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[Step 5] New Module Template 2009
... Facilitated Diffusion: Enhanced rate of diffusion found mainly in eucaryotic cells but rarely in bacteria & archaea (glycerol is the only known substrate that undergoes facilitated diffusion in some bacteria). Facilitator proteins (membrane proteins) selective increase the permeability of the membra ...
... Facilitated Diffusion: Enhanced rate of diffusion found mainly in eucaryotic cells but rarely in bacteria & archaea (glycerol is the only known substrate that undergoes facilitated diffusion in some bacteria). Facilitator proteins (membrane proteins) selective increase the permeability of the membra ...
Evidence for an Outer Membrane
... The cell envelope of gram-negative bacteria consists of an inner cytoplasmic membrane and an outer membrane separated by a peptidoglycan layer and an aqueous periplasmic space. ...
... The cell envelope of gram-negative bacteria consists of an inner cytoplasmic membrane and an outer membrane separated by a peptidoglycan layer and an aqueous periplasmic space. ...
Sequence-Based Prediction of Protein Solubility
... the aggregation rates depend on free-energy barriers between these states. It is worth observing that, also in the case of protein folding, the rate at which this process takes place has been linked with the thermodynamic properties of the folded and unfolded states. 21,22 In order to investigate fu ...
... the aggregation rates depend on free-energy barriers between these states. It is worth observing that, also in the case of protein folding, the rate at which this process takes place has been linked with the thermodynamic properties of the folded and unfolded states. 21,22 In order to investigate fu ...
1 Function of the Arabidopsis kinesin-4, FRA1, requires
... thinner cell walls, reduced rate of pectin secretion and accumulation of Golgi-associated vesicles, which together indicate that FRA1 likely transports vesicles for secretion. In contrast, both microtubule plus-end dynamics and array organization are unaltered in this mutant (Zhu et al., 2015), demo ...
... thinner cell walls, reduced rate of pectin secretion and accumulation of Golgi-associated vesicles, which together indicate that FRA1 likely transports vesicles for secretion. In contrast, both microtubule plus-end dynamics and array organization are unaltered in this mutant (Zhu et al., 2015), demo ...
Gram Positive Cocci
... substrate for coagulase) on the surface. Allows for clumping factor detection very quickly VIII. Cell Wall of S. aureus [S8] a. Many different things on cell wall. b. It’s a successful pathogen because there are many different strains and each has different ways of causing diseases. Not all types wi ...
... substrate for coagulase) on the surface. Allows for clumping factor detection very quickly VIII. Cell Wall of S. aureus [S8] a. Many different things on cell wall. b. It’s a successful pathogen because there are many different strains and each has different ways of causing diseases. Not all types wi ...
Untitled - Biologie in Kaiserslautern
... intensively studied. Infection usually occurs via the digestive tract after ingestion of contaminated food. The pathogen is able to actively invade several types of human cells and to enter the bloodstream, where it can cause sepsis and after crossing the blood-brain barrier meningitis. It can also ...
... intensively studied. Infection usually occurs via the digestive tract after ingestion of contaminated food. The pathogen is able to actively invade several types of human cells and to enter the bloodstream, where it can cause sepsis and after crossing the blood-brain barrier meningitis. It can also ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... phenotypes: Attack Phase (AP) and Growth Phase (GP). AP cells are small, fast swimming, non-replicating "hungry" cells that search for prey, GP cells are non-motile replicative cells that actively consume the prey [8]. To enter the prey cell periplasm, a bdellovibrio must penetrate both the prey cel ...
... phenotypes: Attack Phase (AP) and Growth Phase (GP). AP cells are small, fast swimming, non-replicating "hungry" cells that search for prey, GP cells are non-motile replicative cells that actively consume the prey [8]. To enter the prey cell periplasm, a bdellovibrio must penetrate both the prey cel ...
Definition of Protein Superfamily
... the published literature to refer to a group of structurally or functionally related proteins not necessarily of common evolutionary origin. The term domain has been employed in the Protein Sequence Database to mean a region of special biological interest within a single protein chain. This term als ...
... the published literature to refer to a group of structurally or functionally related proteins not necessarily of common evolutionary origin. The term domain has been employed in the Protein Sequence Database to mean a region of special biological interest within a single protein chain. This term als ...
EVOLUTIONARILY RELATED INSERTION PATHWAYS OF
... presequences. The first part of these presequences target the protein to the lumen of the organelle, whereas the second part mediates membrane integration. How might topogenic sequences operate? Over two decades ago Blobel (1980), in his signal hypothesis, proposed that membrane proteins contain sig ...
