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Adenosine-3',5'-phosphate: identification as acrasin in a species of cellular slime mold

Science (New York, N.Y.)
|September 12, 1969
PubMed

Insights

Acrasin, the chemical signal that guides cellular slime mold aggregation, has been identified as adenosine-3

Area of Science:

  • Cellular biology
  • Biochemistry
  • Developmental biology

Background:

  • Cellular slime molds exhibit aggregation behavior.
  • A chemotactic agent, known as acrasin, mediates this aggregation process.
  • The specific identity of acrasin was previously unknown for many species.

Purpose of the Study:

  • To identify the chemical nature of acrasin in Dictyostelium discoideum.
  • To understand the molecular basis of cell-cell communication in slime molds.

Main Methods:

  • Chemical analysis of the aggregation-inducing substance.
  • Bioassays using Dictyostelium discoideum to confirm chemotactic activity.

Main Results:

  • The chemotactic agent acrasin was identified as adenosine-3', 5'-phosphate.
  • This molecule elicits aggregation behavior in Dictyostelium discoideum.

Conclusions:

  • Adenosine-3', 5'-phosphate is the primary acrasin in Dictyostelium discoideum.
  • This finding clarifies a key mechanism in slime mold development and communication.

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