1989
DOI: 10.2307/1938201
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Clonal Diversity in Populations of Polysphondylium Pallidum, A Cellular Slime Mold

Abstract: Populations of the cellular slime mold Polysphondylium pallidum contain clones that differ in their abilities to use bacterial resources. We found abundant diversity among isolates obtained from plots of several square metres and from single soil cores 1.1 cm in diameter. The variation we were measuring was not due to genetic changes induced by our manipulation. Previously, isolation of different species of cellular slime molds from sample areas, metres to hectares in extent, has prompted studies of mechanisms… Show more

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Cited by 8 publications
(4 citation statements)
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“…Samples 76-105 were collected at scattered points within 1500 m of this site. All samples were separated by a minimum distance of 1 m. Soil samples were collected in plastic cups, returned to the laboratory and processed as described by Ketcham & Eisenberg (1989). The procedure involved plating soil extract on non-nutrient agar plates coated with bacteria.…”
Section: Collectionmentioning
confidence: 99%
“…Samples 76-105 were collected at scattered points within 1500 m of this site. All samples were separated by a minimum distance of 1 m. Soil samples were collected in plastic cups, returned to the laboratory and processed as described by Ketcham & Eisenberg (1989). The procedure involved plating soil extract on non-nutrient agar plates coated with bacteria.…”
Section: Collectionmentioning
confidence: 99%
“…Given their global distribution, it is not surprising that dictyostelids can feed on a wide range of bacteria (Raper 1937; Raper and Smith 1939). Food “preferences” and competitive advantages amongst dictyostelid isolates have been observed (Eisenberg et al 1989; Horn 1971; Ketcham et al 1988; Ketcham and Eisenberg 1989). Experiments profiling gene expression during D. discoideum feeding on Gram positive or Gram negative bacteria suggest prey and predators communicate with each other using chemical cues (Carilla-Latorre et al 2008; Nasser et al 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Intraspecific trait variation has been found in phytoplankton (Brand, ), Acanthamoeba polyphaga (Jacobson & Band ), Polysphondylium pallidum (also a CSM, now renamed Heterostelium pallidum; Ketcham & Eisenberg, ), and D. giganteum (Sathe et al, ). For all we know, every soil microbe may provide an example.…”
Section: Interstrain Differences and Neutral Phenotypesmentioning
confidence: 99%