ArticlePlant physiology2000
Differential ion accumulation and ion fluxes in the mesophyll and epidermis of barley.
Article in Plant physiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 84 citations in OpenAlex.
- Salt tolerance in relation to elemental concentrations in leaf cell vacuoles and chloroplasts of a CPlant, cell & environment · 2022Article
- Mechanisms for improving phosphorus utilization efficiency in plants.Annals of botany · 2022Review
- Transport, functions, and interaction of calcium and manganese in plant organellar compartments.Plant physiology · 2021Review
- Calcium Biofortification of Crops-Challenges and Projected Benefits.Frontiers in plant science · 2021Review
- A cross population between D. kaki and D. virginiana shows high variability for saline tolerance and improved salt stress tolerance.PloS one · 2020Article
- Calcium modulates leaf cell-specific phosphorus allocation in Proteaceae from south-western Australia.Journal of experimental botany · 2019Article
- Vacuolar Chloride Fluxes Impact Ion Content and Distribution during Early Salinity Stress.Plant physiology · 2016Article
- Salinity tolerance in plants. Quantitative approach to ion transport starting from halophytes and stepping to genetic and protein engineering for manipulating ion fluxes.Frontiers in plant science · 2015Review
- Polyamines control of cation transport across plant membranes: implications for ion homeostasis and abiotic stress signaling.Frontiers in plant science · 2014Review
- RNA function and phosphorus use by photosynthetic organisms.Frontiers in plant science · 2013Review
- Cell-specific vacuolar calcium storage mediated by CAX1 regulates apoplastic calcium concentration, gas exchange, and plant productivity in Arabidopsis.The Plant cell · 2011Article
- Review
- Comparative physiology of elemental distributions in plants.Annals of botany · 2010Review
- Salt-dependent regulation of a CNG channel subfamily in Arabidopsis.BMC plant biology · 2009Article
- Cytosolic nitrate ion homeostasis: could it have a role in sensing nitrogen status?Annals of botany · 2008Review
- Processes modulating calcium distribution in citrus leaves. An investigation using x-ray microanalysis with strontium as a tracer.Plant physiology · 2004Article
- Regulation of potassium transport in leaves: from molecular to tissue level.Annals of botany · 2003Review
- Na+ tolerance and Na+ transport in higher plants.Annals of botany · 2003Review
- Heterogeneity in bean leaf mesophyll tissue and ion flux profiles: leaf electrophysiological characteristics correlate with the anatomical structure.Annals of botany · 2002Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In barley (Hordeum vulgare L.) leaves, differential ion accumulation commonly results in inorganic phosphate (Pi) being confined to the mesophyll and Ca(2+) to the epidermis, with preferential epidermal accumulation of Cl(-), Na(+), and some other ions. The pattern was confirmed in this study for major inorganic anions and cations by analysis of barley leaf protoplasts. The work focused on the extent to which differences in plasma membrane ion transport processes underlie these observations. Ion transport across the plasma membrane of barley epidermal and mesophyll protoplasts was investigated electrophysiologically (by microelectrode impalement and patch clamping) and radiometrically. Data from both approaches suggested that similar types of ion-selective channels and membrane transporters, which catalyze the transport of Ca(2+), K(+), Na(+), and Pi, exist in the plasma membrane of the two cell types. In general, the simple presence or absence of ion transporters could not explain cell-type-specific differences in ion accumulation. However, patch-clamp data suggested that differential regulation of instantaneously activating ion channels in the plasma membrane could explain the preferential accumulation of Na(+) in the epidermis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.