Linking xylem network failure with leaf tissue death
• Global warming is expected to dramatically accelerate forest mortality as temperature and drought intensity increase. Predicting the magnitude of this impact urgently requires an understanding of the process connecting atmospheric drying to plant tissue damage. Recent episodes of forest mortality...
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| Veröffentlicht in: | The New phytologist 2021-10, Vol.232 (1), p.68-79 |
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| container_title | The New phytologist |
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| creator | Brodribb, Timothy Brodersen, Craig R. Carriqui, Marc Tonet, Vanessa Dominguez, Celia Rodriguez McAdam, Scott |
| description | • Global warming is expected to dramatically accelerate forest mortality as temperature and drought intensity increase. Predicting the magnitude of this impact urgently requires an understanding of the process connecting atmospheric drying to plant tissue damage. Recent episodes of forest mortality worldwide have been widely attributed to dry conditions causing acute damage to plant vascular systems. Under this scenario vascular embolisms produced by water stress are thought to cause plant death, yet this hypothetical trajectory has never been empirically demonstrated.
• Here we provide foundational evidence connecting failure in the vascular network of leaves with tissue damage caused during water stress.
• We observe a catastrophic sequence initiated by water column breakage under tension in leaf veins which severs local leaf tissue water supply, immediately causing acute cellular dehydration and irreversible damage.
• By highlighting the primacy of vascular network failure in the death of leaves exposed to drought or evaporative stress our results provide a strong mechanistic foundation upon which models of plant damage in response to dehydration can be confidently structured. |
| doi_str_mv | 10.1111/nph.17577 |
| format | Article |
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• Here we provide foundational evidence connecting failure in the vascular network of leaves with tissue damage caused during water stress.
• We observe a catastrophic sequence initiated by water column breakage under tension in leaf veins which severs local leaf tissue water supply, immediately causing acute cellular dehydration and irreversible damage.
• By highlighting the primacy of vascular network failure in the death of leaves exposed to drought or evaporative stress our results provide a strong mechanistic foundation upon which models of plant damage in response to dehydration can be confidently structured.</description><identifier>ISSN: 0028-646X</identifier><identifier>EISSN: 1469-8137</identifier><identifier>DOI: 10.1111/nph.17577</identifier><language>eng</language><publisher>Lancaster: Wiley</publisher><subject>Atmospheric models ; Circulatory system ; Climate change ; Connecting ; Death ; Dehydration ; Drought ; Drying ; Failure ; Global warming ; Leaves ; Mortality ; Plant tissues ; Rapid report ; stomata ; Tissue ; tissue damage ; Vascular system (plant anatomy) ; Water circulation ; Water column ; Water damage ; Water shortages ; Water stress ; Water supply ; Xylem ; xylem cavitation</subject><ispartof>The New phytologist, 2021-10, Vol.232 (1), p.68-79</ispartof><rights>2021 The Authors © 2021 New Phytologist Foundation</rights><rights>2021 The Authors. © 2021 New Phytologist Foundation</rights><rights>Copyright © 2021 New Phytologist Trust</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3877-ab3829737b37ba4c378ca1e77aa04021e1f23aa065b7995f5d8d3ce43401911d3</citedby><cites>FETCH-LOGICAL-c3877-ab3829737b37ba4c378ca1e77aa04021e1f23aa065b7995f5d8d3ce43401911d3</cites><orcidid>0000-0002-0153-2602 ; 0000-0002-0924-2570 ; 0000-0002-8373-5779 ; 0000-0003-2352-0829 ; 0000-0002-4964-6107 ; 0000-0002-9625-6750</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fnph.17577$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fnph.17577$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27903,27904,45553,45554,46388,46812</link.rule.ids></links><search><creatorcontrib>Brodribb, Timothy</creatorcontrib><creatorcontrib>Brodersen, Craig R.</creatorcontrib><creatorcontrib>Carriqui, Marc</creatorcontrib><creatorcontrib>Tonet, Vanessa</creatorcontrib><creatorcontrib>Dominguez, Celia Rodriguez</creatorcontrib><creatorcontrib>McAdam, Scott</creatorcontrib><title>Linking xylem network failure with leaf tissue death</title><title>The New phytologist</title><description>• Global warming is expected to dramatically accelerate forest mortality as temperature and drought intensity increase. Predicting the magnitude of this impact urgently requires an understanding of the process connecting atmospheric drying to plant tissue damage. Recent episodes of forest mortality worldwide have been widely attributed to dry conditions causing acute damage to plant vascular systems. Under this scenario vascular embolisms produced by water stress are thought to cause plant death, yet this hypothetical trajectory has never been empirically demonstrated.
• Here we provide foundational evidence connecting failure in the vascular network of leaves with tissue damage caused during water stress.
