New twists on embryonic patterning
... inhibitory component of the Wnt pathway Mao et al. (2001a) thus providing a direct physical link to intracellular protein complexes that mediate canonical Wnt signaling through the β-catenin pathway. Dkk-1 does not act as a direct Wnt antagonist, but rather exerts its inhibitory effect by binding to ...
... inhibitory component of the Wnt pathway Mao et al. (2001a) thus providing a direct physical link to intracellular protein complexes that mediate canonical Wnt signaling through the β-catenin pathway. Dkk-1 does not act as a direct Wnt antagonist, but rather exerts its inhibitory effect by binding to ...
Nondestructive Manipulation of Single Live Plant Cell by Laser
... material, various nonlinear photophysical and photochemical dynamic processes, such as, shockwave, cavitation bubble, plasma, and so on, are induced as a result of high efficient multiphoton absorption, mutual interactions between excited states, and/or ionization (8-12). Especially, the force of th ...
... material, various nonlinear photophysical and photochemical dynamic processes, such as, shockwave, cavitation bubble, plasma, and so on, are induced as a result of high efficient multiphoton absorption, mutual interactions between excited states, and/or ionization (8-12). Especially, the force of th ...
Seminars in Cancer Biology Invasion emerges from cancer cell
... perhaps useful to entertain both biological and mathematical considerations we have adopted in building these models. Regarding our biological perspective, we are aware that it is customary to consider the mE at the most intuitive level (stroma, ECM, vessels, soluble factors, etc.), with little conc ...
... perhaps useful to entertain both biological and mathematical considerations we have adopted in building these models. Regarding our biological perspective, we are aware that it is customary to consider the mE at the most intuitive level (stroma, ECM, vessels, soluble factors, etc.), with little conc ...
Cell Membrane - Manhasset Public Schools
... •Proteins can form channels (tunnels) for large substances to easily pass through. • Proteins can also form pumps to pump larger substances from one side of the cell to the other using energy. ...
... •Proteins can form channels (tunnels) for large substances to easily pass through. • Proteins can also form pumps to pump larger substances from one side of the cell to the other using energy. ...
Gram Stain
... Gram Stain The Gram stain is the most common differential stain used in microbiology. Differential stains use more than one dye. The unique cellular components of the bacteria will determine how they will react to the different dyes. The Gram stain procedure has been basically unchanged since it was ...
... Gram Stain The Gram stain is the most common differential stain used in microbiology. Differential stains use more than one dye. The unique cellular components of the bacteria will determine how they will react to the different dyes. The Gram stain procedure has been basically unchanged since it was ...
αvβ3 integrin-dependent endothelial cell dynamics in
... immediately thereafter in epifluorescence modes. The acquisition of the ‘z-stack’ pairs is accomplished within a short period of time (typically a minute) ensuring the correct spatial registration of the corresponding DIC/epifluorescence image pairs. The practical result of this technology is that e ...
... immediately thereafter in epifluorescence modes. The acquisition of the ‘z-stack’ pairs is accomplished within a short period of time (typically a minute) ensuring the correct spatial registration of the corresponding DIC/epifluorescence image pairs. The practical result of this technology is that e ...
CONTRIBUTION OF STEM CELLS AND DIFFERENTIATED CELLS
... tumour types. a | Illustrates the concept that epidermal stem cells that reside in the hair follicle (HF), sebaceous gland (SG) or interfollicular epidermis (IFE) are interchangeable and functionally equivalent3. b | Nevertheless, the progeny of IFE stem cells differentiate into the cornified layers ...
... tumour types. a | Illustrates the concept that epidermal stem cells that reside in the hair follicle (HF), sebaceous gland (SG) or interfollicular epidermis (IFE) are interchangeable and functionally equivalent3. b | Nevertheless, the progeny of IFE stem cells differentiate into the cornified layers ...
The fission yeast cdc19+ gene encodes a member of the MCM
... imposed on DNA synthesis by hydroxyurea, although the cells arrest with an apparent 2C DNA content (Nasmyth and Nurse, 1981). This is very similar to the phenotype reported for the original temperature-sensitive allele of the cdc18+ gene, which has subsequently been shown to be a partially functiona ...
... imposed on DNA synthesis by hydroxyurea, although the cells arrest with an apparent 2C DNA content (Nasmyth and Nurse, 1981). This is very similar to the phenotype reported for the original temperature-sensitive allele of the cdc18+ gene, which has subsequently been shown to be a partially functiona ...
