Isolation and phylogenetic analysis of bacteria with antimicrobial activities from the Mediterranean sponges Aplysina aerophoba and Aplysina cavernicola

FEMS Microbiology Ecology
U HentschelJ Hacker

Abstract

The aim of this study was to isolate bacteria with antimicrobial activities from the marine sponges Aplysina aerophoba and Aplysina cavernicola. The obtained 27 isolates could be subdivided into eight phylogenetically different clusters based on comparative sequence analysis of their 16S rDNA genes. The sponge isolates were affiliated with the low (Bacillus) and high G+C Gram-positive bacteria (Arthobacter, Micrococcus), as well as the alpha-Proteobacteria (unknown isolate) and gamma-Proteobacteria (Vibrio, Pseudoalteromonas). One novel Bacillus species was identified and two species were closely related to previously uncharacterized strains. Isolates with antimicrobial activity were numerically most abundant in the genera Pseudoalteromonas and the alpha-Proteobacteria. The sponge isolates show antimicrobial activities against Gram-positive and Gram-negative reference strains but not against the fungus Candida albicans. A general pattern was observed in that Gram-positive bacteria inhibited Gram-positive strains while Gram-negative bacteria inhibited Gram-negative isolates. Antimicrobial activities were also found against clinical isolates, i.e. multi-resistant Staphylococcus aureus and Staphylococcus epidermidis strains isolat...Continue Reading

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Citations

Feb 1, 2007·Microbial Ecology·Markus WehrlUte Hentschel
May 15, 2007·Microbial Ecology·Albrecht Muscholl-SilberhornJohannes F Imhoff
Feb 24, 2007·Applied Microbiology and Biotechnology·Jonathan KennedyAlan D W Dobson
Apr 2, 2010·Parasitology Research·Amel Ben Kahla-NakbiHamouda Babba
Jan 12, 2011·Marine Biotechnology·Paula TabaresUte Hentschel
Jun 9, 2006·Journal of Industrial Microbiology & Biotechnology·Guangyi Wang
Nov 16, 2013·World Journal of Microbiology & Biotechnology·Cuili JinXiaojian Zhou
Jul 8, 2010·The Journal of Antibiotics·Xiangyang LiuLixin Zhang
Sep 12, 2012·Natural Product Research·Rohitesh KumarWilliam Aalbersberg
Jun 7, 2014·Marine Drugs·Lynsey MacintyreRuAngelie Edrada-Ebel
Dec 17, 2014·Marine Drugs·Susan P CrowleyAlan D W Dobson
Mar 15, 2016·Frontiers in Microbiology·Huda M Mahmoud, Aisha A Kalendar
May 21, 2009·Environmental Microbiology·Friederike HoffmannMarcel M M Kuypers
Feb 20, 2009·Environmental Microbiology·Elodie QuévrainMarie-Lise Bourguet-Kondracki
Apr 23, 2013·Environmental Microbiology·Vladimir BondarevHeide N Schulz-Vogt
Mar 26, 2011·Journal of Applied Microbiology·J A O'HalloranA D W Dobson

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