ArticleAnnals of botany2002
Heterogeneity in bean leaf mesophyll tissue and ion flux profiles: leaf electrophysiological characteristics correlate with the anatomical structure.
Article in Annals of botany, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Analysis of Electrome as a Tool for Plant Monitoring: Progress and Perspectives.Plants (Basel, Switzerland) · 2025Review
- Co-application of organic amendments and natural biostimulants on plants enhances wheat production and defense system under salt-alkali stress.Scientific reports · 2024Article
- Illumination/Darkness-Induced Changes in Leaf Surface Potential Linked With Kinetics of Ion Fluxes.Frontiers in plant science · 2019Article
- Aquaporin gene expression and apoplastic water flow in bur oak (Quercus macrocarpa) leaves in relation to the light response of leaf hydraulic conductance.Journal of experimental botany · 2009Article
- Regulation of potassium transport in leaves: from molecular to tissue level.Annals of botany · 2003Review
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Authors and funding
3 authors.
Funding
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Abstract
It has been suggested for some time that the architectural properties of leaf venation are related to leaf functions; however, experimental evidence is scant and, when present, mainly investigates water or carbohydrate transport patterns. Transport of inorganic nutrients in relationship to leaf anatomical structure remains, to a large extent, an unexplored area in plant physiology. In this study, we correlated ion flux profiles with the anatomical structure of bean (Vicia faba L.) leaf mesophyll tissue using a non-invasive ion flux measuring technique (microelectrode ion flux estimation) and scanning electron microscopy. Quasi-periodic patterns of net H+ and K+ flux distributions were found when the mesophyll surface was scanned along the longitudinal axis with 0.1-0.2 mm increments. These patterns showed a high correlation with anatomical features of the mesophyll tissue (i.e. the distribution of vascular bundles). The observed flux profiles were not time-dependent, showed qualitative similarity in both light and dark conditions, and resulted in heterogeneous plant physiological responses. The possible physiological role of the observed findings, specifically in relation to stomatal 'patchiness' and phloem loading mechanisms, is discussed.
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