The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis

The Adenine Nucleotide Transporter 1 (ADNT1) carrier resides in the mitochondrial inner membrane of plants. Unlike other ADP/ATP carriers, ADNT1 mediates preferably an exchange of mitochondrial matrix ATP by cytosolic AMP, and, to a lesser extent, cytosolic ADP. Because we have previously demonstrat...

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Autores principales:	Paula da Fonseca-Pereira, Roberto Neri-Silva, Rita de Cássia Monteiro-Batista, Jorge L. Pérez-Díaz, Ferdinando Palmieri, Wagner L. Araújo, Alisdair R. Fernie, Adriano Nunes-Nesi
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Arabidopsis thaliana Adenine nucleotide transporter 1 MCF Abiotic stress Dark-induced senescence Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/67a44be9362942fa95b4a4250ed0c05d
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spelling	oai:doaj.org-article:67a44be9362942fa95b4a4250ed0c05d2021-12-04T04:36:33ZThe physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis2667-064X10.1016/j.stress.2021.100019https://doaj.org/article/67a44be9362942fa95b4a4250ed0c05d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2667064X2100018Xhttps://doaj.org/toc/2667-064XThe Adenine Nucleotide Transporter 1 (ADNT1) carrier resides in the mitochondrial inner membrane of plants. Unlike other ADP/ATP carriers, ADNT1 mediates preferably an exchange of mitochondrial matrix ATP by cytosolic AMP, and, to a lesser extent, cytosolic ADP. Because we have previously demonstrated that ADNT1 expression is stronger in senescing tissues, we investigated here the role of ADNT1 carrier during natural and dark-induced senescence in Arabidopsis thaliana. ADNT1 deficient lines displayed an early onset of developmental senescence during both natural and dark-induced senescence. In agreement, moderate loss of chlorophyll content and a reduced PSII photochemical efficiency (Fv/Fm) was observed in the ADNT1 deficient lines at the end of an extended period of darkness. Despite these changes, minor alterations in the levels of sucrose and protein were observed in the ADNT1 deficient lines during dark treatment. However, the levels of a few amino acids as well as the tricarboxylic acid cycle intermediates correlated with ADNT1 expression mainly at the end of dark treatment. Altogether, these results demonstrate that the physiological influence of the AMP/ATP transporter ADNT1 increases during the natural aging and in the later stages of extended darkness treatment. Our data suggest that proper expression of the ADNT1 is important in plant senescence.Paula da Fonseca-PereiraRoberto Neri-SilvaRita de Cássia Monteiro-BatistaJorge L. Pérez-DíazFerdinando PalmieriWagner L. AraújoAlisdair R. FernieAdriano Nunes-NesiElsevierarticleArabidopsis thalianaAdenine nucleotide transporter 1MCFAbiotic stressDark-induced senescencePlant ecologyQK900-989ENPlant Stress, Vol 2, Iss , Pp 100019- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Arabidopsis thaliana Adenine nucleotide transporter 1 MCF Abiotic stress Dark-induced senescence Plant ecology QK900-989
spellingShingle	Arabidopsis thaliana Adenine nucleotide transporter 1 MCF Abiotic stress Dark-induced senescence Plant ecology QK900-989 Paula da Fonseca-Pereira Roberto Neri-Silva Rita de Cássia Monteiro-Batista Jorge L. Pérez-Díaz Ferdinando Palmieri Wagner L. Araújo Alisdair R. Fernie Adriano Nunes-Nesi The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
description	The Adenine Nucleotide Transporter 1 (ADNT1) carrier resides in the mitochondrial inner membrane of plants. Unlike other ADP/ATP carriers, ADNT1 mediates preferably an exchange of mitochondrial matrix ATP by cytosolic AMP, and, to a lesser extent, cytosolic ADP. Because we have previously demonstrated that ADNT1 expression is stronger in senescing tissues, we investigated here the role of ADNT1 carrier during natural and dark-induced senescence in Arabidopsis thaliana. ADNT1 deficient lines displayed an early onset of developmental senescence during both natural and dark-induced senescence. In agreement, moderate loss of chlorophyll content and a reduced PSII photochemical efficiency (Fv/Fm) was observed in the ADNT1 deficient lines at the end of an extended period of darkness. Despite these changes, minor alterations in the levels of sucrose and protein were observed in the ADNT1 deficient lines during dark treatment. However, the levels of a few amino acids as well as the tricarboxylic acid cycle intermediates correlated with ADNT1 expression mainly at the end of dark treatment. Altogether, these results demonstrate that the physiological influence of the AMP/ATP transporter ADNT1 increases during the natural aging and in the later stages of extended darkness treatment. Our data suggest that proper expression of the ADNT1 is important in plant senescence.
format	article
author	Paula da Fonseca-Pereira Roberto Neri-Silva Rita de Cássia Monteiro-Batista Jorge L. Pérez-Díaz Ferdinando Palmieri Wagner L. Araújo Alisdair R. Fernie Adriano Nunes-Nesi
author_facet	Paula da Fonseca-Pereira Roberto Neri-Silva Rita de Cássia Monteiro-Batista Jorge L. Pérez-Díaz Ferdinando Palmieri Wagner L. Araújo Alisdair R. Fernie Adriano Nunes-Nesi
author_sort	Paula da Fonseca-Pereira
title	The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
title_short	The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
title_full	The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
title_fullStr	The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
title_full_unstemmed	The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis
title_sort	physiological role of mitochondrial adnt1 carrier during senescence in arabidopsis
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/67a44be9362942fa95b4a4250ed0c05d
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The physiological role of mitochondrial ADNT1 carrier during senescence in Arabidopsis

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