How To Use Mitotic In A Sentence
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Overlaid onto these signals that promote orchestrated cell division are checkpoints that ensure appropriate mitotic spindle formation, a lack of DNA damage, kinetochore attachment, and that each daughter cell has the appropriate complement of DNA.
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Only mononuclear protoplasts were capable of complete cell wall regeneration and mitotic division.
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The arrow points to a mitotic figure cleaving off a narrow cell from a semi-regular hexagon cell.
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Kernel growth is supported by cell production through mitotic cell divisions.
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Giant cells were admixed with osteoid tissue or with mitotically active mononuclear cells.
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It is most likely that the nonmosaic tetraploidy of the neonate was caused by a cytoplasmic cleavage failure at the first mitotic division.
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Mitotic spindles in the quadrant founder cells are skewed clockwise, preparatory to dexiotropic division.
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The structures of rearrangements were defined by mitotic chromosome staining as well as by genetic and polytene chromosome analysis.
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Results: The obvious amitotic phases and cellular senescent characteristics were observed in adult goat ventricular muscle cells including working and conducting cardiac muscle cells.
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The phialides produce chains of uninucleate conidia after repeated mitotic division and cytokinesis.
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During pachytene, the chromosomes are less condensed and much longer than in mitotic metaphases.
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Metaphase spindles with replicated mitotic chromosomes were assembled in meiotic Xenopus egg extracts as described.
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For immunolabeling, third instar mitotic squashes were prepared and hybridized as described.
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In several studies, mismatches resulting in as little as 1% heterology were sufficient to significantly reduce mitotic recombination.
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Bizarre cells, nuclear pleomorphism, and mitotic figures were easily found.
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Subsequently, one of the two mating-type alleles was lost during mitotic or meiotic divisions.
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This is most likely to be a problem for mutants with a mitotic phenotype.
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Instead, they maintain a mitotic proliferative state.
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Radiation inhibits mitotic activity in the germinal cells of the epidermis, hair follicles, and sebaceous glands.
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Moreover, tetraploid cells do not bud or show abnormal mitotic spindles when placed in water.
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Tight acini creates a near - solid appearance. There is no cytologic atypia. Mitotic figures are rare.
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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The series of mitotic cell divisions that produces a blastula from a fertilized ovum. It is the basis of the multicellularity of complex organisms.
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Staining was quantitated and correlated with histologic subtype and mitotic index.
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As for the percentage of mitotic chondrocyte, there was no significant difference between control goggled eyes and treated goggled eyes.
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Staining was quantitated and correlated with histologic subtype and mitotic index.
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In the case of developing eggs, the diploid oogonia continue to divide mitotically for a short time in the ovary.
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Besides amitosis, cold-pretreatment also induced some abnormal mitotic behavior leading to the formation of micronuclei.
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A critical step in the cell cycle is the proper attachment of chromosomes to the mitotic spindle during metaphase.
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The transparent, 100-m-diameter oocyte is fertilized and undergoes rapid mitotic cleavage cycles.
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At the same time, coumarininduces the abnormal mitotic of root tip cell, including chromosome bridge, fragment, binucleate cell, lagging chromosome and so on.
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In nature, clones are derived from a single parental organism or cell by mitotic cell division, asexual reproduction, or parthenogenesis.
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This view is consistent with the general findings that mitotic recombination events, contrary to meiotic events, are mainly unassociated with crossing over.
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Excess nickel has a negative effect on plasma membrane polarization, ion uptake and translocation, cell mitotic activity, and carbon partitioning in roots.
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Both mitotic and meiotic spindle microtubules are stabilized and organized into a bipolar shape by a number of accessory proteins, called microtubule motors and MAPs (for "Microtubule-Associated Proteins")
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The haploid myxamoebae act as isogametes; individuals of different mating types pair and fuse to form diploid zygotes that develop into macroscopic, diploid plasmodia after repeated mitotic cycles without cell division.
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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Because mitotic figures do not occur in adult liver, the binucleate cells are usually assumed to be the result of amitosis, which implies splitting of the nucleus by constriction without the formation of a visible spindle and distinguishable chromosomes.
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Contrast to these antimitotic drugs, taxol, the first compound known to interact exclusively with a polymer form of tubulin, works through bind tightly to microtubules and stabilize them.
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LR1, and that the progress of epiboly over the next three or four hours coincides with mitotic quiescence of the ectoblast.
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A primary spermatogonium surrounded by a pair of cyst cells undergoes four mitotic divisions, forming a cyst of 16 primary spermatocytes.
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Interphase - Between mitotic divisions, a normal resting or actively growing cell exists in a state known as interphase, in which the chromatin forms a highly diffuse, fibrous network that is being continuously transcribed by enzymes within the nucleus (Figure 1 (a)).
Undefined
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Comparison of camptothecin derivatives presently in clinical trials: genotoxic potency and mitotic recombination
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This process is called mitotic slippage and yields tetraploid 4N cells.
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The spindle cells showed moderate nuclear pleomorphism and scattered mitotic figures.
