Results 11 to 20 of about 20,275 (199)
Polyploidy did not predate the evolution of nodulation in all legumes. [PDF]
PLoS ONE, 2010 BACKGROUND: Several lines of evidence indicate that polyploidy occurred by around 54 million years ago, early in the history of legume evolution, but it has not been known whether this event was confined to the papilionoid subfamily (Papilionoideae; e.g.
Steven B Cannon +6 more
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A Reappraisal of Polyploidy Events in Grasses (Poaceae) in a Rapidly Changing World
Biology, 2022 Around 80% of megaflora species became extinct at the Cretaceous–Paleogene (K–Pg) boundary. Subsequent polyploidy events drove the survival of thousands of plant species and played a significant historical role in the development of the most successful ...
Acga Cheng +5 more
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Leaf transcriptome differences between diploid and tetraploid bahiagrass. [PDF]
Plant GenomeAbstract Polyploid individuals of the subtropical forage grass Paspalum notatum Flüggé (bahiagrass) exhibit distinct phenotypes, including apomixis, enhanced vigor, gigas effects, and increased stress tolerance. While apomixis‐based breeding programs supported by molecular tools have improved agronomic traits such as growth habit, forage dry matter ...
Podio M +5 more
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The role of cellular polyploidy in the regeneration of the cirrhotic liver in rats and humans [PDF]
Comparative CytogeneticsPolyploidy is a condition in which a cell has multiple diploid sets of chromosomes. Two forms of polyploidy are known. One of them, generative polyploidy, is characteristic of all cells of the organism, while the other form develops only in some somatic ...
Natalia N. Bezborodkina +2 more
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Decidual cell polyploidization necessitates mitochondrial activity. [PDF]
PLoS ONE, 2011 Cellular polyploidy has been widely reported in nature, yet its developmental mechanism and function remain poorly understood. In the present study, to better define the aspects of decidual cell polyploidy, we isolated pure polyploid and non-polyploid ...
Xinghong Ma +7 more
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Polyploidy in the adult Drosophila brain
eLife, 2020 Long-lived cells such as terminally differentiated postmitotic neurons and glia must cope with the accumulation of damage over the course of an animal’s lifespan. How long-lived cells deal with ageing-related damage is poorly understood.
Shyama Nandakumar +2 more
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Cytotaxonomical aspects of Antarctic mosses, with special reference to the proportion of polyploidy
Antarctic Record, 1994 The evolutionary tendency concerning karyological features, especially the proportion of polyploidy and infraspecific polyploidy in Antarctic mosses is reviewed.
Hiroshi Okada, Hiroshi Kanda
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Whole-Genome Doubling as a source of cancer: how, when, where, and why?
Frontiers in Cell and Developmental Biology, 2023 Chromosome instability is a well-known hallmark of cancer, leading to increased genetic plasticity of tumoral cells, which favors cancer aggressiveness, and poor prognosis.
Natalia Sanz-Gómez +3 more
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BMC Plant Biology, 2018 Background Facilitated by the rapid progress of sequencing technology, comparative genomic studies in plants have unveiled recurrent whole genome duplication (i.e. polyploidization) events throughout plant evolution.
Bei Gao +9 more
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Polyploidy on Islands: Its Emergence and Importance for Diversification
Frontiers in Plant Science, 2021 Whole genome duplication or polyploidy is widespread among floras globally, but traditionally has been thought to have played a minor role in the evolution of island biodiversity, based on the low proportion of polyploid taxa present. We investigate five
Heidi M. Meudt +7 more
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