Yeast longevity and aging—the mitochondrial connection
... dysfunction coincides with an increasing induction of the retrograde response (Borghouts et al., 2004). Thus, the retrograde response has a role to play during the course of normal yeast aging. Perhaps its induction is the reason yeasts live as long as they do. Evidence has been available that the g ...
... dysfunction coincides with an increasing induction of the retrograde response (Borghouts et al., 2004). Thus, the retrograde response has a role to play during the course of normal yeast aging. Perhaps its induction is the reason yeasts live as long as they do. Evidence has been available that the g ...
Suppression by Filarial Parasites Not IL
... of incubation at 37°C, plates were harvested and counted. IFN-g was measured by ELISA using R46A2 (ATCC) as capture Ab and biotinylated rat anti-mouse IFN-g monoclonal XMG1.2 Ab (PharMingen, San Diego, CA, 18112D), followed by avidin-alkaline phosphatase (Sigma Chemical Co., A-7294) for detection. S ...
... of incubation at 37°C, plates were harvested and counted. IFN-g was measured by ELISA using R46A2 (ATCC) as capture Ab and biotinylated rat anti-mouse IFN-g monoclonal XMG1.2 Ab (PharMingen, San Diego, CA, 18112D), followed by avidin-alkaline phosphatase (Sigma Chemical Co., A-7294) for detection. S ...
Endocytosis unplugged: multiple ways to enter the cell
... The host phagocytic machinery can also be manipulated by bacterial pathogens to facilitate their own internalization. Here too, two general models have been described that outline bacterial entry into cells: the ‘trigger’ or ‘zipper’ models. Salmonella and Shigella are examples of ‘triggering’ bacte ...
... The host phagocytic machinery can also be manipulated by bacterial pathogens to facilitate their own internalization. Here too, two general models have been described that outline bacterial entry into cells: the ‘trigger’ or ‘zipper’ models. Salmonella and Shigella are examples of ‘triggering’ bacte ...
Journal of Plant Growth Regulation
... cellular-level similarities between these two groups became more apparent, until in the late 1970s, plants and animals were grouped together in the Domain Eukarya, which contains all organisms with eukaryotic cells (Woese and others 1990). The other two domains, Archaea and Bacteria (that is, prokar ...
... cellular-level similarities between these two groups became more apparent, until in the late 1970s, plants and animals were grouped together in the Domain Eukarya, which contains all organisms with eukaryotic cells (Woese and others 1990). The other two domains, Archaea and Bacteria (that is, prokar ...
CELL MOTILITY: Spatial and Temporal Regulation of
... which include proteins stimulating actin nucleation, enhancing actin polymerization, accelerating actin depolymerization, and regulating the structural organization and dynamics of the complex actin networks in the protruding cellular regions. Yet the coordinated effort of all of these similar molec ...
... which include proteins stimulating actin nucleation, enhancing actin polymerization, accelerating actin depolymerization, and regulating the structural organization and dynamics of the complex actin networks in the protruding cellular regions. Yet the coordinated effort of all of these similar molec ...
Cell Wall, Cytoskeleton, and Cell Expansion in Higher Plants
... Xyloglucan (XyG) is the most abundant hemicellulose in dicot primary walls. XyG is thought to form hydrogen bonds along the lengths of cellulose microfibrils and to play a large role in forming the crosslinks between cellulose microfibrils. Historically, there have been two proposed mechanisms by wh ...
... Xyloglucan (XyG) is the most abundant hemicellulose in dicot primary walls. XyG is thought to form hydrogen bonds along the lengths of cellulose microfibrils and to play a large role in forming the crosslinks between cellulose microfibrils. Historically, there have been two proposed mechanisms by wh ...
Report to the Minister of Justice and Solicitor
... physician’s standing order. Mannila stated that based on his experience, he also thought Lapensee could be prone to seizures and Librium reduces the likelihood of brain seizures. [26] He also gave Lapensee Dioval to settle his stomach, 50 mg of Gravol to reduce nausea and 200 mg of Motrin for headac ...
... physician’s standing order. Mannila stated that based on his experience, he also thought Lapensee could be prone to seizures and Librium reduces the likelihood of brain seizures. [26] He also gave Lapensee Dioval to settle his stomach, 50 mg of Gravol to reduce nausea and 200 mg of Motrin for headac ...
Mechanisms of convergence and extension by cell intercalation
... The cells of many embryonic tissues actively narrow in one dimension (convergence) and lengthen in the perpendicular dimension (extension). Convergence and extension are ubiquitous and important tissue movements in metazoan morphogenesis. In vertebrates, the dorsal axial and paraxial mesodermal tiss ...
