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BIM1 Encodes a Microtubule-binding Protein in Yeast.
BIM1 Encodes a Microtubule-binding Protein in Yeast.

... chromosomes during mitosis, only two other functions clearly have been shown to require intact microtubules: movement of the nucleus to the bud neck just prior to separation of the chromosomes and nuclear fusion (karyogamy) following cellular fusion during mating (Huffaker et al., 1988). Yeast micro ...
Confocal imaging of glial cells in the intact rat optic nerve
Confocal imaging of glial cells in the intact rat optic nerve

... in a single two-dimensional image. 3) Cell images can be rotated through 360" in all planes to provide a new perspective of glial cell structure in the intact tissue. 4) Reconstruction of optical sections, within a narrow focal plane, provides a high definition and resolution of the finer details of ...
Cell Structure Jepordy
Cell Structure Jepordy

... • First hand up gets to select a category. • You then get to answer the questions until you get them wrong. • If you get it wrong the fastest had up will get to answer the question. To take the point. • You have 5 seconds to answer the question. ...
Wang YY, Kuang A, Russell SD, Tian HQ. 2006. In vitro fertilization
Wang YY, Kuang A, Russell SD, Tian HQ. 2006. In vitro fertilization

... other cell containing mostly plastids fused with the egg cell (Russell 1985). Sperm dimorphism and preferential fertilization in P. zeylanica suggested the presence of a recognition mechanism between the two gametes, where each had a preferred female target cell. Although preferential fertilization ...
Endoplasmic reticulum stress-induced programmed cell death in
Endoplasmic reticulum stress-induced programmed cell death in

... sequestration and signaling (Meldolesi and Pozzan, 1998). The high lumenal Ca2+ concentration acts as a pool for releasable Ca2+ during cell signaling (Berridge et al., 2000) and also regulates the functioning of numerous ER lumenal proteins (Brostrom and Brostrom, 1998). The main role of the ER, re ...
Plant Molecular Biology
Plant Molecular Biology

... 1 and 2B). A very low percentage (less than 2%) of structure-less ghosts and cellular debris that are typical for necrotic cell death were also observed after 24 h DEX treatment (data not shown). However, even after 36 or 48 h treatment, the majority of cells belonged to categories x, y and z (Figur ...
Assays for Cell Enumeration, Cell Proliferation and Cell Cycle
Assays for Cell Enumeration, Cell Proliferation and Cell Cycle

... corresponding ribonucleotide (BrUTP, B21551) that has been microinjected into cells is incorporated into RNA of a nucleolar compartment, a process that should also be detectable with fluorescent anti-BrdU conjugates. ABSOLUTE-S SBIP Cell Proliferation Assay Kit Many conventional BrdU-based protocols ...
Diffusion through a Membrane
Diffusion through a Membrane

... Molecules are constantly moving. Diffusion occurs when the molecules of a substance move from high concentrations, where there are more molecules, to low concentrations, where there are fewer molecules. Diffusion occurs because collisions between moving molecules cause them to move further apart. Di ...
Chromosome Organization and Dynamics during Interphase, Mitosis
Chromosome Organization and Dynamics during Interphase, Mitosis

... of chromosome territories was proposed by Carl Rabl in 1885, based on his observation of salamander cell division. Existence of chromosome territories was confirmed in the 1980s in human cells using FISH with chromosome-specific DNA probes (Manuelidis and Borden, 1988). Chromosome territories in pla ...
The Plant Nuclear Envelope - Oxford Brookes University
The Plant Nuclear Envelope - Oxford Brookes University

... (amino acid sensor independent) are also signal transducing proteins that prevent inappropriate expression of amino acid permeases (Zargari et al. 2007). Another well-studied mammalian INM protein is the lamin B receptor (LBR). It has its own multimeric protein complex and apart from a sterol reduct ...
Cell abstracts - Society for Experimental Biology
Cell abstracts - Society for Experimental Biology

... The nucleus is integrated into its mechanical environment at the level of the cell and the tissue in which it resides. Nuclear stiffness correlates with tissue stiffness in part through regulation of lamin A expression. However, it is not clear if the lamin A polymer itself imparts nuclear stiffness ...
DIFFERENCES IN PLOIDY AND DEGREE OF INTERCELLULAR
DIFFERENCES IN PLOIDY AND DEGREE OF INTERCELLULAR

