fist: an Arabidopsis mutant with altered cell division planes and
... The fist mutant was isolated from a collection of lines of Arabidopsis thaliana (L.) Heynh. ecotype Wassilewskija (WS) mutagenised by T-DNA insertion (Feldmann and Marks 1987; Feldmann 1991; Yadegari et al. 1994). The original line number for this mutant was A2179, and it can be obtained from the Ar ...
... The fist mutant was isolated from a collection of lines of Arabidopsis thaliana (L.) Heynh. ecotype Wassilewskija (WS) mutagenised by T-DNA insertion (Feldmann and Marks 1987; Feldmann 1991; Yadegari et al. 1994). The original line number for this mutant was A2179, and it can be obtained from the Ar ...
Plant Oligosaccharides – Outsiders among Elicitors?
... These are the reasons that the data on the extraction of oligosaccharides directly from plant tissue are very limited (table). Studies of the team headed by O. A. Zabotina and A. I. Zabotin are among the few exceptions [36, 37, 43, 44]. Although with some caution, obtaining of active oligosaccharide ...
... These are the reasons that the data on the extraction of oligosaccharides directly from plant tissue are very limited (table). Studies of the team headed by O. A. Zabotina and A. I. Zabotin are among the few exceptions [36, 37, 43, 44]. Although with some caution, obtaining of active oligosaccharide ...
Trainor - Master BMC
... Thus, the established definition of Developmental Biology is too narrow, as the process of development continues long after embryogenesis, throughout maturation, and even during aging. In fact, it could be argued that even when an organism ceases to function, developmental mechanisms still kick in t ...
... Thus, the established definition of Developmental Biology is too narrow, as the process of development continues long after embryogenesis, throughout maturation, and even during aging. In fact, it could be argued that even when an organism ceases to function, developmental mechanisms still kick in t ...
Cytokinesis defines a spatial landmark for hepatocyte polarization
... understand the molecular underpinnings of bile canaliculus formation, we divided the process into three stages – pre-bilecanaliculus, small bile canaliculus and large bile canaliculus – and monitored the key molecular events that are associated with cell polarization and membrane trafficking at each ...
... understand the molecular underpinnings of bile canaliculus formation, we divided the process into three stages – pre-bilecanaliculus, small bile canaliculus and large bile canaliculus – and monitored the key molecular events that are associated with cell polarization and membrane trafficking at each ...
Dynamics of interactions of photosensitizers with lipoproteins and
... The incorporation and subcellular localization of photosensitizers are critical determinants of their efficiency. Here, we correlate these properties with the interactions of photosensitizers with membrane-models and low density lipoproteins (LDL) in acellular systems. Focus was given on dynamics as ...
... The incorporation and subcellular localization of photosensitizers are critical determinants of their efficiency. Here, we correlate these properties with the interactions of photosensitizers with membrane-models and low density lipoproteins (LDL) in acellular systems. Focus was given on dynamics as ...
Update on Reactive Oxygen - Biology Department | UNC Chapel Hill
... cerium chloride staining) were colocalized in the vicinity of invading bacteria together with other components of the papillae (Brown et al., 1998). These results suggested that H2O2 generation by this enzyme could lead to the generation of subcellular, polarized physical barriers at infection sites ...
... cerium chloride staining) were colocalized in the vicinity of invading bacteria together with other components of the papillae (Brown et al., 1998). These results suggested that H2O2 generation by this enzyme could lead to the generation of subcellular, polarized physical barriers at infection sites ...
Phosphorylation-Dependent Targeting of Tetrahymena HP1 to
... fluorescence microscopy at various time points in live cells in the conjugating cell population. GFP-Hhp1 localized only to the macronucleus and not to the decondensed (crescent) meiotic prophase micronucleus in early conjugation (h 3) or to the recondensed meiotic micronucleus at h 4 (Fig. 3b), ruli ...
... fluorescence microscopy at various time points in live cells in the conjugating cell population. GFP-Hhp1 localized only to the macronucleus and not to the decondensed (crescent) meiotic prophase micronucleus in early conjugation (h 3) or to the recondensed meiotic micronucleus at h 4 (Fig. 3b), ruli ...
Phloem imaging - Oxford Academic
... in deeper tissue layers with CLSM, the phloem is, nevertheless, too deep inside almost all plant organs to obtain highresolution images of its subcellular structure. The first CLSM images of living phloem cells have been made from conifer bark. Bark pieces were infiltrated with fluorescent dyes that ...
... in deeper tissue layers with CLSM, the phloem is, nevertheless, too deep inside almost all plant organs to obtain highresolution images of its subcellular structure. The first CLSM images of living phloem cells have been made from conifer bark. Bark pieces were infiltrated with fluorescent dyes that ...
NYS Lab: Diffusion Through a Membrane
... • exposure to a strongly hypotonic solution resulted in the cell's ability to quickly adjust to ...
... • exposure to a strongly hypotonic solution resulted in the cell's ability to quickly adjust to ...
