Developmental biology: A chordate with a difference

@article{Holland2007DevelopmentalBA,
  title={Developmental biology: A chordate with a difference},
  author={Linda Z Holland},
  journal={Nature},
  year={2007},
  volume={447},
  pages={153-155}
}
  • L. Holland
  • Published 10 May 2007
  • Biology, Medicine
  • Nature
Molecular studies of tunicate development show that genetic programmes for early embryonic patterning can change radically during evolution, without completely disrupting the basic chordate body plan. 
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47 Citations
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References

SHOWING 1-10 OF 16 REFERENCES
Chordate Evolution and Autonomous Specification of Cell Fate: The Ascidian Embryo Model
TLDR
The present contribution attempts to unite the two themes by postulating that autonomous specification further enhanced the modular nature of the developing tunicate embryo and permitted natural selection to act differentially on the largely independent organ systems of larvae and paedomorphs, in what amounts to a mosaic selection pattern. Expand
Development of a chordate anterior-posterior axis without classical retinoic acid signaling.
TLDR
Results revealed that RA does not cause homeotic posteriorization in Oikopleura as it does in vertebrates and cephalochordates, and showed that a chordate can develop the phylotypic body plan in the absence of the classical morphogenetic role of RA. Expand
Hox cluster disintegration with persistent anteroposterior order of expression in Oikopleura dioica
TLDR
It is shown that the tunicate Oikopleura dioica has a complement of nine Hox genes in which all central genes are lacking but a full vertebrate-like set of posterior genes is present. Expand
Genome evolution and developmental constraint in Caenorhabditis elegans.
TLDR
It was found that the mean rate of amino acid replacement is not significantly different between genes expressed during and after embryogenesis, however, synonymous substitution rates differed significantly between these two classes. Expand
Is retinoic acid genetic machinery a chordate innovation?
TLDR
A new hypothesis is proposed in which lineage‐specific duplication and loss of RA machinery genes could be related to the morphological radiation of deuterostomes, in which this new evolutionary viewpoint argues against the hypothesis that the acquisition of gene families underlying RA metabolism and signaling was a key event for the origin of chordates. Expand
Developmental constraint on gene duplicability in fruit flies and nematodes.
TLDR
It is found that the average duplicability of genes involved in embryonic development is indeed lower than that of genesinvolved in larval development but not significantly lower than those involved in later stages of development. Expand
Deuterostome phylogeny reveals monophyletic chordates and the new phylum Xenoturbellida
TLDR
To study the relationships among all deuterostome groups, an alignment of more than 35,000 homologous amino acids is assembled, including new data from a hemichordate, starfish and Xenoturbella and it is concluded that chordates are monophyletic. Expand
Urochordates are monophyletic within the deuterostomes.
TLDR
A detailed phylogenetic analysis of urochordates based on comparisons of 10 new u rochordate 18S ribosomal DNA sequences with other uroChordate sequences in GenBank suggests strongly that uro chordates form a monophyletic clade within the deuterostomes. Expand
Gene
Gene Specie Forward Reverse NPHP1 canine AGCAGGAGGGGAAGAAGT TGGAAGAGTGTGGAAGGC INVS/NPHP2 canine CATGAAGTGATCCAGTTCATGTTG GGCGGCGATGTCCTGTAT NPHP3 canine TCTCTGTGGAGTAACGCTGTCA ATCCCATTGTCTCACACATTC… Expand
Nature
  • R. Rosenfeld
  • Medicine
  • Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery
  • 2009
TLDR
I am writing with a simple plea to balance the voluminous articles about treatment in your journal with a modicum of information about nature and caring effects to rekindle the perception of physicians as healers, not only treaters, who relish the gifts of nature, and foster the humanistic aspect of medicine that has thrived for millennia. Expand
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