Direct development: an alternative way to make a frog

@article{Elinson2001DirectDA,
  title={Direct development: an alternative way to make a frog},
  author={Richard P. Elinson},
  journal={genesis},
  year={2001},
  volume={29}
}
  • R. Elinson
  • Published 1 February 2001
  • Biology, Medicine
  • genesis
Time to synchronize our clocks: Connecting developmental mechanisms and evolutionary consequences of heterochrony.
TLDR
It is time to synchronize the different levels of heterochrony research into a single analysis flow: from studies on organismal-level morphology to cells to molecules and genes, using complementary techniques, to achieve a more comprehensive understanding of phyletic morphological diversification associated with heterochronsy.
Salientia Locomotion
Direct development of the bush frog Raorchestes longchuanensis (Yang and Li 1978) under laborary conditions in Southern China
TLDR
Under laboratory conditions, it is found that R. longchuanensis can lay two clutches in a single month (as two were laid in the month of June).
Habitat deterioration promotes the evolution of direct development in metamorphosing species
TLDR
It is shown that among amphibians the transition of metamorphosis to direct development is indeed, in line with model predictions, conditional on and preceded by the evolution of larger egg sizes, and the population will go extinct in case the adult habitat does not provide sufficient food to escape metamorphotic.
Embryogenesis of Marsupial Frogs (Hemiphractidae), and the Changes that Accompany Terrestrial Development in Frogs.
TLDR
The comparison of early development reveals that gene expression is highly conserved among frog species, and indicates that a major event in the evolution of frog terrestrial development is the separation of convergent extension from gastrulation.
Embryogenesis of Marsupial Frogs (Hemiphractidae), and the Changes that Accompany Terrestrial Development in Frogs.
TLDR
The comparison of early development reveals that gene expression is highly conserved among frog species, and indicates that a major event in the evolution of frog terrestrial development is the separation of convergent extension from gastrulation.
Direct development in African squeaker frogs (Anura: Arthroleptidae: Arthroleptis) reveals a mosaic of derived and plesiomorphic characters
TLDR
E egg deposition, clutch characteristics and embryonic development of the direct-developing squeaker frogs of the genus Arthroleptis are described, providing the first detailed description of direct development in Arth Roleptidae.
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