Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Species identification by fragmented DNA].

C Baur, J Teifel-Greding, E Liebhardt

    Beitrage Zur Gerichtlichen Medizin
    |January 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Robotic system for cervical spine surgery.

    The international journal of medical robotics + computer assisted surgery : MRCAS·2011
    Same author

    [The clinical spectrum of urea cycle defects in adult patients].

    Zeitschrift fur Gastroenterologie·2011
    Same author

    Side-to-side differences in bone strength in master jumpers and sprinters.

    Journal of musculoskeletal & neuronal interactions·2011
    Same author

    A navigation system for open liver surgery: design, workflow and first clinical applications.

    The international journal of medical robotics + computer assisted surgery : MRCAS·2011
    Same author

    A haptic guidance tool for CT-directed percutaneous interventions.

    Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
    Same author

    A non-contact mouse for surgeon-computer interaction.

    Technology and health care : official journal of the European Society for Engineering and Medicine·2004
    Same journal

    [A screening method for rapid detection of barbiturates in serum using tandem mass spectrometry].

    Beitrage zur gerichtlichen Medizin·1992
    Same journal

    [Bolus death and drowning--expression of central nervous system dysregulation?].

    Beitrage zur gerichtlichen Medizin·1992
    Same journal

    [Toxic alcohol dysmyelopoiesis--bone marrow histology studies of a forensic medicine autopsy sample].

    Beitrage zur gerichtlichen Medizin·1992
    Same journal

    [Effect of ethanol on plasma amino acid concentration in man].

    Beitrage zur gerichtlichen Medizin·1992
    Same journal

    [Acute and chronic effect of alcohol--a long-term problem in forensic medicine autopsies].

    Beitrage zur gerichtlichen Medizin·1992
    Same journal

    [Alcohol drinking behavior in a sample of students].

    Beitrage zur gerichtlichen Medizin·1992
    See all related articles

    DNA dot-blot hybridization can identify meat species, even with degraded DNA. Fragment length impacts results when using high molecular weight DNA probes, but not with degraded probes.

    Area of Science:

    • Food science
    • Molecular biology
    • Forensic science

    Background:

    • Species identification in meat products is crucial for food safety and authenticity.
    • DNA-based methods, like DNA dot-blot hybridization, are commonly used for meat species determination.
    • The impact of DNA degradation on the accuracy of these methods requires further investigation.

    Purpose of the Study:

    • To evaluate the influence of DNA quality, specifically degradation, on the reliability of DNA dot-blot hybridization for meat species identification.
    • To compare the performance of degraded DNA as a probe versus high molecular weight DNA probes.

    Main Methods:

    • Artificially degraded DNA samples were prepared.
    • DNA dot-blot hybridization experiments were conducted using both degraded and high molecular weight DNA probes.

    Related Experiment Videos

  • The specificity and discreteness of the hybridization reaction were analyzed based on DNA fragment size.

    • Main Results:

    • Degraded DNA samples could still be successfully identified according to their species.
    • A decrease in DNA fragment size led to a less discrete hybridization reaction when high molecular weight DNA was used as a probe.
    • This effect of fragment size on reaction discreteness was not observed when using degraded DNA as a probe.

    Conclusions:

    • DNA dot-blot hybridization remains a valid method for meat species identification even with degraded DNA.
    • The choice of probe (degraded vs. high molecular weight) influences how DNA fragment size affects the specificity of the hybridization results.
    • These findings have implications for forensic and food authenticity analysis where DNA may be compromised.