On the path from xylem hydraulic failure to downstream cell death
14 páginas.- 8 figuras.- 1 tablas.- 62 referencias.- Supporting information the online version of the published article http://dx.doi.org/10.1111/nph.18578
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| Format: | artículo biblioteca |
| Language: | English |
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John Wiley & Sons
2023-02
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| Subjects: | Cavitation, Cell dehydration, Drought, Membrane leakage, Relative water content, |
| Online Access: | http://hdl.handle.net/10261/284995 http://dx.doi.org/10.13039/501100010115 http://dx.doi.org/10.13039/501100001665 |
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dig-irnas-es-10261-2849952024-05-13T10:37:49Z On the path from xylem hydraulic failure to downstream cell death Mantova, Marylou Cochard, H. Burlett, Regís Delzon, Sylvain King, A. Rodríguez-Domínguez, Celia M. Ahmed, Mutez Ali Trueba, Santiago Torres Ruiz, José Manuel Région Auvergne-Rhône-Alpes Agence Nationale de la Recherche (France) Mantova, Marylou [0000-0003-4445-3100] Cochard, H. [0000-0002-2727-7072] Delzon, Sylvain [0000-0003-3442-1711] King, A. [0000-0001-8542-1354] Rodríguez Domínguez, Celia M. [0000-0003-2352-0829] Ahmed, Mutez Ali [0000-0002-7402-1571] Trueba, Santiago [0000-0001-8218-957X] Torres Ruiz, José Manuel [0000-0003-1367-7056] Burlett, Regís [0000-0001-8289-5757] Cavitation Cell dehydration Drought Membrane leakage Relative water content 14 páginas.- 8 figuras.- 1 tablas.- 62 referencias.- Supporting information the online version of the published article http://dx.doi.org/10.1111/nph.18578 Xylem hydraulic failure (HF) has been identified as a ubiquitous factor in triggering drought-induced tree mortality through the damage induced by the progressive dehydration of plant living cells. However, fundamental evidence of the mechanistic link connecting xylem HF to cell death has not been identified yet. The main aim of this study was to evaluate, at the leaf level, the relationship between loss of hydraulic function due to cavitation and cell death under drought conditions and discern how this relationship varied across species with contrasting resistances to cavitation. Drought was induced by withholding water from potted seedlings, and their leaves were sampled to measure their relative water content (RWC) and cell mortality. Vulnerability curves to cavitation at the leaf level were constructed for each species. An increment in cavitation events occurrence precedes the onset of cell mortality. A variation in cells tolerance to dehydration was observed along with the resistance to cavitation. Overall, our results indicate that the onset of cellular mortality occurs at lower RWC than the one for cavitation indicating the role of cavitation in triggering cellular death. They also evidenced a critical RWC for cellular death varying across species with different cavitation resistance. © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation. This research was supported by La Region Auvergne-Rhone-Alpes ‘Pack Ambition International 2020’ through the project‘ ThirsTree’ 20-006175-01, 20-006175-02 and the Agence Nationale de la Recherche, grant/award no. ANR-18-CE20-0005, ‘Hydrauleaks’ Peer reviewed 2022-12-16T07:24:11Z 2022-12-16T07:24:11Z 2023-02 artículo http://purl.org/coar/resource_type/c_6501 New Phytologist 237(3): 793-806 (2023) 0028-646X http://hdl.handle.net/10261/284995 10.1111/nph.18578 1469-8137 http://dx.doi.org/10.13039/501100010115 http://dx.doi.org/10.13039/501100001665 en Publisher's version http://dx.doi.org/10.1111/nph.18578 Sí open John Wiley & Sons |
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| language |
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| topic |
Cavitation Cell dehydration Drought Membrane leakage Relative water content Cavitation Cell dehydration Drought Membrane leakage Relative water content |
| spellingShingle |
Cavitation Cell dehydration Drought Membrane leakage Relative water content Cavitation Cell dehydration Drought Membrane leakage Relative water content Mantova, Marylou Cochard, H. Burlett, Regís Delzon, Sylvain King, A. Rodríguez-Domínguez, Celia M. Ahmed, Mutez Ali Trueba, Santiago Torres Ruiz, José Manuel On the path from xylem hydraulic failure to downstream cell death |
| description |
14 páginas.- 8 figuras.- 1 tablas.- 62 referencias.- Supporting information the online version of the published article http://dx.doi.org/10.1111/nph.18578 |
| author2 |
Région Auvergne-Rhône-Alpes |
| author_facet |
Région Auvergne-Rhône-Alpes Mantova, Marylou Cochard, H. Burlett, Regís Delzon, Sylvain King, A. Rodríguez-Domínguez, Celia M. Ahmed, Mutez Ali Trueba, Santiago Torres Ruiz, José Manuel |
| format |
artículo |
| topic_facet |
Cavitation Cell dehydration Drought Membrane leakage Relative water content |
| author |
Mantova, Marylou Cochard, H. Burlett, Regís Delzon, Sylvain King, A. Rodríguez-Domínguez, Celia M. Ahmed, Mutez Ali Trueba, Santiago Torres Ruiz, José Manuel |
| author_sort |
Mantova, Marylou |
| title |
On the path from xylem hydraulic failure to downstream cell death |
| title_short |
On the path from xylem hydraulic failure to downstream cell death |
| title_full |
On the path from xylem hydraulic failure to downstream cell death |
| title_fullStr |
On the path from xylem hydraulic failure to downstream cell death |
| title_full_unstemmed |
On the path from xylem hydraulic failure to downstream cell death |
| title_sort |
on the path from xylem hydraulic failure to downstream cell death |
| publisher |
John Wiley & Sons |
| publishDate |
2023-02 |
| url |
http://hdl.handle.net/10261/284995 http://dx.doi.org/10.13039/501100010115 http://dx.doi.org/10.13039/501100001665 |
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