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61 results
  • Tripsazea, a Novel Trihybrid of Zea mays, Tripsacum dactyloides and Zea perennis. [Journal Article]
    G3 (Bethesda) 2019Yan X, Cheng M, … Tang Q
  • A trispecific hybrid, MTP (hereafter called tripsazea), was developed from intergeneric crosses involving tetraploid Zea mays (2n = 4x = 40, genome: MMMM), tetraploid Tripsacum dactyloides (2n = 4x = 72, TTTT), and tetraploid Z perennis (2n = 4x = 40, PPPP). On crossing maize-Tripsacum (2n = 4x = 56, MMTT) with Z perennis, 37 progenies with varying chromosome numbers (36-74) were obtained, and a …
  • The structure and migration patterns of the population of Uruguay through isonymy. [Journal Article]
    J Biosoc Sci 2019; :1-15Carrieri A, Sans M, … Barrai I
  • Surname distribution can be a useful tool for studying the genetic structure of a human population. In South America, the Uruguay population has traditionally been considered to be of European ancestry, despite its trihybrid origin, as proved through genetics. The aim of this study was to investigate the structure of the Uruguayan population, resulting from population movements and surname drift …
  • The role of interspecific hybridization in adaptive potential at range margins. [News]
    Mol Ecol 2018; 27(23):4653-4656Cronk QC, Suarez-Gonzalez A
  • Is interspecific hybridization an ordinary part of species biology? And if so, how evolutionarily important is it? These questions have been discussed in the botanical literature, in one form or another, at least since J.P. Lotsy early in the last century. He coined the term syngameon, now defined as "a group of otherwise distinct species interconnected by limited gene exchange, i.e. the most inc…
  • Genome expression balance in a triploid trihybrid vertebrate. [Journal Article]
    Genome Biol Evol 2017McElroy KE, Denton RD, … Lisle Gibbs H
  • Polyploidy is increasingly recognized as a driver of biological diversity. How and why polyploidization affects gene expression is critical to understanding the link between ploidy elevation and diversification. In polyploid plants multiple studies have demonstrated that ploidy elevation can confer major but variable consequences for gene expression, ranging from gene-by-gene alterations to entir…
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