Recently, Escherichia coli cytotoxic necrotizing factor 1 (CNF1) was shown to activate the low-molecular-mass GTPase RhoA by deamidation of Gln63, thereby inhibiting intrinsic and GTPase-activating protein (GAP)-stimulated GTPase activities (G. Schmidt, P. Sehr, M. Wilm, J. Selzer, M. Mann, and K. Aktories, Nature 387:725-729, 1997; G. Flatau, E. Lemichez, M. Gauthier, P. Chardin, S. Paris, C. ...

One of the most significant developments in the history of human being is the invention of a way of keeping records of human knowledge, thoughts and ideas. In 1926, the work of several thinkers such as Edouard Le Roy, Vladimir Vernadsky and Teilhard de Chardin led to the concept of noosphere, thus the idea that human cognition and knowledge transforms the biosphere coming to be something like t...

J. J. Sylvester has announced formulas expressing the subresultants (or the successive polynomial remainders for the Euclidean division) of two polynomials, in terms of some double sums over the roots of the two polynomials. We prove Sylvester formulas using the techniques of multivariate polynomials involving multi-Schur functions and divided differences. Introduction and statement of the main...

Seed mixtures with a nurse grass that germinates quickly at low soil temperatures can be an option for faster establishment of Agrostis stolonifera (AS) putting greens after winter damage. From 2015 to 2018 Poa trivialis (PT) ‘Dark Horse’ and Lolium perenne (LP) ‘Chardin’ were evaluated as grasses in comparison pure AS ‘Independence’ two experimental sites each the major climatic zones Nordic c...

: Este ensayo reflexiona sobre los problemas no médicos generalizados que plantea la pandemia, especialmente su intensificación del trasplante de conciencia humana a dominios virtuales. Resucitando concepción noosfera Teilhard Chardin 1922, “la envoltura pensante tierra”, ilustramos cómo tradición digital anticipó surgió las tradiciones orales, escritas y visuales precedieron. Identificamos alg...