• We determined the mitotic chromosome number and species origin of chromosomes for eight breeding lines, and estimated their relatedness and population structure using AFLPs. (usda.gov)
  • EML4 and NUDC proteins are required for mitotic spindle formation, attachment of spindle microtubule ends to kinetochores, and alignment of mitotic chromosome at the metaphase plate. (reactome.org)
  • Although the component species have certain spike characteristics in common, they differ widely in biologically important aspects such as mode of reproduction, chromosome constitution and ecological adaptation (Dewey, 1983). (scialert.net)
  • Home / Teams / Chromatin Dynamics in Mitotic Chromosome Assembly - P. Bernard / Publications / A genetic screen for functional partners of condensin in fission yeast. (ens-lyon.fr)
  • Mitotic chromosome condensation is a prerequisite for the accurate segregation of chromosomes during cell division, and the conserved condensin complex a central player of this process. (ens-lyon.fr)
  • To gaininsight into the mechanisms of condensin binding and mitotic chromosome condensation, we searched for factors that collaborate with condensin through a synthetic lethal genetic screen in the fission yeast Schizosaccharomyces pombe. (ens-lyon.fr)
  • We isolated novel mutations affecting condensin, as well as mutations in four genes not previously implicated in mitotic chromosome condensation in fission yeast. (ens-lyon.fr)
  • This study was aimed to observe the mitotic phases and chromosome structures of I. suffruticosa. (ptti.or.id)
  • Finally in the studded cells of four species 28-33 chromosomes were exist (the various forms of aneuploid cells). (scialert.net)
  • One to three B chromosomes and chromosomes with satellites also observed in these species. (scialert.net)
  • Mc Coy and Law (1968) and Assadi (1995) also reported that the various forms of Aneuploids, chromosomes with satellites and B chromosomes were found in Agropyron species. (scialert.net)
  • 1999) reported that the small differences in DNA content within Agropyron species may be due to the presence or absence of B chromosomes and satellites. (scialert.net)
  • This study was performed to identifying of polyploidy levels, differences of studded species in cytogenetically characters such as present or absence of satellites and B chromosomes in four Agropyron species in Iran using Aghayev method. (scialert.net)
  • Somatic chromosomes of two species in the genus Euhadra were observed using the air-drying methods supplying abundance of mitotic cells. (go.jp)
  • Although hybrids of these two species inherit three chromosomes from each parent, the majority of spores (the yeast equivalent of sperm) that these hybrids produce fail to develop into new yeast cells. (elifesciences.org)
  • However, how condensin binds chromatin and shapes mitotic chromosomes remain poorly understood. (ens-lyon.fr)
  • Mitotic phases and chromosomes' structures were observed using root tips prepared with the squash method. (ptti.or.id)
  • The species has some diploid chromosomes (2n = 16). (ptti.or.id)
  • Elevated levels of reactive oxygen species as well as impaired homologous recombination repair underlie this DNA damage. (bepress.com)
  • QA-induced neuritogenesis coincided with an increase in the generation of reactive oxygen species. (nih.gov)
  • Neuritogenesis was prevented by diphenylene-iodonium (an inhibitor of NADPH oxidase) and superoxide dismutase, supporting the involvement of reactive oxygen species. (nih.gov)
  • Traditionally the perspective on reactive oxygen species (ROS) has centered on the role they play as carcinogenic or cancer-causing radicals. (degruyter.com)
  • Asbestos fibers in lung and other tissue are also believed to cause the formation and release of reactive oxygen species (ROS). (cdc.gov)
  • This "frustrated phagocytosis" can generate reactive oxygen species (ROS): hydrogen peroxide (H 2 0 2 ), and the super oxide radical anion (O 2- ) [Kamp and Weitzman 1999, 1997]. (cdc.gov)
  • Decreased expression of six RNA species was seen at various time points in all cell strains analyzed, these were: plasminogen activator (PLAT), centromere protein F (CPF), replication factor C (RFC3), thymidylate synthetase (TYMS), a putative mitotic checkpoint kinase (BUB1) and a gene of unknown function (GenBank accession number AI859865). (cdc.gov)
  • It also directly binds to BubR1, a kinetochore-associated kinase implicated in the mitotic checkpoint, the major cell cycle control pathway in which unattached kinetochores prevent anaphase onset. (rupress.org)
  • Thus, CENP-E is required for enhancing recruitment of its binding partner BubR1 to each unattached kinetochore and for stimulating BubR1 kinase activity, implicating it as an essential amplifier of a basal mitotic checkpoint signal. (rupress.org)