... a suspension in PRL4 with 1 mg/1. NAA is shown in Fig. 2 D and here the chromosome count is distributed about the diploid number although occasional tetraploid mitoses were seen. Thus there was a fundamental difference between the sycamore callus prepared in 1958 and the one isolated in May 1970. A ...
Cell cycle progression in response to oxygen levels | SpringerLink
Cell cycle progression in response to oxygen levels | SpringerLink

... results in the activation of a number of different responses at both the whole organism and the cellular level. These responses include drastic changes in gene expression, which allow the organism (or cell) to cope efficiently with the stresses associated with the hypoxic insult. A major breakthroug ...
signaling events regulating removal of apoptotic cells
signaling events regulating removal of apoptotic cells

... embryogenesis (Zhou et al., 2001b). However, the experiments in which this was observed were conducted at the mid-L1 larval stage, when ced-7 is no longer required for efficient corpse removal; if these corpses had been recently engulfed, CED-1 staining would no longer be observed, which complicates ...
Characterization of embryonic stem cells: A special focus on farm
Characterization of embryonic stem cells: A special focus on farm

... nature i.e. they are able to produce any kind of cells or tissues other than extra embryonic cells. Thus, ES cells are undifferentiated, unspecialized cells that can renew themselves for long periods through cell division and also give rise to one or more specialized cell types with specific functio ...
It`s So Simple: Kingdom Monera (Bacteria)
It`s So Simple: Kingdom Monera (Bacteria)

... 9. On the bottom side of the model, cover the area beneath the body, and then press the paramecium against a sheet of colored paper. You don’t want the cilia glued down. 10. Label the sheet “Paramecium,” and then identify the different parts as shown. You can always add more parts to the model. ...
a morphogenetic role for the TNF signalling pathway
a morphogenetic role for the TNF signalling pathway

... components of the TNF signalling pathway are evolutionarily old suggests that an ancestral cassette from unicellular organisms has diversified its functions into partly overlapping morphogenetic, inflammatory and apoptotic roles in multicellular higher organisms. ...
Mycology is the study of fungi. The disease caused by fungi is called
Mycology is the study of fungi. The disease caused by fungi is called

... • Inhalation, trauma, or ingestion ...
Mycology is the study of fungi
Mycology is the study of fungi

... • Inhalation, trauma, or ingestion ...
Two-dimensional numerical study of flow
Two-dimensional numerical study of flow

... 0009-2509/& 2014 Elsevier Ltd. All rights reserved. ...
Active Transport
Active Transport

... Secondary active transport brings sodium ions, and possibly other compounds, into the cell. As sodium ion concentrations build outside of the plasma membrane because of the action of the primary active transport process, an electrochemical gradient is created. If a channel protein exists and is open ...
Introduction to Mycology.
Introduction to Mycology.

... Inhalation, trauma, or ingestion ...
Loss of Growth Factor Dependence and Conversion of Transforming
Loss of Growth Factor Dependence and Conversion of Transforming

... PDGF, EGF, and TGF-/3i on the growth of metastatic fibrosarcomas in monolayer culture. This is the first demonstration of a correlation between the metastatic properties of cells and a reduced dependence on serum for cell proliferation. This decreased requirement for serum was also reflected in the ...
Cell-to-cell Modelling of the inter-phase between Atrial and
Cell-to-cell Modelling of the inter-phase between Atrial and

... bioRxiv preprint first posted online Oct. 21, 2016; doi: http://dx.doi.org/10.1101/082529. The copyright holder for this preprint (which was not peer-reviewed) is the author/funder. It is made available under a CC-BY-NC-ND 4.0 International license. ...
Formins: Linking Cytoskeleton and Endomembranes in Plant Cells
Formins: Linking Cytoskeleton and Endomembranes in Plant Cells

... especially among proteins that can associate with membranes on one hand and bind to microfilaments, microtubules, or even both cytoskeletal systems, on the other. Formins, or FH2 proteins, are an example of such a protein family. In this review we summarize the observations from both opisthokont (fu ...
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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.
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