Dynamics of clathrin-mediated endocytosis and its requirement for
... on either clathrin or adaptor protein 2 (AP2), an endocytic adaptor molecule. In this study, we investigated the requirement for components of clathrin-mediated endocytosis (CME) in another unicellular organism, the amoeba Dictyostelium. We identified a heterotetrameric AP2 complex in Dictyostelium ...
... on either clathrin or adaptor protein 2 (AP2), an endocytic adaptor molecule. In this study, we investigated the requirement for components of clathrin-mediated endocytosis (CME) in another unicellular organism, the amoeba Dictyostelium. We identified a heterotetrameric AP2 complex in Dictyostelium ...
AP Bio Ch 4 Study Guide
... d. rough e. medial ____ 44. A secondary lysosome is a lysosome that a. provides a backup to the primary lysosomes. b. is smaller than a primary lysosome. c. will become a primary lysosome when it fuses with a phagosome. d. is a primary lysosome that has fused with a phagosome. e. has exocytosed. ___ ...
... d. rough e. medial ____ 44. A secondary lysosome is a lysosome that a. provides a backup to the primary lysosomes. b. is smaller than a primary lysosome. c. will become a primary lysosome when it fuses with a phagosome. d. is a primary lysosome that has fused with a phagosome. e. has exocytosed. ___ ...
A novel meiosisspecific protein of fission yeast, Meu13p, promotes
... integrant strain suggests that Meu13±GFP is fully functional (data not shown). After meiosis was induced, a faint nuclear GFP signal appeared at about the time karyogamy occurs, after which the GFP signal intensity increased during the horse-tail period. Thus, GFP signal foci were seen from 68 6 11 ...
... integrant strain suggests that Meu13±GFP is fully functional (data not shown). After meiosis was induced, a faint nuclear GFP signal appeared at about the time karyogamy occurs, after which the GFP signal intensity increased during the horse-tail period. Thus, GFP signal foci were seen from 68 6 11 ...
Newman and Zahs, J Neurosci., 18:4022-8, 1998.
... the firing rate of the neuron occurred after a similar delay. A movie illustrating this experimental trial can be viewed at http://enlil.med.umn.edu / www/phsl/work/caw.htm#neuron. The majority of the neurons we monitored showed changes in their firing rate that were correlated with the arrival of g ...
... the firing rate of the neuron occurred after a similar delay. A movie illustrating this experimental trial can be viewed at http://enlil.med.umn.edu / www/phsl/work/caw.htm#neuron. The majority of the neurons we monitored showed changes in their firing rate that were correlated with the arrival of g ...
Role of cholesterol in SNARE-mediated trafficking on intracellular
... It should be noted that in some cell types, in particular hepatocytes and steroidogenic cells, uptake of cholesterol from high-density lipoprotein (HDL) can significantly contribute to cholesterol homeostasis. This is mediated by the scavenger receptor class B member 1 (SRB1, also known as SR-BI), a ...
... It should be noted that in some cell types, in particular hepatocytes and steroidogenic cells, uptake of cholesterol from high-density lipoprotein (HDL) can significantly contribute to cholesterol homeostasis. This is mediated by the scavenger receptor class B member 1 (SRB1, also known as SR-BI), a ...
Notes - EtoosIndia
... Cell cycle of meristem is in continuous state of division. It means they have the capacity to divide. Meristematic cells have only primary cell wall which is thin and flexible (elastic). Secondary cell wall is absent. Cells of meristem are small. They have dense cytoplasm. Normally vacuoles are abse ...
... Cell cycle of meristem is in continuous state of division. It means they have the capacity to divide. Meristematic cells have only primary cell wall which is thin and flexible (elastic). Secondary cell wall is absent. Cells of meristem are small. They have dense cytoplasm. Normally vacuoles are abse ...
ER storage diseases: a role for ERGIC
... expressing L chains, RB displayed ribosomes all around their surface. In contrast, the structures present in N[⌬CH1] cells had only occasional ribosomes, often concentrated in discrete areas. We will refer to these latter structures as smooth RB (sRB). Inhibiting degradation favors smooth RB format ...
... expressing L chains, RB displayed ribosomes all around their surface. In contrast, the structures present in N[⌬CH1] cells had only occasional ribosomes, often concentrated in discrete areas. We will refer to these latter structures as smooth RB (sRB). Inhibiting degradation favors smooth RB format ...
Trafficking of the human transferrin receptor in plant cells: effects of
... *For correspondence (fax þ34 963544917; e-mail [email protected]). ...
... *For correspondence (fax þ34 963544917; e-mail [email protected]). ...
Leading to a Mild Immunodeficiency Activator trans
... The expression of MHC class II molecules is essential for all Ag-dependent immune functions and is regulated at the transcriptional level. Four trans-acting proteins control the coordinate expression of MHC class II molecules: class II trans-activator (CIITA), regulatory factor binding to the X box ...
... The expression of MHC class II molecules is essential for all Ag-dependent immune functions and is regulated at the transcriptional level. Four trans-acting proteins control the coordinate expression of MHC class II molecules: class II trans-activator (CIITA), regulatory factor binding to the X box ...
