How to use cell wall in a sentence

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Sentence Examples Presumably, the shock treatments that elicit bursting disrupt the balance of wall synthesis and lysis responsible for cell wall extension. The outermost layer of the cell wall is composed of diverse proteins bearing polysaccharide side chains composed of mannose. Studies on the bamboo cell wall have focussed mainly on fully elongated and mature fibres. This would also increase the sloughing off of cell wall surface polymers in the culture medium. The details of guard cell wall composition and organization are, unfortunately, not known. Cellulose microfibrils within the guard cell wall are considered radial if they are oriented in the same way as the dotted lines. Proteins involved with cell wall biogenesis, which display low connectivity levels, have a clear trend of later appearance. Roma might reflect a more or less continuous biosynthesis of new cell wall material. Only mononuclear protoplasts were capable of complete cell wall regeneration and mitotic division. Fungal cells maintain a very high turgor pressure, so the integrity of the cell wall is a critical matter. During morphogenesis at any developmental stage, all plant cells require modifications of the cell wall structure. They may also serve as upstream activators of the protein kinase C, which is involved in cell wall biosynthesis. When the cure was complete, the probe was raised to lift the entire cell wall above the water level. Among plant cell wall hemicellulose components, arabinoxylans and xylans are widely distributed. By means of simple chemical programming, it's able to latch on to a cell wall. In the tertiary state of development endodermal cells deposit lignified cell wall material onto the suberin lamella. This protein has a pectate lyase enzyme activity and could be involved in cell wall elaboration during germination and pollen tube growth. This enzyme kills gram-positive bacteria by lysing their cell wall, notes Johnson. Solubilization of the cell wall with phage lysin also yielded a large M-protein molecule. Inhibition of cell wall synthesis by penicillin resulted in disruption of the cell wall and lysis of the cell. Show More Sentences The electrode tip pushes through the cell wall tending to jump quickly across the plasma membrane into either the cytoplasm or the vacuole. As in Gram-positive bacteria, the inner membrane of spirochetes is closely associated with the peptidoglycan cell wall. In the presence of nonresistant bacteria,, it acts like a typical antibiotic to block bacterial cell wall synthesis. Tiny vessels smaller than 6 m diameter without clearly visible and stainable cell wall thickenings were neglected. Crystal terminations are observed in some samples, where nucleation occurred around the inner surface of the cell wall. These derivitized proteins do many of the same jobs which are performed by the cell wall and capsule in bacteria. The results are discussed in terms of a putative role of this enzyme in the release of oligosaccharins from the strawberry fruit cell wall. Pectins and hemicelluloses, two of the major cell wall components, undergo solubilization and depolymerization. Many xanthophytes produce a cell wall, though it is not composed of cellulose or of chitin. Several recent publications have described the properties of composites of bacterial cellulose with plant cell wall polysaccharides. The tomato fruit cell wall is composed of protein and three major polysaccharide components, pectin, hemicelluloses and cellulose. Major constituents of the cell wall are cellulose, hemicelluloses and pectins. Similar reactions can be seen in animal cells although they lack the rigid cell wall. As a cell expands, its plasma membrane and cell wall must increase in area. Components of the cell wall of fungi are powerful and general elicitors in plants. The direction of cell growth is determined by the orientation of the cellulose fibrils in the cell wall. In citrus hesperidia, the creasing of albedo appears to be strictly related to a decrease of cell wall pectins beyond a critical level. The cell thus exerts outward pressure on its cell wall, and when all cells are maintaining this pressure, the plant gains rigidity. The composition of the cell wall varies among species and is an important character for identifying and classifying bacteria. This results in the release of acidic pectins and methanol as well as increased cell wall rigidity and calcium chelation. Show More Sentences There, electrical impulses propel vesicles into the cell wall to spray the neurotransmitter into the synapse. The cell wall, which is relatively porous, consists of many polymer layers of peptidoglycan connected by amino acid bridges. It can attach and bind to cell walls and kill a cell by catalyzing the hydrolysis of cell wall peptidoglycan. The cell wall is usually delicately ornamented and perforated by minute holes. In petrified specimens, cellular details are lost with the organic material of the cell wall. Folding of the plasmalemma and the formation of multiple