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Antibiofilm and antifouling activities of extracellular polymeric substances isolated from the bacteria associated with marine gastropod Turbo sp

Nadarajan Viju

Nadarajan Viju

Centre for Marine Science and Technology, Manonmanium Sundaranar UniversityKanyakumari, India
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Viju, Nadarajan
, 
Sathyaneson Satheesh

Sathyaneson Satheesh

Department of Marine Biology, Faculty of Marine Sciences, King Abdulazuz UniversityJeddah, Saudi Arabia
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Satheesh, Sathyaneson
 et 
Stanislaus Mary Josephine Punitha

Stanislaus Mary Josephine Punitha

Centre for Marine Science and Technology, Manonmanium Sundaranar UniversityKanyakumari, India
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Punitha, Stanislaus Mary Josephine
  
10 mars 2016
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Catégorie d'article: Original research paper
Publié en ligne: 10 mars 2016
Pages: 11 - 19
Reçu: 12 avr. 2015
Accepté: 17 août 2015
DOI: https://doi.org/10.1515/ohs-2016-0002
Mots clés
© Faculty of Oceanography and Geography, University of Gdañsk, Poland. All rights reserved.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

The growth inhibition effect of EPS on the growth biofilm-forming bacteria Alteromonas sp. and Pseudomonas sp.
The growth inhibition effect of EPS on the growth biofilm-forming bacteria Alteromonas sp. and Pseudomonas sp.

Figure 2.

The antibiofilm effect of EPS against biofilm-forming bacteria using the microtiter plate assay
The antibiofilm effect of EPS against biofilm-forming bacteria using the microtiter plate assay

Figure 3.

The antifouling effect of antifouling coating developed by incorporating the bacterial EPS into epoxy primer along with epoxy resin and hardener. (A) Recruitment of marine foulers on the reference and plates coated with bacterial EPS submerged in the marine environment for a period of 50 days. (B) The plot shows the inhibiting effect of antifouling coatings.
The antifouling effect of antifouling coating developed by incorporating the bacterial EPS into epoxy primer along with epoxy resin and hardener. (A) Recruitment of marine foulers on the reference and plates coated with bacterial EPS submerged in the marine environment for a period of 50 days. (B) The plot shows the inhibiting effect of antifouling coatings.

Figure 4.

FT-IR spectrum of bioactive EPS isolated from the bacterial strain KT1
FT-IR spectrum of bioactive EPS isolated from the bacterial strain KT1

Figure 5.

Identification of the strain using the 16S rRNA gene sequencing. The 16S rRNA was aligned and used to construct the neighbour-joining phylogenetic tree and it was identified as Pseudomonas aeruginosa.
Identification of the strain using the 16S rRNA gene sequencing. The 16S rRNA was aligned and used to construct the neighbour-joining phylogenetic tree and it was identified as Pseudomonas aeruginosa.

Antibacterial activity of EPS isolated from the marine bacteria associated with Turbo sp_ against biofilm-forming bacteria

S. No Bioflim bacteria EPS

- EPS of surface associated marine bacteria and their zone of inhibition against test bacteria

(mm)
K1 K2 K7 K8 K9
1 Alteromonas sp 12 9 9 12 10
2 Pseudomonas sp 13 10 9 10 7
Langue:
Anglais
Périodicité:
4 fois par an
Sujets de la revue:
Chimie, Chimie, autres, Géosciences, Géosciences, autres, Sciences de la vie, Sciences de la vie, autres
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