2002
DOI: 10.1126/science.1077706
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Jaws of the Fates

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Cited by 12 publications
(3 citation statements)
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“…Although the physical separation of the hindbrain into seven rhombomeric segments is transitory, this early organization plays a fundamental role in head development and in maintaining the neural architecture in postsegmental and adult stages of development (Pasqualetti et al 2007, Wingate & Lumsden 1996. A major component of the bone and connective tissue that contributes to craniofacial development is derived from cranial neural crest cells, which migrate from the hindbrain rhombomeres (Koentges & Matsuoka 2002, Le Douarin & Kalcheim 1999. Correlating with the two-segment periodicity, relatively little neural crest is derived from r3 and r5, and this arises due to interactions between rhombomeres, and between rhombomeres and their surrounding environment.…”
Section: Hindbrain Segmentation and Head Developmentmentioning
confidence: 99%
“…Although the physical separation of the hindbrain into seven rhombomeric segments is transitory, this early organization plays a fundamental role in head development and in maintaining the neural architecture in postsegmental and adult stages of development (Pasqualetti et al 2007, Wingate & Lumsden 1996. A major component of the bone and connective tissue that contributes to craniofacial development is derived from cranial neural crest cells, which migrate from the hindbrain rhombomeres (Koentges & Matsuoka 2002, Le Douarin & Kalcheim 1999. Correlating with the two-segment periodicity, relatively little neural crest is derived from r3 and r5, and this arises due to interactions between rhombomeres, and between rhombomeres and their surrounding environment.…”
Section: Hindbrain Segmentation and Head Developmentmentioning
confidence: 99%
“…This raises the possibility that other Dlx genes compensate for the absence of Dlx5 in these mice. Interestingly, Dlx5/6 knock-out mice have a more severe bone phenotype than the Dlx5 single knockout, with craniofacial, axial, and appendicular skeletal abnormalities (Robledo et al, 2002); in addition, this knockout produced a jaw phenotype that was interpreted as being a transformation of the maxilla into a mandible-like structure (Koentges and Matsuoka, 2002;Robledo et al, 2002). Although many of these defects are thought to reflect aberrant pattern formation, it was also suggested that there may be delayed ossification in the mutant.…”
Section: Introductionmentioning
confidence: 99%
“…Although they did not have an opercle bone, they had a hyoid gill cover covered in dermal branchiostegal rays (Janvier, ). Acanthodians had symmetrical upper and lower pharyngeal elements, implying that in acanthodians, as in lampreys, the Dlx code to specify dorsal–ventral identity may not have been fully employed yet (Koentges & Matsuoka, ; Kuraku et al, ). However, unlike lampreys, which have a nonjointed branchial “basket” pharyngeal skeleton without separated upper and lower segments, acanthodians have jointed upper and lower elements.…”
Section: Cartilaginous Fishes: Early Gnathostomes Placoderms Acanthodians and Chondrichthyesmentioning
confidence: 99%