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  • Blackwell Publishing Ltd  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Tissue to tissue symplastic communication in the shoots of etiolated corn seedlings (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 79 (1990), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Carboxyfluorescein, a symplastic probe, was applied to the cut mesocotyl base or coleoptile apex of etiolated Zea mays cv. Silver Queen seedlings and its transport measured and tissue distribution determined. Long-distance longitudinal symplastic transport of the carboxyfluorescein was mainly in the vascular stele. It moved laterally from the mesocotyl stele to the mesocotyl cortex but the presence of a weak barrier limited the movement. A partial symplastic barrier was also present near the coleoptile-mesocotyl node.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1990.tb00032.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Apoplastic domains and sub-domains in the shoots of etiolated corn seedlings (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 79 (1990), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Light Green, an apoplastic probe, was applied to the cut mesocotyl base or to the cut coleoptile apex of etiolated seedlings of Zea mays L. cv. Silver Queen. Probe transport was measured and its tissue distribution determined. In the mesocotyl, there is an apoplastic barrier between cortex and stele. This barrier creates two apoplastic domains which are non-communicating. A kinetic barrier exists between the apoplast of the mesocotyl stele and that of the coleoptile. This kinetic barrier is not absolute and there is limited communication between the apoplasts of the two regions. This kinetic barrier effectively creates two sub-domains. In the coleoptile, there is communication between the apoplast of the vascular strands and that of the surrounding cortical tissue. No apoplastic communication was observed between the coleoptile cortex and the mesocotyl cortex. Thus, the apoplastic space of the coleoptile cortex is a sub-domain of the integrated coleoptile domain and is separate from that of the apoplastic domain of the mesocotyl cortex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1990.tb00031.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Light regulates symplastic communication in etiolated corn seedlings (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 83 (1991), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of light on symplastic communication in dark grown maize seedlings was tested using the symplastic probe carboxyfluorescein. Prior white-light irradiation stimulated longitudinal transport of carboxyfluorescein in the mesocotyl stele of dark-grown seedlings. The stimulation was multiphasic with a positive followed by a negative phase. Lateral transport from the stele into the mesocotyl cortex was inhibited by the prior white-light irradiation. The inhibitory effect of prior white-light irradiation on lateral transport was completely photo-modulatable by terminal farred and far-red/red irradiations, suggesting the involvement of phytochrome. The stimulatory effect of the prior white irradiation observed for the stele, however, was not photoreversible. It is suggested that environmental factors, such as light, might modulate growth and development, in part, by modulating symplastic cell to cell communication and thus the distribution of nutrients and growth regulators.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1991.tb01294.x
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    Paper (German National Licenses)
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