G E Budd

Summary

Country: Sweden

Publications

  1. pmc The earliest fossil record of the animals and its significance
    Graham E Budd
    Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala 752 36, Sweden
    Philos Trans R Soc Lond B Biol Sci 363:1425-34. 2008
  2. pmc Arthroaspis n. gen., a common element of the Sirius Passet Lagerstätte (Cambrian, North Greenland), sheds light on trilobite ancestry
    Martin Stein
    Natural History Museum of Denmark, Universitetsparken 15, DK 2100 Copenhagen, Denmark
    BMC Evol Biol 13:99. 2013
  3. pmc Expression of pair rule gene orthologs in the blastoderm of a myriapod: evidence for pair rule-like mechanisms?
    Ralf Janssen
    Department of Earth Sciences, Uppsala University, Villavägen 16, 752 36, Uppsala, Sweden
    BMC Dev Biol 12:15. 2012
  4. pmc The hatching larva of the priapulid worm Halicryptus spinulosus
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Palaeobiology, Villavägen 16, 75236 Uppsala, Sweden
    Front Zool 6:8. 2009
  5. pmc Expression of myriapod pair rule gene orthologs
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 752 36 Uppsala, Sweden
    Evodevo 2:5. 2011
  6. pmc Gene expression suggests conserved aspects of Hox gene regulation in arthropods and provides additional support for monophyletic Myriapoda
    Ralf Janssen
    Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 75236 Uppsala, Sweden
    Evodevo 1:4. 2010
  7. pmc Expression of collier in the premandibular segment of myriapods: support for the traditional Atelocerata concept or a case of convergence?
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Villavägen 16, 752 36 Uppsala, Sweden
    BMC Evol Biol 11:50. 2011
  8. pmc Conservation, loss, and redeployment of Wnt ligands in protostomes: implications for understanding the evolution of segment formation
    Ralf Janssen
    Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 75236 Uppsala, Sweden
    BMC Evol Biol 10:374. 2010
  9. doi request reprint The origin and evolution of arthropods
    Graham E Budd
    Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala SE 752 36, Sweden
    Nature 457:812-7. 2009
  10. ncbi request reprint A critical reappraisal of the fossil record of the bilaterian phyla
    G E Budd
    Department of Earth Sciences Historical Geology and Palaeontology, University of Uppsala, Sweden
    Biol Rev Camb Philos Soc 75:253-95. 2000

