The anuran Bauplan: A review of the adaptive, developmental, and genetic underpinnings of frog and tadpole morphology

Article Abstract:

The adaptive, ontogenetic, and genetic bases of certain skeletal features of the anuran Bauplan or the body plan of frogs, toads and their larvae, which diverges widely from that of other vertebrates, are reviewed. It is concluded that the divergent morphology of anurans emerges as a product of evolutionary modulation of the generalized vertebrate development machinery.

Canada, Physiological aspects, Genetic aspects, Growth, Frogs, Somite, Tadpoles, Company growth, Ontogeny, Somites (Embryology)

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Synaptonemal complex formation: Where does it start?

Article Abstract:

The synaptonemal complex (SC) is a prominent, evolutionarily conserved feature of meiotic prophase. The findings reveal that meiotic recombination is required to promote efficient SC formation, but the barrier to synaptic initiation in the absence of recombination is more stringent in some organisms than others.

Neural transmission, Synaptic transmission, Meiosis

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Left and right in the amphibian world: which way to develop and where to turn?

Article Abstract:

The details of behavioral and anatomical asymmetries in amphibians are discussed. The behavioral asymmetries are more variable in populations and species than the principal body left-right asymmetries.

Behavior, Amphibians, Anatomical specimens

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