  • Differentiating spermatogonia in mice undergo five mitotic divisions before converting to preleptotene spermatocytes. (jci.org)
  • Once taken up by mosquito, male gametocytes undergo three mitotic cycles within few minutes to produce eight motile gametes. (gla.ac.uk)
  • Cancer A clonal growth (cells all descended from one ancestral cell) that undergo continuing mitotic divisions and are not inhibited in their growth when they come in contact with neighboring cells (contact inhibition). (agemed.org)
  • 2019) by serine/threonine kinases NEK6 and NEK7, leading to its dissociation from microtubules, which is necessary for the assembly of a dynamic mitotic spindle (Adib et al. (reactome.org)
  • 2019). EML4, through its WD40 repeats, interacts with NUDC and recruits it to the kinetochores of the mitotic spindle (Chen et al. (reactome.org)
  • Occupational exposure limits with proteins such as topoisomerase inhibitors, and mitotic and meiotic spindle poisons. (cdc.gov)
  • It is highly specific and shows no cross-reaction with other related mitotic inhibitors. (neobiotechnologies.com)
  • Here we identify causes underlying hybrid infertility of two recently diverged fission yeast species Schizosaccharomyces pombe and S. kambucha , which mate to form viable hybrid diploids that efficiently complete meiosis, but generate few viable gametes. (elifesciences.org)
  • have now looked at two species of fission yeast- S. pombe and S. kambucha -that share 99.5% of their DNA sequence. (elifesciences.org)
  • Pieces of DNA may enter through these temporary pores, and sometimes protoplasts will be transformed as the new DNA is stably incorporated (i.e., able to be transmitted in mitotic cell divisions). (jrank.org)
  • Therefore, the apparent chromosomal plasticity of this species, likely to represent a complex of cryptic forms, is corroborated. (scielo.br)
  • Three ploidy levels-diploid (2n = 14) autotetraploid (2n = 28) and autohexaploid (2n = 42)- occur in these species, with tetraploids accounting for about 90% of the natural populations (Dewey, 1969). (scialert.net)
  • Chromatin looping is important for gene regulation, and studies of 3D chromatin structure across species and cell types have improved our understanding of the principles governing chromatin looping. (nature.com)
  • Here we analysed, in two Plasmodium species, the expression of SET, a conserved nuclear protein involved in chromatin dynamics. (gla.ac.uk)
  • The mitotic stingaree (Urolophus mitosis) or blotched stingaree, is a little-known species of stingray in the family Urolophidae, so named because it has light blue blotches on its back that resemble cells undergoing mitotic division. (wikipedia.org)
  • These variable loops contribute significantly to corresponding gene expression variability across cells and species, possibly by refining sub-TAD-scale loop contacts responsible for cell-type-specific enhancer-promoter interactions. (nature.com)
  • Cells with even one mutant copy of RB1 have increased basal levels of DNA damage and increased mitotic errors. (bepress.com)
  • Expression of the neuronal proliferation marker doublecortin revealed that, unlike RA, QA did not decrease the number of mitotic cells. (nih.gov)
  • In addition, quantification of objects in tissue sections, i.e. mitotic cells or immunohistochemically positive cells, are analyzed more objectively using automated image analysis algorithms. (fu-berlin.de)
  • Klopfleisch, R. Classification of Mitotic Cells Potentials: beyond the Limits of Small Data Sets. (fu-berlin.de)
  • Indeed, there is continuous replication of mtDNA in all tissues, allowing variations in heteroplasmy to even develop between post-mitotic cells. (biorxiv.org)
  • In most mammals, such as rodents, neurons in the central nervous system, are post-mitotic cells meaning they are no longer able to divide or regenerate after birth. (epfl.ch)
  • Samples were sent to two independent external laboratories, both of whom reached a similar diagnosis: lymphoma relating to a lymphoid infiltration of affected organs with occasional mitotic cells. (tortoisetrust.org)
  • Mitotic segregation of mitochondria may result in asymmetric proportions of heteroplasmic allelic variants in descendant cellular lineages [ 5 ]. (biorxiv.org)
  • Although there is evidence of selectivity [ 7 ], it is generally assumed that mitotic segregation and genetic drift are largely stochastic processes and therefore lead to random variation in mtDNA heteroplasmy and mosaicism within individuals [ 4 ]. (biorxiv.org)
  • The species is highly supported in a phylogenetic tree based on the 28S rDNA gene. (researchgate.net)
