A novel Gram-staining negative purple non-sulfur bacterium, AK41, was isolated from a sediment sample collected from Coringa mangrove forest, Andhra Pradesh, India. A red-brownish coloured culture was obtained on modified Pfennig medium after enrichment with 2% NaCl and 0.3% pyruvate under 2000 lux of illumination. Individual cell is ovoid-rod shaped and non motile. Bacteriochlorophyll a and ca...