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Related Experiment Videos

Serum alkaline phosphatase polymorphism in pigs.

D Kierek-Jaszczuk, M Zurkowski, E Składanowska-Krzyzanowska

    Animal Blood Groups and Biochemical Genetics
    |January 1, 1979
    PubMed
    Summary

    Genetic variants of serum alkaline phosphatase were identified in Złotnicka Pstra pigs using starch gel electrophoresis. The study suggests genetic control by three alleles, AkpA, AkpB, and AkpC, for observed phenotypes.

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    Area of Science:

    • Animal Genetics
    • Biochemistry
    • Molecular Biology

    Background:

    • Serum alkaline phosphatase (ALP) is an enzyme with various physiological roles.
    • Genetic polymorphism in ALP can impact animal breeding and health.
    • Understanding ALP genetic variants is crucial for livestock improvement.

    Purpose of the Study:

    • To investigate the genetic variants of serum alkaline phosphatase (ALP) in the Złotnicka Pstra breed of pigs.
    • To characterize the phenotypes and suggest the underlying genetic control of ALP in this pig breed.

    Main Methods:

    • Starch gel electrophoresis was employed to analyze serum samples.
    • Migration patterns of alkaline phosphatase were observed and categorized.
    • Phenotype frequencies and segregation ratios were analyzed.

    Main Results:

    • Two distinct regions of alkaline phosphatase migration were identified.
    • Region I showed a single fraction, while Region II exhibited four phenotypes: AB, B, BC, and BD.
    • A three-allele model (AkpA, AkpB, AkpC) was proposed for the genetic control of phenotypes AB, B, and BC.
    • Observed segregation ratios deviated significantly from expected Mendelian ratios in some cases.

    Conclusions:

    • The study identified genetic polymorphism in serum alkaline phosphatase within the Złotnicka Pstra pig breed.
    • The findings suggest a complex genetic basis for ALP, potentially involving three codominant alleles.
    • Further research is needed to clarify the genetic control and explain the observed segregation deviations.

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