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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F11%3A00360257%21RIV12-AV0-60077344
rdf:type
n14:Vysledek skos:Concept
dcterms:description
In 2008–2009, we performed in situ experiments examining the effect of glucose addition on silica deposition kinetics and growth rates of Fragilaria crotonensis in the eutrophic Římov Reservoir (Czech Republic). Silica deposition kinetics was measured at 4-h intervals over a 24-h incubation with PDMPO [2-(4-pyridyl)-5{[4-dimethylaminoethylaminocarbamyl)- methoxy] phenyl}oxazole] fluorescence probe. A significant stimulatory effect of glucose supplemented at the concentration of 10-4 M on Fragilaria silification was observed at 20 and 24 h. Fragilaria growth rates almost doubled upon glucose enrichment compared with the untreated control at 24 h. In addition, we conducted a dose-response experiment testing the glucose additions from 10-8 to 10-3 M in a 24-h incubation. Glucose stimulated both Fragilaria silification and growth at concentrations >10–7 M, which might occasionally occur in a reservoir as a result of accidental contamination of water by organic pollution. In 2008–2009, we performed in situ experiments examining the effect of glucose addition on silica deposition kinetics and growth rates of Fragilaria crotonensis in the eutrophic Římov Reservoir (Czech Republic). Silica deposition kinetics was measured at 4-h intervals over a 24-h incubation with PDMPO [2-(4-pyridyl)-5{[4-dimethylaminoethylaminocarbamyl)- methoxy] phenyl}oxazole] fluorescence probe. A significant stimulatory effect of glucose supplemented at the concentration of 10-4 M on Fragilaria silification was observed at 20 and 24 h. Fragilaria growth rates almost doubled upon glucose enrichment compared with the untreated control at 24 h. In addition, we conducted a dose-response experiment testing the glucose additions from 10-8 to 10-3 M in a 24-h incubation. Glucose stimulated both Fragilaria silification and growth at concentrations >10–7 M, which might occasionally occur in a reservoir as a result of accidental contamination of water by organic pollution.
dcterms:title
Kinetics of glucose stimulatory effect on silica deposition and growth of natural populations of Fragilaria crotonensis Kinetics of glucose stimulatory effect on silica deposition and growth of natural populations of Fragilaria crotonensis
skos:prefLabel
Kinetics of glucose stimulatory effect on silica deposition and growth of natural populations of Fragilaria crotonensis Kinetics of glucose stimulatory effect on silica deposition and growth of natural populations of Fragilaria crotonensis
skos:notation
RIV/60077344:_____/11:00360257!RIV12-AV0-60077344
n14:predkladatel
n18:ico%3A60077344
n3:aktivita
n16:P n16:V n16:Z
n3:aktivity
P(GA206/08/0015), P(GA206/09/0309), P(GP206/07/P407), V, Z(AV0Z60170517)
n3:cisloPeriodika
2
n3:dodaniDat
n15:2012
n3:domaciTvurceVysledku
n7:7551452 n7:9497129 n7:7264798
n3:druhVysledku
n12:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
207418
n3:idVysledku
RIV/60077344:_____/11:00360257
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Fragilaria crotonensis; glucose; PDMPO; phytoplankton
n3:klicoveSlovo
n5:phytoplankton n5:PDMPO n5:Fragilaria%20crotonensis n5:glucose
n3:kodStatuVydavatele
JP - Japonsko
n3:kontrolniKodProRIV
[393945A5A04C]
n3:nazevZdroje
Phycological Research
n3:obor
n9:DA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n11:GA206%2F09%2F0309 n11:GA206%2F08%2F0015 n11:GP206%2F07%2FP407
n3:rokUplatneniVysledku
n15:2011
n3:svazekPeriodika
59
n3:tvurceVysledku
Rychtecký, Pavel Nedoma, Jiří Znachor, Petr
n3:wos
000288868000007
n3:zamer
n17:AV0Z60170517
s:issn
1322-0829
s:numberOfPages
6
n20:doi
10.1111/j.1440-1835.2011.00609.x