Inter-specific scaling of phytoplankton production and cell size in the
... approximately isometrically with cell size (Marañón et al., 2007). The data shown in Table I suggest that the size scaling exponent for carbon production by natural phytoplankton assemblages in the field is significantly higher than that determined with laboratory cultures. This discrepancy can ha ...
... approximately isometrically with cell size (Marañón et al., 2007). The data shown in Table I suggest that the size scaling exponent for carbon production by natural phytoplankton assemblages in the field is significantly higher than that determined with laboratory cultures. This discrepancy can ha ...
Cell Communication and Signaling
... induction of Cdc42-GTP and efficient invasion. Interestingly, filopodia formation and associated membrane dynamics linked to invasion were only seen during infection of wildtype but not in knockout cells. Infection of cells stably expressing integrin-beta1 variants with well-known defects in fibrone ...
... induction of Cdc42-GTP and efficient invasion. Interestingly, filopodia formation and associated membrane dynamics linked to invasion were only seen during infection of wildtype but not in knockout cells. Infection of cells stably expressing integrin-beta1 variants with well-known defects in fibrone ...
SETD6 is a negative regulator of oxidative stress response
... observed by ELISA (Fig. 2A). This result suggested that DJ1 may serve as a direct target for methylation by SETD6. To test this hypothesis, we performed an in-vitro methylation assay (Fig. 2B). Surprisingly, DJ1 was not methylated by SETD6 (Fig. 2B). This result was confirmed by mass-spectrometry (da ...
... observed by ELISA (Fig. 2A). This result suggested that DJ1 may serve as a direct target for methylation by SETD6. To test this hypothesis, we performed an in-vitro methylation assay (Fig. 2B). Surprisingly, DJ1 was not methylated by SETD6 (Fig. 2B). This result was confirmed by mass-spectrometry (da ...
Apoptosis-inducing factor is involved in the regulation of caspase
... In wild-type neurons, treatment with camptothecin resulted in a rapid loss of neuronal survival beginning at 12 h, and within 24 h, survival had decreased to 20% (Fig. 1 A). In contrast, Apaf1-deficient neurons remained largely viable during the first 24 h of treatment. However, after 24 h, cell s ...
... In wild-type neurons, treatment with camptothecin resulted in a rapid loss of neuronal survival beginning at 12 h, and within 24 h, survival had decreased to 20% (Fig. 1 A). In contrast, Apaf1-deficient neurons remained largely viable during the first 24 h of treatment. However, after 24 h, cell s ...
CD95 ligation and intracellular membrane flow
... acidification, subsequent activation of acidic sphingomyelinase and ceramide formation [5]. These events occur within seconds after CD95 ligation and trigger a PKCζ (protein kinase Cζ )-mediated activation of NADPH oxidase with subsequent formation of ROS (reactive oxygen species) [5]. This ROS resp ...
... acidification, subsequent activation of acidic sphingomyelinase and ceramide formation [5]. These events occur within seconds after CD95 ligation and trigger a PKCζ (protein kinase Cζ )-mediated activation of NADPH oxidase with subsequent formation of ROS (reactive oxygen species) [5]. This ROS resp ...
Leukaemia Section t(Y;1)(q12;q12) Atlas of Genetics and Cytogenetics in Oncology and Haematology
... important in the pathogenesis of MDS remains to be elucidated. Furthermore, since juxtaposition of heterochromatin and euchromatin has been shown to affect gene function, this may contribute to the pathogenic mechanism underlying der(Y)t(Y;1) as the heterochromatin at Yq12 is involved in the ...
... important in the pathogenesis of MDS remains to be elucidated. Furthermore, since juxtaposition of heterochromatin and euchromatin has been shown to affect gene function, this may contribute to the pathogenic mechanism underlying der(Y)t(Y;1) as the heterochromatin at Yq12 is involved in the ...
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 ...
PDF
... Fig. S2B). Finally, genetic removal of Gαo replicated the Gαo downregulation data (Fig. 2A), resulting in a strong reduction in bouton numbers and aberrant NMJ morphology (Fig. 2C, compare with Fig. 1A-F); presynaptic re-expression of Gαo was able to rescue the Gαo−/− defects (supplementary material ...
