3 Works

Data from: Proteomic divergence in Arabidopsis autopolyploids and allopolyploids and their progenitors

Danny W. K. Ng, Changqing Zhang, Marisa Miller, Zhouxin Shen, Steven P. Briggs, Z. Jeffrey Chen, D W-K Ng, C Zhang, M Miller, Z J Chen, Z Shen & S P Briggs
Autopolyploidy and allopolyploidy are common in many plants and some animals. Rapid changes in genomic composition and gene expression have been observed in both auto- and allopolyploids, but the effects of polyploidy on proteomic divergence are poorly understood. Here we report quantitative analysis of protein changes in leaves of Arabidopsis auto- and allotetraploids and their progenitors using isobaric tags for relative and absolute quantitation (iTRAQ) coupled with mass spectrometry. Over 1 000 proteins analyzed, the...

Data from: Ecomorphological diversification among South American spiny rats (Rodentia, Echimyidae): a phylogenetic and chronological approach.

Thomas Galewski, Jean-François Mauffrey, Yuri L. R. Leite, James L. Patton, Emmanuel J. P. Douzery, Thomas Galewski, Jean-François Mauffrey, Yuri L. R. Leite, James L. Patton, Emmanuel J. P. Douzery & Emmanuel J.P. Douzery
The phylogeny of South American spiny rats (Rodentia; Echimyidae) was studied using the exon 28 of the von Willebrand Factor nuclear gene (vWF). Sequences were analysed separately and in combination with a mitochondrial dataset (cyt b, 12S and 16S rRNAs) used in previous publications. The basal polytomy of echimyids was partially resolved and unexpected intergeneric clades were recovered. Thus, the intimate nested position of Myocastor within echimyids is evidenced. A well-supported clade is identified, including...

Data from: Best practices for justifying fossil calibrations

James F. Parham, Philip C. J. Donoghue, Christopher J. Bell, Tyler D. Calway, Jason J. Head, Patricia A. Holroyd, Jun G. Inoue, Randall B. Irmis, Walter G. Joyce, Daniel T. Ksepka, José S. L. Patané, Nathan D. Smith, James E. Tarver, Marcel Van Tuinen, Ziheng Yang, Kenneth D. Angielczyk, Jenny M. Greenwood, Christy A. Hipsley, Jacobs Louis, Peter J. Makovicky, Johannes Müller, Krister T. Smith, Jessica M. Theodor, Rachel C. M. Warnock, Michael J. Benton … & Louis Jacobs
Our ability to correlate biological evolution with climate change, geological evolution, and other historical patterns is essential to understanding the processes that shape biodiversity. Combining data from the fossil record with molecular phylogenetics represents an exciting synthetic approach to this challenge. The first molecular divergence dating analysis (Zuckerkandl and Pauling 1962) was based on a measure of the amino acid differences in the hemoglobin molecule; with replacement rates established (calibrated) using inaccurate paleontological age estimates...

Registration Year

  • 2011
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Affiliations

  • University of California System
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  • The University of Texas at Austin
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  • Field Museum of Natural History
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  • Humboldt University of Berlin
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  • Instituto Butantan
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  • University of Chicago
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  • University College London
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  • University of North Carolina Wilmington
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  • University of Tübingen
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  • University of Utah
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  • University of Calgary
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  • Southern Methodist University
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  • University of Nebraska–Lincoln
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  • North Carolina State University
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  • University of Montpellier
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