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Assessing The Potential Bacterial Origin Of The Chemical Diversity In Calcareous Sponges, Elodie Quévrain, Mélanie Roué, Isabelle Domart-Coulon, Marie-Lise Bourguet-Kondracki
Assessing The Potential Bacterial Origin Of The Chemical Diversity In Calcareous Sponges, Elodie Quévrain, Mélanie Roué, Isabelle Domart-Coulon, Marie-Lise Bourguet-Kondracki
Journal of Marine Science and Technology
The chemodiversity and cultivable bacterial diversity of temperate calcareous sponges were investigated in a time series of collection of two sponges, Leuconia johnstoni (Baerida, Calcaronea) collected from the northeastern Atlantic Ocean and Clathrina clathrus (Clathrinida, Calcinea) collected from the northwestern Mediterranean Sea, using combined chemical and microbiological approaches. Bacteria were visualized in tissue sections of these sponges with Gram staining and in situ hybridization. The sponge crude extracts revealed annually persistent biological activities against reference human pathogen strains: L. johnstoni extracts displayed antimicrobial activity against a Gram positive Staphylococcus aureus strain; C. clathrus extracts displayed a broad spectrum of antimicrobial …