... Fig. S2B). Finally, genetic removal of Gαo replicated the Gαo downregulation data (Fig. 2A), resulting in a strong reduction in bouton numbers and aberrant NMJ morphology (Fig. 2C, compare with Fig. 1A-F); presynaptic re-expression of Gαo was able to rescue the Gαo−/− defects (supplementary material ...
Cyclic AMP-Mediated Inhibition of Cell Growth Requires the Small G
... experiments, cells were treated with isoproterenol (10 M), EGF (100 ng/ml), or forskolin (10 M) for 5 min unless otherwise indicated. Where indicated, cells were pretreated with isoproterenol or forskolin for 5 min and then stimulated with EGF for 5 min. H89 (10 M) and PD98059 (10 M) were added ...
... experiments, cells were treated with isoproterenol (10 M), EGF (100 ng/ml), or forskolin (10 M) for 5 min unless otherwise indicated. Where indicated, cells were pretreated with isoproterenol or forskolin for 5 min and then stimulated with EGF for 5 min. H89 (10 M) and PD98059 (10 M) were added ...
Generation of the podocyte and tubular components
... to induction of glomerular fates (Naylor and Jones, 2009). Notch signaling has been found to be required for generation of glomerular and proximal tubular nephron components in several species (McLaughlin et al., 2000; McCright et al., 2001; Cheng et al., 2003; Taelman et al., 2006; Cheng et al., 20 ...
... to induction of glomerular fates (Naylor and Jones, 2009). Notch signaling has been found to be required for generation of glomerular and proximal tubular nephron components in several species (McLaughlin et al., 2000; McCright et al., 2001; Cheng et al., 2003; Taelman et al., 2006; Cheng et al., 20 ...
Leaf growth in grasses is determined by the cell division and
... The relative elemental growth rate for both treatments was bell-shaped (Figure 3). It increased from the leaf base, reached a maximum, and then decreased to close to zero at the leaf tip. The relative elemental growth rate under salinity was higher up to about 25 mm above the leaf base than that fo ...
... The relative elemental growth rate for both treatments was bell-shaped (Figure 3). It increased from the leaf base, reached a maximum, and then decreased to close to zero at the leaf tip. The relative elemental growth rate under salinity was higher up to about 25 mm above the leaf base than that fo ...
The Balance between Cell Division and Endoreplication Depends
... GST-DPB, but not GST alone, interacts with MYC-SKP2A. Furthermore, the amount of MYC-SKP2A recovered in the pull-down experiments increased when ATP was added to the reaction (see Methods), suggesting that a higher phosphorylation of DPB likely stimulates its recognition by SKP2A. Consistent with th ...
... GST-DPB, but not GST alone, interacts with MYC-SKP2A. Furthermore, the amount of MYC-SKP2A recovered in the pull-down experiments increased when ATP was added to the reaction (see Methods), suggesting that a higher phosphorylation of DPB likely stimulates its recognition by SKP2A. Consistent with th ...
Isolation and Characterization of Piscine Osteonectin and
... osteoblastic response since its first description as a linker between mineral and collagen in human bone.(12) OSN is implicated in mineralization of bone and cartilage,(13) and high concentrations of calcium ions increase expression of OSN and other markers of terminal differentiation, followed by a ...
... osteoblastic response since its first description as a linker between mineral and collagen in human bone.(12) OSN is implicated in mineralization of bone and cartilage,(13) and high concentrations of calcium ions increase expression of OSN and other markers of terminal differentiation, followed by a ...
Cytokinesis in Tobacco BY-2 and Root Tip Cells: A New Model of
... cell wall between daughter cells. This process is accomplished by the formation of the phragmoplast that not only builds the new plate but spatially orients it within the cell relative to the whole plant or organ axis. The phragmoplast of higher plant cells has been described as consisting of three ...
... cell wall between daughter cells. This process is accomplished by the formation of the phragmoplast that not only builds the new plate but spatially orients it within the cell relative to the whole plant or organ axis. The phragmoplast of higher plant cells has been described as consisting of three ...
