• Polyploidy is a condition in which the cells of an organism have more than one pair of (homologous) chromosomes. (wikipedia.org)
  • Polyploidy may occur due to abnormal cell division, either during mitosis, or more commonly from the failure of chromosomes to separate during meiosis or from the fertilization of an egg by more than one sperm. (wikipedia.org)
  • Through the process of polyploidy, the total number of chromosomes can double, or a single chromosome can duplicate itself. (howstuffworks.com)
  • In the present work, polyploidy was induced in the diploid banana varieties 'Malbut', 'Gold', 'Lidi', and 'Thong Dok Mak' through the use of colchicine and oryzalin, and that condition was identified through stomatal analysis, flow cytometry, and chromosome counts. (ufla.br)
  • There's also been the suggestion that polyploid Aspen tree/clones grow bigger trunks and leaves than standard diploid Aspen, (See this post for explanation of polyploidy in plants. (blogspot.com)
  • Studies on chromorsome and polyploidy induction method of Lily L/A hybrid "Fangio"[J]. Bulletin of Botanical Research, 2006, 26(6): 699-702. (nefu.edu.cn)
  • Here, we have extended these studies to the staurosporine analogs K252a, lestaurtinib, PKC412, stauprimide, and UCN-01 and analyzed their influence on process extension, cell cycle distribution, and induction of polyploidy in four SCLC cell lines. (uni-luebeck.de)
  • Fluorescence-activated cell sorting (FACS) and fluorescence in situ hybridization (FISH) analysis indicated the induction of polyploidy in all staurosporine and in two out of four stauprimide-treated SCLC cell lines. (uni-luebeck.de)
  • Why is polyploidy lethal for some organisms while for others is not? (stackexchange.com)
  • Polyploidy could be an important force shaping the current evolutionary trajectory of the plants and insects in this system. (byu.edu)
  • Through dense phylogenomic sampling, we show the propensity of polyploidy throughout the evolutionary history of Caryophyllales. (umn.edu)
  • Although polyploidy can alter host plants in important ways (e.g., size, phenology, resource use, and ecological range), little is known about the effects of polyploidy-associated changes on plant-insect interactions. (byu.edu)
  • This paper is part of the Annals of Botany Special Issue on Polyploidy in Ecology and Evolution . (botany.one)
  • Polyploidy is especially common in plants. (wikipedia.org)
  • In 1925 HJ Muller addressed this question in a famous paper, "Why polyploidy is rarer in animals than in plants" (Muller, 1925). (stackexchange.com)
  • Muller briefly described the phenomenon that polyploidy was frequently observed in plants, but rarely in animals. (stackexchange.com)
  • For other staurosporine analogs, polyploidy was observed only in UCN-01-treated GLC-36 cells and in K252a-treated H1184 and GLC-36 cells. (uni-luebeck.de)
  • Cropload affects the size, but not the number or polyploidy of cells in sweet cherry fruit. (oregonstate.edu)
  • Polyploidy events shaped the expansion of transcription factors in Cu" by Yu Zhang, Yingchao Zhang et al. (unl.edu)
  • Studies of the macroevolutionary legacy of polyploidy are limited by an incomplete sampling of these events across the tree of life. (umn.edu)
  • We mapped the phylogenetic distribution of polyploidy events by both tree-based and distance-based methods, and explicitly tested scenarios for allopolyploidy. (umn.edu)
  • We identified 26 ancient and more recent polyploidy events distributed throughout Caryophyllales. (umn.edu)
  • Picks in the Fabric of a Polyploidy Complex: Integrative Species Delimitation in the Tetraploid Leucanthemum Mill. (uni-regensburg.de)
  • Distribution of polyploidy along a relatively steep Andean elevation gradient is studied using the genus Fosterella (Bromeliaceae) as a model system. (botany.one)
  • The role of polyploidy in facilitating plant invasions. (sun.ac.za)
  • In 1925 there was comparatively little systematic study of life, so we really didn't know what proportion of plant or animal taxa showed polyploidy. (stackexchange.com)
  • The allotetraploids are genetically stable and tractable, which provides an excellent model system for mechanistic studies on polyploidy and hybrid vigor. (utexas.edu)
  • I was thrilled to be invited by the editors of New Phytologist to write a commentary about a recent paper on polyploidy in Malpighiales by Liming Cai and colleagues. (sessalab.org)
  • Further details of polyploidy - including its role in speciation - are available on a separate page. (biology-pages.info)
  • Chen ZJ: Molecular mechanisms of polyploidy and hybrid vigor. (utexas.edu)
  • The polyploidy attribute in plants is deemed a excellent assistance in stopping the unsafe genes. (beanews.net)
  • Polyploidy only improves this impact in crops and even secures the new plant breed, as it has the ability to develop numerous copies of the advantageous genes. (beanews.net)
  • Polyploidy leads to incorrect genes (paralogs) being analyzed, since it is often impossible to distinguish between gene copies generated as a result of polyploidization. (alaska.edu)
  • Based on functional enrichment analyses, up-regulated polyploidy genes appeared to implicate several functions, which primarily include cell/nuclear division, ATP binding, metabolic process, and mitochondrial activity, whereas that of down-regulated genes primarily included apoptosis and immune processes. (plos.org)
