1997
DOI: 10.3354/meps153077
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Behavioral components of feeding selectivity of the heterotrophic dinoflagellate Protoperidinium pellucidum

Abstract: Protopend~nlum pelluc~clum 1s a pallium feedlng heterotrophic dlnoflagellate that captures phytoplankton cells ~ndlvldually and dlgests them extelnally In laboratoiy cultures P pellucjdum feeds on d var~ety of dldtom species and a limited number of dinoilagellate species, and grows mole rapidlv on diatoms than dlnoflagellates When offered food in mixed assemblages, i t feeds selectively on dlatoms over dinoflagellates and selects between diatom specles Selectrvlt) between different diatom species does not appe… Show more

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Cited by 103 publications
(68 citation statements)
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“…In 55% of cases, a failure to attach the tow filament after prey encounter was recorded and in 83% of cases, Fibrocapsa japonica was able to escape from the attached tow filament, indicating that motility of F. japonica is a quite effective defence mechanism against pallium-feeding dinoflagellates. This is in line with results presented by Buskey (1997), who observed a lower capture success of Protoperidinium pellucidum feeding on motile prey than on non-motile diatoms. Comparing Ditylum brightwelli with Dunaliella tertiolecta as food for Oblea rotunda, Strom & Buskey (1993) noted that the non-motile diatom consistently supported higher rates of growth and grazing than the motile flagellate.…”
Section: Discussionsupporting
confidence: 93%
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“…In 55% of cases, a failure to attach the tow filament after prey encounter was recorded and in 83% of cases, Fibrocapsa japonica was able to escape from the attached tow filament, indicating that motility of F. japonica is a quite effective defence mechanism against pallium-feeding dinoflagellates. This is in line with results presented by Buskey (1997), who observed a lower capture success of Protoperidinium pellucidum feeding on motile prey than on non-motile diatoms. Comparing Ditylum brightwelli with Dunaliella tertiolecta as food for Oblea rotunda, Strom & Buskey (1993) noted that the non-motile diatom consistently supported higher rates of growth and grazing than the motile flagellate.…”
Section: Discussionsupporting
confidence: 93%
“…Comparing Ditylum brightwelli with Dunaliella tertiolecta as food for Oblea rotunda, Strom & Buskey (1993) noted that the non-motile diatom consistently supported higher rates of growth and grazing than the motile flagellate. In addition to prey size (Hansen 1992) and chemosensory signals (Hauser et al 1975, Spero 1985, Buskey 1997, feeding selectivity among pallium-feeding heterotrophic dinoflagellates may thus partly be ascribed to prey motility as an active defence mechanism. The quantification of motility as an effective defence mechanism presented here, however, may be variable and may mainly depend on the swimming activity of the F. japonica cells, which in turn depend on both environmental factors and physiological conditions (Khan et al 1998).…”
Section: Discussionmentioning
confidence: 99%
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“…The underlying assumption that herbivores can detect the nutritional value of their food is supported by several experimental studies (Cowles et al 1988;DeMott 1989;Buskey 1997;John and Davidson 2001;Schatz and McCauley 2007;Martel 2009). For instance, various zooplankton species can sense the nutrient content of their prey through chemical cues such as the chemical composition of their outer cell surface (Martel 2009) and leakage of nutrientrich molecules (Buskey 1997;Kiørboe 2008).…”
Section: Herbivore Dynamicsmentioning
confidence: 99%
“…huxleyi is well within the size range of available prey for microzooplankton, which are capable of selectively choosing prey (Burkill et al, 1987;Buskey, 1997). The selection process may occur during detection, prey capture, handling, ingestion, or a combination of all four.…”
Section: Introductionmentioning
confidence: 99%