... presequences. The first part of these presequences target the protein to the lumen of the organelle, whereas the second part mediates membrane integration. How might topogenic sequences operate? Over two decades ago Blobel (1980), in his signal hypothesis, proposed that membrane proteins contain sig ...
ecoli lysis - KSU Faculty Member websites
... B subunits are produced with N-terminal signal peptides that are cleaved during Secdependent translocation across the cytoplasmic membrane via the general secretory pathway into the periplasmic space (7, 10, 11). Here they undergo folding and assembly to form the mature holotoxin, which is then tran ...
... B subunits are produced with N-terminal signal peptides that are cleaved during Secdependent translocation across the cytoplasmic membrane via the general secretory pathway into the periplasmic space (7, 10, 11). Here they undergo folding and assembly to form the mature holotoxin, which is then tran ...
Microbiology of Periodontal Diseases
... Possess adherence activity (to tooth surface) Produce higher amounts of acid from sugars than other bacterial types, and possess acid tolerance Produce extracellular polysaccharides from sucrose. ...
... Possess adherence activity (to tooth surface) Produce higher amounts of acid from sugars than other bacterial types, and possess acid tolerance Produce extracellular polysaccharides from sucrose. ...
2.2
... One of the unique aspects of chlamydial biology is the biphasic developmental cycle. Chlamydiae exist as two distinct life forms, each of which is adapted to specific environments in a manner not unlike spore formation in Bacillus spp. The EB is small (200–300 nm) extracellular, and spore-like. It i ...
... One of the unique aspects of chlamydial biology is the biphasic developmental cycle. Chlamydiae exist as two distinct life forms, each of which is adapted to specific environments in a manner not unlike spore formation in Bacillus spp. The EB is small (200–300 nm) extracellular, and spore-like. It i ...
Solubility of recombinant Src homology 2 domains expressed in E
... SH2 domain sequence (S90-R188) revealed that the βC strand of the human TSAd SH2 domain (Figure 1) harbours a nine aa sequence (SAVTFVLTY) with near 100% propensity for intermolecular beta-sheet aggregation (Figure 3A). Similar results were obtained for the murine and rat sequences, whereas no beta- ...
... SH2 domain sequence (S90-R188) revealed that the βC strand of the human TSAd SH2 domain (Figure 1) harbours a nine aa sequence (SAVTFVLTY) with near 100% propensity for intermolecular beta-sheet aggregation (Figure 3A). Similar results were obtained for the murine and rat sequences, whereas no beta- ...
SYLLABUS FOR M.Sc. SEMESTER PATTERN
... Mitochondria, endoplasmic reticulum, prokaryotic membrane, membrane junctions (Gap & tight junctions), techniques for membrane study: electron microscopic method, membrane vesicles, differential scanning colorimetry, flouroscencephotobleaching recovery, flow cytometry. UNIT-II: - Membrane Transport ...
... Mitochondria, endoplasmic reticulum, prokaryotic membrane, membrane junctions (Gap & tight junctions), techniques for membrane study: electron microscopic method, membrane vesicles, differential scanning colorimetry, flouroscencephotobleaching recovery, flow cytometry. UNIT-II: - Membrane Transport ...
Bacterial Meningitis - UNC
... of several antibiotics like penicillin and cephalosporins Attack peptioglycans in bacterial cell walls ...
... of several antibiotics like penicillin and cephalosporins Attack peptioglycans in bacterial cell walls ...
BMC Microbiology
... most estimates of the HK numbers published in previous years are unreliable. Besides, listings of signal transduction proteins typically did not take into account Ser/Thr/ Tyr-specific protein kinases (STYKs) and protein phosphatases, which, as we now know, were encoded in the H. influenzae, M. geni ...
... most estimates of the HK numbers published in previous years are unreliable. Besides, listings of signal transduction proteins typically did not take into account Ser/Thr/ Tyr-specific protein kinases (STYKs) and protein phosphatases, which, as we now know, were encoded in the H. influenzae, M. geni ...
Bacterial lipid membranes as promising targets to fight antimicrobial
... hydrophilic ratio can be estimated by the partition coefficients of the molecule in different solvents from 1-octanol and water system (log P). This parameter relates to the difference of the hydrogen bonding capability of the compound for a solvent and 1-octanol. If the amphiphilic compound has som ...
