Parvalbumin-Expressing Inhibitory Interneurons in Auditory Cortex
... 20 – 80 dB in 15 dB steps, ⱕ10 repetitions). We used this first curve for an initial estimate of CF and sound level threshold. We then obtained a more accurate estimate of CF using a custom tone array (typically 6 frequencies/octave, intensities in 10 dB steps, ⱖ20 repetitions) centered on our initi ...
... 20 – 80 dB in 15 dB steps, ⱕ10 repetitions). We used this first curve for an initial estimate of CF and sound level threshold. We then obtained a more accurate estimate of CF using a custom tone array (typically 6 frequencies/octave, intensities in 10 dB steps, ⱖ20 repetitions) centered on our initi ...
EFFECT OF ASCORBIC ACID CONCENTRATION ON
... with ascorbic acid, numbers of dividing cells were observed in roots quiescent center treated with ascorbic acid. On the other words, ascorbic acid stimulates cells of this region and induces cell division. These results are in agreement with those obtained by Liso et al. [1984] and Kerk and Feldman ...
... with ascorbic acid, numbers of dividing cells were observed in roots quiescent center treated with ascorbic acid. On the other words, ascorbic acid stimulates cells of this region and induces cell division. These results are in agreement with those obtained by Liso et al. [1984] and Kerk and Feldman ...
New Insights on Plant Cell Elongation: A Role for Acetylcholine
... but they may somehow provide a signalling function also in plants. Supporting this role, receptors have been found [24,25]; among them the glutamate receptors are the better characterised (for review [26]). Serotonin and melatonin [21–23], as well as L-glutamate [27], appear to regulate the root sys ...
... but they may somehow provide a signalling function also in plants. Supporting this role, receptors have been found [24,25]; among them the glutamate receptors are the better characterised (for review [26]). Serotonin and melatonin [21–23], as well as L-glutamate [27], appear to regulate the root sys ...
Control of cell cycle transcription during G1 and S phases
... Activation of G1–S transcription Cells commit to enter a new cell cycle during G1 by activating cyclin–CDK-dependent transcription (FIG. 1). G1–S transcriptional activation during late G1 promotes entry into S phase after which expression is turned off. This creates a wave of transcription, which pe ...
... Activation of G1–S transcription Cells commit to enter a new cell cycle during G1 by activating cyclin–CDK-dependent transcription (FIG. 1). G1–S transcriptional activation during late G1 promotes entry into S phase after which expression is turned off. This creates a wave of transcription, which pe ...
RNA polymerase III component Rpc9 regulates
... expression of p53. Interestingly, WISH result revealed that, compared with the controls, p53 expression was specifically increased in the CHT region of rpc9 −/− mutants (Fig. 6A). Activation of P53 was also confirmed by qRT-PCR and western blot (Fig. S6A, Fig. 6B,C). To determine whether upregulatio ...
... expression of p53. Interestingly, WISH result revealed that, compared with the controls, p53 expression was specifically increased in the CHT region of rpc9 −/− mutants (Fig. 6A). Activation of P53 was also confirmed by qRT-PCR and western blot (Fig. S6A, Fig. 6B,C). To determine whether upregulatio ...
Protists - Needham.K12.ma.us
... cell membrane and too much can cause the cell to burst (passive transport or osmosis). Fortunately for these protozoans, they have a contractile vacuole. A contractile vacuole is a structure that collects and expels excess water from the cell. ...
... cell membrane and too much can cause the cell to burst (passive transport or osmosis). Fortunately for these protozoans, they have a contractile vacuole. A contractile vacuole is a structure that collects and expels excess water from the cell. ...
The hypersensitive response and the induction of cell death in plants
... tissues where individual infection events can be followed. One well characterized system is the interaction between the biotrophic fungus Uromyces vignae and cowpea. At 15 h after inoculation during an incompatible interaction, Chen and Heath (1991) observed the following sequence of cytological eve ...
... tissues where individual infection events can be followed. One well characterized system is the interaction between the biotrophic fungus Uromyces vignae and cowpea. At 15 h after inoculation during an incompatible interaction, Chen and Heath (1991) observed the following sequence of cytological eve ...
Thesis - KI Open Archive
... Breast cancer (BC) is the most common form of cancer in western women. The grand majority of the afflicted women are eligible for endocrine treatment. Tamoxifen has been the golden standard treatment for more than three decades. Unfortunately, resistance towards this drug is a major concern in the c ...
