NELSON R. CABEJ

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"Cabej attempts to explain the major changes in the evolutionary history of animals (novelties, reversions, losses, atavisms, and convergences), as well as animal speciation process, as the results of heritable epigenetic variations initiated in the central nervous system (CNS) during development. This is an interesting point of view, which at first sight is similar to those suggested by West-Eberhard in Developmental Plasticity and Evolution (2003), and by Jablonka and Lamb in Evolution in Four Dimensions (2005). . . I believe that Cabej is right in arguing that the evolution of the nervous system significantly altered and accelerated metazoan evolution. His focus of the evolution of the neuron and the first nervous systems from a primitive neuro-endocrine system is interesting neuro-endocrine system is interesting and deserves to be given an important place in evolutionary studies . . . Epigenetic Principles of Evolution . . . covers a very wide area and provides a host of useful examples arguing convincingly that the nervous system has a central role in animal evolution."~ Eva Jablonka for BioEssays (June 2009).

"This book takes a stance on evolution that goes beyond natural selection and the Modern Synthesis to incorporate the emergence of new forms through epigenetic processes, which are referred to as the "user" of the "genetic toolkit" . . . Epigenetic Principles of Evolution provides a convincing, comprehensive compilation of evidence for the importance of epigenetic processes in metazoan evolution. I recommend it." ~ Liane Gabora for The Quarterly Review of Biology (June 2009).

A website devoted to the epigenetic mechanisms as the driving force of the evolution in metazoans.

Epigenetic mechanisms dealt with herein transcend the conventional mechanisms of gene imprinting and chromosome remodeling to encompass the whole spectrum of epigenetic mechanisms and phenomena, the nature and the origin of epigenetic information, its role in the process of evolution and speciation.

The recognition of the role of epigenetic information and epigenetic mechanisms in the development and evolution of metazoans invalidates the use of adjective genetic synonymously to and interchangeably with inherited; what metazoans inherit is not only genetic material but epigenetic information and epigenetic mechanisms as part of the epigenetic system of heredity to which genes and the genetic system of heredity are subordinate.

The genetic metaphor of the “genetic tool kit” happened to perfectly describe that relationship between the epigenetic and genetic systems of heredity, as a relationship between the epigenetic “user” of the genetic tools.

 

 

 

 

       

             

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Epigenetic Principles of Evolution by Nelson R. Cabej.  Albanet Publishing.  LCCN 2007906153; ISBN 0971074674. 880 pages - ed 1.  Available through Amazon.com Epigenetic Principles of Evolution

Organic evolution is seen as a process of the spread of evolutionary changes in natural populations under the action of natural selection but the mechanism of the emergence of these changes has been neglected.

    In this work the problem of evolution is dealt with from a new perspective.  Based on extensive evidence, and avoiding theoretical speculations to the greatest possible extent, Cabej focuses on the developmental mechanisms of evolutionary change rather than their spread in populations.  In doing so, he reveals the epigenetic “user” of the “genetic tool kit” and demonstrates the dominant role of epigenetic mechanisms and epigenetic information in generating evolutionary novelties.

    His radically new insights into the process of metazoan evolution comprise:

      -         The dominant role of epigenetic information in heredity and evolution

      -         The computational origin of epigenetic information

      -         Epigenetic determination of individual development

      -         Epigenetic origin of the evolutionary change as it arises in the process of individual development

      -         Epigenetic basis of speciation

    The book is of special interest to all biologists who are aware of the explanatory dead end that the Modern Synthesis has come to.     

   

 

 

 

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