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Freezing and desiccation injury resistance in the filamentous green alga klebsormidium fromthe Antarctic, Arctic and Slovakia

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F08%3A00313372" target="_blank" >RIV/67985939:_____/08:00313372 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Freezing and desiccation injury resistance in the filamentous green alga klebsormidium fromthe Antarctic, Arctic and Slovakia

  • Original language description

    The freezing and desiccation tolerance of 12 Klebsormidium strains, isolated from various habitats (aero?terrestrial, terrestrial, and hydro?terrestrial) from distinct geographical regions (Antarctic ? South Shetlands, King George Island, Arctic ? Ellesmere Island, Svalbard, Central Europe ? Slovakia) were studied. Each strain was exposed to several freezing (?4 °C, ?40 °C, ?196 °C) and desiccation (+4 °C and +20 °C) regimes, simulating both natural and semi?natural freeze?thaw and desiccation cycles. The level of resistance (or the survival capacity) was evaluated by chlorophyll a content, viability, and chlorophyll fluorescence evaluations. No statistical differences (Kruskal?Wallis tests) between strains originating from different regions were observed. All strains tested were highly resistant to both freezing and desiccation injuries. Freezing down to ?196 °C was the most harmful regime for all studied strains. Freezing at ?4 °C did not influence th

  • Czech name

    Odolnost vláknitých řas rodu Klebsormidium vyizolovaných v Arktidě, Antarktidě a na Slovensku k zmrazování a vysychání

  • Czech description

    Tolerance k stresům způsobeným vymrzáním a vysycháním byly studovány u 12 kmenů Klebsormidium vyizolovaných v různých aerotorestrických, terestrických a mokřadních biotopů Arktidy, Antarktidy a Slovenska. Každý studovaný kmen bvl vystaven několika režimům vysychání +4 °C and +20 °C a vymrzání ?4 °C, ?40 °C, ?196 °C. Schopnost přežívat tyto stresové zátěže byla studována pomocí několika metod 1. obsah Chlorofylu, 2. vitalita a 3. fluorescence chlorofylu. Nebyly nalezeny statisticky významné rozdíly mezistudovanými kmeny. Vymrzání do ?196 °C bylo nejvíce letální. Vymrzání do ?4 °C neovlivnilo přežívání.

Classification

  • Type

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

  • CEP classification

    EF - Botany

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/MEB080822" target="_blank" >MEB080822: Comparison of selected features of polar and temparate cyanobacteria and algae (polyphasic approach)</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Biologia

  • ISSN

    0006-3088

  • e-ISSN

  • Volume of the periodical

    63

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    9

  • Pages from-to

  • UT code for WoS article

    000261401600013

  • EID of the result in the Scopus database