The study of living cells, isolated or in tissues, in several applications, requires the use of microscopy techniques. The fluorescence microscopes are specially important for making possible images with enhancement of ...

The clavulanic acid is a powerful inhibitor of the beta-lactamases produced by bacterias resistants to penicillin and cefalosporin. This acid is produced industrially by strains of Streptomyces clavuligerus in complex ...

The need for new and useful compounds to provide assistance and relief in all aspects of human condition is ever-growing. Drug resistance in bacteria, the appearance of life-threatening viruses, and the increase in the ...

The sugarcane weevil, Sphenophorus levis, is an important pest in sugarcane culture in São Paulo state, Brazil. To complete its life cycle, S. levis may depends on microorganisms that inhabit its intestinal tract and play ...

Cysteine proteases are enzymes found in many organisms and are characterized by the presence of cysteine residue in their active site. These proteases play an important role in the organism metabolism. In pathogenic organisms, ...

Endophytic microorganisms lives in symbiotic association with plants and in one unique biological niche, and they are potential producers of natural bioactive substances with different chemical structure and biological ...

Streptococcus pneumoniae (pneumococo) is a pathogenic bacterium that causes several infections which are aggravated by the increase of serotypes with antibiotics resistance. The development of an effective vaccine against ...

Pipeline systems for genomic and transcriptomic analysis aim to create communication bridges among the existing analysis tools, therefore reducing researchers efforts. Most of the pipelines found in the literature lack ...

The development of the biotechnology has permitted to achieve, among other biotechnological products, many recombinant proteins which are largely used as vaccines, hormones, enzymes and other ways of human therapeutic ...

The Gram-positive genus Bacillus is of great biotechnological importance. Their ability to secrete enzymes efficiently during fermentation is exploited for the production of extracellular enzymes such as penicillin G acylase ...