Esterase Variants in Four Species of the Paramecium aurelia Complex 1 [PDF]
, 1982 One hundred eighty-eight stocks of Paramecium primaurelia, P. biaurelia, P. tetraurelia , and P. octaurelia were grown axenically and tested for five esterases, visualized by starch gel electrophoresis, in a search for variant stocks.
Allen, Sally Lyman +3 more
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Spliced DNA sequences in the Paramecium germline: their properties and evolutionary potential
, 2014 Despite playing a crucial role in germline-soma differentiation, the evolutionary significance of developmentally regulated genome rearrangements (DRGRs) has received scant attention. An example of DRGR is DNA splicing, a process that removes segments of
Catania, F. (Francesco) +3 more
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, 1951 The field under review is growing so rapidly that it is impossible to cover more than a sampling of recent papers in the allotted space. Important subjects such as the genetics and chemistry of viruses and certain topics in bacterial genetics have had ...
Horowitz, N. H., Mitchell, H. K.
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The Purification of DNA from the Genomes of Paramecium aurelia and Tetrahymena pyriformis 1 [PDF]
, 1971 Methods are described for the recovery of highly purified DNA from Paramecium aurelia and Tetrahymena pyriformis in high yields. Our DNA is only slightly contaminated with RNA and carbohydrate, and little or no protein can be detected.
Allen +28 more
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Tritium-Induced Effects in Paramecium Aurelia
Experimental Biology and Medicine, 1951 Summary and ConclusionsEffects induced by metabolized radioactive hydrogen (tritium or T) and presumed to be genetic in nature have been measured in Paramecium aurelia. Organisms were allowed to divide 6 to 8 times during 2 days in culture fluid containing T in concentrations varying from 1 to 100 mc per ml. With increasing radioactivity of the medium,
E. L. Powers, Deborah Shefner
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Intraspecies Variability in the Esterases and Acid Phosphatases of Paramecium jenningsi and Paramecium multimicronucleatum : Assignment of Unidentified Paramecia; Comparison with the P. aurelia Complex 1 [PDF]
, 1983 Enzyme electrophoresis was exploited to identify stocks of paramecia previously not identified to particular species. Stocks collected in India and one from Panama belong to Paramecium jenningsi , while others collected in Panama or in Brazil are ...
Adams +22 more
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Gause's exclusion principle revisited: artificial modified species and competition
, 2000 Gause's principle of competition between two species is studied when one of them is sterile. We study the condition for total extinction in the niche, namely, when the sterile population exterminates the native one by an optimal use of resources.
Aluja M +10 more
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Rediscovering the genus Lyticum, multiflagellated symbionts of the order Rickettsiales [PDF]
, 2013 Among the bacterial symbionts harbored by the model organism Paramecium, many still lack a recent investigation that includes a molecular characterization.
BOSCARO, VITTORIO +9 more
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Ecological pleiotropy and indirect effects alter the potential for evolutionary rescue
Evolutionary Applications, Volume 12, Issue 3, Page 636-654, March 2019., 2019 Abstract Invading predators can negatively affect naïve prey populations due to a lack of evolved defenses. Many species therefore may be at risk of extinction due to overexploitation by exotic predators. Yet the strong selective effect of predation might drive evolution of imperiled prey toward more resistant forms, potentially allowing the prey to ...
John P. DeLong, Jonathan Belmaker
wiley +1 more source
Effects of ultraviolet irradiation on the carbohydrate metabolism of Paramecium aurelia [PDF]
, 1975 The changes induced in carbohydrate metab. of P. aurelia by exposure to uv irradn. were investigated. Uv radiation for 5 min caused an increase in carbohydrate levels followed by a fall after longer periods of irradn.
Kasturi Bai, A.R., Manjula, M.K.
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