... hydrophilic ratio can be estimated by the partition coefficients of the molecule in different solvents from 1-octanol and water system (log P). This parameter relates to the difference of the hydrogen bonding capability of the compound for a solvent and 1-octanol. If the amphiphilic compound has som ...
Medical University of Lodz Division of Studies in English (4MD
... the growth of bacteria producing pigments, the shape and the structure of the bacterial cell (the basic and additional components), the staining methods of the bacterial preparations (simple and complex, positive and negative, positive-negative), the types of microscopes used in bacteriology and the ...
... the growth of bacteria producing pigments, the shape and the structure of the bacterial cell (the basic and additional components), the staining methods of the bacterial preparations (simple and complex, positive and negative, positive-negative), the types of microscopes used in bacteriology and the ...
Bacterial Cell Structure
... the human stomach. But surprisingly, it is not acid-loving. An important question then is, how does it survive in its hostile environment? H. pylori uses two tactics. One is to produce the enzyme urease, which hydrolyzes urea, producing ammonia. The ammonia neutralizes the acid in the cell’s local e ...
... the human stomach. But surprisingly, it is not acid-loving. An important question then is, how does it survive in its hostile environment? H. pylori uses two tactics. One is to produce the enzyme urease, which hydrolyzes urea, producing ammonia. The ammonia neutralizes the acid in the cell’s local e ...
Slide 1
... thioglycollate broth. It grows best on cysteine heart blood agar, sheep blood agar, and on cysteine-supplemented agar such as buffered charcoal-yeast agar, Thayer-Martin agar, and chocolate agar. Selective agar may be useful when culturing materials from nonsterile sites, such as sputum. Optimal ...
... thioglycollate broth. It grows best on cysteine heart blood agar, sheep blood agar, and on cysteine-supplemented agar such as buffered charcoal-yeast agar, Thayer-Martin agar, and chocolate agar. Selective agar may be useful when culturing materials from nonsterile sites, such as sputum. Optimal ...
gram stain - Scott E. McDonald
... Small numbers of single yeast cells are common in normal healthy psittacines. Large numbers of budding yeast or the presence of pseudohyphae is abnormal and indicates the yeast is multiplying in the GI tract and that a disease state may exist. Examples include young birds with sour crop and/or ...
... Small numbers of single yeast cells are common in normal healthy psittacines. Large numbers of budding yeast or the presence of pseudohyphae is abnormal and indicates the yeast is multiplying in the GI tract and that a disease state may exist. Examples include young birds with sour crop and/or ...
Phenotype
... lactose fermenting from lactose non-fermenting gram-negative bacteria. It has also become common to use the media to differentiate bacteria by their abilities to ferment sugars other than lactose. In these cases lactose is replaced in the medium by another sugar. It also inhibits growth of gram-posi ...
... lactose fermenting from lactose non-fermenting gram-negative bacteria. It has also become common to use the media to differentiate bacteria by their abilities to ferment sugars other than lactose. In these cases lactose is replaced in the medium by another sugar. It also inhibits growth of gram-posi ...
fulltext - DiVA Portal
... functionally very important part of every cell. The membrane forms not only a barrier that seal out the cell’s external environment and so defines its boundary, but also mediates the selective exchange of information and substances. Furthermore, membranes are the sites where key steps of many vital ...
... functionally very important part of every cell. The membrane forms not only a barrier that seal out the cell’s external environment and so defines its boundary, but also mediates the selective exchange of information and substances. Furthermore, membranes are the sites where key steps of many vital ...
Trimeric autotransporter adhesin
In molecular biology, trimeric autotransporter adhesins (TAAs), are proteins found on the outer membrane of Gram-negative bacteria. Bacteria use TAAs in order to infect their host cells via a process called cell adhesion. TAAs also go by another name, oligomeric coiled-coil adhesins, which is shortened to OCAs. In essence, they are virulence factors, factors that make the bacteria harmful and infective to the host organism.TAAs are just one of many methods bacteria use to infect their hosts, infection resulting in diseases such as pneumonia, sepsis, and meningitis. Most bacteria infect their host through a method named the secretion pathway. TAAs are part of the secretion pathway, to be more specific the type Vc secretion system.Trimeric autotransporter adhesins have a unique structure. The structure they hold is crucial to their function. They all appear to have a head-stalk-anchor structure. Each TAA is made up of three identical proteins, hence the name trimeric. Once the membrane anchor has been inserted into the outer membrane, the passenger domain passes through it into the host extracellular environment autonomously, hence the description of autotransporter. The head domain, once assembled, then adheres to an element of the host extracellular matrix, for example, collagen, fibronectin, etc.