Columnaris (caused by Flavobacterium columnare) is one of the most common bacterial diseases affecting the pond-raised channel catfish (Ictalurus punctatus) in the southeastern United States of America resulting in an...
From the ethyl acetate extract of Murraya koenegii (Rutaceae) leaves, isomahanine (1) and mahanine (2) were isolated that showed antibacterial activity towards Flavobacterium columnare and Streptococcus iniae which ca...