Volume 25, Issue 3 (July 1980)

    Genetic Markers in Semen. III: Alteration of Phosphoglucomutase Isozyme Patterns in Semen Contaminated with Saliva

    (Received 1 October 1979; accepted 24 November 1979)

    Published Online: July

    CODEN: JFSOAD

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    Abstract

    Contamination of semen by saliva can result in the alteration of seminal phosphoglucomutase (PGM1) isozyme patterns. The alteration is characterized by the gradual loss of the a and b isozyme bands with the concomitant generation of anodal bands; eventually, all PGM activity is lost. The conversion of PGM isozyme patterns has been shown to be due to a dialyzable heat-labile factor in saliva and a nondialyzable heat-labile factor in semen. The implications of this conversion for PGM typing in sexual assault evidence are discussed.


    Author Information:

    Northey, DH
    Criminalist, Contra Costa County Sheriff's Office, Criminalistics Laboratory, Martinez, Calif

    Blake, ET
    Criminalist, Forensic Science Associates, Emeryville, Calif

    Sensabaugh, GF
    Associate professor,


    Stock #: JFS11248J

    ISSN: 0022-1198

    DOI: 10.1520/JFS11248J

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    Author
    Title Genetic Markers in Semen. III: Alteration of Phosphoglucomutase Isozyme Patterns in Semen Contaminated with Saliva
    Symposium , 0000-00-00
    Committee E30