The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
New evidence for a role of vessel‐associated cells and phloem in the rapid xylem refilling of cavitated stems of Laurus nobilis L.
Open accessAbstract
Xylem recovery from embolism was studied in Laurus nobilis L. stems that were induced to cavitate by combining negative xylem pressure potentials (PX = −1.1 MPa) with positive air pressures (PC) applied using a pressure collar. Xylem refilling was measured by recording the percentage loss of hydraulic conductance (PLC) with respect to the maximum 2 min, 20 min and 15 h after pressure release. Sodium orthovanadate (an inhibitor of many ATP‐ases) strongly inhibited xylem refilling while fusicoccin (a stimulator of the plasma membrane H+‐ATPase) promoted complete embolism reversal. So, the refilling process was interpreted to result from energy‐dependent mechanisms. Stem girdling induced progressively larger inhibition to refilling the nearer to the embolized stem segment phloem was removed. The starch content of wood parenchyma was estimated as percentages of ray and vasicentric cells with high starch content with respect to the total, before and after stem embolism was induced. A closely linear positive relationship was found to exist between recovery from PLC and starch hydrolysis. This, was especially evident in vasicentric cells. A mechanism for xylem refilling based upon starch to sugar conversion and transport into embolized conduits, assisted by phloem pressure‐driven radial mass flow is proposed.
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Cites
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Vulnerability Of Xylem To Cavitation And Embolism
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A method for measuring hydraulic conductivity and embolism in xylem
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Water deficits and hydraulic limits to leaf water supply
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Refilling of Embolized Vessels in Young Stems of Laurel. Do We Need a New Paradigm?1
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Cited by
McDowell, N., Pockman, W. T., Allen, C. D., Breshears, D. D., Cobb, N., Kolb, T., Plaut, J., Sperry, J., West, A., Williams, D. G., et al. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02436.x · Cited by 4,472
Plant xylem hydraulics: What we understand, current research, and future challenges
Venturas, M. D., Sperry, J. S., & Hacke, U. G. (2017) · Journal of Integrative Plant Biology · doi:10.1111/jipb.12534 · Cited by 487
Lovisolo, C., Perrone, I., Carra, A., Ferrandino, A., Flexas, J., Medrano, H., & Schubert, A. (2010) · Functional Plant Biology · doi:10.1071/fp09191 · Cited by 417
Maintenance of xylem Network Transport Capacity: A Review of Embolism Repair in Vascular Plants
Brodersen, C. R., & McElrone, A. J. (2013) · Frontiers in Plant Science · doi:10.3389/fpls.2013.00108 · Cited by 332
Metadata
- Authors
- SALLEO, S., LO GULLO, M. A., TRIFILÒ, P., & NARDINI, A.
- Venue
- Plant, Cell & Environment
- Publisher
- Wiley
- Published
- 2004-07-22
- Volume
- 27
- Issue
- 8
- Pages
- 1065-1076
- ISSN
- 0140-7791 (ISSN-L)
- 1365-3040
- OpenAlex
- W2104432483
- Cited by
- 256
- References
- 29
- FWCI
- 10.12
- Type
- journal article
- Language
- en
- Open access
- bronze
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- SALLEO, S., LO GULLO, M. A., TRIFILÒ, P., & NARDINI, A. (2004). New evidence for a role of vessel‐associated cells and phloem in the rapid xylem refilling of cavitated stems of Laurus nobilis L. Plant, Cell & Environment. https://doi.org/10.1111/j.1365-3040.2004.01211.x
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