The potential cytotoxicity and genotoxicity of three industrial wastewaters (brewery, rubber and bottling) in Benin metropolis using the Allium cepa test were investigated. A series of five small onion bulbs were cultivated in 0.01, 0.1, 1, and 10% of the wastewaters (v/v) and after 48 hours, one root tip from each bulb was harvested and processed for cytological studies by the aceto-orcein squ...

Crystallographic studies of the past ten years have revealed that many outer membrane proteins and bacterial toxins are constructed on the b-barrel motif. Two structural classes can be identified. The first class, represented by the porins, includes monomeric or multimeric proteins where each b-barrel is formed from a single polypeptide. The second class features proteins where the b-barrel is ...

•Antimicrobial activity of TAT-RasGAP317-327 is affected by medium composition•Peptide exposure induces metabolic and stress responses•Cell surface modifications influence peptide antimicrobial activity•Resistance to does not lead multidrug resistance Antibiotic an increasing threat for public health, underscoring the need new antibacterial agents. Antimicrobial peptides (AMPs) represent altern...