Transição Epitélio-Mesenquimal durante a gastrulação - ICB-USP
... between the epiblast and hypoblast. These cells constitute the primary mesoderm and are continuous with the first axial structure of embryo, the primitive streak. Primary mesoderm cells are first evident at the posterior margin of the area opaca, where it merges with the area pellucida 10 hours afte ...
... between the epiblast and hypoblast. These cells constitute the primary mesoderm and are continuous with the first axial structure of embryo, the primitive streak. Primary mesoderm cells are first evident at the posterior margin of the area opaca, where it merges with the area pellucida 10 hours afte ...
RESPIRATION AND PROTEIN SYNTHESIS IN ESCHERICHIA COLI
... severe treatments in the belief that anything that can be removed from the membranes represents an undesirable contaminant . Therefore lysozyme, DNAase, RNAase, ethylenediaminetetraacetate (EDTA), detergents, and sonication together or in various combinations have been used to produce ` . clean" mem ...
... severe treatments in the belief that anything that can be removed from the membranes represents an undesirable contaminant . Therefore lysozyme, DNAase, RNAase, ethylenediaminetetraacetate (EDTA), detergents, and sonication together or in various combinations have been used to produce ` . clean" mem ...
Control of Mitotic Events by Nap1 and the Gin4 Kinase
... bind and activate cyclin-dependent kinases, thereby inducing cell cycle events. Although much has been learned about how cyclin-dependent kinases are turned on and off during the cell cycle, we still know virtually nothing about the mechanisms used by these kinases to induce cell cycle events (Nigg, ...
... bind and activate cyclin-dependent kinases, thereby inducing cell cycle events. Although much has been learned about how cyclin-dependent kinases are turned on and off during the cell cycle, we still know virtually nothing about the mechanisms used by these kinases to induce cell cycle events (Nigg, ...
Cell Division – Revision Pack (B3)
... Advantages of being multicellular: • allows organism to be larger • allows for cell differentiation • allows organism to be more complex. Becoming multi-cellular requires the development of specialised organ systems, limited to: • communication between cells (nervous system) • supplying the cells wi ...
... Advantages of being multicellular: • allows organism to be larger • allows for cell differentiation • allows organism to be more complex. Becoming multi-cellular requires the development of specialised organ systems, limited to: • communication between cells (nervous system) • supplying the cells wi ...
CCHS Jacob Cebulak Hydrogen Peroxide Influence on Microbial
... (H2O2) • First aid to help prevent infection. • For use on minor cuts, scrapes, and burns. • Aids removal of secretions in mouth. ...
... (H2O2) • First aid to help prevent infection. • For use on minor cuts, scrapes, and burns. • Aids removal of secretions in mouth. ...
Anemia - med.muni
... • It takes about 5 days for the progeny of stem cells to fully differentiate, an event that is marked by increased reticulocytes in the blood. • If the bleeding is controlled and sufficient iron stores are available, the red cell concentration returns to normal within 3 to 4 weeks. • External bleedi ...
... • It takes about 5 days for the progeny of stem cells to fully differentiate, an event that is marked by increased reticulocytes in the blood. • If the bleeding is controlled and sufficient iron stores are available, the red cell concentration returns to normal within 3 to 4 weeks. • External bleedi ...
Macromolecular biophysics of the plant cell wall: Concepts and
... the mechanical behaviour of the cell wall itself. It is necessary for the structure of the wall to loosen, but continuous growth does not result in any loss of strength so the synthesis of new material and its incorporation in the cell wall are also required. The manner in which wall loosening and s ...
... the mechanical behaviour of the cell wall itself. It is necessary for the structure of the wall to loosen, but continuous growth does not result in any loss of strength so the synthesis of new material and its incorporation in the cell wall are also required. The manner in which wall loosening and s ...
Munc13-4 rab27 complex is specifically required for
... The molecular principles underlying directed membrane trafficking during degranulation of immune cells are not clear 16,17,19,20. Munc13-4 is an unusual rab27 effector in this pathway because it lacks a conserved rab27 binding domain (R27BD), does not need rab27 interaction for membrane association ...
... The molecular principles underlying directed membrane trafficking during degranulation of immune cells are not clear 16,17,19,20. Munc13-4 is an unusual rab27 effector in this pathway because it lacks a conserved rab27 binding domain (R27BD), does not need rab27 interaction for membrane association ...
