Normal development in <scp><i>Ambystoma mexicanum</i></scp>: A complementary staging table for the skull based on Alizarin red S staining

Atkins, Jade B.; Houle, Laurent; Cantelon, Alanna S.; Maddin, Hillary C.

doi:10.1002/dvdy.152

Cited by 4 publications

(2 citation statements)

References 16 publications

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“…The elements are organized in chronological and alphabetical order duration of a stage based on features of the skull overlaps two stages that are based on external features. Fitting new data to an existing staging table is more prone to revealing subtle incongruences with features that defined the original stages (e.g., Atkins, Houle, Cantelon, & Maddin, 2020). Combined with the effects of possible genetic variation and differences in the exact time of egg deposition, these differences might account for the temporal variation in element ossifications between our replicates.…”

Section: Temporal Variation In the Initiation Of Ossification Between Replicatesmentioning

confidence: 98%

Development of the chicken skull: A complement to the external staging table of Hamburger and Hamilton

Arnaout

Lantigua

MacKenzie

et al. 2021

The Anatomical Record

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Embryonic staging tables provide a standard of developmental stages that can be used by individual investigators and provide approximate time points for the study of developmental phenomena. Surprisingly, despite the presence of a plethora of studies on the chicken skull and its role as a model species in developmental research, a staging table of the development of the chicken skull remains lacking. A detailed photographic staging table of the osseous portion of the chicken skull is thus presented here based on cleared and stained HH stages spanning HH 35 (first appearance of skull ossification) to the final stage before hatching (HH 45). This table documents the development of most of the cranial elements in the skull from the start of ossification until the element takes its final shape. The table shows that the elements of the lower jaw and ventral side of the skull begin ossifying before the skull roof and that most elements take roughly 5 days to reach their final shape, whereas others take up to 9 days (e.g., the frontal). The obtained results lead to several hypotheses about chicken skull development and provide a timeframe for future studies on chicken skull development.

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Section: Temporal Variation In the Initiation Of Ossification Between Replicatesmentioning

confidence: 98%

Development of the chicken skull: A complement to the external staging table of Hamburger and Hamilton

Arnaout

Lantigua

MacKenzie

et al. 2021

The Anatomical Record

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“…2A, A Each Meckel's cartilage rod is enclosed by several bones, including the dentary bone on its ventral and vestibular (or lateral) sides, the prearticular bone in the lingual side, and the coronoid bone resting above each prearticular bone. Teeth develop from both the dentary bone and the coronoid bone (Atkins et al, 2020;Makanae et al, 2020). This anatomy remains constant as the axolotl matures, unlike in the newt where the coronoid bone is lost during metamorphosis (Davit-Béal et al, 2007).…”

Section: Lateral Defects In the Mandible Regenerate Through Tissue Gr...mentioning

confidence: 99%

Axolotl mandible regeneration occurs through mechanical gap closure and a shared regenerative program with the limb

Kramer,

Aires,

Keeley

et al. 2024

Preprint

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The mandible plays an essential part in human life and, thus, defects in this structure can dramatically impair the quality of life in patients. Axolotls, unlike humans, are capable of regenerating their lower jaws; however, the underlying mechanisms and their similarity to those in limb regeneration are unknown. In this work, we used morphological, histological, and transcriptomic approaches to analyze the regeneration of lateral resection defects in the axolotl mandible. We found that this structure can regenerate all missing tissues in 90 days through gap minimization, blastema formation, and finally tissue growth, differentiation, and integration. Moreover, transcriptomic comparisons of regenerating mandibles and limbs showed that they share molecular phases of regeneration, that these similarities peak during blastema stages, and that mandible regeneration occurs at a slower pacing. Altogether, our study demonstrates the existence of a shared regenerative program used in two different regenerating body structures with different embryonic origins in the axolotl, and contributes to our understanding of the minimum requirements for a successful regeneration in vertebrates, bringing us closer to understand similar lesions in human mandibles.

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Cranial skeletogenesis of one of the largest amphibians, Andrias japonicus, provides insight into ontogenetic adaptations for feeding in salamanders

Ishikawa

Taguchi²,

Kobayashi

et al. 2021

Zoological Journal of the Linnean Society

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Skeletal development in salamanders is greatly influenced by their complex life history. Although the relationship between skull development and life history has been investigated in a variety of salamander species, few studies have compared skull development among lineages. Here, we describe the cranial skeletogenesis of the Japanese giant salamander, Andrias japonicus (family Cryptobranchidae), for the first time. To conduct interspecific comparisons, we also describe the cranial skeletogenesis of Hynobius nebulosus (Hynobiidae), Pleurodeles waltl (Salamandridae) and Ambystoma mexicanum (Ambystomatidae). Our comparative analyses reveal interspecific differences in cranial skeletogenesis, particularly in the timing of the onset of ossification, the direction of ossification (e.g. from anterior to posterior) and the ossification pattern of the hyobranchial skeleton. The early onset of jaw ossification, posterior extension of the maxilla and posterolateral inclination of the squamosal in An. japonicus might be adaptations that allow An. japonicus to gulp feed, primarily using the suction force generated by opening the mouth wide, while also supplementing that force by depressing the hyobranchial skeleton. Multivariate regression of skull shape on log10-transformed centroid size revealed that the unique skull shape of adult and subadult An. japonicus forms through hypermorphosis.

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Normal development in Ambystoma mexicanum: A complementary staging table for the skull based on Alizarin red S staining

Cited by 4 publications

References 16 publications

Development of the chicken skull: A complement to the external staging table of Hamburger and Hamilton

Development of the chicken skull: A complement to the external staging table of Hamburger and Hamilton

Axolotl mandible regeneration occurs through mechanical gap closure and a shared regenerative program with the limb

Cranial skeletogenesis of one of the largest amphibians, Andrias japonicus, provides insight into ontogenetic adaptations for feeding in salamanders

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