... The cells of many embryonic tissues actively narrow in one dimension (convergence) and lengthen in the perpendicular dimension (extension). Convergence and extension are ubiquitous and important tissue movements in metazoan morphogenesis. In vertebrates, the dorsal axial and paraxial mesodermal tiss ...
Cell movements driving neuruiation in avian embryos
... (surface epithelial) cells originate from the epiblast of the area pellucida, as far lateral as near the area pellucidaarea opaca border. From this area they stream medially, toward the forming lateral margins of the neural plate. Collectively, movements of the three populations of epiblast cells ge ...
... (surface epithelial) cells originate from the epiblast of the area pellucida, as far lateral as near the area pellucidaarea opaca border. From this area they stream medially, toward the forming lateral margins of the neural plate. Collectively, movements of the three populations of epiblast cells ge ...
Biggins
... distinguishes two different activators of the spindle checkpoint: Ipl1p function is required for the delay triggered by chromosomes whose kinetochores are not under tension, but is not required for arrest induced by spindle depolymerization. Ipl1p localizes at or near kinetochores during mitosis, an ...
... distinguishes two different activators of the spindle checkpoint: Ipl1p function is required for the delay triggered by chromosomes whose kinetochores are not under tension, but is not required for arrest induced by spindle depolymerization. Ipl1p localizes at or near kinetochores during mitosis, an ...
Protozoa as Model System for Studies of
... cell swimming. The entire delay in generation of action potential or ciliary reversal in Stentor is about 0.5 s and in Blepharisma it lasts much longer and takes 2-5 s when measured under the applied conditions (12°C). The short and intensive stimulus may elicit an action potential of which the repo ...
... cell swimming. The entire delay in generation of action potential or ciliary reversal in Stentor is about 0.5 s and in Blepharisma it lasts much longer and takes 2-5 s when measured under the applied conditions (12°C). The short and intensive stimulus may elicit an action potential of which the repo ...
The MHC I immunopeptidome conveys to the cell surface an
... Self/non-self discrimination is a fundamental requirement of life. Endogenous peptides presented by major histocompatibility complex class I (MHC I) molecules represent the essence of self for CD8 T lymphocytes. These MHC I peptides (MIPs) are collectively referred to as the immunopeptidome. From a ...
... Self/non-self discrimination is a fundamental requirement of life. Endogenous peptides presented by major histocompatibility complex class I (MHC I) molecules represent the essence of self for CD8 T lymphocytes. These MHC I peptides (MIPs) are collectively referred to as the immunopeptidome. From a ...
Jamming prokaryotic cell-to-cell communications in a model biofilm†
... Quorum-sensing has been implicated in the regulation of processes such as bioluminescence, swarming, swimming, and virulence.1–5 But despite its appeal, the QS hypothesis may not be an accurate description of all these phenomena.6–8 To elucidate how cell-to-cell signaling works in bacteria, it is vi ...
... Quorum-sensing has been implicated in the regulation of processes such as bioluminescence, swarming, swimming, and virulence.1–5 But despite its appeal, the QS hypothesis may not be an accurate description of all these phenomena.6–8 To elucidate how cell-to-cell signaling works in bacteria, it is vi ...
Leaf epidermal studies of three species of Acalypha Linn.
... The species of Acalypha are prominent in the traditional medicinal practice of most tribes in Africa and Asia (Duraipandiyan et al., 2006; Sofowora, 1982). Acalypha wilkesiana is used in West Africa for the treatment of headache and colds in Nigeria, the cold extracts of the leaves is used to bath b ...
... The species of Acalypha are prominent in the traditional medicinal practice of most tribes in Africa and Asia (Duraipandiyan et al., 2006; Sofowora, 1982). Acalypha wilkesiana is used in West Africa for the treatment of headache and colds in Nigeria, the cold extracts of the leaves is used to bath b ...
Bactericidal activity of the organo
... assay, porin molecules were inserted into the surface of the liposome. The porin used for this assay was the one expressed on the outer membrane of an E. cloacae strain. It was purified and was shown to be a trimeric porin with a MW of 120 kDa. The results shown in Figure 4 demonstrate that AS101 (M ...
... assay, porin molecules were inserted into the surface of the liposome. The porin used for this assay was the one expressed on the outer membrane of an E. cloacae strain. It was purified and was shown to be a trimeric porin with a MW of 120 kDa. The results shown in Figure 4 demonstrate that AS101 (M ...