LL37 peptide@silver nanoparticles: combining control
... Table 1 shows that the minimal inhibitory concentration (MIC) for LL37@AgNP is similar to the control nanoparticles; citrate capped AgNP (citrate@AgNP), for Gram (–) P. aeruginosa and E.Coli. This is double the MIC for silver nitrate (AgNO3) and silver sulfadiazine (AgSD). For Gram (+) S. epidermidi ...
... Table 1 shows that the minimal inhibitory concentration (MIC) for LL37@AgNP is similar to the control nanoparticles; citrate capped AgNP (citrate@AgNP), for Gram (–) P. aeruginosa and E.Coli. This is double the MIC for silver nitrate (AgNO3) and silver sulfadiazine (AgSD). For Gram (+) S. epidermidi ...
Centrosome Biology: A SAS-sy Centriole in the Cell Cycle Dispatch
... well as the γ-tubulin ring complex (γγ-TuRC), which forms microtubule nucleation sites [3]. The centrosome has two remarkable properties that separate it from most other organelles. First, it duplicates precisely once per cell cycle, so that a constant number is maintained. Second, the centrosome is ...
... well as the γ-tubulin ring complex (γγ-TuRC), which forms microtubule nucleation sites [3]. The centrosome has two remarkable properties that separate it from most other organelles. First, it duplicates precisely once per cell cycle, so that a constant number is maintained. Second, the centrosome is ...
Head/tail interaction of vinculin influences cell mechanical behavior
... cells generate 3- to 4-fold less strain energy than MEFvin+/+ and MEFRescue cells. These results demonstrate that vinculin’s mechano-coupling function is dependent on its conformational state. Ó 2011 Elsevier Inc. All rights reserved. ...
... cells generate 3- to 4-fold less strain energy than MEFvin+/+ and MEFRescue cells. These results demonstrate that vinculin’s mechano-coupling function is dependent on its conformational state. Ó 2011 Elsevier Inc. All rights reserved. ...
Measuring the stiffness of bacterial cells from growth
... quantitative, reproducible assay that is capable of medium- or high-throughput analysis of cell stiffness. This approach is technically straightforward, incorporates components found in most biological labs and consists of an extendable platform that accommodates the assaying of cellular mechanical ...
... quantitative, reproducible assay that is capable of medium- or high-throughput analysis of cell stiffness. This approach is technically straightforward, incorporates components found in most biological labs and consists of an extendable platform that accommodates the assaying of cellular mechanical ...
Deciphering Transcriptional Regulatory Elements that Encode
... The eukaryotic cell cycle is driven by a periodic, tightly controlled network of accumulation and destruction of key regulators and effectors. Precise coordination of cell cycle processes of DNA replication and chromosome segregation is required to ensure that daughter cells receive the requisite co ...
... The eukaryotic cell cycle is driven by a periodic, tightly controlled network of accumulation and destruction of key regulators and effectors. Precise coordination of cell cycle processes of DNA replication and chromosome segregation is required to ensure that daughter cells receive the requisite co ...
Magnetoglobus, Magnetic Aggregates in Anaerobic Environments
... Health in Bethesda, Md., working in cell biology and learning more about microscopy. When the year ended, he returned to Brazil to start his own lab. “Some neurological disorders are being associated with the precipitation of iron oxides—magnetite—the same material that magnetotactic bacteria produc ...
... Health in Bethesda, Md., working in cell biology and learning more about microscopy. When the year ended, he returned to Brazil to start his own lab. “Some neurological disorders are being associated with the precipitation of iron oxides—magnetite—the same material that magnetotactic bacteria produc ...
Constructing a Plant Cell. The Genetic Control of Root Hair
... members of the Brassicaceae family generates a distinct position-dependent pattern of cell types. Immature epidermal cells located over the intercellular space between underlying cortical cells (outside an anticlinal cortical cell wall; designated the H-cell position) develop into root hair cells, w ...
... members of the Brassicaceae family generates a distinct position-dependent pattern of cell types. Immature epidermal cells located over the intercellular space between underlying cortical cells (outside an anticlinal cortical cell wall; designated the H-cell position) develop into root hair cells, w ...
Unknown Report: Outline Introduction o Goal: determine genus of an
... Endospores - NSM media Endospore: small, water-tight, heat-resistant structure found in Gram-positive bacteria that contains genetic information from its parent cell that has the ability to grow in good living conditions Nutrient sporulation medium (NSM): medium used to increase rate of endosp ...
... Endospores - NSM media Endospore: small, water-tight, heat-resistant structure found in Gram-positive bacteria that contains genetic information from its parent cell that has the ability to grow in good living conditions Nutrient sporulation medium (NSM): medium used to increase rate of endosp ...