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| Description
| - The species-specific production of extracellular phosphatases in phytoplankton of a subtropical polymictic lake was investigated from March to May 2004. Phosphatase activity was detected directly at the site of enzyme action using the enzyme labelled fluorescence (ELF) technique. Phosphatase-positive cells were present in every phytoplankton sample; labelled cells were detected in 33 algal taxa of many chlorophytes, dinoflagellates, and some diatoms, but never among cyanobacteria. We recorded an unusual dinoflagellate bloom (Peridiniopsis sp.) of which /~25% of the cells were phosphatase-positive. The production of extracellular phosphatases was not primarily regulated by ambient P concentrations; algae produced these enzymes even if SRP concentrations were high. Moreover, heterotrophic nanoflagellates most probably contributed to the pool of particle-bound phosphatase activity in some samples.
- The species-specific production of extracellular phosphatases in phytoplankton of a subtropical polymictic lake was investigated from March to May 2004. Phosphatase activity was detected directly at the site of enzyme action using the enzyme labelled fluorescence (ELF) technique. Phosphatase-positive cells were present in every phytoplankton sample; labelled cells were detected in 33 algal taxa of many chlorophytes, dinoflagellates, and some diatoms, but never among cyanobacteria. We recorded an unusual dinoflagellate bloom (Peridiniopsis sp.) of which /~25% of the cells were phosphatase-positive. The production of extracellular phosphatases was not primarily regulated by ambient P concentrations; algae produced these enzymes even if SRP concentrations were high. Moreover, heterotrophic nanoflagellates most probably contributed to the pool of particle-bound phosphatase activity in some samples. (en)
- Produkce extracelulárních fosfatáz byla na druhové úrovni studována v subtropickém polymiktickém jezeře od března do května 2004. Fosfatázová aktivita byla přímo detekována v místě aktivity pomocí ELF metodiky. Buňky s fosfatázovou aktivitou byly v každém vzorku; značené buňky patřily 33 rodům řas – hlavně zeleným řasám, obrněnkám a rozsivkám, ale nikdy sinicím. Zaznamenali jsme neobvyklý vodní květ Peridiniopsis sp., z něhož asi 25 % populace měla fosfatázovou aktivitu. Produkce extracelulárních fosfatáz nebyla primárně regulovaná koncentrací P; řasy produkovaly enzymy i když byla koncentrace SRP vysoká. Heterotrofičtí bičíkovci pravděpodobně také přispívali k fosfatázové aktivitě v některých vzorcích. (cs)
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| Title
| - Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China)
- Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China) (en)
- Detekce extracelulárních fosfatáz v jarním fytoplanktonu mělkého eutrofního jezera (Donghu, Čína) (cs)
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| skos:prefLabel
| - Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China)
- Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China) (en)
- Detekce extracelulárních fosfatáz v jarním fytoplanktonu mělkého eutrofního jezera (Donghu, Čína) (cs)
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| skos:notation
| - RIV/60077387:_____/05:00023047!RIV06-AV0-60077387
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA6017202), P(ME 617), V, Z(AV0Z60170517)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60077387:_____/05:00023047
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - enzyme labelled fluorescence; phosphatase activity; phytoplankton (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - European Journal of Phycology
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Zapomělová, Eliška
- Vrba, Jaroslav
- Znachor, Petr
- Zhou, Y.
- Liu, G.
- Štrojsová, Alena
- Cao, X.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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