Results 51 to 60 of about 27,095 (225)

EXOPOLYSACCHARIDE PRODUCTION AND ITS BIOACTIVITIES OF THE EDIBLE PLEUROTUS OSTREATUS IN SUBMERGED CULTURE

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2009
Submerged cultures were used to study the influence of various carbon sources on the mycelial biomass and exopolysaccharide production of Pleurotus ostreatus. The antimicrobial and antioxidant activity of the exopolysaccharide were also determined.
IWAN SASKIAWAN
doaj  

Modulation of biofilm exopolysaccharides by the Streptococcus mutans vicX gene

open access: yesFrontiers in Microbiology, 2015
The cariogenic pathogen Streptococcus mutans effectively utilizes dietary sucrose for the synthesis of exopolysaccharide, which act as a scaffold for its biofilm, thus contributing to its pathogenicity, environmental stress tolerance, and antimicrobial ...
Lei eLei   +7 more
doaj   +1 more source

Revisiting Burn Wound Infections: A Comprehensive Review on the Dual Potential of Phages and Probiotics Against Acinetobacter baumannii

open access: yesJournal of Clinical Laboratory Analysis, EarlyView.
Effect Probiotics on immune system modulation and wound Healing. ABSTRACT Introduction Burn wound infections caused by Acinetobacter baumannii remain a critical clinical challenge due to its extensive multidrug resistance, particularly against carbapenems.
Zeinab Fagheei Aghmiyuni   +6 more
wiley   +1 more source

The Effect of Cellulose Overproduction on Binding and Biofilm Formation on Roots by Agrobacterium tumefaciens

open access: yesMolecular Plant-Microbe Interactions, 2005
Agrobacterium tumefaciens growing in liquid attaches to the surface of tomato and Arabidopsis thaliana roots, forming a biofilm. The bacteria also colonize roots grown in sterile quartz sand.
Ann G. Matthysse   +6 more
doaj   +1 more source

Biosynthesis of exopolysaccharide by Pseudomonas aeruginosa [PDF]

open access: yesJournal of Bacteriology, 1978
In batch cultures of Pseudomonas aeruginosa, the maximum rate of exopolysaccharide synthesis occurred during exponential growth. In nitrogen-limited continuous culture, the specific rate of exopolysaccharide synthesis increased from 0.27 g g of cell-1 h-1 at a dilution rate (D) of 0.05 h-1 to 0.44 g g of cells h-1 at D=0.1 H-1.
F A, Mian, T R, Jarman, R C, Righelato
openaire   +2 more sources

Optimizing feather hydrolysate via machine learning for microbial recycling of waste concrete fines

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND The concrete industry faces significant challenges from CO2 emissions and the disposal of waste concrete fines (WCF). Microbially induced calcite precipitation (MICP) can bind WCF into bioconcrete, but the high cost of commercial culture media hinders its application.
Henrietta Ottová   +5 more
wiley   +1 more source

Exopolysaccharide Quantification for the Plant Pathogen Ralstonia solanacearum

open access: yesBio-Protocol, 2017
Soluble exopolysaccharide is a major virulence factor produced by the plant pathogen Ralstonia solanacearum. Its massive production during plant infection is associated with the arrest of water flow in xylem vessels leading eventually to plant death. The
Rémi Peyraud   +2 more
doaj   +1 more source

Identification of the Clostridial cellulose synthase and characterization of the cognate glycosyl hydrolase, CcsZ.

open access: yesPLoS ONE, 2020
Biofilms are community structures of bacteria enmeshed in a self-produced matrix of exopolysaccharides. The biofilm matrix serves numerous roles, including resilience and persistence, making biofilms a subject of research interest among persistent ...
William Scott   +3 more
doaj   +1 more source

Privatization of Biofilm Matrix in Structurally Heterogeneous Biofilms

open access: yesmSystems, 2020
The self-produced biofilm provides beneficial protection for the enclosed cells, but the costly production of matrix components makes producer cells susceptible to cheating by nonproducing individuals.
Simon B. Otto   +7 more
doaj   +1 more source

The effect of calcium and magnesium on the aggregation of a purple phototrophic bacteria mixed consortium

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND An essential aspect of applying Purple Phototrophic Bacteria (PPB) technology for wastewater treatment is the biomass separation from the aqueous phase. Ca2+ and Mg2+ have been used to enhance the aggregation of different biological matrices. In this paper, the effect of Ca2+ and Mg2+ on the aggregation of a mixed culture of PPB was
Jairo M Carrillo‐Osorio   +1 more
wiley   +1 more source

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