Marcello Barbieri

Learn More
Biosemiotics is the idea that life is based on semiosis, i.e., on signs and codes. This idea has been strongly suggested by the discovery of the genetic code, but so far it has made little impact in the scientific world and is largely regarded as a philosophy rather than a science. The main reason for this is that modern biology assumes that signs and(More)
Recent advances in the evolutionary genetics of sex determination indicate that DMRT1 may be a vertebrate equivalent of the Drosophila melanogaster master sex regulator gene, doublesex. The role of DMRT1 seems to be confined to some aspects of male sex differentiation, whereas in Drosophila, doublesex has wider developmental effects in both sexes. This(More)
The intracellular localizations of phosphatidylinositol 4,5-bisphosphate (PIP2) and of its hydrolyzing enzyme phospholipase C (PLC; in this case the beta 1 isoform) have been evaluated by electron microscope immunocytochemistry in cells exposed to mitogenic or differentiating agents. These cells have been previously demonstrated to present a signal(More)
The discovery of the genetic code took place between 1961 and 1966, and almost immediately inspired the idea of a deep link between biology and semiotics. The manifesto of this new synthesis was written by George and Muriel Beagle in 1966 with a single simple sentence: “The deciphering of the genetic code has revealed our possession of a language much older(More)
Modern biology has not yet come to terms with the presence of many organic codes in Nature, despite the fact that we can prove their existence. As a result, it has not yet accepted the idea that the great events of macroevolution were associated with the origin of new organic codes, despite the fact that this is the most parsimonious and logical explanation(More)
Thomas Sebeok and Noam Chomsky are the acknowledged founding fathers of two research fields which are known respectively as Biosemiotics and Biolinguistics and which have been developed in parallel during the past 50 years. Both fields claim that language has biological roots and must be studied as a natural phenomenon, thus bringing to an end the old(More)
Biosemiotics is the synthesis of biology and semiotics, and its main purpose is to show that semiosis is a fundamental component of life, i.e., that signs and meaning exist in all living systems. This idea started circulating in the 1960s and was proposed independently from enquires taking place at both ends of the Scala Naturae. At the molecular end it was(More)
The standard approach to the definition of the physical quantities has not produced satisfactory results with the concepts of information and meaning. In the case of information we have at least two unrelated definitions, while in the case of meaning we have no definition at all. Here it is shown that both information and meaning can be defined by operative(More)