About: Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study

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About: Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Introduction: Cryoresistance of snow algae and lichens surviving at extreme environments (i.e. freezing temperature) includes ice nucleation activity. However, interspecific differences in cryoresistance exist according to physiological adjustment of the species to in situ conditions. Objectives: We focused on differences in freezing temperatures of snow (Chlamydomonas nivalis, Chloromonas nivalis) and lichen symbiotic algae (Trebouxia erici, T.assymetrica, T.glomerata). The green mesophilic flagellate Chlamydomonas reinhardtii was used as an inner standard. We also focused on growth temperature optimum. Methods: Ice nucleation spectrometry (INS) was used to quantify the number and activity of ice nucleating agents. Temperature optimum was measured using a cross gradient cultivator (temperature x light). Results: Pooled data showed that snow algae had higher value of freezing temperature (minus 9.8 deg C) than lichen symbiotic algae (minus 14.7 deg C). Introduction: Cryoresistance of snow algae and lichens surviving at extreme environments (i.e. freezing temperature) includes ice nucleation activity. However, interspecific differences in cryoresistance exist according to physiological adjustment of the species to in situ conditions. Objectives: We focused on differences in freezing temperatures of snow (Chlamydomonas nivalis, Chloromonas nivalis) and lichen symbiotic algae (Trebouxia erici, T.assymetrica, T.glomerata). The green mesophilic flagellate Chlamydomonas reinhardtii was used as an inner standard. We also focused on growth temperature optimum. Methods: Ice nucleation spectrometry (INS) was used to quantify the number and activity of ice nucleating agents. Temperature optimum was measured using a cross gradient cultivator (temperature x light). Results: Pooled data showed that snow algae had higher value of freezing temperature (minus 9.8 deg C) than lichen symbiotic algae (minus 14.7 deg C). (en)
Title	Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study (en)
skos:prefLabel	Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study Snow algae and lichen algae differ in their resistance to freezing temperature: An ice nucleation study (en)
skos:notation	RIV/00216224:14310/09:00028571!RIV10-AV0-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(KJB601630808)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hájek, Josef Elster, Josef Barták, Miloš Váczi, Peter
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	341904
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00028571
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	snow algae; lichen algae; freezing temperature; ice nucleation spectrometry; Trebouxia; resistance (en)
http://linked.open.../riv/klicoveSlovo	Trebouxia freezing temperature ice nucleation spectrometry lichen algae resistance snow algae
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[384ABE23BF9D]
http://linked.open...i/riv/nazevZdroje	Phycologia
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Effects of low and freezing temperatures on photosynthesis in lichen symbiotic algae affected by ribitol.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Barták, Miloš Elster, Josef Hájek, Josef Kvíderová, Jana Váczi, Peter Worland, Roger
issn	0031-8884
number of pages	2 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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