The amino acid sequences of sesame (Sesamum indicum L.) and castor (Ricinus communis L.) cytochrome c were determined by using 1.5mumol of protein from each species. Both molecules consist of a single chain of 111 amino acid residues and are homologous with other mitochondrial cytochrome c molecules. Both have an N-acetylated ;tail' of eight amino acids and two in-N-trimethyl-lysine residues, a...

Macrodactylus nigripes (Bates) es una plaga que ataca el cultivo del maíz causando pérdidas económicas en la producción. Con finalidad de encontrar alternativas agroecológicas para su manejo, objetivo fue evaluar efecto aplicación Argemone mexicana L., Ricinus communis L, Beauveria bassiana (Bals) Vuill y Metharrizium anisoplae (Metschnikoff) Sorokin, así como colecta M. con red golpeo maíz. El...

Methylethanolamine synthesis by S-adenosyl-l-methionine:ethanolamine N-methyltransferase from an extract of castor bean (Ricinus communis L. var Hale) endosperm was characterized. The apparent Michaelis-Menten constants of the enzyme for ethanolamine and S-adenosyl-l-methionine were estimated to be 6.7 and 1.4 mum, respectively, although the K(m) for ethanolamine is imprecise because of strong ...

Light was not essential for the development of ribulose-1,5-diphosphate carboxylase protein or catalytic activity in the photosynthetic cotyledons of germinating castor beans (Ricinus communis). Cotyledons developing in the dark showed higher activity than those in the light. Returning cotyledons developing in the light to darkness resulted in a significant increase in ribulose-1,5-diphosphate ...