About: In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic

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About: In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The effects of desiccation on photochemical processes and nitrogenase activity was evaluated in Nostoc commune s.l. colonies from a wet thufur meadow in Svalbard. The colonies were subjected to slow desiccation at low temperature and low irradiance and the protochemical processes were measured using variable chlorophyll fluorescence and the nitrogenase activity using acetylene-ethylene reduction assay. No changes in colony shape was observed till the colony lost 30% of its fully-hydrated state weight (original weight) and such partly-hydrated state could be even beneficial due to better difusion of CO2 and N2 into cells. Even loss of 50% of the original weight did not affect the metabolical processes. The nitrogeanse activity was not detectable when the colony lost 80 % of its original weight and the photochemistry ceased when the colony lost more than 90 % of its original weight indicating thus good adaptation to water fluctuation and desiccation in situ. The effects of desiccation on photochemical processes and nitrogenase activity was evaluated in Nostoc commune s.l. colonies from a wet thufur meadow in Svalbard. The colonies were subjected to slow desiccation at low temperature and low irradiance and the protochemical processes were measured using variable chlorophyll fluorescence and the nitrogenase activity using acetylene-ethylene reduction assay. No changes in colony shape was observed till the colony lost 30% of its fully-hydrated state weight (original weight) and such partly-hydrated state could be even beneficial due to better difusion of CO2 and N2 into cells. Even loss of 50% of the original weight did not affect the metabolical processes. The nitrogeanse activity was not detectable when the colony lost 80 % of its original weight and the photochemistry ceased when the colony lost more than 90 % of its original weight indicating thus good adaptation to water fluctuation and desiccation in situ. (en)
Title	In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic (en)
skos:prefLabel	In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic (en)
skos:notation	RIV/60077344:_____/11:00365238!RIV12-MSM-60077344
http://linked.open...avai/predkladatel	Biologické centrum AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA600660605), P(LA341), P(LC06066), P(ME 934), Z(AV0Z60050516), Z(AV0Z60660521)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šimek, Miloslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	204021
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/11:00365238
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	desiccation; cyanobacteria; Arctic (en)
http://linked.open.../riv/klicoveSlovo	Arctic desiccation cyanobacteria
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D0F430D4E25F]
http://linked.open...i/riv/nazevZdroje	Fottea
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Biological and climat diverzity of central part of Svalbard Arctic archipelago http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20934 Soil microbial community in nitrogen-induced stress conditions: impact on formation of greenhouse gases in and emissions from agricultural soils Center for Environmental Microbiology
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Elster, Josef Šimek, Miloslav Kvíderová, Jana
http://linked.open...ain/vavai/riv/wos	000291511200009
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku Relationships between the structure and function of decomposer food web in soil
issn	1802-5439
number of pages	11 (xsd:int)
is http://linked.open...avai/riv/vysledek of	In situ response of Nostoc commune s.l. colonies to desiccation in Central Svalbard, Norwegian High Arctic

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