  • Chan Y-S, Huen DS, Glauert R, Whiteway E, Russell S (2013) Optimising Homing Endonuclease Gene Drive Performance in a Semi-Refractory Species: The Drosophila melanogaster Experience. (plos.org)
  • Our genetic analyses of these two species yielded contrasting results: a spatial analysis of molecular variance (SAMOVA) and F ST between each pair of populations revealed a locally fragmented genetic structure for Y. multistriata , compared to three distinct geographic groups of Y. argus within which range-wide gene flow occurs. (bioone.org)
  • The ARR gene cluster, which contains genes involved in arsenic detoxification, for instance, exhibits copy-number variation in both yeast species. (genomeweb.com)
  • They noted a strong association with the copy number of the gene cluster and mitotic growth and efficiency, and while they found that the rate at which the yeast could expel arsenic increases with each copy, the energy cost was constant. (genomeweb.com)
  • In S. paradoxus , the ARR gene cluster copy number followed the population structure of the species with all the European strains containing two copies, the North American strain containing one, and the East Asian strains lacking the cluster. (genomeweb.com)
  • 2019). At mitotic entry, EML4 undergoes phosphorylation (Pollmann et al. (reactome.org)
  • 2007. Cryptic species as a window on diversity and conservation. (scielo.br)
  • 2003. Recent speciation in the Indo-West Pacific: Rapid evolution of gamete recognition and sperm morphology in cryptic species of sea urchin. (scielo.br)
  • In multiple species, certain tissue types are prone to acquiring greater loads of mitochondrial genome (mtDNA) mutations relative to others, however the mechanisms that drive these heteroplasmy differences are unknown. (biorxiv.org)
  • Understanding the dynamics of regeneration in different species and visualization of the phenomena after injury and during regeneration is vital to understand the differences in the mechanisms of regeneration and growth cone formation. (epfl.ch)
  • Hybrid sterility is one of the earliest postzygotic isolating mechanisms to evolve between two recently diverged species. (elifesciences.org)
  • Since the evolutionary forces driving genetic changes that cause infertility between species are likely also acting within species, the study of hybrid sterility also promises significant insight into mechanisms underlying infertility within species. (elifesciences.org)
  • In the present work, morphometric and cytogenetic analyses were carried out in populations of the fish Astyanax fasciatus (Characidae) from Contas and Recôncavo Sul River basins (State of Bahia, Brazil), providing new data on the genetic structure of this species along the region. (scielo.br)
  • Our study, together with and sylvatic populations), as well as their domestication previous historical and genetic data, suggests that T. infes- and spreading capabilities, are essential tools for effective tans was originally a sylvatic species, with large quantities vector control (2). (cdc.gov)
  • Centromere-associated protein-E (CENP-E) is an essential mitotic kinesin that is required for efficient, stable microtubule capture at kinetochores. (rupress.org)
  • Since these two yeast species are so closely related, the findings of Zanders et al. (elifesciences.org)
  • Traditionally, Agropyron has been the largest genus in the Triticeae tribe containing more than 100 species worldwide (Sakamoto, 1964). (scialert.net)
  • into three genera- Agropyron , Roegneria and Elytrigia -with each genus containing a relatively homogeneous group of species. (scialert.net)
  • This genus consists of 10 to 13 species and same number of subspecies. (scialert.net)
  • This MAb recognizes a 27kDa protein, identified as the p27Kip1, a cell cycle regulatory mitotic inhibitor. (neobiotechnologies.com)
  • Specific foci of our current focus is on the automatic detection of mitotic figures in tumor tissues for a more objective tumor grading, the development automatic tumor detection and differentiation software and the automatic preselection of tissue areas affected by toxicologic effects of newly developed drugs in HE-stained slides. (fu-berlin.de)
  • Learning New Tricks from Old Dogs -- Inter-Species, Inter-Tissue Domain Adaptation for Mitotic Figure Assessment. (fu-berlin.de)
  • Bertram CA, Aubreville M, Gurtner C, Kershaw O, Meier A, …., Kiupel M, Maier A, Klopfleisch R. Computerized Calculation of Mitotic Count Distribution in Canine Cutaneous Mast Cell Tumor Sections: Mitotic Count is Area-Dependent. (fu-berlin.de)
  • Bertram CA, Aubreville M, Marzahl C, Maier A, Klopfleisch R. A large-scale dataset for mitotic figure assessment on whole slide images of canine cutaneous mast cell tumor. (fu-berlin.de)
