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The arrangement of chloroplast in cells influences the reabsorption of chlorophyll fluorescence emission. The effect of desiccation on the chlorophyll fluorescence spectra of Rhizomnium punctatum leaves

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F99%3A00000741" target="_blank" >RIV/61989592:15310/99:00000741 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The arrangement of chloroplast in cells influences the reabsorption of chlorophyll fluorescence emission. The effect of desiccation on the chlorophyll fluorescence spectra of Rhizomnium punctatum leaves

  • Original language description

    Chlorophyll fluorescence spectra measured with leaves are distorted by the effect of fluorescence reabsorption. A heterogeneous theoretical model describing the effect of chloroplast arrangement in a cell on the distortion of chlorophyll fluorescence spectra due to reabsorption was formulated. Desiccation of leaves of a moss Rhizomnium punctatum was carried out as a simple model experiment. The parameters entering the model (maximal number of chloroplasts forming columns in a cell, chloroplast size andchlorophyll concentration in a chloroplast) were estimated by means of light microscopy and spectrophotometry. During the desiccation, a grouping of chloroplasts was observed by light microscopy and the chlorophyll fluorescence emission and excitation s pectra of the leaves were measured at room temperature and at 77 K. The leaves were infiltrated with DCMU. The ratio F685/F735 of the main emission bands decreased by about 50 % at room temperature and by about 30 % at 77 K upon decreasing

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    1999

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Photosynthesis Research

  • ISSN

    0166-8595

  • e-ISSN

  • Volume of the periodical

    62

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    XX - stateless person

  • Number of pages

    10

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database