small vesicles between the cell wall and the plasmalemma were observed. This indicates the firm appression of the plasma membrane to the cell wall, which is typical of a turgescent cell. The antimicrobial effect of iodophors occurs by cell wall penetration and oxidation with the substitution of iodine for cell contents. This mechanism is likely to involve the polarization of key components and the localized breakdown of existing cell wall structure. In the three species, the outer cell wall of the colleters has an lamellar layer, a cuticular membrane and cuticle proper. The cell envelope of gram-positive bacteria consists of the cytoplasmic membrane and a cell wall. In thin root sections, more intense fluorescence was observed in the cytosol than in the cell wall. A genetic selection for mutants that activate this pathway uncovered a class of mutants defective in cell wall integrity. The hydrostatic pressure model proposes that statocytes detect the total weight exerted by the protoplast on its cell wall. When calcium is desorbed from the cell wall, it becomes looser and the pore sizes in it increases. Ribitol teichoic acid is an important component of Staphylococcus aureus cell wall. After the patient takes the antibiotic, it is absorbed through the cell wall of the bacterium. During cell expansion, trafficking delivers proteins to plasticize the wall and supplies new plasma membrane and cell wall material to keep pace with growth. Like its brethren, it is encased by a frustule, a rigid cell wall delicately marked with pores in patterns distinctive enough for scientists to tell the species apart. Note the accumulation of flocculent material and vesicles between the cytoplasm and cell wall and also the osmiophilic margin of the viscid secretion. Show More Sentences Among the scientific claims made regarding Rife Bare therapy is the proposal that subjecting cells to a high energy pulse causes their cell wall micropores to open. The ribitol teichoic acid is usually in the cell wall, and the glycerol teichoic acid is in the cell membrane, the periplasmic region, or in the cell. However, despite the care and detail of the authors' analysis of periderm cell wall biochemistry, we are no nearer to preventing abrasion damage of the potato. When the trichomes were fully developed, the compounds were volatilized and only residues were responsible for an orange fluorescence in the cell wall area. Changes in the structure and ultrastructure of protoplasts during regeneration of the cell wall, mitotic cell division and amitotic nuclear fragmentation. It is released from the outer cell wall of endospores at sporulation. The cell wall and extracellular material are often only crudely preserved in this process, and the internal cytoplasm may degrade and be destroyed. In contrast to what has been reported for both Vicia and Pisum, we could not find any cell wall ingrowths in the innermost cells of the ground parenchyma. One class of dosage suppressors is composed of genes encoding cell wall proteins, indicating that alterations in cell wall structure can rescue the cell lysis in ram cells. Cell expansion is driven by turgor pressure, and in healthy tissues is usually limited by the extensibility of the cell wall or sometimes by the wall yield threshold. The asymmetric zygotic division fixes polarity, which may rely on the asymmetric delivery of cell wall components, possibly AGPs, and which requires GN in order to execute it. Their lack of a cell wall often results in disintegration or severe distortion when preserved, so they must be examined live for any possible identification. They hacked a hole in his cell wall and Mortimer escaped to a waiting boat. The small size of the penicillins increases their potency, by allowing them to penetrate the entire depth of the cell wall. Finally, the latewood tracheids are formed, with small radial sizes and greater cell wall thickness. The biogenic silica composing the cell wall is synthesised intracellularly by the polymerisation of silicic acid monomers. The exact mechanism of transferring silica absorbed by the diatom to the cell wall is unknown, though research is still being undertaken. Members of the group that have been isolated lack the chitinous cell wall that is characteristic of fungi. This process can occur in very small spaces, such as within the cell wall of a plant cell. Most workers, nevertheless, have attempted to interpenetrate the cell wall with monomer by preswelling with water or an oxygenated solvent. Show More Sentences The dictyosome bodies were not detected in close proximity to the cell wall of smaller grains in almost the entire length of the spike. Pectin is a complex polysaccharide found in the cell wall and middle lamella of plant tissue. The most common cereal pentosan is arabinoxylan, which makes up the majority of cell wall NSP in maize, wheat, rye and barley. Gram-negative bacteria have a more complex cell wall than gram-positive bacteria. For cell wall analysis, extraction and separation of peptidoglycan precursors was performed as described. The initial infection-spreading