2024-03-29T06:33:01Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1725212024-03-13T12:55:56Zcom_10234_2508com_10234_9col_10234_6999
Repositori UJI
author
Merelo, Paz
author
Agusti, Javier
author
Arbona, Vicent
author
Costa, Mario L.
author
Estornell, Leandro H.
author
Gomez-Cadenas, Aurelio
author
Coimbra, Silvia
author
Gómez, María D.
author
Pérez Amador, Miguel A.
author
Domingo, Concha
author
Talón, Manuel
author
Tadeo, Francisco R.
2018-01-31T12:29:36Z
2018-01-31T12:29:36Z
2017-02-08
MERELO, Paz; AGUSTÍ, Javier; ARBONA MENGUAL, Vicent; COSTA, Mario L.; ESTORNELL, Leandro H.; GÓMEZ CADENAS, Aurelio; COIMBRA, Silvia; GÓMEZ, María D.; PÉREZ AMADOR, Miguel A.; DOMINGO, Concha; TALÓN, Manuel; TADEO, Francisco R. Cell Wall Remodeling in Abscission Zone Cells during Ethylene-Promoted Fruit Abscission in Citrus. Frontiers in Plant Science (2017), v. 8
http://hdl.handle.net/10234/172521
https://doi.org/10.3389/fpls.2017.00126
Abscission is a cell separation process by which plants can shed organs such as fruits,
leaves, or flowers. The process takes place in specific locations termed abscission zones.
In fruit crops like citrus, fruit abscission represents a high percentage of annual yield
losses. Thus, understanding the molecular regulation of abscission is of capital relevance
to control production. To identify genes preferentially expressed within the citrus fruit
abscission zone (AZ-C), we performed a comparative transcriptomics assay at the cell
type resolution level between the AZ-C and adjacent fruit rind cells (non-abscising tissue)
during ethylene-promoted abscission. Our strategy combined laser microdissection with
microarray analysis. Cell wall modification-related gene families displayed prominent
representation in the AZ-C. Phylogenetic analyses of such gene families revealed a link
between phylogenetic proximity and expression pattern during abscission suggesting
highly conserved roles for specific members of these families in abscission. Our
transcriptomic data was validated with (and strongly supported by) a parallel approach
consisting on anatomical, histochemical and biochemical analyses on the AZ-C during
fruit abscission. Our work identifies genes potentially involved in organ abscission and
provides relevant data for future biotechnology approaches aimed at controlling such
crucial process for citrus yield.
eng
Atribución 4.0 Internacional
Calyx abscission zone
Cell wall modification
Citrus fruit abscission
Ethylene
Lignin biosynthesis
Phylogeny
Transcriptomics
Cell Wall Remodeling in Abscission Zone Cells during Ethylene-Promoted Fruit Abscission in Citrus
info:eu-repo/semantics/article
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URL
https://repositori.uji.es/xmlui/bitstream/10234/172521/1/Merelo_2017_Cell.pdf
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https://repositori.uji.es/xmlui/bitstream/10234/172521/8/Merelo_2017_Cell.pdf.txt
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