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Antibodies elicited by defined oligodeoxyribonucleotide sequences.

H J Störl, H Simon, H Barthelmes

    Nucleic Acids Research
    |December 1, 1978
    PubMed
    Summary

    Researchers developed antibodies against specific short DNA sequences (oligodeoxyribonucleotides) in rabbits. These antibodies specifically recognize the unique sequence of these DNA fragments, not just the building blocks.

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    Area of Science:

    • Immunology
    • Molecular Biology
    • Nucleic Acid Chemistry

    Background:

    • Antibodies are crucial tools for detecting specific molecules.
    • Oligodeoxyribonucleotides are short DNA strands with potential biological roles.
    • Understanding antibody specificity to DNA sequences is important for diagnostics and therapeutics.

    Purpose of the Study:

    • To generate antibodies against defined oligodeoxyribonucleotides.
    • To characterize the specificity of these generated antibodies.
    • To determine if antibodies can recognize specific DNA sequences.

    Main Methods:

    • Immunization of rabbits with electrostatic complexes of oligodeoxyribonucleotides and methylated bovine serum albumin (MBSA).
    • Assay of antisera using complement fixation with denatured DNA.
    • Determination of antibody specificity via inhibition assays with defined oligodeoxyribonucleotides.

    Main Results:

    • Successfully elicited antibodies against d(pT)3, d(pT)4, d(pT)6, and d(pA-A-T-T).
    • Antibodies showed specificity in complement fixation assays.
    • Antibody specificity was confirmed to be sequence-dependent, recognizing specific oligodeoxyribonucleotide arrangements or subsequences.

    Conclusions:

    • Antibodies can be generated to recognize specific sequences of oligodeoxyribonucleotides.
    • These sequence-specific antibodies can be valuable tools in molecular biology and immunology.
    • The findings highlight the potential for developing highly specific DNA-binding antibodies.

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