Detail Information

Publications21

  1. pmc The earliest fossil record of the animals and its significance
    Graham E Budd
    Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala 752 36, Sweden
    Philos Trans R Soc Lond B Biol Sci 363:1425-34. 2008
    ..Why animals appear so late in the fossil record is still unclear, but the recent trend to embrace rising oxygen levels as being the proximate cause remains unproven and may even involve a degree of circularity...
  2. pmc Arthroaspis n. gen., a common element of the Sirius Passet Lagerstätte (Cambrian, North Greenland), sheds light on trilobite ancestry
    Martin Stein
    Natural History Museum of Denmark, Universitetsparken 15, DK 2100 Copenhagen, Denmark
    BMC Evol Biol 13:99. 2013
    ..Interrelationships remain unclear, and the position of the lamellipedian arthropods as a whole also remains the subject of debate...
  3. pmc Expression of pair rule gene orthologs in the blastoderm of a myriapod: evidence for pair rule-like mechanisms?
    Ralf Janssen
    Department of Earth Sciences, Uppsala University, Villavägen 16, 752 36, Uppsala, Sweden
    BMC Dev Biol 12:15. 2012
    ..Despite the derived developmental modes, it appears more likely that conserved mechanisms can be found in anterior patterning...
  4. pmc The hatching larva of the priapulid worm Halicryptus spinulosus
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Palaeobiology, Villavägen 16, 75236 Uppsala, Sweden
    Front Zool 6:8. 2009
    ..These findings may further help unravelling the phylogenetic position of the Priapulida within the Scalidophora and hence contribute to the elucidation of the nature of the ecdysozoan ancestor...
  5. pmc Expression of myriapod pair rule gene orthologs
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 752 36 Uppsala, Sweden
    Evodevo 2:5. 2011
    ..abstract:..
  6. pmc Gene expression suggests conserved aspects of Hox gene regulation in arthropods and provides additional support for monophyletic Myriapoda
    Ralf Janssen
    Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 75236 Uppsala, Sweden
    Evodevo 1:4. 2010
    ..Of the two splice variants of Ubx/Antp only one could be isolated from myriapods, representing a possible further synapomorphy of the Myriapoda...
  7. pmc Expression of collier in the premandibular segment of myriapods: support for the traditional Atelocerata concept or a case of convergence?
    Ralf Janssen
    Uppsala University, Department of Earth Sciences, Villavägen 16, 752 36 Uppsala, Sweden
    BMC Evol Biol 11:50. 2011
    ..It was therefore assumed that the expression of col in myriapods would reflect the ancestral state like in crustaceans and chelicerates, i.e. absence from the premandibular/intercalary segment and hence no function in its formation...
  8. pmc Conservation, loss, and redeployment of Wnt ligands in protostomes: implications for understanding the evolution of segment formation
    Ralf Janssen
    Department of Earth Sciences, Palaeobiology, Villavägen 16, SE 75236 Uppsala, Sweden
    BMC Evol Biol 10:374. 2010
    ..We also characterised Wnt gene expression in the latter three species, and further investigated expression of these genes in the beetle Tribolium castaneum...
  9. doi request reprint The origin and evolution of arthropods
    Graham E Budd
    Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala SE 752 36, Sweden
    Nature 457:812-7. 2009
    ..A complementary source of data is the discovery of fossils from several spectacular Cambrian faunas. These fossils form well-characterized groupings, making the broad pattern of Cambrian arthropod systematics increasingly consensual...
  10. ncbi request reprint A critical reappraisal of the fossil record of the bilaterian phyla
    G E Budd
    Department of Earth Sciences Historical Geology and Palaeontology, University of Uppsala, Sweden
    Biol Rev Camb Philos Soc 75:253-95. 2000
    ..This analysis points to the requirement for a careful application of systematic methodology before explanations are sought for alleged patterns of constraint and flexibility...
  11. ncbi request reprint On the origin and evolution of major morphological characters
    Graham E Budd
    Dept of Earth Sciences Palaeobiology, University of Uppsala, Norbyvagen 22, Uppsala SE 752 36, Sweden
    Biol Rev Camb Philos Soc 81:609-28. 2006
    ..In particular, understanding how morphology can evolve may provide the critical link between the ecological and morphological networks that are currently the intense focus of evolutionary investigations...
  12. ncbi request reprint Why are arthropods segmented?
    G E Budd
    Department of Earth Sciences, Uppsala University, Sweden
    Evol Dev 3:332-42. 2001
    ..Evolutionary functional morphology has been relatively little considered in the context of the evolution of development, but may play an important role in defining the framework within which this evolution occurs...
  13. ncbi request reprint A palaeontological solution to the arthropod head problem
    Graham E Budd
    Department of Earth Sciences Historical Geology and Palaeontology, Uppsala University, Norbyvagen 22, Uppsala, Sweden
    Nature 417:271-5. 2002
    ..The latter appendage has been reduced in all crown-group euarthropods. Its most likely relic is as a component of the labrum. These fossils thus tie together results from disparate living groups (onychophorans and euarthropods)...
  14. doi request reprint The Burgess Shale anomalocaridid Hurdia and its significance for early euarthropod evolution
    Allison C Daley
    Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala SE 752 36, Sweden
    Science 323:1597-600. 2009
    ..These features amplify and clarify the diversity of known anomalocaridid morphology and provide insight into the origins of important arthropod features, such as the head shield and respiratory exites...
  15. doi request reprint Gene expression patterns in an onychophoran reveal that regionalization predates limb segmentation in pan-arthropods
    Ralf Janssen
    Department of Earth Sciences, Uppsala University, Villavägen 16, 752 36 Uppsala, Sweden
    Evol Dev 12:363-72. 2010
    ..The reversed hth and exd patterns in chelicerates and myriapods are therefore an apomorphy for this group, the Myriochelata, lending support to the Myriochelata and Tetraconata clades in arthropod phylogeny...
  16. ncbi request reprint Expression of engrailed in the developing brain and appendages of the onychophoran euperipatoides kanangrensis (Reid)
    B Joakim Eriksson
    Department of Earth Sciences, Palaeobiology Programme, Palaeontology Group, Uppsala University, Norbyvagen 22, SE 752 36 Uppsala, Sweden
    J Exp Zool B Mol Dev Evol 304:220-8. 2005
    ..The lack of the traditional expression in the posterior compartment of segments reported earlier in onychophorans is discussed, and we suggest that onychophorans may have acquired two copies of engrailed with different functions...
  17. ncbi request reprint Head development in the onychophoran Euperipatoides kanangrensis with particular reference to the central nervous system
    B Joakim Eriksson
    Department of Earth Sciences, Historical Geology and Palaeontology, Uppsala University, SE 752 36 Uppsala, Sweden
    J Morphol 255:1-23. 2003
    ..Evidence is presented to further support the presence of a terminal mouth in the ground plan of the Onychophora and, hence, an acron may not exist in the arthropod clade...
  18. doi request reprint Evidence for Wg-independent tergite boundary formation in the millipede Glomeris marginata
    Ralf Janssen
    Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala, Sweden
    Dev Genes Evol 218:361-70. 2008
    ..The proposed mechanism is similar to the mechanism used to establish the AP boundary in Drosophila wings and ventral pleura...
  19. ncbi request reprint Evolution: along came a sea spider
    Graham E Budd
    Nature 437:1099-102. 2005
  20. ncbi request reprint Palaeontology: lost children of the Cambrian
    Graham E Budd
    Nature 427:205-7. 2004
  21. ncbi request reprint The place of phylogeny and cladistics in Evo-Devo research
    Maximilian J Telford
    Department Zoology, Downing Street, Cambridge, CB2 3EJ, UK
    Int J Dev Biol 47:479-90. 2003
    ..All of these forms of inference are fundamental for comparative biology and of immediate importance to the practice of evolutionary developmental biology...