traditions and manners of nuba is part of egyptian’s culture which is emerged in novelists’ works of nuba in various ways and most of the times they have been denied and objected; because ignorance and prejudice govern them, is routed in their culture and except in very few cases, they never change. the novel “playing over nuba mountains” by edris ali is one of the novels which is clearly analy...

The features of chronic airway diseases, including chronic bronchitis, cystic fibrosis, bronchiectasis, and diffuse panbronchiolitis, include chronic bacterial infection and airway obstruction by mucus. Pseudomonas aeruginosa is one of the most common pathogens in chronic lung infection, and quorum-sensing systems contribute to the pathogenesis of this disease. The quorum-sensing signal molecul...