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paramyosin

paramyosin

9.9
A protein in the muscles of some animals without backbones that helps them move
  • noun
  • /ˌpærəˈmaɪəsɪn/
  • Specialized
: paramiosina
  • The study revealed that paramyosin is essential for the muscle structure of many invertebrates.
  • paramyosin and myosin
  • UNC-82 interacts with paramyosin
  • paramyosin during thick filament

Examples

  • Researchers discovered that paramyosin plays a critical role in muscle contraction in certain marine animals.

  • By studying paramyosin, scientists aim to enhance their understanding of muscle physiology in invertebrates.

  • The proposal that UNC-82 interacts with paramyosin early in the assembly pathway is supported by results from three types of experiments.

    Academic text (2016)
  • Myosin and paramyosin distribution in unc-82 mutants

    Academic text (2016)
  • We propose that UNC-82 catalytic activity is required in a processing step that precedes the association of paramyosin with UNC-98 and myosin A (Figure 9).

    Academic text (2016)
  • We propose that UNC-82 is required in an early step in paramyosin, and probably myosin B, assembly that occurs prior to the association of paramyosin with UNC98/ZnF, myosin A, or several other M-line proteins (Figure 9).

    Academic text (2016)
  • We propose that UNC-82 is required in an early step in paramyosin, and probably myosin B, assembly that occurs prior to the association of paramyosin with UNC98/ZnF, myosin A, or several other M-line proteins (Figure 9).

    Academic text (2016)
  • The motor protein myosin assembles upon the surface of this paramyosin core, where its motor domain can interact with actin filaments to slide the two filament systems past each other and accomplish contraction of the muscle cell.

    Academic text (2016)

Surface Forms

paramyosin singular
paramyosins plural

Morphology

paramyosin = myosin (semi-transparent) = para + myosin

The word is formed regularly from para- plus myosin, but the specialized biological meaning is not fully predictable for an average learner.

Etymology

Paramyosin comes from para- meaning 'beside' and myo- meaning 'muscle'. So paramyosin is a protein that sits 'beside' the main muscle protein, which helps explain why it supports muscle fibers in animals like worms and mollusks.