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dc.contributor.author
Mori, Kentaro  
dc.contributor.author
Lemaire Chamley, Martine  
dc.contributor.author
Jorly, Joana  
dc.contributor.author
Carrari, Fernando Oscar  
dc.contributor.author
Conte, Mariana  
dc.contributor.author
Asamizu, Erika  
dc.contributor.author
Mizoguchi, Tsuyoshi  
dc.contributor.author
Ezura, Hiroshi  
dc.contributor.author
Rothan, Christophe  
dc.date.available
2024-10-24T12:52:31Z  
dc.date.issued
2021-02  
dc.identifier.citation
Mori, Kentaro; Lemaire Chamley, Martine; Jorly, Joana; Carrari, Fernando Oscar; Conte, Mariana; et al.; The conserved brassinosteroid-related transcription factor BIM1a negatively regulates fruit growth in tomato; Oxford University Press; Journal of Experimental Botany; 72; 4; 2-2021; 1181-1197  
dc.identifier.issn
0022-0957  
dc.identifier.uri
http://hdl.handle.net/11336/246369  
dc.description.abstract
Brassinosteroids (BRs) are steroid hormones that play key roles in plant development and defense. Our goal is to harness the extensive knowledge of the Arabidopsis BR signaling network to improve productivity in crop species. This first requires identifying components of the conserved network and their function in the target species. Here, we investigated the function of SlBIM1a, the closest tomato homolog of AtBIM1, which is highly expressed in fruit. SlBIM1a-overexpressing lines displayed severe plant and fruit dwarfism, and histological characterization of different transgenic lines revealed that SlBIM1a expression negatively correlated with fruit pericarp cell size, resulting in fruit size modifications. These growth phenotypes were in contrast to those found in Arabidopsis, and this was confirmed by the reciprocal ectopic expression of SlBIM1a/b in Arabidopsis and of AtBIM1 in tomato. These results determined that BIM1 function depends more on the recipient species than on its primary sequence. Yeast two-hybrid interaction studies and transcriptomic analyses of SlBIM1a-overexpressing fruit further suggested that SlBIM1a acts through its interaction with SlBZH1 to govern the transcriptional regulation of growth-related BR target genes. Together, these results suggest that SlBIM1a is a negative regulator of pericarp cell expansion, possibly at the crossroads with auxin and light signaling.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Oxford University Press  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Arabidopsis thaliana  
dc.subject
Solanum lycopersicum  
dc.subject
Tomato  
dc.subject
BIM  
dc.subject
Brassinosteroids  
dc.subject
Cell expansion  
dc.subject
Fruit  
dc.subject
Growth  
dc.subject
Signalling  
dc.subject.classification
Bioquímica y Biología Molecular  
dc.subject.classification
Ciencias Biológicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
The conserved brassinosteroid-related transcription factor BIM1a negatively regulates fruit growth in tomato  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2024-10-23T17:35:56Z  
dc.journal.volume
72  
dc.journal.number
4  
dc.journal.pagination
1181-1197  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Oxford  
dc.description.fil
Fil: Mori, Kentaro. Institut National de la Recherche Agronomique; Francia  
dc.description.fil
Fil: Lemaire Chamley, Martine. Institut National de la Recherche Agronomique; Francia  
dc.description.fil
Fil: Jorly, Joana. Institut National de la Recherche Agronomique; Francia  
dc.description.fil
Fil: Carrari, Fernando Oscar. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina  
dc.description.fil
Fil: Conte, Mariana. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina  
dc.description.fil
Fil: Asamizu, Erika. Ryukoku University; Japón  
dc.description.fil
Fil: Mizoguchi, Tsuyoshi. International Christian University; Japón  
dc.description.fil
Fil: Ezura, Hiroshi. University of Tsukuba; Japón  
dc.description.fil
Fil: Rothan, Christophe. Institut National de la Recherche Agronomique; Francia  
dc.journal.title
Journal of Experimental Botany  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jxb/article/72/4/1181/5937226  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/jxb/eraa495