Generation of the podocyte and tubular components
... to induction of glomerular fates (Naylor and Jones, 2009). Notch signaling has been found to be required for generation of glomerular and proximal tubular nephron components in several species (McLaughlin et al., 2000; McCright et al., 2001; Cheng et al., 2003; Taelman et al., 2006; Cheng et al., 20 ...
... to induction of glomerular fates (Naylor and Jones, 2009). Notch signaling has been found to be required for generation of glomerular and proximal tubular nephron components in several species (McLaughlin et al., 2000; McCright et al., 2001; Cheng et al., 2003; Taelman et al., 2006; Cheng et al., 20 ...
Cytokinesis in Tobacco BY-2 and Root Tip Cells: A
... cell wall between daughter cells. This process is accomplished by the formation of the phragmoplast that not only builds the new plate but spatially orients it within the cell relative to the whole plant or organ axis. The phragmoplast of higher plant cells has been described as consisting of three ...
... cell wall between daughter cells. This process is accomplished by the formation of the phragmoplast that not only builds the new plate but spatially orients it within the cell relative to the whole plant or organ axis. The phragmoplast of higher plant cells has been described as consisting of three ...
A myosin inhibitor impairs auxin
... 1999), little is known about their cellular function. In most cases, the specific functions of plant myosins have still to be derived from sequence homologies with nonplant myosins of known function (Mooseker and Cheney 1996). For instance, from the sequence similarity between the tail domains of cl ...
... 1999), little is known about their cellular function. In most cases, the specific functions of plant myosins have still to be derived from sequence homologies with nonplant myosins of known function (Mooseker and Cheney 1996). For instance, from the sequence similarity between the tail domains of cl ...
SM-20, EGL-9, and the EGLN Family of Hypoxia
... other stimuli induces the rapid and typically transient expression of so-called ‘immediate early genes’ such as cjun and c-fos. While comparing gene expression in rat vascular smooth muscle cells treated with or without platelet-derived growth factor, Taubman and colleagues (Wax et al., 1994) identi ...
... other stimuli induces the rapid and typically transient expression of so-called ‘immediate early genes’ such as cjun and c-fos. While comparing gene expression in rat vascular smooth muscle cells treated with or without platelet-derived growth factor, Taubman and colleagues (Wax et al., 1994) identi ...
4-3. Cell wall structure of E. coli and B. subtilis
... and therefore can be called autolysins or suicide enzymes [1, 4]. Autolysins have been implicated in several important cellular processes, such as cell wall turnover, cell separation, competence, and flagellation (motility), in addition to cell lysis, and they act as pacemaker and space maker enzyme ...
... and therefore can be called autolysins or suicide enzymes [1, 4]. Autolysins have been implicated in several important cellular processes, such as cell wall turnover, cell separation, competence, and flagellation (motility), in addition to cell lysis, and they act as pacemaker and space maker enzyme ...
Two distinct classes of prestalk
... These contained inserts of 0-65kb (pDd26), 2-4kb (pDd56) and 2-3 kb (pDd63) in length. Subsequent analysis, by Northern transfer, showed pDd26 to contain an almost full-length insert while pDd56 and pDd63, which derive from longer mRNA sequences, contain portions of the coding sequences proximal to ...
... These contained inserts of 0-65kb (pDd26), 2-4kb (pDd56) and 2-3 kb (pDd63) in length. Subsequent analysis, by Northern transfer, showed pDd26 to contain an almost full-length insert while pDd56 and pDd63, which derive from longer mRNA sequences, contain portions of the coding sequences proximal to ...
Studies on polar cell wall growth and antibiotic susceptibility of
... Corynebacterium glutamicum is a Gram positive soil bacterium with high industrial importance in ton scale production of amino acids. Apart from that, it becomes more and more important for medical studies, where it serves as model organism due to its close relation to bacteria causing several pathog ...
... Corynebacterium glutamicum is a Gram positive soil bacterium with high industrial importance in ton scale production of amino acids. Apart from that, it becomes more and more important for medical studies, where it serves as model organism due to its close relation to bacteria causing several pathog ...