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Effects of salinity on diploid (2x) and doubled diploid (4x) Citrus macrophylla genotypes
Scientia Horticulturae, 2016Tetraploid (4x) citrus seedlings may be more tolerant to salt stress than diploid (2x) genotypes. Genome duplication in citrus changes both plant physiology and anatomy, leading plants to acquire differentiated capacities to uptake and transport mineral elements.
Ruiz, Marta +7 more
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Ancestries of a recombining diploid population
Journal of Mathematical Biology, 2015We derive the exact one-step transition probabilities of the number of lineages that are ancestral to a random sample from the current generation of a bi-parental population that is evolving under the discrete Wright-Fisher model with n diploid individuals. Our model allows for a per-generation recombination probability of r .
Sainudiin, R., Thatte, B., Véber, A.
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Compensatory evolution in diploid populations
Theoretical Population Biology, 2008Compensatory mutations are individually deleterious but harmless in appropriate combinations either at more than two sites within a gene or on separate genes. Considering that dominance effects of selection and heterodimer formation of gene products may affect the rate of compensatory evolution, we investigate compensatory neutral mutation models for ...
Ichinose, Motoshi +3 more
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Yesterday's polyploids and the mystery of diploidization
Nature Reviews Genetics, 2001Thirty years after Susumu Ohno proposed that vertebrate genomes are degenerate polyploids, the extent to which genome duplication contributed to the evolution of the vertebrate genome, if at all, is still uncertain. Sequence-level studies on model organisms whose genomes show clearer evidence of ancient polyploidy are invaluable because they indicate ...
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Coexisting clones in diploid and near-diploid cell lines.
Anticancer research, 1997The karyotypic characteristics and clonal composition of human normal diploid MRC-5 (46,XY) and tumorigenic SK-UT-1 (45,XX,-13) and SK-UT-IB (46,XX) cell lines were studied. In MRC-5, 45, XX, -6; 45,X; 46, XY, t(7;14) (p11:q24) and 47, XY, M1 clones were identified.
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