Intraspecies Variability in the Esterases and Acid Phosphatases of Four Species of the Paramecium aurelia Complex 1
dc.contributor.author | Allen, Sally Lyman | en_US |
dc.contributor.author | Nerad, Thomas A. | en_US |
dc.contributor.author | Rushford, Caroline L. | en_US |
dc.date.accessioned | 2010-06-01T18:24:03Z | |
dc.date.available | 2010-06-01T18:24:03Z | |
dc.date.issued | 1983-02 | en_US |
dc.identifier.citation | ALLEN, SALLY LYMAN; NERAD, THOMAS A.; RUSHFORD, CAROLINE L. (1983). "Intraspecies Variability in the Esterases and Acid Phosphatases of Four Species of the Paramecium aurelia Complex 1 ." Journal of Eukaryotic Microbiology 30(1): 131-143. <http://hdl.handle.net/2027.42/71609> | en_US |
dc.identifier.issn | 1066-5234 | en_US |
dc.identifier.issn | 1550-7408 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/71609 | |
dc.description.abstract | One hundred eighty-eight stocks of Paramecium primaurelia. P. biaurelia, P. tetraurelia. and P. octaurelia were grown axenically and screened for variation in four different esterases and acid phosphatase using starch gel electrophoresis. Major observations: frequency of intraspecies variation for these enzymes is much lower in these four species than in other organisms; hypervariability for two esterases occurs in P. biaurelia both in isolates from worldwide locales and in a restricted locale; clustering of variations occurs in a high proportion of variant stocks in all four species; frequency of intraspecies variation is highest in Central and South America for all four species; and geographical differentiation is lacking between stocks in the same species both for common as well as variant phenotypes despite the cosmopolitan distribution of these species. These results are not correlated with adaptations that favor inbreeding over outbreeding. nor is the possession of bacterial endosymbionts strongly correlated with enzyme variation. When the riequency of intraspecies variation was examined for the aurelia complex of species as a whole for 13 enzymes, mitochondrial DNA, and ribosomal DNA, differences between enzymes in frequency of variation could be seen, ranging from less than 2% for seven enzymes to 12.4% for glucosephosphate isomerase, a value similar to that observed for malic dehydrogenase, mitochondrial DNA, and ribosomal DNA in P. tetraurelia. The percentage of polymorphic enzyme loci in the complex as a whole was found to be much lower than that observed for other organisms. For the species more intensely studied in this paper the level of genetic polymorphism was also much lower, although P. biaurelia showed greater variability for two of the enzymes. | en_US |
dc.format.extent | 1352875 bytes | |
dc.format.extent | 3109 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.publisher | Blackwell Publishing Ltd | en_US |
dc.rights | 1983 by the Society of Protozoologists | en_US |
dc.title | Intraspecies Variability in the Esterases and Acid Phosphatases of Four Species of the Paramecium aurelia Complex 1 | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Biological Chemistry | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Division of Biological Sciences, University of Michigan, Ann Arbor. Michigan 48109 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/71609/1/j.1550-7408.1983.tb01047.x.pdf | |
dc.identifier.doi | 10.1111/j.1550-7408.1983.tb01047.x | en_US |
dc.identifier.source | Journal of Eukaryotic Microbiology | en_US |
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dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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