Ten bacterial strains were isolated from clinical specimens provided by the bacteriology laboratory (DAKSI). They were identified by standard microbiological methods (biochemical gallery). Among the ten strains studied, ...

Some strains of rhizobia were isolated from Hedysarum coronarium L. nodules, which was grown at the University campus of Constantine. The strains were selected after a cultural study.. The authentification of these strains ...

The isolation of yeasts realized on saharian soil from Biskra , allowed to index 5 strains . They were tested on PDA medium with 1% of starch . On 5 strains , one (S5), presented a high amylolytic activity compared to ...