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Related Experiment Videos

[Poly(A)-containing RNA from germinating wheat embryos].

N G Filimonov, M A Aĭtkhozhin, K G Gazarian

    Molekuliarnaia Biologiia
    |May 1, 1978
    PubMed
    Summary

    Polyadenylated messenger RNA (mRNA) plays a crucial role in wheat embryo translation. Informosomes contain 11% polyadenylated mRNA, while polyribosomes contain 38%, highlighting the importance of poly(A) sequences.

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    Biokhimiia (Moscow, Russia)·1994

    Area of Science:

    • Molecular Biology
    • Plant Science
    • Biochemistry

    Context:

    • Wheat embryos are a model system for studying seed germination and early development.
    • Messenger RNA (mRNA) contains poly(A) sequences, which are important for its stability and translation.
    • Informosomes and polyribosomes are distinct cellular fractions involved in mRNA processing and translation.

    Purpose:

    • To investigate the distribution of poly(A) sequences in different mRNA fractions of imbibed wheat embryos.
    • To determine the role of poly(A) sequences in mRNA translation.

    Summary:

    • Rapidly labeled mRNAs were isolated from informosomes and polyribosomes of imbibed wheat embryos.
    • Poly(U) Sepharose chromatography was used to study the distribution of poly(A) sequences in these fractions.
    • Results showed that 11% of mRNA in informosomes and 38% in polyribosomes were polyadenylated.

    Impact:

    • The findings suggest that poly(A) sequences are essential for efficient mRNA translation in wheat embryos.
    • This study contributes to understanding post-transcriptional gene regulation in plants.
    • The data provides insights into the mechanisms of mRNA processing and translation during seed germination.

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