cells of the fungus, called zoospores, swim by lashing a hair-like flagellum and don't have a cell wall. This liberation from the cell wall may mean that these compounds become available for absorption in the body. Glucosamine and muramic acid concentrations can be used to establish cumulative fungal and bacterial cell wall product concentrations in soil. Purification and quantitative chemical analysis of cell wall peptidoglycans of Leptotrichia buccalis. In fungi, the plasma membrane sits just inside of the periplasmic space under the cell wall. In the mature macrogamont, the nucleus develops funnel-formed extensions into the cell wall, through which microgametes can penetrate. Tropical grasses usually have a coarse, stemmy structure, with low sugar and high cell wall contents compared with temperate grasses. White rot fungus is used in a preprocess step to break down the lignin in the wood cell wall structure. Cellulose is the primary structural component of green plants, making up the primary cell wall. Cotton fibers are usually made up of a thin primary cell wall and a thicker secondary one. Amastigotes could be differentiated from other intracellular pathogens by visualizing the nucleus and kinetoplast surrounded by a cell wall. Indeed, the rapid lignification of the cell wall of resistant plants under the appressoria of Colletotrichum spp. The basis of this assay is that cell wall damage effects should be ameliorated under hyperosmotic conditions. Cell coalescence refers to the rupture of the cell wall when serious extensional force is applied to it. Third, review plant structures and remind students that the cell wall remains constant while the central vacuole will swell or shrink, depending on the direction of osmosis. Show More Sentences However, these rumen fungi play an important role in fibre digestion because they can penetrate both the cuticle and cell wall of lignified tissue. Diatom cells are contained within a unique silica cell wall known as a frustule made up of two valves called thecae, that typically overlap one another. Because it targets fatty molecules in the cell wall instead of proteins it is also much less likely than most antibiotics to induce microbial resistance. Bacteria constantly remodel their peptidoglycan cell walls, simultaneously building and breaking down portions of the cell wall as they grow and divide. These fibres then wrap around the cell as the major component of the plant cell wall, providing rigidity, flexibility and defence against internal and external stresses. To assess the cell wall properties, the effect of isoxaben, an inhibitor of cellulose synthase, on fei1fei2, galt2galt5, sos5, and the quintuple mutant was examined. A hypothesis is presented where the combination of a thin cell wall and large microfibril angle are responsible for the superior properties exhibited by the DN 30 pulp. Nelumbo nucifera aertn is nymphaeaceous hydrophyte, which epicuticular cell wall with thin wax layer grows thick and keratinization is not occurred. The root CEC is located in the apoplast and is attributed to the free carboxyl groups of galacturonic acids of cell wall pectins in the middle lamella. Gamma radiation, if used in high dosage on lignocellulosics, causes a decrease in cell wall constituents or depolymerizes and delignifies the fiber. Plants need nitrogen for protein synthesis, calcium for cell wall stiffening, phosphate for nucleic acid synthesis, and iron for chlorophyll synthesis. Examples from Classical Literature The mucilaginous substance left behind is loosely enclosed by the crumpled cell wall. This is especially the case when the imbibition of the cell wall is one-sided, and causes a bending of the cell. A new cell wall is developed around it which is thicker than the cell wall of the bacterium. The cell wall is not so dense, relatively, as that of green plants, but is thicker than the outer covering of protozoa. The cell wall contains a very large quantity of silica, and is formed in each cell into three portions, viz. This is chiefly due to the presence of a cell wall, but is not a proof of its existence. Here we have a mass of protoplasm with a nucleus and cavities filled with cell sap, but no cell wall. It was the nucleus that was granular, for there was little room for granules between the nucleus and the cell wall. This remnant, in the spore-forming unicellular plants represented by the cell wall, is then naturally dead. Relationships of forage compositions with rates of cell wall digestion and indigestibility odf cell walls. It is certainly not an important constituent of the cell wall in many. Clinging close to the cell wall is the protoplasm of the cell. Yet in so doing he had no intention of subordinating the cell wall. The pair had burrowed through a 4ft thick cell wall in the Shawshank Redemption-style break-out bid and left painted papier mache bricks in the gap they left. 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Use our Sentence Generator Nearby Words cellulosic cellulose cellulolytic celluloid cellulitis cellulite cell-wall celly celosia cels celsius Celsius