  • Further analyses of genes that are related to mitochondria and bi-nucleation showed differential and regional expression within the decidual bed, consistent with the pattern of polyploidy. (plos.org)
  • The mosaic composition of glitch art provided the author with a comparable visual reference to the mosaicism found in plant genomes that emerged from multiple rounds of polyploidy (genome doubling) events throughout the history of many plant species. (noemalab.eu)
  • All angiosperms are current polyploid or have experienced at least one round and usually several rounds of polyploidy during their evolution. (europa.eu)
  • There's also been the suggestion that polyploid Aspen tree/clones grow bigger trunks and leaves than standard diploid Aspen, (See this post for explanation of polyploidy in plants. (blogspot.com)
  • In the present study, to better define the aspects of decidual cell polyploidy, we isolated pure polyploid and non-polyploid decidual cell populations from the in vivo decidual bed. (plos.org)
  • Although polyploidy is present in nature, humans are interfering with weed's natural process when introducing this genetic change to their strains. (amsterdammarijuanaseeds.com)
  • Genetic analyses on mitochondrial genome are complicated by the peculiarities of the mitochondrial genetic system that features maternal inheritance, polyploidy, and amitotic segregation. (nih.gov)
  • Abnormalities in fetal movement are suggestive of primary neurologic abnormalities or may be in association with a genetic syndrome, such as polyploidy. (medscape.com)
  • Polyploidy, also known as Whole Genome Duplication (WGD), is responsible for a broad array of plant diversification. (emerging-researchers.org)
  • Here, we showed the utility of automated tree-based orthology inference methods, previously designed for genomic or transcriptomic data sets, to study complex scenarios of polyploidy and reticulate evolution from target enrichment data sets. (uib.no)
  • Polyploidy is observed across the tree of life, yet its influence on evolution remains incompletely understood. (iucc.ac.il)
  • Hybridization and polyploidy are major forces in plant evolution. (bvsalud.org)
  • Polyploidy may occur due to abnormal cell division, either during mitosis, or more commonly from the failure of chromosomes to separate during meiosis or from the fertilization of an egg by more than one sperm. (wikipedia.org)
  • Polyploidy is commonplace in many eukaryotes lineages and particularly prominent in plants. (europa.eu)
  • Polyploidy develops once the liver has completed regeneration. (nih.gov)
  • The contributors discuss the dramatic molecular and cellular changes that occur when a regeneration program is initiated, the progenitor cells and morphogenic signals involved, the formation of a blastema, the roles of reprogramming and polyploidy, the diversity of cell fates, the integration of new structures with existing body parts, and our current understanding of why some structures are more resistant to regeneration than others. (cshlpress.com)
  • Bergen Open Research Archive: Analysis of Paralogs in Target Enrichment Data Pinpoints Multiple Ancient Polyploidy Events in Alchemilla s.l. (uib.no)
  • Analysis of Paralogs in Target Enrichment Data Pinpoints Multiple Ancient Polyploidy Events in Alchemilla s.l. (uib.no)
  • Last, but not least the implications of polyploidy in natural populations for the analyses of community structures and microbiomes will be discussed. (mpg.de)
  • Collectively, analyses of unique polyploidy markers and molecular signaling networks may be useful to further characterize functional aspects of decidual cell polyploidy at the site of implantation. (plos.org)
  • Polyploidy has been widely reported to occur in a large variety of plant and animal cells. (plos.org)
  • The factors which regulate the process of endomitosis, the extent of polyploidy, and the ultrastructural changes which occur in the nucleus during maturation are not understood. (nih.gov)
  • Polyploidy creates higher diversity among Cynodon accessions as" by Osman Gulsen, Songul Sever-Mutlu et al. (unl.edu)
  • The inhibition of mitochondrial activity by various pharmacological inhibitors, as well as by gene-specific targeting using siRNA-mediated technology showed a dramatic attenuation of polyploidy and bi-nucleation development during in vitro stromal cell decidualization, suggesting mitochondria play a major role in positive regulation of decidual cell polyploidization. (plos.org)
  • In future studies we can further explore the influence of polyploidy to explain transitions in sexual organs and pollination systems in Thalictrum polyploids. (emerging-researchers.org)
  • What does seem to be certain is that polyploidy is fairly common in Aspen. (blogspot.com)
  • Polyploidy may also affect adaptation independently of beneficial mutations through ploidy-specific changes in cell physiology. (iucc.ac.il)
  • Using phylogenetic analysis of PCR -cloned gene copies, we determined the specific mechanisms underlying polyploidy, including instances of shared hybrid ancestry. (emerging-researchers.org)
  • Polyploidy analysis by the CQ1. (yokogawa.com)
  • Cellular polyploidy has been widely reported in nature, yet its developmental mechanism and function remain poorly understood. (plos.org)