  • Aubreville M, Bertram CA, Klopfleisch R, Maier A. Augmented Mitotic Cell Count using Field Of Interest Proposal. (fu-berlin.de)
  • Evidence in several species, however, suggests that differences in heteroplasmy between certain cell types is not random and may instead be deterministic. (biorxiv.org)
  • The goal of this work was to use cytogenetic and molecular methods to determine the species delimitations and understand the karyoevolution of S . marmoratus using samples collected from distinct Brazilian localities. (scielo.br)
  • Chimeric receptors between human and zebrafish OGR1s showed that the amino acid residues that determine the species specificity of ogerin-induced enhancement reside in the transmembrane and/or intracellular regions of OGR1. (bioone.org)
  • The mitotic stingaree occurs within the management area of the North West Slope Trawl Fishery, but little actual fishing occurs within its range and this is unlikely to change in the future. (wikipedia.org)
  • Anemonia viridis Forskål (Cnidaria: Anthozoa), the temperate Mediterranean species chosen for this study, occurs naturally at high densities throughout Levante Bay and harbors the dinoflagellate Symbiodinium muscatinei LaJeunesse and Trench (Dinomastigota: Dinophyceae) 12 . (nature.com)
  • The Washington State University perennial wheat breeding program has created several hundred interspecific progeny by crossing several different cultivars of winter wheat (Triticum aestivum L.) with Thinopyrum species and ×Agrotriticum spp. (usda.gov)
  • Today, there are literally thousands of different cultivated varieties (cultivars) of individual species of crop plants. (jrank.org)
  • These were kept in individual species groups, isolated from each other and the main affected group. (tortoisetrust.org)
  • Since Rcd-1 is a regulator of differentiation in other species, it suggests that Rcd-1r may serve a similar role during spermatogonial differentiation in Drosophila . (plos.org)
  • The researchers sequenced 42 strains of S. cerevisiae and S. paradoxus , including at least one strain representing the different major phylogenetic lineages of the species and a number of mosaic species, to between 10x and 60x coverage using the Illumina GAII and HiSeq platforms. (genomeweb.com)
  • The fish species Synbranchus marmoratus has been reported to exist as a species complex due to high intraspecific karyotypic variability in spite of the difficulty or impossibility to distinguish them using morphological traits alone. (scielo.br)
  • New species are created via a process called speciation, and nature employs various 'barriers' to keep closely related species distinct from one another. (elifesciences.org)
  • Aging is a physical process that doesn't normally reveal itself until after the completion of a species-specific interval of reproductive competence during which adults rear their progeny from childhood to independence (See Life History ). (agemed.org)
  • The related concept of Longevity Determination , however, is the result of a species-specific genomic expression during early development that positions the somatic tissues of an organism to survive long after its reproductive period has been completed. (agemed.org)
  • Moreover, we show that ΔmtDNA heteroplasmy increases when proteotoxic species that are associated with neurodegenerative disease and mitophagy inhibition are overexpressed in the nervous system. (biorxiv.org)
  • Liti and his colleagues sequenced more than 40 strains of S. cerevisiae and S. paradoxus to examine the genomic variation between and within those species and strains. (genomeweb.com)
  • In both species, the researchers noted, there is a correlation between SNP distance between the strains and genome content variation, but that link is weaker in S. cerevisiae than in S. paradoxus . (genomeweb.com)
  • These results imply that largely similar evolutionary forces are shaping the landscapes of copy number variation in these two species," Liti and his colleagues wrote. (genomeweb.com)
  • Some of these herbicides exhibit a tendency to accumulate in higher pH soils, and their repeated use may damage or kill some woody species. (msucares.com)
  • The International Union for Conservation of Nature (IUCN) has listed the mitotic stingaree under Least Concern, as there is little fishing within its range. (wikipedia.org)
  • The former species is classified as a vulnerable species and exhibits a characteristic pattern of voltinism: univoltine and bivoltine populations are distributed in a scattered manner. (bioone.org)
  • Guava root-knot nematode ( Meloidogyne enterolobii ) is a highly pathogenic and invasive nematode species. (qld.gov.au)
  • Recent genome-wide binding studies showingthat in most species condensin is enriched near highly expressed genes suggest aconserved link between condensin occupancy and high transcription rates. (ens-lyon.fr)
