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 Cymbopogon citratus L. essential oil as a potential anti-biofilm agent active against antibiotic-resistant bacteria isolated from chronic rhinosinusitis patients
Biofouling. 2024 Jan 29:1-14. doi: 10.1080/08927014.2024.2305387. Online ahead of print.ABSTRACTChronic rhinosinusitis (CRS) is long-term inflammation of the sinuses that can be caused by infection due to antibiotic-resistant bacteria. Biofilm developed by microbes is postulated to cause antibiotic treatment failure. Thus, the anti-biofilm activities of seven Thai herbal essential oils (EOs) against antibiotic-resistant bacteria isolated from CRS patients was investigated. Lemongrass (Cymbopogon citratus L.) EO showed the most effective antibiofilm activity against Klebsiella pneumoniae, Pseudomonas aeruginosa and Staphylo...
Source: Biofouling - January 29, 2024 Category: Molecular Biology Authors: Mintra Khosakueng Suwimol Taweechaisupapong Wongwarut Boonyanugomol Pornpan Prapatpong Saharut Wongkaewkhiaw Sakawrat Kanthawong Source Type: research

The quorum sensing molecule C12-HSL promotes biofilm formation and increases adrA expression in Salmonella Enteritidis under anaerobic conditions
In this study, biofilm formation in Salmonella enterica was evaluated at 28 and 37 °C, under aerobic and anaerobic conditions. Additionally, the influence of the N-dodecanoyl-DL-homoserine lactone (C12-HSL) on biofilm formation and the expression of genes related to the synthesis of structural components, regulation, and quorum sensing was assessed under anaerobiosis at 28 and 37 °C. Biofilm formation was found not to be influenced by the atmospheric conditions at 28 °C. However, it was reduced at 37 °C under anaerobiosis. C12-HSL enhanced biofilm formation at 37 °C under anaerobiosis and increased the expression of t...
Source: Biofouling - January 23, 2024 Category: Molecular Biology Authors: Deisy Guimar ães Carneiro Ananda Pereira Aguilar Hil ário Cuquetto Mantovani Tiago Ant ônio de Oliveira Mendes Maria Cristina Dantas Vanetti Source Type: research

Temporal variations of biofouling assemblages of a coral reef ecosystem during a monsoon period
Biofouling. 2024 Jan 19:1-11. doi: 10.1080/08927014.2023.2300141. Online ahead of print.ABSTRACTCoral reefs are highly biodiverse ecosystems, enriched by a range of biofouling species. Temporal variations in biofouling can affect ecosystem stability, but these diverse coral-associated communities remain underexplored in some regions. In the present study, biofouling assemblages of coral reefs in the Chabahar Bay were investigated during a summer monsoon at three deployment periods. In total, 26 taxa were identified with barnacles and polychaetes being the dominant taxa during the whole study. The coverage percentage was dr...
Source: Biofouling - January 19, 2024 Category: Molecular Biology Authors: Parissa Golinia Ali Nasrolahi Amir Ghazilou Source Type: research

Seasonal variation in the biological succession of marine diatoms over 316L stainless steel in a coastal environment of Chile
This study reports the effect of seasonal variations on the settlement of marine diatoms and corrosion of 316 L stainless steel surfaces exposed to Chilean coastal seawater. Electron microscopy imaging revealed a diverse assembly of diatoms, exhibiting pronounced differences at genus level between summer and winter seasons, with a significant delay in diatom settlement during winter. Electrochemical measurements indicated an active role of diatoms in increasing corrosion current during biofilm development. While the final diatom composition was similar irrespective of the season, the analyses of diatom assemblages over tim...
Source: Biofouling - January 12, 2024 Category: Molecular Biology Authors: Leslie K Daille John R Spear Iwona Beech Ignacio T Vargas Rodrigo De la Iglesia Source Type: research

Consolidated knowledge-guided computational pipeline for therapeutic intervention against bacterial biofilms - a review
Biofouling. 2023 Dec 18:1-20. doi: 10.1080/08927014.2023.2294763. Online ahead of print.ABSTRACTBiofilm-associated bacterial infections attributed to multifactorial antimicrobial resistance have caused worldwide challenges in formulating successful treatment strategies. In search of accelerated yet cost-effective therapeutics, several researchers have opted for bioinformatics-based protocols to systemize targeted therapies against biofilm-producing strains. The present review investigated the up-to-date computational databases and servers dedicated to anti-biofilm research to design/screen novel biofilm inhibitors (antimic...
Source: Biofouling - December 18, 2023 Category: Molecular Biology Authors: Reetika Debroy Sudha Ramaiah Source Type: research