Radiationless mechanism of UV deactivation by cuticle phenolics in plants

González Moreno, Ana; De Cózar Ruano, Abel; Prieto Núñez Polo, María Pilar; Domínguez Carmona, Eva; Heredia, Antonio

dc.contributor.author	González Moreno, Ana
dc.contributor.author	De Cózar Ruano, Abel
dc.contributor.author	Prieto Núñez Polo, María Pilar
dc.contributor.author	Domínguez Carmona, Eva
dc.contributor.author	Heredia, Antonio
dc.date.accessioned	2022-04-08T08:20:43Z
dc.date.available	2022-04-08T08:20:43Z
dc.date.issued	2022-04
dc.identifier.citation	Nature Communications 13 : (2022) // Article ID 1786	es_ES
dc.identifier.issn	2041-1723
dc.identifier.uri	http://hdl.handle.net/10810/56234
dc.description.abstract	[EN] Hydroxycinnamic acids present in plant cuticles, the interphase and the main protective barrier between the plant and the environment, exhibit singular photochemical properties that could allow them to act as a UV shield. Here, we employ transient absorption spectroscopy on isolated cuticles and leaf epidermises to study in situ the photodynamics of these molecules in the excited state. Based on quantum chemical calculations on p-coumaric acid, the main phenolic acid present in the cuticle, we propose a model in which cuticle phenolics display a photoprotective mechanism based in an ultrafast and non-radiative excited state deactivation combined with fluorescence emission. As such, the cuticle can be regarded as the first and foremost protective barrier against UV radiation. This photostable and photodynamic mechanism seems to be universal in land plants giving a special role and function to the presence of different aromatic domains in plant cuticles and epidermises.	es_ES
dc.description.sponsorship	This work has been supported by grants RTI2018-094277-B/AEI/10.13039/501100011033, PID2020-119636GB-I00 and RED2018-102331-T from Agencia Estatal de Investigación, Ministerio de Ciencia e Innovación, Spain co-financed by the European Regional Development Fund (ERDF) and SBPLY/17/180501/000189 from UCLM Junta de Comunidades de Castilla-La Mancha (JCCM-FEDER). Computational resources, technical and human support provided by IZO-SGI, SGIker (UPV/EHU, MICINN, GV/EJ, ERDF and ESF) and DIPC (Donostia International Physics Centre) are gratefully acknowledged. Ana González Moreno is the recipient of a Formación Personal Universitario fellowship FPU17/01771. The authors thank Dr. Jessica Román, Dr. José Luis Zafra and Dr. Cristina Capel for their technical work and Dr. Victoria Gómez, Universidad de Castilla-La Mancha, for the NMR assignments.	es_ES
dc.language.iso	eng	es_ES
dc.publisher	Nature Research	es_ES
dc.relation	info:eu-repo/grantAgreement/MINECO/RTI2018-094277-B	es_ES
dc.relation	info:eu-repo/grantAgreement/MICIU/RED2018-102331-T	es_ES
dc.relation	info:eu-repo/grantAgreement/MICINN/PID2020-119636GB-I00	es_ES
dc.rights	info:eu-repo/semantics/openAccess	es_ES
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/es/	*
dc.title	Radiationless mechanism of UV deactivation by cuticle phenolics in plants	es_ES
dc.type	info:eu-repo/semantics/article	es_ES
dc.rights.holder	© 2022. The Author(s).This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.	es_ES
dc.rights.holder	Atribución 3.0 España	*
dc.relation.publisherversion	https://www.nature.com/articles/s41467-022-29460-9	es_ES
dc.identifier.doi	10.1038/s41467-022-29460-9
dc.departamentoes	Química orgánica I	es_ES
dc.departamentoeu	Kimika organikoa I	es_ES

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© 2022. The Author(s).This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

Except where otherwise noted, this item's license is described as © 2022. The Author(s).This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.