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12 de ene. de 2021 · In the present study, we designed an experiment and generated new data to confirm the hypothesis of concerted evolution in the 18S rDNA gene of several Chaetoceros species by high-throughput ...
10 de jun. de 2021 · The obtained variability maps of the 18S rRNA molecule revealed a pattern of high diversity among the three major rotifer clades coupled with strong conservation within each of bdelloids and monogononts.
European Clocks in the Seventeenth and Eighteenth Centuries. Clare Vincent. Department of European Sculpture and Decorative Arts, The Metropolitan Museum of Art. October 2003. The adoption of the pendulum in the seventeenth century radically changed the European clock.
12 de mar. de 2011 · We illustrated the bioinformatics-based structure to show that, the regions that are more length-variable, regions that are less length-variable, the splicing sites for introns, and the sites of A-minor interactions are mostly distributed in different parts of the 18S rRNA.
1 de oct. de 2004 · Mori et al. (2000b) estimated the divergence time of the Erysiphales based on molecular clocks (Berbee and Taylor 1993) and 18S rDNA sequences of Erysiphales. They reported that the first radiation of the Erysiphales occurred in the Creta- ceous.
8 de abr. de 2016 · We present the evolutionary history of the corallines following a novel, combined approach using their fossil record, molecular phylogeny (based on the 18S rDNA gene sequences of 39 coralline species), and molecular clocks.
1 de feb. de 2015 · We calibrated the molecular clock on two ribosomal genes, the complete nuclear small subunit rDNA (18S) gene and the partial nuclear large subunit rDNA (28S) gene fragment (spanning variable domains D1–D6), since their sequences constitute the only large database available for Proseriata.