• We observe a catastrophic sequence initiated by water column breakage under tension in leaf veins which severs local leaf tissue water supply, immediately causing acute cellular dehydration and irreversible damage.
• By highlighting the primacy of vascular network failure in the death of leaves exposed to drought or evaporative stress our results provide a strong mechanistic foundation upon which models of plant damage in response to dehydration can be confidently structured.</description><subject>Atmospheric models</subject><subject>Circulatory system</subject><subject>Climate change</subject><subject>Connecting</subject><subject>Death</subject><subject>Dehydration</subject><subject>Drought</subject><subject>Drying</subject><subject>Failure</subject><subject>Global warming</subject><subject>Leaves</subject><subject>Mortality</subject><subject>Plant tissues</subject><subject>Rapid report</subject><subject>stomata</subject><subject>Tissue</subject><subject>tissue damage</subject><subject>Vascular system (plant anatomy)</subject><subject>Water circulation</subject><subject>Water column</subject><subject>Water damage</subject><subject>Water shortages</subject><subject>Water stress</subject><subject>Water supply</subject><subject>Xylem</subject><subject>xylem cavitation</subject><issn>0028-646X</issn><issn>1469-8137</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp10E1LwzAcBvAgCs7pwQ8gFLzooS6vTXOUoU4Y6kHBW8jaf122rJ1Jy9y3N7PqQTAEksPvycuD0CnBVySOUb2eXxEppNxDA8IzleaEyX00wJjmacaz10N0FMICY6xERgeIT229tPVb8rF1sEpqaDeNXyaVsa7zkGxsO08cmCppbQgdJCWYdn6MDirjApx8r0P0cnvzPJ6k08e7-_H1NC1YLmVqZiynSjI5i9Pwgsm8MASkNAZzTAmQirK4z8RMKiUqUeYlK4AzjokipGRDdNGfu_bNeweh1SsbCnDO1NB0QVPBebwoBiI9_0MXTefr-Lqost1fpRBRXfaq8E0IHiq99nZl_FYTrHf96dif_uov2lFvN9bB9n-oH54mP4mzPrEIbeN_E1RGnwvFPgF_WnlP</recordid><startdate>20211001</startdate><enddate>20211001</enddate><creator>Brodribb, Timothy</creator><creator>Brodersen, Craig R.</creator><creator>Carriqui, Marc</creator><creator>Tonet, Vanessa</creator><creator>Dominguez, Celia Rodriguez</creator><creator>McAdam, Scott</creator><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0153-2602</orcidid><orcidid>https://orcid.org/0000-0002-0924-2570</orcidid><orcidid>https://orcid.org/0000-0002-8373-5779</orcidid><orcidid>https://orcid.org/0000-0003-2352-0829</orcidid><orcidid>https://orcid.org/0000-0002-4964-6107</orcidid><orcidid>https://orcid.org/0000-0002-9625-6750</orcidid></search><sort><creationdate>20211001</creationdate><title>Linking xylem network failure with leaf tissue death</title><author>Brodribb, Timothy ; 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Predicting the magnitude of this impact urgently requires an understanding of the process connecting atmospheric drying to plant tissue damage. Recent episodes of forest mortality worldwide have been widely attributed to dry conditions causing acute damage to plant vascular systems. Under this scenario vascular embolisms produced by water stress are thought to cause plant death, yet this hypothetical trajectory has never been empirically demonstrated.
• Here we provide foundational evidence connecting failure in the vascular network of leaves with tissue damage caused during water stress.
• We observe a catastrophic sequence initiated by water column breakage under tension in leaf veins which severs local leaf tissue water supply, immediately causing acute cellular dehydration and irreversible damage.
• By highlighting the primacy of vascular network failure in the death of leaves exposed to drought or evaporative stress our results provide a strong mechanistic foundation upon which models of plant damage in response to dehydration can be confidently structured.</abstract><cop>Lancaster</cop><pub>Wiley</pub><doi>10.1111/nph.17577</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-0153-2602</orcidid><orcidid>https://orcid.org/0000-0002-0924-2570</orcidid><orcidid>https://orcid.org/0000-0002-8373-5779</orcidid><orcidid>https://orcid.org/0000-0003-2352-0829</orcidid><orcidid>https://orcid.org/0000-0002-4964-6107</orcidid><orcidid>https://orcid.org/0000-0002-9625-6750</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Wiley Free Content |
| subjects | Atmospheric models Circulatory system Climate change Connecting Death Dehydration Drought Drying Failure Global warming Leaves Mortality Plant tissues Rapid report stomata Tissue tissue damage Vascular system (plant anatomy) Water circulation Water column Water damage Water shortages Water stress Water supply Xylem xylem cavitation |
| title | Linking xylem network failure with leaf tissue death |
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