in roots
dc.typeArticle

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