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Related Concept Videos

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Evolutionary Relationships through Genome Comparisons

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Related Experiment Video

Updated: Jul 17, 2026

An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations
10:17

An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations

Published on: November 3, 2010

Inter-tissue complemention: a simple technique for direct analysis of gene-action sequence.

G M REDDY, E H COE

    Science (New York, N.Y.)
    |October 12, 1962
    PubMed
    Summary

    Researchers determined gene action sequences using complementary interactions in maize. This method maps the order of genes involved in anthocyanin synthesis and may apply to other organisms.

    Area of Science:

    • * Developmental Biology
    • * Genetics
    • * Molecular Biology

    Background:

    • * Understanding the sequence of gene activation is crucial for deciphering complex biological pathways.
    • * Anthocyanin synthesis in maize involves multiple genes, and their precise order of action has been challenging to determine.
    • * Previous methods for gene sequencing were limited in their ability to resolve the temporal order of gene function.

    Purpose of the Study:

    • * To establish a method for determining the linear sequence of gene action.
    • * To construct the gene action sequence for anthocyanin synthesis in maize.
    • * To assess the broader applicability of this technique to other biological systems.

    Main Methods:

    • * Utilizing unidirectional complementary interactions between genetically modified maize tissues.
    Keywords:
    CHROMOSOMES

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  • * Employing synthetically active but genetically blocked tissues to infer gene function order.
  • * Analyzing the interactions to construct a linear sequence of gene activation.

    • Main Results:

    • * A defined linear sequence of gene action was successfully constructed for anthocyanin synthesis in maize.
    • * The study demonstrated the feasibility of using complementary interactions to map gene order.
    • * The results provide a foundational sequence for understanding maize pigment development.

    Conclusions:

    • * The developed technique effectively determines the sequence of gene action.
    • * This approach is likely applicable to other genetic systems with similar interaction requirements.
    • * The findings contribute to a deeper understanding of gene regulatory networks in plants.