1988
DOI: 10.2307/2408870
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The Limits of Amino Acid Sequence Data in Angiosperm Phylogenetic Reconstruction

Abstract: Amino acid sequence data are available for ribulose biphosphate carboxylase, plastocyanin, cytochrome c, and ferredoxin for a number of angiosperm families. Cladistic analysis of the data, including evaluation of all equally or almost equally parsimonious cladograms, shows that much homoplasy (parallelisms and reversals) is present and that few or no well supported monophyletic groups offamilies can be demonstrated. In one analysis ofnine angiosperm families and 40 variable amino acid positions from three prot… Show more

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Cited by 1,500 publications
(983 citation statements)
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References 11 publications
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“…Bremer support values (Bremer 1988(Bremer , 1994 for the preferred tree, expressed as fit values, were calculated in TNT using Analyze / suboptimal, followed by Analyze / Traditional search / tree bisection reconnection (TBR) and Trees / Bremer Supports, retaining trees suboptimal up to 10 units of fit and combining various numbers of replications (between 1 and 10) with various numbers of trees saved per replication (between 3000 and 30000, inversely related to the numbers of replications) until the solution stabilised.…”
Section: Resultsmentioning
confidence: 99%
“…Bremer support values (Bremer 1988(Bremer , 1994 for the preferred tree, expressed as fit values, were calculated in TNT using Analyze / suboptimal, followed by Analyze / Traditional search / tree bisection reconnection (TBR) and Trees / Bremer Supports, retaining trees suboptimal up to 10 units of fit and combining various numbers of replications (between 1 and 10) with various numbers of trees saved per replication (between 3000 and 30000, inversely related to the numbers of replications) until the solution stabilised.…”
Section: Resultsmentioning
confidence: 99%
“…We performed bootstrap analyses (1000 heuristic pseudoreplicates) to evaluate the robustness of nodes in the tree and also assessed support with Bremer support values (Bremer 1988), calculated with Autodecay version 4.0 (Eriksson 1998).…”
Section: Phylogenetic Analysismentioning
confidence: 99%
“…Characters were weighted using implied weighting with a concavity constant (k) from 1 to 6, selecting a k = 3. Node support was estimated using (i) relative non-parametric bootstrapping, (ii) symmetric resampling using 1000 replicates, and a heuristic search with a change probability of 33%; these are reported as frequency differences between groups present and contradicted (GC), and (iii) Bremer support (BS; Bremer 1988Bremer , 1994. We selected multiple outgroups for testing the position of Cycetini and the monophyly of Thyrsophorini in accordance to Yoshizawa …”
Section: Hypothesis Testing Systematicsmentioning
confidence: 99%