... Breast cancer (BC) is the most common form of cancer in western women. The grand majority of the afflicted women are eligible for endocrine treatment. Tamoxifen has been the golden standard treatment for more than three decades. Unfortunately, resistance towards this drug is a major concern in the c ...
Ribosome biogenesis and cell growth: mTOR coordinates
... and ribosome assembly are transcriptionally co-regulated as ‘Ribi regulons’ by the same set of cis- and/or trans-acting factors. Members of the ‘Ribi regulon’ share a polypyrimidine tract, termed 50 TOP (‘terminal oligopyrimidines’ or ‘track of pyrimidines’) sequence at the 50 end of their mRNA. Ana ...
... and ribosome assembly are transcriptionally co-regulated as ‘Ribi regulons’ by the same set of cis- and/or trans-acting factors. Members of the ‘Ribi regulon’ share a polypyrimidine tract, termed 50 TOP (‘terminal oligopyrimidines’ or ‘track of pyrimidines’) sequence at the 50 end of their mRNA. Ana ...
Phosphatidylinositol 4-Phosphate Formation at ER Exit Sites
... with PtdIns4P (Dowler et al., 2000), inhibited VSV-Gts export at concentrations of 2–3 mM (Figures 1C and 1G and titration in Figure 2D). GST-Fapp1-PH also inhibited the mobilization of COPII vesicle SNARE protein Bet1 (Figure 1D), suggesting that sequestration of PtdIns4P led to general inhibition ...
... with PtdIns4P (Dowler et al., 2000), inhibited VSV-Gts export at concentrations of 2–3 mM (Figures 1C and 1G and titration in Figure 2D). GST-Fapp1-PH also inhibited the mobilization of COPII vesicle SNARE protein Bet1 (Figure 1D), suggesting that sequestration of PtdIns4P led to general inhibition ...
Traffic into silence: endomembranes and
... are connected either directly or through transport vesicles, the formation of which necessitates the selective recruitment of coat proteins (clathrin, COPI, COPII, and retromer), various GTPases (Sar1, Arf1, and Rabs), and the endosomal sorting complex required for transport (ESCRT) complexes (Kirch ...
... are connected either directly or through transport vesicles, the formation of which necessitates the selective recruitment of coat proteins (clathrin, COPI, COPII, and retromer), various GTPases (Sar1, Arf1, and Rabs), and the endosomal sorting complex required for transport (ESCRT) complexes (Kirch ...
Dynamin as a mover and pincher during cell migration and invasion
... with lipids, actin and several new binding partners are providing some insight into its lamellipodial localization and support this notion. Dynamin and actin dynamics Several seminal studies provided the initial impetus for pursuing a relationship between dynamin and the actin cytoskeleton. Initiall ...
... with lipids, actin and several new binding partners are providing some insight into its lamellipodial localization and support this notion. Dynamin and actin dynamics Several seminal studies provided the initial impetus for pursuing a relationship between dynamin and the actin cytoskeleton. Initiall ...
bacterial cell shape - Jacobs-Wagner Lab
... PEPTIDOGLYCAN HYDROLASES, rapidly followed by insertion of new subunits45, or the attachment of three new glycan strands to the existing structure, which are then automatically pulled into the stress-bearing layer by the cleavage and removal of one old strand46. The large number and variety of hydro ...
... PEPTIDOGLYCAN HYDROLASES, rapidly followed by insertion of new subunits45, or the attachment of three new glycan strands to the existing structure, which are then automatically pulled into the stress-bearing layer by the cleavage and removal of one old strand46. The large number and variety of hydro ...
The Kingdom of Fungi is very diverse. Usually it is - Varga
... either sexually or asexually. During favourable conditions, fungi reproduce ________________. During non-favourable conditions, fungi will lean towards ________________ reproduction. We will focus on two main groups (phyla) of fungi and their life cycles: Club Fungi and Bread Molds. ...
... either sexually or asexually. During favourable conditions, fungi reproduce ________________. During non-favourable conditions, fungi will lean towards ________________ reproduction. We will focus on two main groups (phyla) of fungi and their life cycles: Club Fungi and Bread Molds. ...
