Cysteine homeostasis plays an essential role in plant immunity

Nov 27, 2011 | Sin categoría

Cysteine is the metabolic precursor of essential biomolecules such as vitamins, cofactors,antioxidants and many defense compounds. The last step of cysteine metabolism is catalysed by O-acetylserine(thiol)lyase (OASTL), which incorporates reduced sulfur into...

Highly Enantioselective Hydrogenation of b-Acyloxy and b-Acylamino a,b-Unsaturated Phosphonates Catalyzed by Rhodium Phosphane-Phosphite Complexes

Oct 27, 2011 | Artículos del Mes, Artículos del Mes, Artículos del Mes, Artículos del Mes, Artículos del Mes, Artículos del Mes

The enantioselective hydrogenation of b-(acyloxy)- and b-(acylamino)vinylphosphonates with rhodium catalysts based on chiral phosphane-phosphite ligands has been studied. In the case of the b-(acyloxy)vinylphosphonates, the reaction also produces an achiral...

Enhancing the expression of starch synthase class IV results in increased levels of both transitory and long-term storage starch

Sep 27, 2011 | 2011, 2011, 2011, 2011, 2011, 2011

El almidón es el principal compuesto de reserva de las plantas y además tiene un papel esencial en distintos tipos de industrias, por lo que su estudio se muestra muy interesante tanto desde el punto de vista teórico como aplicado. En este trabajo se ha visto que la...

Porous Supramolecularly Templated Optical Resonators Built in 1D Photonic Crystals

Ago 27, 2011 | Sin categoría

En el presente trabajo se presenta una ruta sintética para obtener multicapas fotónicas que presentan una porosidad controlada exclusivamente en un nivel de capa intermedia. La resonancia espectral asociada con esta capa mesoporosa presenta una fuerte sensibilidad a...

Mannosyl-coated nanocomplexes from amphiphilic cyclodextrins and pDNA for site-specific gene delivery

Jul 27, 2011 | Sin categoría

Fully homogeneous facial amphiphiles consisting in a cyclodextrin(CD) platform onto which a polycationic cluster and a multi-tail hydrophobic moiety have been installed (polycationic amphiphilic CDs; paCDs) self-organized in the presence of plasmid DNA to form...

[60]Fullerene as Multivalent Scaffold: Efficient Molecular Recognition of Globular Glycofullerenes by Concanavalin A

Jun 27, 2011 | Sin categoría

A carbohydrate–protein interaction is a key step in many biological processes. This recognition event is, in several cases, one of the first selective steps that triggers a series of biological processes leading to biological functions. This interaction is...