The evolution of the Hox cluster: insights from outgroups |
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Authors: | John R Finnerty Mark Q Martindale |
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Affiliation: | Department of Organismal Biology and Anatomy, University of Chicago, 1027 E. 57th Street, Chicago, Illinois 60637, USA |
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Abstract: | Two burgeoning research trends are helping to reconstruct the evolution of the Hox cluster with greater detail and clarity. First, Hox genes are being studied in a broader phylogenetic sampling of taxa: the past year has witnessed important new data from teleost fishes, onychophorans, myriapods, polychaetes, glossiphoniid leeches, ribbon worms, and sea anemones. Second, commonly accepted notions of animal relationships are being challenged by alternative phylogenetic hypotheses that are causing us to rethink the evolutionary relationships of important metazoan lineages, especially arthropods, annelids, nematodes, and platyhelminthes. |
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Keywords: | Abbreviations: abd-Aabdominal-A AntpAntennapedia lablabial pbproboscipedia ScrSex combs reduced UbxUltrabithorax |
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