E. Zimmer

Publications141
h-index53
Citations10,921
Highly Influential Citations643
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Use of DNA barcodes to identify flowering plants.
TLDR
Comparison of the total plastid genomes of tobacco and deadly nightshade enhanced with trials on widely divergent angiosperm taxa suggest that the sequences in this pair of loci have the potential to discriminate among the largest number of plant species for barcoding purposes.
The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes
TLDR
This study demonstrates that Amboreella, Nymphaeales and Illiciales-Trimeniaceae-Austrobaileya represent the first stage of angiosperm evolution, with Amborella being sister to all other angiosperms, and shows that Gnetales are related to the conifers and are not sister to the angios perms, thus refuting the Anthophyte Hypothesis.
Phylogeny and biogeography of Panax L. (the ginseng genus, araliaceae): inferences from ITS sequences of nuclear ribosomal DNA.
  • J. Wen, E. Zimmer
  • Biology
    Molecular phylogenetics and evolution
  • 1 October 1996
TLDR
The Himalayas and central and western China are the current centers of diversity of the ginseng genus and the low ITS sequence divergence and a close relationship among species in that region suggest that rapid evolutionary radiation may have created such a diversity of Panax in the Himalaya and in central and eastern China.
Molecular evolution and phylogenetic implications of internal transcribed spacer sequences of Ribosomal DNA in Winteraceae
The internal transcribed spacers and the 5.8S coding region of nuclear ribosomal DNA were sequenced and analyzed to address questions of generic relationships in Winteraceae. The molecular data…
Phylogeny of Basal Angiosperms: Analyses of Five Genes from Three Genomes1
TLDR
The standard most parsimonious trees search, taxon deletion analyses, and constraint analyses in combination with Kishino‐Hasegawa tests provided a rigorous analytical perspective for identifying Amborella, Nymphaeales, and Illiciales‐Trimeniaceae‐Austrobaileya (ANITA) as the basalmost lineages of extant angiosperms.
Unraveling the evolutionary radiation of the families of the Zingiberales using morphological and molecular evidence.
TLDR
Evidence from branch lengths in the parsimony analyses and from the fossil record suggests that the Zingiberales originated in the Early Cretaceous and underwent a rapid radiation in the mid-Cretaceous, by which time most extant family lineages had diverged.
Rapid duplication and loss of genes coding for the alpha chains of hemoglobin.
TLDR
Concerted evolution appears also to have occurred, but far more slowly, in the region coding for the adult beta-like chains of hemoglobin, leading to the hypothesis that the lengths of the noncoding regions are important determinants of the rates at which genes are gained and lost by intergenic recombination.
Phylogenetic relationships in the Gesnerioideae (Gesneriaceae) based on nrDNA ITS and cpDNA trnL‐F and trnE‐T spacer region sequences†
TLDR
This study presents maximum parsimony and maximum likelihood phylogenetic analyses of nuclear ribosomal DNA internal transcribed spacer regions (ITS) and chloroplast DNA trnL intron,trnF intergenic spacer region, and trnE‐trnT intergenicSpacer region sequences, and suggests that Sinningia and relatives should be considered as a separate tribe.
Angiosperm Phylogeny Inferred from 18S Ribosomal DNA Sequences
Conservation patterns in angiosperm rDNA ITS2 sequences.
TLDR
A general model of angiosperm ITS2 secondary structure that shows common pairing relationships for most of the conserved sequence tracts is proposed and variations in secondary structure predictions for sequences from different taxa indicate that compensatory mutation is not limited to paired positions.
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