Human Skin Equivalent Model
... maintenance of skin function and integrity, is limited. This lack of fundamental knowledge has arisen in part from the less than ideal in vitro and ex vivo models available to facilitate skin research. For example, 2-dimensional (2D) in vitro cell culture studies do not accurately reflect the comple ...
... maintenance of skin function and integrity, is limited. This lack of fundamental knowledge has arisen in part from the less than ideal in vitro and ex vivo models available to facilitate skin research. For example, 2-dimensional (2D) in vitro cell culture studies do not accurately reflect the comple ...
Interesting Facts - Raleigh Charter High School
... meiosis. Four nuclei are formed, three disintegrate and the other duplicates by mitosis. The daughter nucleus moves across the bridge and fuses with the other daughter nucleus to for a diploid nucleus. Then the cells separate. The old macronucleus disintegrates and a new one is formed from the micro ...
... meiosis. Four nuclei are formed, three disintegrate and the other duplicates by mitosis. The daughter nucleus moves across the bridge and fuses with the other daughter nucleus to for a diploid nucleus. Then the cells separate. The old macronucleus disintegrates and a new one is formed from the micro ...
The Lymphoid System - Napa Valley College
... Mature T cells leave the circulation to take temporary residence in peripheral tissues. All three types of lymphocytes circulate throughout the body in the ...
... Mature T cells leave the circulation to take temporary residence in peripheral tissues. All three types of lymphocytes circulate throughout the body in the ...
IL-5 Receptor-mediated Tyrosine Phosphorylation of SH2
... with its receptor (I1`5R) which consists of two distinct polypeptide chains, c~and j8 (~/c). Although both I1`5Ro~ and /3c lack a kinase catalytic domain, I1`5 is capable of inducing tyrosine phosphorylation of cellular proteins. We investigated the role of I1`SKcxin tyrosine phosphorylation of mole ...
... with its receptor (I1`5R) which consists of two distinct polypeptide chains, c~and j8 (~/c). Although both I1`5Ro~ and /3c lack a kinase catalytic domain, I1`5 is capable of inducing tyrosine phosphorylation of cellular proteins. We investigated the role of I1`SKcxin tyrosine phosphorylation of mole ...
Sporangiophores' Technique Study Transpiration Pressure Probe
... These pressure probe techniques have also been used to study the water relations of the sporangiophores of Phycomyces blakesleeanus (5). In general, pressure probe techniques require that there is a known relationship between the turgor pressure and other parameters which represent the biophysical a ...
... These pressure probe techniques have also been used to study the water relations of the sporangiophores of Phycomyces blakesleeanus (5). In general, pressure probe techniques require that there is a known relationship between the turgor pressure and other parameters which represent the biophysical a ...
An immunologist`s perspective on nutrition, immunity, and infectious
... pathogens, each containing different PAMP, can interact with a certain combination of PRR on or in a host cell. The variety of PRR complexes triggers specific intracellular signal transduction pathways that will induce specific gene expression profiles, particularly cytokine/chemokine expression, be ...
... pathogens, each containing different PAMP, can interact with a certain combination of PRR on or in a host cell. The variety of PRR complexes triggers specific intracellular signal transduction pathways that will induce specific gene expression profiles, particularly cytokine/chemokine expression, be ...
Temporal and Spatial Distribution of DNA Topoisomerase II Alters
... almost the same signal intensity (Fig 1D and E). These results were representative of five similar experiments. Two-dimensional flow cytometric analysis on differentiating HL-60 cells showed alterations in the cell cycle distribution and changes in topo IIa and IIb levels at each cell cycle position ...
... almost the same signal intensity (Fig 1D and E). These results were representative of five similar experiments. Two-dimensional flow cytometric analysis on differentiating HL-60 cells showed alterations in the cell cycle distribution and changes in topo IIa and IIb levels at each cell cycle position ...
A Nanobody-Based System Using Fluorescent Proteins as Scaffolds
... Transgenic lines expressing driver genes such as transcription factors or site-specific recombinases in specific cell populations can then be used to control the expression of genes in responder cassettes. However, the utility of individual lines is limited by a transgene’s functional abilities; rep ...
... Transgenic lines expressing driver genes such as transcription factors or site-specific recombinases in specific cell populations can then be used to control the expression of genes in responder cassettes. However, the utility of individual lines is limited by a transgene’s functional abilities; rep ...