Antibacterial potential of sponge endosymbiont marine Enterobacter sp at Kavaratti Island, Lakshadweep archipelago

Gopi, M.; Shanmugam, Kumaran; Kumar, Thipparamalai Thangappanpillai Ajith; Deivasigamani, B.; Alagappan, Kumarappan; Prasad, Srinivasan Guru

doi:10.1016/s1995-7645(12)60013-3

Cited by 29 publications

(17 citation statements)

References 16 publications

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“…In recent years, several studies have been focused on the isolation of cytotoxic molecules from sponges having active secondary metabolites against broad spectrum of clinical and marine pathogens [9]. More in details, these authors demonstrated that bacteria isolated from sponges have been found to exhibit antibacterial activity.…”

Section: Introductionmentioning

confidence: 99%

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Comparative sequence analysis of bacterial symbionts from the marine sponges Geodia cydonium and Ircinia muscarum

Zuppa

Costantini

2014

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Marine sponges (Porifera) live in a symbiotic relationship with microorganisms, primarily bacteria. Recently, several studies indicated that sponges are the most prolific source of biologically-active compounds produced by symbiotic microorganisms rather than by the sponges themselves. In the present study we characterized the bacterial symbionts from two Demospongiae, Ircinia muscarum and Geodia cydonium. We amplified 16S rRNA by PCR, using specific bacterial-primers. The phylogenetic analysis revealed the presence of nine bacterial clones from I. muscarum and ten from G. cydonium. In particular, I. muscarum resulted enriched in Bacillus species and G. cydonium in Proteobacterium species. Since these bacteria were able to produce secondary metabolites with potential biotechnological and biopharmaceutical applications, we hypothesized that I. muscarum and G. cydonium could be a considered as a “gold mine” of natural products.

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Section: Introductionmentioning

confidence: 99%

“…More in details, these authors demonstrated that bacteria isolated from sponges have been found to exhibit antibacterial activity. The secondary metabolites of host sponge D. granulosa have confirmed significant antimicrobial activity and inhibited the growth of clinical pathogens [9]. …”

Section: Introductionmentioning

confidence: 99%

Comparative sequence analysis of bacterial symbionts from the marine sponges Geodia cydonium and Ircinia muscarum

Zuppa

Costantini

2014

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“…Earlier reports revealed that the organic extract from S. carnosa exhibited weak activity against the tested bacteria and fungi except Fusarium sp. [18][19][20][21] .…”

Section: Discussionmentioning

confidence: 99%

“…This was kept in shaker at 100 rpm for 24 hours, and centrifuged at 12 000 rpm for 20 minutes. Followed, the supernatant was filtered through Whatman No.…”

Section: Preparation Of Sponge Extractionmentioning

confidence: 99%

Anti-dermatophytic activity of marine sponge, Sigmadocia carnosa (Dendy) on clinically isolated fungi

Dhayanithi

Kumar

Kalaiselvam

et al. 2012

Asian Pacific Journal of Tropical Biomedicine

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“…There are in all 36 islands, which are invariably surrounded by huge and shallow lagoons at the western side [8,9]. The morphologic location of the Indian ocean is unique from other oceans, as it is surrounded completely by land in the northern side and it doesn’t extend in low temperature zones of the northern hemisphere [10].…”

Section: Introductionmentioning

confidence: 99%

Insights into Diversity and Imputed Metabolic Potential of Bacterial Communities in the Continental Shelf of Agatti Island

et al. 2015

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Marine microbes play a key role and contribute largely to the global biogeochemical cycles. This study aims to explore microbial diversity from one such ecological hotspot, the continental shelf of Agatti Island. Sediment samples from various depths of the continental shelf were analyzed for bacterial diversity using deep sequencing technology along with the culturable approach. Additionally, imputed metagenomic approach was carried out to understand the functional aspects of microbial community especially for microbial genes important in nutrient uptake, survival and biogeochemical cycling in the marine environment. Using culturable approach, 28 bacterial strains representing 9 genera were isolated from various depths of continental shelf. The microbial community structure throughout the samples was dominated by phylum Proteobacteria and harbored various bacterioplanktons as well. Significant differences were observed in bacterial diversity within a short region of the continental shelf (1–40 meters) i.e. between upper continental shelf samples (UCS) with lesser depths (i.e. 1–20 meters) and lower continental shelf samples (LCS) with greater depths (i.e. 25–40 meters). By using imputed metagenomic approach, this study also discusses several adaptive mechanisms which enable microbes to survive in nutritionally deprived conditions, and also help to understand the influence of nutrition availability on bacterial diversity.

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Antibacterial potential of sponge endosymbiont marine Enterobacter sp at Kavaratti Island, Lakshadweep archipelago

Abstract: The present study concluded that phylogenetic analysis of endosymbiotic bacteria Enterobacter sp from sponge D. granulosa of Lakshadweep islands showed significant antibacterial activity against clinical bacterial pathogens.

Cited by 29 publications

References 16 publications

Comparative sequence analysis of bacterial symbionts from the marine sponges Geodia cydonium and Ircinia muscarum

Comparative sequence analysis of bacterial symbionts from the marine sponges Geodia cydonium and Ircinia muscarum

Anti-dermatophytic activity of marine sponge, Sigmadocia carnosa (Dendy) on clinically isolated fungi

Insights into Diversity and Imputed Metabolic Potential of Bacterial Communities in the Continental Shelf of Agatti Island

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