The influence of bacterial quorum-sensing inhibitors against the formation of the diatom-biofilm

Yang, Cuiyun; Song, Guojuan; Zhu, Qi Li; Liu, Sujing; Chen, Xia

doi:10.1080/02757540.2015.1120722

Cited by 12 publications

(8 citation statements)

References 34 publications

(37 reference statements)

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“…This species is deeply studied for its extracellular polymeric substances, its adhesion mechanisms and its relationships with bacteria [ 36 , 37 , 38 ]. It is able to form mixed biofilm with bacterial strains and a possible role of bacterial signal molecules AHL in the formation of its biofilm has been indicated [ 39 , 40 , 41 ].…”

Section: Resultsmentioning

confidence: 99%

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Anti-Biofilm Effect of Biodegradable Coatings Based on Hemibastadin Derivative in Marine Environment

Norcy

Niemann

Proksch

et al. 2017

IJMS

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Dibromohemibastadin-1 (DBHB) is an already known potent inhibitor of blue mussel phenoloxidase (which is a key enzyme involved in bioadhesion). Within this study, the potentiality of DBHB against microfouling has been investigated. The activity of DBHB was evaluated on key strains of bacteria and microalgae involved in marine biofilm formation and bioassays assessing impact on growth, adhesion and biofilm formation were used. To assess the efficiency of DBHB when included in a matrix, DBHB varnish was prepared and the anti-microfouling activity of coatings was assessed. Both in vitro and in situ immersions were carried out. Confocal Laser Scanning Microscopy (CLSM) was principally used to determine the biovolume and average thickness of biofilms developed on the coatings. Results showed an evident efficiency of DBHB as compound and varnish to reduce the biofilm development. The mode of action seems to be based principally on a perturbation of biofilm formation rather than on a biocidal activity in the tested conditions.

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Section: Resultsmentioning

confidence: 99%

“…It was reported that Ca 2+ might be involved in the mobility, attachment and growth of diatoms [ 43 ]. Moreover, a recent study has shown the effect of QS inhibitors on the growth and the diatom biofilm formation [ 40 , 41 ]. Thus, several mechanisms could explain the impact of DBHB on diatoms biofilm formation.…”

Section: Resultsmentioning

confidence: 99%

Anti-Biofilm Effect of Biodegradable Coatings Based on Hemibastadin Derivative in Marine Environment

Norcy

Niemann

Proksch

et al. 2017

IJMS

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“…AHLs also have effect on diatoms in the biofilm matrix as was observed by Yang et al [94]. 3,4-dibromo-2(5)H-furanone,4-nitropyridine-N-oxide and indole were able to decrease significantly the growth of two marine diatoms, Cylindrotheca sp.…”

Section: Macroalgal Colonization and Chemical Interactionsmentioning

confidence: 53%

Biofilms: An Extra Coat on Macroalgae

Lage¹,

Graça²

2016

Algae - Organisms for Imminent Biotechnology

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Abstract"iofilms are a mixture of complex communities of organisms mostly composed of diverse bacteria that vary depending on the surrounding environmental conditions induced by physical and chemical factors. In biofilms, symbionts play major roles in the relationship among organisms by the production of bioactive molecules involved in quorum sensing signaling. " cohesive structure of a multi-layer of extracellular polymeric substances EPS such as polysaccharides and proteins is the base of biofilm structural organization. "iofilms can be found in a variety of habitats, on free-living, on the surface of other organisms or inert surfaces, both in aquatic as well as terrestrial environments.The importance of macroalgae in marine ecosystems is unquestionable. They are main key players along ocean coastlines, contributing to the overall primary production and providing shelter as well as food to many forms of life which can vary from microbes to large fish and mammals. Macroalgae are intimately associated with a huge microbial community coating their surface. "s this microenvironment is very rich both in terms of biodiversity and food availability, life in it is very complex and competitive. The microorganisms, bacteria, archaea, fungi, microalgae like diatoms and protozoa, play fundamental roles in the development, defence and metabolism of the macroalgae. They benefit from the availability of diverse organic carbon sources commonly produced by the algae.In this chapter, we intend to do a comprehensive revision of the actual state of the art of the biofilm community of macroalgae focusing on biodiversity, role played by both the microbiome and the host in this ecological system and its regulation namely through the quorum sensing. Furthermore, biofilm-related biotechnological applications, their role in macroalgae diseases and their influence in neighbor organisms will be also addressed.

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“…While natural quorum sensing-inhibiting compounds have been widely isolated from a large diversity of living organisms, their effects on marine biofilms remain poorly explored. One reason is that these compounds are produced at low concentrations, which limits their application in the environment (Yang et al, 2016). However, synthetic quorum sensing-inhibiting compounds can now be used.…”

Section: Applications For Biofouling On Marine Underwater Surfacesmentioning

confidence: 99%

Quorum Sensing in Marine Biofilms and Environments

Lami¹

2019

Quorum Sensing

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The influence of bacterial quorum-sensing inhibitors against the formation of the diatom-biofilm

Cited by 12 publications

References 34 publications

Anti-Biofilm Effect of Biodegradable Coatings Based on Hemibastadin Derivative in Marine Environment

Anti-Biofilm Effect of Biodegradable Coatings Based on Hemibastadin Derivative in Marine Environment

Biofilms: An Extra Coat on Macroalgae

Quorum Sensing in Marine Biofilms and Environments

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