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Acoelomorph flatworms are deuterostomes related to Xenoturbella
This phylogeny makes sense of the shared characteristics of Xenoturbellida and Acoelomorpha, and implies the loss of various deuterostome characters in the Xenobiology including coelomic cavities, through gut and gill slits.
A worldwide survey of genome sequence variation provides insight into the evolutionary history of the honeybee Apis mellifera
The honeybee Apis mellifera has major ecological and economic importance. We analyze patterns of genetic variation at 8.3 million SNPs, identified by sequencing 140 honeybee genomes from a worldwide…
How the worm got its pharynx: phylogeny, classification and Bayesian assessment of character evolution in Acoela.
A phylogenetic classification of Acoela down to the family level where six previous family level taxa are synonymized and Diopisthoporidae is the sister group to all other acoels and has the highest posterior similarity to the root.
From where did the Western honeybee (Apis mellifera) originate?
The authors' analyses support high divergence between western and eastern European populations of A. mellifera, suggesting they are likely derived from two distinct colonization routes, although the sources of these expansions are still unclear.
The phylogenetic position of the comb jellies (Ctenophora) and the importance of taxonomic sampling
The reconstructed topology is considered to represent the current best hypothesis of the interrelationships of these old lineages and morphological features supporting alternative hypotheses are discussed in the light of this result.
Extreme Recombination Frequencies Shape Genome Variation and Evolution in the Honeybee, Apis mellifera
A fine-scale map of rates of crossing over in the genome of honeybees is constructed and it is found that, in contrast to vertebrate genomes, the recombination landscape is not strongly punctate, which indicates a pervasive impact of selection on the genome.
Dismissal of Acoelomorpha: Acoela and Nemertodermatida are separate early bilaterian clades
We used new 18S and 28S rRNA sequences analysed with parsimony, maximum likelihood and Bayesian methods of phylogenetic reconstruction to show that Nemertodermatida, generally classified as the…
Filling a gap in the phylogeny of flatworms: relationships within the Rhabdocoela (Platyhelminthes), inferred from 18S ribosomal DNA sequences
The phylogeny of the Rhabdocoela, a species‐rich taxon of free‐living flatworms, is reconstructed based on complete 18S rDNA sequences, and three existing and four new taxon names are formally defined following the rules of the Phylocode.
A comprehensive phylogeny of Neurospora reveals a link between reproductive mode and molecular evolution in fungi.
- K. Nygren, Rebecka Strandberg, +6 authors H. Johannesson
- Biology, MedicineMolecular phylogenetics and evolution
- 1 June 2011
It is argued that the ancestor of Neurospora was likely heterothallic and that homothallism has evolved independently at least six times in the evolutionary history of the genus, and likelihood ratio tests of substitution rates indicate that reproductive mode is an important factor driving genome evolution in neurospora.
A hybrid de novo genome assembly of the honeybee, Apis mellifera, with chromosome-length scaffolds
This assembly is highly contiguous across centromeres and telomeres and includes hundreds of AvaI and AluI repeats associated with these features and will be of utility for refining gene models, studying genome function, mapping functional genetic variation, identification of structural variants, and comparative genomics.