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Bacterial Swarmers Enriched During Intestinal Stress Ameliorate Damage.
De A, Chen W, Li H, Wright JR, Lamendella R, Lukin DJ, Szymczak WA, Sun K, Kelly L, Ghosh S, Kearns DB, He Z, Jobin C, Luo X, Byju A, Chatterjee S, San Yeoh B, Vijay-Kumar M, Tang JX, Prajapati M, Bartnikas TB, Mani S. De A, et al. Gastroenterology. 2021 Jul;161(1):211-224. doi: 10.1053/j.gastro.2021.03.017. Epub 2021 Mar 16. Gastroenterology. 2021. PMID: 33741315 Free PMC article.
BACKGROUND AND AIMS: Bacterial swarming, a collective movement on a surface, has rarely been associated with human pathophysiology. ...Treatment of colitic mice with SM3, but not its mutants, enriched beneficial fecal anaerobes belonging to the family of Bacteroidales S24- …
BACKGROUND AND AIMS: Bacterial swarming, a collective movement on a surface, has rarely been associated with human pathophysiology. . …
Enhanced inhibition of Pseudomonas aeruginosa virulence factor production and biofilm development by sublethal concentrations of eugenol and phenyllactic acid.
Shariff M, Chatterjee M, Morris SD, Paul V, Vasudevan AK, Mohan CG, Paul-Prasanth B, Biswas R. Shariff M, et al. Lett Appl Microbiol. 2022 Nov;75(5):1336-1345. doi: 10.1111/lam.13803. Epub 2022 Aug 23. Lett Appl Microbiol. 2022. PMID: 35962588
A combination of 50 mumol l(-1) eugenol and 0.3 mmol l(-1) PLA significantly inhibited the pyocyanin production, protease activity, swarming motility and cytotoxic activities of P. aeruginosa strain PAO1, whereas eugenol and PLA when added individually to PAO1 cultures wer …
A combination of 50 mumol l(-1) eugenol and 0.3 mmol l(-1) PLA significantly inhibited the pyocyanin production, protease activity, swarm …
Quorum sensing modulatory and biofilm inhibitory activity of Plectranthus barbatus essential oil: a novel intervention strategy.
Chatterjee B, Vittal RR. Chatterjee B, et al. Arch Microbiol. 2021 May;203(4):1767-1778. doi: 10.1007/s00203-020-02171-9. Epub 2021 Jan 20. Arch Microbiol. 2021. PMID: 33474610
Similarly, sub-MIC (6.25% v/v) of P. barbatus EO disrupted QS regulated biofilm formation by 27.87% and inhibited swarming and twitching motility in Pseudomonas aeruginosa PA01 implying its anti-infective and QS modulatory activity. ...
Similarly, sub-MIC (6.25% v/v) of P. barbatus EO disrupted QS regulated biofilm formation by 27.87% and inhibited swarming and twitch …
Amplification on Undirected Population Structures: Comets Beat Stars.
Pavlogiannis A, Tkadlec J, Chatterjee K, Nowak MA. Pavlogiannis A, et al. Sci Rep. 2017 Mar 6;7(1):82. doi: 10.1038/s41598-017-00107-w. Sci Rep. 2017. PMID: 28250441 Free PMC article.
In this work we present the Comet and Comet-swarm families of undirected graphs. We show that for a range of fitness values of the mutants, the Comet and Comet-swarm graphs have fixation probability strictly larger than the fixation probability of the Star graph, fo …
In this work we present the Comet and Comet-swarm families of undirected graphs. We show that for a range of fitness values of the mu …
Mechanistic understanding of Phenyllactic acid mediated inhibition of quorum sensing and biofilm development in Pseudomonas aeruginosa.
Chatterjee M, D'Morris S, Paul V, Warrier S, Vasudevan AK, Vanuopadath M, Nair SS, Paul-Prasanth B, Mohan CG, Biswas R. Chatterjee M, et al. Appl Microbiol Biotechnol. 2017 Nov;101(22):8223-8236. doi: 10.1007/s00253-017-8546-4. Epub 2017 Oct 5. Appl Microbiol Biotechnol. 2017. PMID: 28983655
Our study revealed that PLA inhibited the expression of virulence factors such as pyocyanin, protease, and rhamnolipids that are involved in the biofilm formation of P. aeruginosa PAO1. Swarming motility, another important criterion for biofilm formation of P. aeruginosa P …
Our study revealed that PLA inhibited the expression of virulence factors such as pyocyanin, protease, and rhamnolipids that are involved in …
GacA, the response regulator of a two-component system, acts as a master regulator in Pseudomonas syringae pv. tomato DC3000 by controlling regulatory RNA, transcriptional activators, and alternate sigma factors.
Chatterjee A, Cui Y, Yang H, Collmer A, Alfano JR, Chatterjee AK. Chatterjee A, et al. Mol Plant Microbe Interact. 2003 Dec;16(12):1106-17. doi: 10.1094/MPMI.2003.16.12.1106. Mol Plant Microbe Interact. 2003. PMID: 14651344 Free article.
As would be expected, these effects on gene expression cause drastic changes in bacterial behavior: virulence towards A. thaliana and tomato; multiplication in planta; efficiency of the induction of the hypersensitive reaction (HR); production of pigment and N-acyl-homoserine lac …
As would be expected, these effects on gene expression cause drastic changes in bacterial behavior: virulence towards A. thaliana and tomato …
Study of elastic collisions of Myxococcus xanthus in swarms.
Harvey CW, Morcos F, Sweet CR, Kaiser D, Chatterjee S, Liu X, Chen DZ, Alber M. Harvey CW, et al. Phys Biol. 2011 Apr;8(2):026016. doi: 10.1088/1478-3975/8/2/026016. Epub 2011 Apr 6. Phys Biol. 2011. PMID: 21471636
Viscoelastic interactions of myxobacteria cells in a low-density domain close to the edge of a swarm are studied using a combination of a cell-based three-dimensional computational model and cell-tracking experiments. ...Like aspect-ratio and directional reversals, the fle …
Viscoelastic interactions of myxobacteria cells in a low-density domain close to the edge of a swarm are studied using a combination …