Ad
related to: how are biofilms created in nature definition biology examples list
Search results
Results from the WOW.Com Content Network
For example, biofilm growth in cooling towers can lead to biofouling and reduced efficiency. Efforts to control and prevent biofilm formation by S. marcescens involve the use of antimicrobial coatings on medical devices, the development of targeted biofilm disruptors, and improved sterilization protocols.
Microalgal biofilms consist of 90% EPS and 10% algal cells. Algal EPS has similar components to the bacterial one; it is made up of proteins, phospholipids, polysaccharides, nucleic acids, humic substances, uronic acids and some functional groups, such as phosphoric, carboxylic, hydroxyl and amino groups.
Microbial mats and less complex types of biofilm are found at temperature ranges from –40 °C to +120 °C, because variations in pressure affect the temperatures at which water remains liquid. [3] They even appear as endosymbionts in some animals, for example in the hindguts of some echinoids. [10]
Biofilms. Bacteria often attach to surfaces and form dense aggregations called biofilms [ 49 ] and larger formations known as microbial mats . [ 50 ] These biofilms and mats can range from a few micrometres in thickness to up to half a metre in depth, and may contain multiple species of bacteria, protists and archaea.
Quorum sensing (QS) is used by bacteria to form biofilms. Quorum sensing is used by bacteria to form biofilms because the process determines if the minimum number of bacteria necessary for biofilm formation are present. The criteria to form a biofilm is dependent on a certain density of bacteria rather than a certain number of bacteria being ...
Supragingival biofilm is dental plaque that forms above the gums, and is the first kind of plaque to form after the brushing of the teeth. It commonly forms in between the teeth, in the pits and grooves of the teeth and along the gums. It is made up of mostly aerobic bacteria, meaning these bacteria need oxygen to survive.
Rather, a biofilm is made up of an array of microorganisms that come together to form a cohesive biofilm. [7] Although, there are homogeneous biofilms that can form. For example, the plaque that forms on the surfaces of teeth is caused by a biofilm formation of primarily Streptococcus mutans and the slow breakdown of tooth enamel. [8] [9]
Biofilms can consist of a multitude of bacteria, fungi, and algae which are able to absorb, immobilize, and degrade many common pollutants found in wastewater.By harnessing a natural phenomenon, biofilm-mediated remediation is an environmentally friendly method for environmental cleanup. [3]
Ad
related to: how are biofilms created in nature definition biology examples list