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| rdf:type
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| Description
| - The effects of different phosphorus (P) nutrition were studied on the rotifer Brachionus calyciflorus. We examined population growth rate, reproduction, and phosphatase activity in digestive tracts of individual rotifers fed by P-replete or P-depleted algal food supplied at three carbon (C) concentrations (1, 2, and 4 mg C L–1). Both growth rate and egg production of B. calyciflorus were enhanced on the P-replete diet (molar C:P = 107) and reduced on the P-depleted diet (C:P = 920). Rotifers fed P-replete algae had about a two times higher egg ratio than rotifers fed P-depleted algae, whereas the egg ratio was little affected by the C concentrations of either P-content food. Phosphatase activity in the gut likely reflected individual needs of the rotifers under different food treatments or variable individual assimilation of P, or both. This result suggests that rotifers can differently assimilate either P-content food by regulating the activity of digestive enzymes.
- The effects of different phosphorus (P) nutrition were studied on the rotifer Brachionus calyciflorus. We examined population growth rate, reproduction, and phosphatase activity in digestive tracts of individual rotifers fed by P-replete or P-depleted algal food supplied at three carbon (C) concentrations (1, 2, and 4 mg C L–1). Both growth rate and egg production of B. calyciflorus were enhanced on the P-replete diet (molar C:P = 107) and reduced on the P-depleted diet (C:P = 920). Rotifers fed P-replete algae had about a two times higher egg ratio than rotifers fed P-depleted algae, whereas the egg ratio was little affected by the C concentrations of either P-content food. Phosphatase activity in the gut likely reflected individual needs of the rotifers under different food treatments or variable individual assimilation of P, or both. This result suggests that rotifers can differently assimilate either P-content food by regulating the activity of digestive enzymes. (en)
- Studovaly se účinky různého obsahu fosforu (P) v potravě vířníka Brachionus calyciflorus na populační růst, reprodukci a fosfatázovou aktivitu v trávicím traktu jednotlivých vířníků krmených P-bohatou a P-deficientní řasovou suspenzí o třech koncentracích uhlíku (C: 1, 2, and 4 mg C L–1). Jak růstová rychlost, tak produkce vajíček B. calyciflorus byla vyšší pro P-bohatou potravu. (C:P = 107) a nižší pro P-deficientní potravu (C:P = 920). Vířníci krmení P-bohatou řasou měli dvakrát vyšší tzv. egg ratio než ti krmení P-deficientní řasou, zatímco egg ratio málo záviselo na koncentraci C. Fosfatázová aktivita ve střevu zřejmě odrážela individuální potřebu vířníků v různých potravních nabídkách nebo proměnlivou individuální asimilaci P, anebo obojí. Tento výsledek ukazuje, že vířníci mohou asimilovat potravu s různým obsahem P odlišně, pomocí regulace aktivity trávicích enzymů. (cs)
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| Title
| - Diet quality impact on growth, reproduction, and digestive activity in Brachionus calyciflorus./i
- Diet quality impact on growth, reproduction, and digestive activity in Brachionus calyciflorus./i (en)
- Vliv kvality potravy na růst, reprodukci a aktivitu trávicího enzymu u Brachionus calyciflorus./i (cs)
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| skos:prefLabel
| - Diet quality impact on growth, reproduction, and digestive activity in Brachionus calyciflorus./i
- Diet quality impact on growth, reproduction, and digestive activity in Brachionus calyciflorus./i (en)
- Vliv kvality potravy na růst, reprodukci a aktivitu trávicího enzymu u Brachionus calyciflorus./i (cs)
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| skos:notation
| - RIV/60077344:_____/08:00318600!RIV09-AV0-60077344
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| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - P(IAA600170602), Z(AV0Z60170517), Z(MSM6007665801)
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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
| |
| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/60077344:_____/08:00318600
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Brachionus; phosphorus limitation; growth; reproduction; phosphatase (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
| |
| http://linked.open...i/riv/nazevZdroje
| - Journal of Plankton Research
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Nedoma, Jiří
- Seďa, Jaromír
- Vrba, Jaroslav
- Štrojsová, Martina
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| http://linked.open...ain/vavai/riv/wos
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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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