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This resulted in the identification of two ubiquitin-protein ligase complexes: the cyclosome, now also called anaphase-promoting complex or APC / C, involved in the degradation of mitotic cyclins and some other cell cycle regulatory proteins in exit from mitosis
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Biogenesis becomes reproduction; re - production becomes cellular; cell division becomes mitotic; chromosomes split longitudinally, or put more accurately, they replicate themselves, since each new chromosome is no half-chromosome but a chromosome entire; and finally, the substituent elements of the chromosomes, whether visible chromatids or invisible genes, are held likewise to replicate themselves.
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Radiobiologists often distinguish between radiation-induced cell death with regard to the ability to enter mitosis, i.e. interphase or mitotic cell death.
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LR1, and that the progress of epiboly over the next three or four hours coincides with mitotic quiescence of the ectoblast.
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After downshift to 20°, 100% of the nuclei underwent mitotic division and then arrested with aberrantly shaped nuclei.
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The microtubules tie the chromosomes to the mitotic spindle during cell division.
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There a somatic genetic principle was established whereby mitotic chromosome replication produces sister chromatids that are different from one another.
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In addition, we can detect mosaicism as low as 5 to 20% (varying with the meiotic or mitotic origin of the mosaicism).
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In rare cases , mild nuclear pleomorphism, prominent nucleoli and mitotic figures may be seen.
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Micronuclei are acentric chromosome fragments or whole chromosomes that are left behind during mitotic cellular division and appear in the cytoplasm of interphasic cells as small additional nuclei.
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Inside of this zone, undifferentiated xylem cells without secondary walls proliferated through mitotic activity.
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In all specimens, mitotic index was quantitated by counting the number of mitoses per twenty 100X oil immersion fields in areas of highest mitotic activity.
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The most distal cells undergo mitotic proliferation and serve as a stem-cell population.
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Giant cell, fourth mitotic division showing replicated mirror image dicentric chromosomes and acentric fragments (arrows).
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The lining cells showed no significant nuclear pleomorphism or mitotic activity.
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An obvious question is whether the mat bias is absent in azygotic meiosis after homologous chromosomes have coexisted in diploid cells for many mitotic divisions.
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After meiosis, the four meiotic products undergo an additional mitotic division to yield eight haploid nuclei, which differentiate into an octad of eight ascospores.
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Each haploid cell undergoes a mitotic division to produce the generative and vegetative nuclei.
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Cytogenetic studies of mitotic and polytene chromosomes, allozyme data, and crossing studies indicate that An. dirus A and C are very closely related.
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Spermatogonia are the mitotic germ cells of the testis from which sperm arise by spermatogenesis.
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Mitotic indices were determined by recording mitotic figures (except prophases) separately in the central and peripheral zones as well as in the rib meristem of the SAM.
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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After 10 mitotic divisions, the tip of the hypha bends to form a crozier into which migrates one nucleus of each mating type.
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Several histologic findings, including increased number and size of cells, greater nuclear pleomorphism, and increased mitotic activity, suggest a well-differentiated fibrosarcoma.
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The microtubules tie the chromosomes to the mitotic spindle during cell division.
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In contrast, the 12 essential genes known to exist within the mitotic heterochromatin of chromosome 3 have remained only imprecisely mapped.
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Mitotic inhibitors were used on seed or meristem material to produce tetraploid plants or sectors of plants of selected clones of amur maple, Norway maple, mimosa, trumpet vine, tutsan St. Johnswort, goldenraintree, privet, callery pear, and lacebark elm.
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Mitotic figures are variably present, and tumor aggregates may extend into the reticular dermis or even subcutaneous fat.
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McLoughlin M, McKeon F (1993) Human wee1 maintains mitotic timing by protecting the nucleus from cytoplasmically activated Cdc2 kinase.
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The onset of epiboly coincides with a period of mitotic quiescence throughout the ectoderm.
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Microscopically, large neoplastic lymphoid cells with prominent nucleoli and frequent mitotic figures occlude small vessel lumina.
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The microtubules tie the chromosomes to the mitotic spindle during cell division.
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Further, interphase nuclei appeared disintegrated and some mitotic figures were clumped together.
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Mutants have multipolar spindles in male meiosis and irregular mitotic figures in the larval neuroblasts, which is the result of aberrant behavior of the mitotic spindle during embryonic cleavage.
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High rates of structural instability have in fact been reported for palindromic transgenes in mice, where mitotic mosaicism and rearranged versions of the transgene have been detected in the progeny.
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In mammals, germ cells undergo a small number of proliferative mitotic cell divisions as they migrate to the gonad.
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SHIP deficient MK precursors preserve endomitotic function.
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The combined measurement of both allelic ratios and normalized intensities provides enhanced detectability of aberrations and allows identification of copy-neutral genetic anomalies, such as uniparental disomy and mitotic recombination.
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The rupture occurred, in the first instance, at a meiotic anaphase in each parent, and the ruptured end then underwent the succession of mitotic anaphase breaks associated with the chromatid type of breakage-fusion-bridge cycle during the development of the male and female gametophytes -- the pollen grain and the embryo sac.
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Radioiodine can cause significant apoptosis and mitotic cell death in the thyroid tissue.
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Roots of this length have not initiated physiological death processes, and include a mass of mitotic cells.
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The problem is greatest at mitotic metaphase, when chromosomes are shortest and neighboring signals are thus closest.
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Bone marrow cells exhibited chromosome aberrations, aneuploidy, and changes in the mitotic index.