  • The most similar species R. kunzei differs by subtler, more sparsely branched basidiomata, lower spore ornamentation, smaller Q value and shorter basidia. (researchgate.net)
  • Symbiodinium density was similar among sites yet their mitotic index increased in anemones under elevated p CO 2 . (nature.com)
  • The appearance of guava root-knot nematode is very similar to other species of root-knot nematode. (qld.gov.au)
  • First, nodes of 11 different bamboo species that belong to seven major bamboo genera ( Bambusa , Dendrocalamus , Phyllostachys , Tetragonocalamus , Chimonobambusa , Pleioblastus , and Sasa ) were cultured using 2 mL per well of a liquid medium in a 6-well microplate to form a small-scale liquid culture environment (SLCE). (scirp.org)
  • Agropyron in its bread traditional sense contains almost all of the perennial species of the tribe with single spikelets per node. (scialert.net)
  • This method has proven valuable for maize, rice, and sugar cane, species that are outside the host range for vector transfer by Agrobacterium . (jrank.org)
  • We analyzed the main karyologic changes that have geographic expansion may contribute to understanding the occurred during the dispersal of Triatoma infestans , the basic process by which some species of Triatominae main vector of Chagas disease. (cdc.gov)
  • This result highlights the importance of first verifying the effectiveness of ogerin to the OGR1 of the species of interest at the cellular level prior to analyzing the physiological and pathophysiological roles of OGR1 in the species. (bioone.org)
  • Karyological Study of Four Species of Wheat Grass (Agropyron sp. (scialert.net)
  • Karyological study of four Agropyron species ( A. desertorum , A. cristatum , A. pectinoforum and A. imbricatum ) showed that these species were tetraploid (2n = 4x = 28) with the base number, x = 7. (scialert.net)
  • In this study four Agropyron species- A. desertorum , A. cristatum , A. pectinoforum and A. imbricatum Karyologicaly were assayed in Ardebil Unversity in 2006. (scialert.net)
  • In the present study, we found that ogerin differentially enhances the activation of OGR1 in various animal species. (bioone.org)
  • Species can be input after the keyword, using format "keyword [species:$species]" where $species can be name of species (like human or rat) or taxon id (like 9606). (genscript.com)
  • Always be aware of label cautions regarding soil pH, texture, and other factors that may be a concern when susceptible woody species are present. (msucares.com)
  • Lymphoma was present in both leopard and Testudo hermanni tortoises, indicating that the causative agent had crossed a species barrier. (tortoisetrust.org)
  • The mitotic stingaree has only been reported from a small area north of Port Hedland in Western Australia, where it is fairly common. (wikipedia.org)
  • The latter species is common and has a normal geographical pattern of voltinism: the number of annual generations is correlated with latitude. (bioone.org)
  • It is widely thought that all of the billions of species on Earth are descended from a common ancestor. (elifesciences.org)
  • While products mentioned in the preceding paragraph are useful in pre-emergent control of annual grasses and weeds, some can also be used for post-emergent application (after foliage emerges) around woody species, as well. (msucares.com)
  • The species is described in detail and figures showing its macro- and microcharacters are provided including SEM photographs of spores. (researchgate.net)
  • The dormant and active lateral buds were sectioned longitudinally and stained with Sytox green (SG) to monitor mitotic activity and counterstained with safranin (SF) to detect the inward region of the SAM region. (scirp.org)
  • Like other root-knot nematode species, guava root-knot nematode induces galls on the roots of infected plants. (qld.gov.au)
  • Guava root-knot nematode is very damaging due to its ability to develop and reproduce on crops that are resistant to other species of Meloidogyne . (qld.gov.au)
  • It also has a higher infection rate and induces more severe root galling than other species of root-knot nematode. (qld.gov.au)
  • Seeds from each species were germinated in 25°C to preparing root tips. (scialert.net)
  • When applied correctly, woody species have very little root uptake of these herbicides. (msucares.com)
  • The mitotic stingaree was described by Peter Last and Martin Gomon in a 1987 issue of Memoirs of the National Museum of Victoria, in which they gave it the specific epithet mitosis (derived from the Greek mitos, meaning "thread") in reference to its unique color pattern. (wikipedia.org)