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  Purification and characterization of phosphoglucose isomerase allozymes from Daphnia magna.

Boriss, H. (2001). Purification and characterization of phosphoglucose isomerase allozymes from Daphnia magna. Biochimie, 83(10), 979-984.

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Boriss, H., 2991, S-37718.pdf (Publisher version), 95KB
 
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Boriss, H., 2991, S-37718.pdf
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 Creators:
Boriss, Hinnerk1, Author           
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1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: phosphoglucose isomerase; Daphnia magna; allozymes
 Abstract: Phosphoglucose isomerase (PGL EC 5.3.1.9) is polymorphic in many populations. Frequently, it has been shown that naturally occurring allozymes exhibit strong deviations form Hardy-Weinberg expectations, suggesting fitness relevant mutations. To investigate the nature of this allozymic variation, PGI was purified from Daphnia magna to high purity yielding a specific activity of 135.2 U/mg. The kinetic parameters of the allozymes were characterized depending upon ionic strength, pH and viscosity. The half-saturation constants of the allozymes were all equal, while the specific activity of the PGI from heterozygotes was consistently higher than the PGI of the homozygotes independent of pH, ionic strength and viscosity of the solution.

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Language(s): eng - English
 Dates: 2001-10
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 116999
Other: 2021/S 37718
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Title: Biochimie
Source Genre: Journal
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Pages: - Volume / Issue: 83 (10) Sequence Number: - Start / End Page: 979 - 984 Identifier: ISSN: 0300-9084