Correlating single cell motility with population growth dynamics
... obtained between absorbance and percentage of motile bacteria (i.e. for data shown in Fig. 3B) in the growth curve. While the overall average percent of bacteria that were motile (i.e. averages of triplicates) showed a correlation coefficient (CC) value of 0.58 against absorbance, the average CC, w ...
... obtained between absorbance and percentage of motile bacteria (i.e. for data shown in Fig. 3B) in the growth curve. While the overall average percent of bacteria that were motile (i.e. averages of triplicates) showed a correlation coefficient (CC) value of 0.58 against absorbance, the average CC, w ...
The roles of microtubules in tropisms
... Plants are sessile and cannot move when conditions become unfavorable. They can, however, redirect their growth to position stems, roots, leaves, and flowers towards the best possible locations. Shoots grow towards light, maximizing photosynthetic activity. Roots point down along the gravity vector a ...
... Plants are sessile and cannot move when conditions become unfavorable. They can, however, redirect their growth to position stems, roots, leaves, and flowers towards the best possible locations. Shoots grow towards light, maximizing photosynthetic activity. Roots point down along the gravity vector a ...
Primordial germ cells migration: morphological and molecular aspects
... In the mouse, PGCs first appear in 7-day-old embryos in both early pregastrulation and the early-streak stage as a cluster of 50-100 alkaline-phosphatase positive cells at the base of allantoids (Ginsburg et al., 1990). In 8.5day-old embryos, as consequence of morphogenetic events, they translocate ...
... In the mouse, PGCs first appear in 7-day-old embryos in both early pregastrulation and the early-streak stage as a cluster of 50-100 alkaline-phosphatase positive cells at the base of allantoids (Ginsburg et al., 1990). In 8.5day-old embryos, as consequence of morphogenetic events, they translocate ...
An Equatorial Contractile Mechanism Drives Cell Elongation but not
... rod-like structure found in all embryos that belong to the phylum Chordata, and in Ciona, a simple chordate, it consists of only 40 cylindrical cells arranged in a single file, which elongate individually during development. Our study shows that the activity of the equatorial actomyosin ring is requ ...
... rod-like structure found in all embryos that belong to the phylum Chordata, and in Ciona, a simple chordate, it consists of only 40 cylindrical cells arranged in a single file, which elongate individually during development. Our study shows that the activity of the equatorial actomyosin ring is requ ...
Expression of Cell Adhesion Molecule E
... member of the cadherin gene family, is responsible for the Ca2+-dependent adhesion between cleavage stage Xenopus blastomeres. Detectable accumulation of E-cadherin started just before gastrulation at stage 91/2 and increased rapidly up to the end of gastrulation at stage 15. In stage 15 embryos, sp ...
... member of the cadherin gene family, is responsible for the Ca2+-dependent adhesion between cleavage stage Xenopus blastomeres. Detectable accumulation of E-cadherin started just before gastrulation at stage 91/2 and increased rapidly up to the end of gastrulation at stage 15. In stage 15 embryos, sp ...
The maternal muscle determinant in the ascidian egg
... program can be activated by a cell-autonomous mechanism involving macho-1 and inductive cell interactions. Therefore, ascidian embryos produce the same type of cells using distinct mechanisms. In vertebrates, muscle cell formation is dependent on mesoderm induction, which is mediated by nodal signal ...
... program can be activated by a cell-autonomous mechanism involving macho-1 and inductive cell interactions. Therefore, ascidian embryos produce the same type of cells using distinct mechanisms. In vertebrates, muscle cell formation is dependent on mesoderm induction, which is mediated by nodal signal ...
central spindle and contractile ring for cytokinesis encodes a kinesin
... stained to reveal DNA (red) and either Peanut (A and D, green), Actin (B and E, green), or Anillin (C and F, blue). In wild type (A), Peanut is distributed beneath the cell surface, and at anaphase it accumulates near the nascent contractile ring (arrow) and remains associated with this region throu ...
... stained to reveal DNA (red) and either Peanut (A and D, green), Actin (B and E, green), or Anillin (C and F, blue). In wild type (A), Peanut is distributed beneath the cell surface, and at anaphase it accumulates near the nascent contractile ring (arrow) and remains associated with this region throu ...
THE SEPARATION OF DIFFERENT CELL CLASSES FROM
... The lymphocyte fraction appears fully active in its ability to initiate immune responses to at least two different antigens, but is changed in over-all composition and selectively depleted in certain classes of antibody-forming cells . ...
... The lymphocyte fraction appears fully active in its ability to initiate immune responses to at least two different antigens, but is changed in over-all composition and selectively depleted in certain classes of antibody-forming cells . ...