About: Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions

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About: Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The potential for N2 fixation by heterocystous cyanobacteria isolated from soils of different geographical areas was determined as nitrogenase activity (NA) using the acetylene reduction assay. Morphology of cyanobacteria had the largest influence on NA determined under light conditions. NA was generally higher in species lacking thick slime sheaths. The highest value (1446 nmol/h C2H4 per g fresh biomass) was found in the strain of branched cyanobacterium Hassalia (A Has 1) from the polar region. A quadratic relationship between NA and biomass was detected in the Tolypothrix group under light conditions. The decline of NA in dark relative to light conditions ranged from 37 to 100 % and differed among strains from distinct geographical areas. Unlike the NA of temperate and tropical strains, whose decline in dark relative to light was 24 and 17 %, respectively, the NA of polar strains declined to 1 % in the dark. The potential for N2 fixation by heterocystous cyanobacteria isolated from soils of different geographical areas was determined as nitrogenase activity (NA) using the acetylene reduction assay. Morphology of cyanobacteria had the largest influence on NA determined under light conditions. NA was generally higher in species lacking thick slime sheaths. The highest value (1446 nmol/h C2H4 per g fresh biomass) was found in the strain of branched cyanobacterium Hassalia (A Has 1) from the polar region. A quadratic relationship between NA and biomass was detected in the Tolypothrix group under light conditions. The decline of NA in dark relative to light conditions ranged from 37 to 100 % and differed among strains from distinct geographical areas. Unlike the NA of temperate and tropical strains, whose decline in dark relative to light was 24 and 17 %, respectively, the NA of polar strains declined to 1 % in the dark. (en)
Title	Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions (en)
skos:prefLabel	Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions (en)
skos:notation	RIV/60077344:_____/10:00349707!RIV11-MSM-60077344
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(IAA600660605), P(LC06066), S, Z(AV0Z50200510), Z(AV0Z60660521), Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šimek, Miloslav Lukešová, Alena
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	248899
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/10:00349707
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biological dinitrogen fixation; soil cyanobacteria; strain origin (en)
http://linked.open.../riv/klicoveSlovo	biological dinitrogen fixation soil cyanobacteria strain origin
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[480309A5BD09]
http://linked.open...i/riv/nazevZdroje	Folia Microbiologica
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	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	2010
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Hrčková, K. Hrouzek, Pavel Lukešová, Alena Šimek, Miloslav
http://linked.open...ain/vavai/riv/wos	000282873200010
http://linked.open...n/vavai/riv/zamer	Microorganisms in Research and Biotechnology Relationships between the structure and function of decomposer food web in soil EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	0015-5632
number of pages	7 (xsd:int)

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