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Acetyl groups in cell-wall preparations from higher plants.

J S Bacon, A H Gordon, E J Morris

    The Biochemical Journal
    |August 1, 1975
    PubMed
    Summary
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    O-Acetyl groups were found in plant cell walls using spectroscopy and chemical analysis. These groups likely affect cell wall structure and how plant materials are digested by enzymes.

    Area of Science:

    • Plant Biology
    • Biochemistry
    • Spectroscopy

    Background:

    • Plant cell walls are complex structures primarily composed of polysaccharides.
    • The precise chemical modifications of cell wall components can significantly impact their properties.

    Purpose of the Study:

    • To detect and confirm the presence of O-Acetyl groups in plant cell walls.
    • To investigate the potential role of O-Acetyl groups in cell wall structure and enzymatic digestion.

    Main Methods:

    • Infrared (i.r.) spectroscopy was employed to identify O-Acetyl groups in cell-wall preparations.
    • Chemical analyses were performed to confirm the findings from spectroscopy.

    Main Results:

    • O-Acetyl groups were successfully detected in cell-wall preparations from various grasses and higher plants.

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  • The presence and quantity of O-Acetyl groups were chemically verified.

    • Conclusions:

    • O-Acetyl groups are a component of higher plant cell walls.
    • The amount of O-Acetyl groups is likely to influence the physical properties of cell wall polysaccharides.
    • O-Acetyl groups may affect the susceptibility of plant cell walls to enzymatic degradation.