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  1. Acrasin a.k.a. Cyclic adenosine monophosphate is a second messenger important in many biological processes. cAMP is derived from adenosine triphosphate and used for intracellular signal transduction in many different organisms, conveying the cAMP-dependent pathway.
  2. Acrasin: Each species of slime mold has its own specific chemical messenger, collectively referred to as acrasins. These chemicals signal that lots of individual cells should move towards each other to form a single large cell or plasmodium. One of the earliest acrasins to be identified was cAMP, found in the species Dictyostelium discoideum by Brian Shaffer, which exhibits a complex swirling-pulsating spiral pattern when forming a pseudoplasmodium.

Printed dictionaries and other books with definitions for Acrasin

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Google previewOrigins of Semiosis (1994)

Sign Evolution in Nature and Culture by Winfried Nöth

In one of the many species of slime molds, Polysphondylium violaceum, the acrasin is a peptide called “glorin” by its discoverers. Peptides are substances which originate from the decomposition of protein compounds and which are therefore ...

Google previewResearch in Protozoology (2013)

by Tze-Tuan Chen

Acrasin is a dialyzable non-protein,” of three component fractions in definite proportion,” which at room temperature is degraded by a dialyzable protein fraction.” Steroid hormones” ” and histidine".” stimulate aggregation, but the mechanism is ...

Google previewThe Evolution of Complexity by Means of Natural Selection (1988)

by John Tyler Bonner

The acrasin is a small molecule which diffuses readily, and the responding cells have THE ...

Google previewExplosive Instabilities in Mechanics (1998)

by Brian Straughan

The acrasin is a chemical produced by the amoebae which is responsible for chemotaxis and the aggregation effect. The acrasin is degraded by an enzyme known as acrasinase. Based on these facts, Keller & Segel (1970) develop a theory ...

Google previewA Dictionary of Plant Sciences (2012)

by Michael Allaby

acrasin. A chemotactic substance involved in the aggregation response of * cellular slime moulds (order Acrasiales). It is now known to be cyclic AMP ( adenosine monophosphate). Acrasiomycetes (division *Myxomycota) A class of * slime ...

Google previewA Dictionary of Genetics (2013)

by Robert C. King, Pamela Mulligan, William Stansfield

Acrasin has been ...

Google previewA Dictionary of Biomedicine (2010)

by John Lackie

It is also a morphogen (acrasin) for some slime moulds. cyclic GMP (cGMP) A * second messenger (the 3',5'-cyclic ester of GMP) generated by guanylyl cyclase. See ATRIAL NATRIVRETIC PEPTIDE; NITRIC OXIDE. cyclic inositol phosphates ...

Google previewThe Dictionary of Science for Gardeners (2015)

6000 Scientific Terms Explored and Explained by Michael Allaby

acrasin The chemical substance that induces chemotaxis in the Myxamoebae of Acrasiomycetes. Acrasiomycetes (cellular slime moulds) ...

Google previewConcise Dictionary of Biomedicine and Molecular Biology (2001)

by Pei-Show Juo

Acrasin A substance produced ...

Google previewDictionary of Entomology, Plant Pathology and Nematology (1998)

by O. P. Singh, S. K. Srivastava

Acrasin: A chemical secreted by few cells (myxamoeba) in members of acrasiomycetes which ...

Google previewLewis' Dictionary of Toxicology (1998)

by Robert Alan Lewis

acrasin. cyclic AMP. Acremonium. a genus of fungi (Family Moniliaceae, Order Moniliales) that causes eumycotic mycetoma. A. coenophialum. an endophytic fungus that infests Festuca ...

Google previewThe Dictionary of Cell and Molecular Biology (2012)

by John M. Lackie

acrasin Name originally given to the chemotactic factor produced ...

Google previewThe Dictionary of Drugs: Chemical Data (2014)

Chemical Data, Structures and Bibliographies by J. Elks

Acrasin. cAMP [60-92-4]...

Google previewAinsworth & Bisby's Dictionary of the Fungi (2008)

by Geoffrey Clough Ainsworth

acrasin, a chemotactically active substance which controls the streaming together of the myxamoebae of Dictyostelium discoideum (Bonner, J. exp. Zool.

Google previewAcademic Press Dictionary of Science and Technology (1992)

by Christopher G. Morris, Academic Press

acrasin Biochemistry ...

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Scrabble value of A1C3R1A1S1I1N1

The value of this 7-letter word is 9 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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