Genetic and Molecular Mechanisms Controlling Reactive
... In the present work, the regulation and mechanisms of cellular responses, such as cell death and signalling of systemic acquired acclimation (SAA), in response to environmentally induced oxidative stress in Arabidopsis are characterized. We used the lesion simulating disease1 (lsd1) mutant as a gene ...
... In the present work, the regulation and mechanisms of cellular responses, such as cell death and signalling of systemic acquired acclimation (SAA), in response to environmentally induced oxidative stress in Arabidopsis are characterized. We used the lesion simulating disease1 (lsd1) mutant as a gene ...
MESOPHYLL STRUCTURE AND CHLOROPLAST DENSITY IN
... period (Khrolenko et al., 2007). The generative whorl includes 3–4 palmately compound leaves, mostly pentamerous and less commonly tetramerous. The specific structure of the aboveground shoot and its structural pattern are determined at the bud stage and realized during the vegetative period, so the ...
... period (Khrolenko et al., 2007). The generative whorl includes 3–4 palmately compound leaves, mostly pentamerous and less commonly tetramerous. The specific structure of the aboveground shoot and its structural pattern are determined at the bud stage and realized during the vegetative period, so the ...
Denitrification of water in a microbial fuel cell (MFC) using seawater
... Abstract The sea contains various microbes which have an ability to reduce and oxidize substances like iron, sulphur, and nitrate. Most of these processes happen in the seawater, but can also be applied for purification of wastewater. In the present work, a consortium of seawater bacteria has been u ...
... Abstract The sea contains various microbes which have an ability to reduce and oxidize substances like iron, sulphur, and nitrate. Most of these processes happen in the seawater, but can also be applied for purification of wastewater. In the present work, a consortium of seawater bacteria has been u ...
PDF
... Salamatina, 1967). The assumptions made mainly concern liver tissue, but their extrapolation at least to tissues with the same type of growth and distribution of mitoses does not pose any important difficulties. To test these ideas nuclear and cytoplasmic fractions of liver homogenates of adult hens ...
... Salamatina, 1967). The assumptions made mainly concern liver tissue, but their extrapolation at least to tissues with the same type of growth and distribution of mitoses does not pose any important difficulties. To test these ideas nuclear and cytoplasmic fractions of liver homogenates of adult hens ...
(HTLV-I) Tax11-19–Specific Memory and Effector CD8+ Cells in Patien
... Collectively, the evidence supports a central role of HTLV-I– specific CD81 T cells in the pathogenesis of HAM/TSP. Recently, HTLV-I Tax peptide–loaded HLA-A2(*0201)/ mouse IgG chimeras (Tax-A2/Ig) were used to demonstrate HTLV-I Tax-specific A2-restricted CD81 cells in peripheral blood lymphocytes ...
... Collectively, the evidence supports a central role of HTLV-I– specific CD81 T cells in the pathogenesis of HAM/TSP. Recently, HTLV-I Tax peptide–loaded HLA-A2(*0201)/ mouse IgG chimeras (Tax-A2/Ig) were used to demonstrate HTLV-I Tax-specific A2-restricted CD81 cells in peripheral blood lymphocytes ...
Electrochemical detection of biological reactions using a novel nano
... on a silicon chip. Each of the electrochemical cells can be monitored simultaneously and independently, and each cell contains three embedded electrodes, which enable performance of all types of electrochemical measurements. The integration of living organisms on an electrochemical array chip that c ...
... on a silicon chip. Each of the electrochemical cells can be monitored simultaneously and independently, and each cell contains three embedded electrodes, which enable performance of all types of electrochemical measurements. The integration of living organisms on an electrochemical array chip that c ...
Mitosis
Mitosis is a part of the cell cycle in which chromosomes in a cell nucleus are separated into two identical sets of chromosomes, each in its own nucleus. In general, mitosis (division of the nucleus) is often followed by cytokinesis, which divides the cytoplasm, organelles and cell membrane into two new cells containing roughly equal shares of these cellular components. Mitosis and cytokinesis together define the mitotic (M) phase of an animal cell cycle—the division of the mother cell into two daughter cells, genetically identical to each other and to their parent cell.The process of mitosis is divided into stages corresponding to the completion of one set of activities and the start of the next. These stages are prophase, prometaphase, metaphase, anaphase, and telophase. During mitosis, the chromosomes, which have already duplicated, condense and attach to fibers that pull one copy of each chromosome to opposite sides of the cell. The result is two genetically identical daughter nuclei. The cell may then divide by cytokinesis to produce two daughter cells. Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication). Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations.Mitosis occurs only in eukaryotic cells and the process varies in different organisms. For example, animals undergo an ""open"" mitosis, where the nuclear envelope breaks down before the chromosomes separate, while fungi undergo a ""closed"" mitosis, where chromosomes divide within an intact cell nucleus. Furthermore, most animal cells undergo a shape change, known as mitotic cell rounding, to adopt a near spherical morphology at the start of mitosis. Prokaryotic cells, which lack a nucleus, divide by a different process called binary fission.