نتایج جستجو برای: biofilms microbial contaminants

تعداد نتایج: 132550  

2014
P. Nisha M. Thangavel

Marine bacterial exopolysaccharides are fascinating industrial uses and presence of bioactive compounds. In this present study , Exopolysaccharide producing Micrococcus sp isolated from Arabian Sea and was identified by morphological and biochemical characteristics. Exopolysaccharide characterized by Infra Red spectroscopy and Antibacterial activity done by disc diffusion method with the clinic...

Journal: :Annual review of microbiology 1987
J W Costerton K J Cheng G G Geesey T I Ladd J C Nickel M Dasgupta T J Marrie

2016
Tomohiro Morohoshi Tsukasa Ikeda

Methylobacterium populi P-1M is isolated from the pink-pigmented household biofilm. Here, we present the complete genome sequence of P-1M, consisting of one chromosome of 5,705,640 bp and five plasmids of 64,864 bp, 59,879 bp, 42,569 bp, 41,417 bp, and 29,506 bp.

Journal: :Journal of microbiological methods 2012
Ping Chen Johnathan J Abercrombie Nicole R Jeffrey Kai P Leung

A medium (Brain Heart Infusion plus 10% human plasma) was developed, tested, and validated for growing Staphylococcus aureus biofilm in vitro. With this medium, S. aureus forms reproducible and robust biofilms in flow chambers under controlled shear flow and with increased viability recovery in static well plates.

Journal: :FEMS microbiology ecology 2012
Chad A Larson Sophia I Passy Riks Laanbroek

In an effort to identify the causes and patterns of temporal change in periphytic communities, we examined biomass accumulation, taxonomic and functional composition, rate of species turnover, and pairwise species correlations in response to variability in current velocity and nutrient supply in artificial stream flumes. Divergent patterns in community growth and succession were observed betwee...

2017
Amin Omar J. Barry Wright Gregory Schultz Robert Burrell Patricia Nadworny

Background is provided on biofilms, including their formation, tolerance mechanisms, structure, and morphology within the context of chronic wounds. The features of biofilms in chronic wounds are discussed in detail, as is the impact of biofilm on wound chronicity. Difficulties associated with the use of standard susceptibility tests (minimum inhibitory concentrations or MICs) to determine appr...

2002
Rodney M. Donlan

Microorganisms attach to surfaces and develop biofilms. Biofilm-associated cells can be differentiated from their suspended counterparts by generation of an extracellular polymeric substance (EPS) matrix, reduced growth rates, and the up- and down- regulation of specific genes. Attachment is a complex process regulated by diverse characteristics of the growth medium, substratum, and cell surfac...

2014
Sanja Aracic Lucie Semenec Ashley E. Franks

Electrode-associated microbial biofilms are essential to the function of bioelectrochemical systems (BESs). These systems exist in a number of different configurations but all rely on electroactive microorganisms utilizing an electrode as either an electron acceptor or an electron donor to catalyze biological processes. Investigations of the structure and function of electrode-associated biofil...

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