cell wall

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  • noun

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a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells

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References in periodicals archive ?
As a result, lignin could be more efficiently depolymerized, solubilized, and transported out of the cell wall at milder treatment conditions.
At the S2 cell wall layer, swelling is also observed to be anisotropic, with strains of approximately 20 percent in the direction normal to the lumen surface and 5 percent in the direction parallel to the lumen surface from 10 to 85 percent RH (Rafsanjani et al.
If penicillin-treated cells in tissue fluid are exposed to lysozyme - found in places in the body where infections occur - the enzyme degrades the cell wall, allowing the bacterium to turn into a wall free L-form, which penicillin can't kill.
Comprehensive transcriptome analysis of xylogenic zinnia and Arabidopsis cultures revealed gene expression profiles associated with the process of tracheary element differentiation; a number of genes related to cell wall biosynthesis and programmed cell death (PCD) are expressed simultaneously before morphological changes occur.
where Xpg is group of molecular elements in peptidoglycan, \ e(+) is synthesizing enzymes such as glycopeptide transpeptidase, Xm (inside) is the group of molecules existing inside of the cell such as ATP (Adenosine triphosphate) and UDP (Uridine diphosphate), Xm (outside) is the group of molecules existing outside of the cell such as diphosphate-carrier lipid, and PG is the cell wall (three dimensional structure of peptidoglycan).
monocytogenes cells 37[degrees]C/ 37[degrees]C/ 60 min 60 min + 30 (Control) min carvacrol Pore formation Loss of cell wall - * - Disruption of cell membrane - + Lack of cell membrane - + Cell wall thickening - - Membrane bleb - + Filamentous membrane - + Damage to cell surface - - Cell wall thinning - - Blurry cell wall - - Cavity formation - - Cell wall roughness - - Cell division + + Cytoplasmic clumping - + Disorganization of cytoplasm - - Lack of cytoplasm - + Changes in cell morphology TEM treatments of of L.
It has the ability to kill many types of harmful bacteria, including the superbug MRSA (methicillin resistant Staphylococcus aureus), by breaking down their cell walls.
Keywords: Lysinibacillus pakistanensis; Cell wall peptidoglycans type A4a; DNA-DNA hybridizationIntroduction
The new method uses nontoxic D-amino acidbased fluorescent dyes to label sites where peptidoglycan is synthesized, allowing for fine spatiotemporal tracking of cell wall dynamics.
A previous study used an array of Saccharomyces cerevisiae gene deletion mutants to demonstrate that strains with mutations in genes involved in cell wall functions were especially inhibited by Echinacea extracts (Mir-Rashed et al., 2010).
Studying plant cell wall proteins appeared to be a tough task.
The simplest approach is based on dimensional arguments and gives the dependence of properties on relative density and on cell wall properties but not on cell geometry [19].
Antimicrobial therapeutics reviews; the bacterial cell wall as an antimicrobial target.
The initial infection-spreading cells of the fungus, called zoospores, swim by lashing a hair-like flagellum and don't have a cell wall. And they don't have much effect on frog lymphocytes, the researchers found.
To Gibson, a cell wall's components bear a close resemblance to certain manmade materials.