A MYOSIN-LIKE PROTEIN IN THE CORTICAL LAYER OF THE SEA URCHIN EGG

An interaction between actinand myosin-like proteins and its implication in cellular motilities have been suggested in a variety of cells other than muscle (reviewed by Taylor, 1972, and by Rebhun, 1972) . Actually, those proteins have been extracted and purified from certain kinds of cells . They may be located mainly in the cell cortex (Ishikawa et al ., 1969) . In sea urchin eggs, although an actin-like protein which could interact with rabbit skeletal muscle myosin in a manner similar to muscle actin was extracted and purified from acetone powder of whole cell (Miki-Noumura and Oosawa, 1969), an actomyosin-like component has not been detected in the isolated cortex (Mabuchi and Sakai, 1972) . However, extensive studies on this line have confirmed that a myosin-like component was contained in the 0 .6 M KCl-extract of the isolated cortex of the sea urchin egg . It will be called "ovomyosin" in this paper .

• Publication year

  1973

• Venue

  Journal of Cell Biology

• Publication date

  1973-11-01

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.1083/JCB.59.2.542PMID 4281431PMCID 2109094
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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