Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria
Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-li...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Grover, James P. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2009 |
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| Übergeordnetes Werk: |
Enthalten in: Microbial ecology - New York, NY : Springer, 1974, 58(2009), 2 vom: 30. Jan., Seite 231-243 |
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| Übergeordnetes Werk: |
volume:58 ; year:2009 ; number:2 ; day:30 ; month:01 ; pages:231-243 |
| Links: |
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| DOI / URN: |
10.1007/s00248-009-9486-z |
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| Katalog-ID: |
SPR002877600 |
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| 100 | 1 | |a Grover, James P. |e verfasserin |4 aut | |
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| 520 | |a Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. | ||
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| 700 | 1 | |a Chrzanowski, Thomas H. |4 aut | |
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10.1007/s00248-009-9486-z doi (DE-627)SPR002877600 (SPR)s00248-009-9486-z-e DE-627 ger DE-627 rakwb eng Grover, James P. verfasserin aut Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2009 Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 Chrzanowski, Thomas H. aut Enthalten in Microbial ecology New York, NY : Springer, 1974 58(2009), 2 vom: 30. Jan., Seite 231-243 (DE-627)254630197 (DE-600)1462065-0 1432-184X nnns volume:58 year:2009 number:2 day:30 month:01 pages:231-243 https://dx.doi.org/10.1007/s00248-009-9486-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 58 2009 2 30 01 231-243 |
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10.1007/s00248-009-9486-z doi (DE-627)SPR002877600 (SPR)s00248-009-9486-z-e DE-627 ger DE-627 rakwb eng Grover, James P. verfasserin aut Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2009 Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 Chrzanowski, Thomas H. aut Enthalten in Microbial ecology New York, NY : Springer, 1974 58(2009), 2 vom: 30. Jan., Seite 231-243 (DE-627)254630197 (DE-600)1462065-0 1432-184X nnns volume:58 year:2009 number:2 day:30 month:01 pages:231-243 https://dx.doi.org/10.1007/s00248-009-9486-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 58 2009 2 30 01 231-243 |
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10.1007/s00248-009-9486-z doi (DE-627)SPR002877600 (SPR)s00248-009-9486-z-e DE-627 ger DE-627 rakwb eng Grover, James P. verfasserin aut Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2009 Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 Chrzanowski, Thomas H. aut Enthalten in Microbial ecology New York, NY : Springer, 1974 58(2009), 2 vom: 30. Jan., Seite 231-243 (DE-627)254630197 (DE-600)1462065-0 1432-184X nnns volume:58 year:2009 number:2 day:30 month:01 pages:231-243 https://dx.doi.org/10.1007/s00248-009-9486-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 58 2009 2 30 01 231-243 |
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10.1007/s00248-009-9486-z doi (DE-627)SPR002877600 (SPR)s00248-009-9486-z-e DE-627 ger DE-627 rakwb eng Grover, James P. verfasserin aut Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2009 Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 Chrzanowski, Thomas H. aut Enthalten in Microbial ecology New York, NY : Springer, 1974 58(2009), 2 vom: 30. Jan., Seite 231-243 (DE-627)254630197 (DE-600)1462065-0 1432-184X nnns volume:58 year:2009 number:2 day:30 month:01 pages:231-243 https://dx.doi.org/10.1007/s00248-009-9486-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 58 2009 2 30 01 231-243 |
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10.1007/s00248-009-9486-z doi (DE-627)SPR002877600 (SPR)s00248-009-9486-z-e DE-627 ger DE-627 rakwb eng Grover, James P. verfasserin aut Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2009 Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 Chrzanowski, Thomas H. aut Enthalten in Microbial ecology New York, NY : Springer, 1974 58(2009), 2 vom: 30. Jan., Seite 231-243 (DE-627)254630197 (DE-600)1462065-0 1432-184X nnns volume:58 year:2009 number:2 day:30 month:01 pages:231-243 https://dx.doi.org/10.1007/s00248-009-9486-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 58 2009 2 30 01 231-243 |
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English |
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Enthalten in Microbial ecology 58(2009), 2 vom: 30. Jan., Seite 231-243 volume:58 year:2009 number:2 day:30 month:01 pages:231-243 |
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Enthalten in Microbial ecology 58(2009), 2 vom: 30. Jan., Seite 231-243 volume:58 year:2009 number:2 day:30 month:01 pages:231-243 |
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Bacterial Abundance Prey Abundance Total Dissolve Nitrogen Total Dissolve Phosphorus Prey Concentration |
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Microbial ecology |
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Grover, James P. @@aut@@ Chrzanowski, Thomas H. @@aut@@ |
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2009-01-30T00:00:00Z |
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Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. 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Grover, James P. |
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Grover, James P. misc Bacterial Abundance misc Prey Abundance misc Total Dissolve Nitrogen misc Total Dissolve Phosphorus misc Prey Concentration Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria |
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Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria Bacterial Abundance (dpeaa)DE-He213 Prey Abundance (dpeaa)DE-He213 Total Dissolve Nitrogen (dpeaa)DE-He213 Total Dissolve Phosphorus (dpeaa)DE-He213 Prey Concentration (dpeaa)DE-He213 |
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Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria |
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Grover, James P. |
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dynamics and nutritional ecology of a nanoflagellate preying upon bacteria |
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Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria |
| abstract |
Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. © Springer Science+Business Media, LLC 2009 |
| abstractGer |
Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. © Springer Science+Business Media, LLC 2009 |
| abstract_unstemmed |
Abstract Ingestion and growth rates of the nanoflagellate predator Ochromonas danica feeding on the bacterium Pseudomonas fluorescens were quantified in laboratory cultures. Bacterial prey were grown under four nutritional conditions with respect to macronutrient elements: C-limited, N-limited, P-limited, and balanced. Ingestion and growth rates were saturating functions of prey abundance when preying upon nutritionally balanced, C-limited, and P-limited bacteria but were unimodal functions of abundance when preying on N-limited bacteria. At saturating prey concentrations, the ingestion rate of C-limited prey was about twice that of prey in other nutritional states, while at subsaturating prey concentrations, the ingestion rates of both C- and N-limited prey were higher than those of prey in other nutritional states. Over all prey concentrations, growth was most rapid on balanced and C-limited prey and generally lowest for P-limited prey. Due to the unimodal response of growth rate to abundance of N-limited prey, growth rate on N-limited prey approached that obtained on balanced and C-limited prey when prey were available at intermediate abundances. The accumulation of recycled N increased with the growth rate of O. danica. Recycling of N was highest when O. danica was feeding upon P-limited prey. The accumulation of recycled P increased with growth rate for balanced and N-limited prey, but not for P-limited prey, which consistently had low accumulation of recycled P. The low growth rate and negligible recycling of P for O. danica preying on P-limited prey is consistent with the theory of ecological stoichiometry and resembles results found for crustacean zooplankton, especially in the genus Daphnia. Potentially, the major predators of bacterioplankton and a major predator of phytoplankton play analogous roles in the trophic dynamics and biogeochemistry of aquatic ecosystems. © Springer Science+Business Media, LLC 2009 |
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| title_short |
Dynamics and Nutritional Ecology of a Nanoflagellate Preying Upon Bacteria |
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https://dx.doi.org/10.1007/s00248-009-9486-z |
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Chrzanowski, Thomas H. |
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| doi_str |
10.1007/s00248-009-9486-z |
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| score |
7.4002485 |