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The buccohypophyseal canal is an ancestral vertebrate trait maintained by modulation in sonic hedgehog signaling

Overview of attention for article published in BMC Biology, March 2013
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Title
The buccohypophyseal canal is an ancestral vertebrate trait maintained by modulation in sonic hedgehog signaling
Published in
BMC Biology, March 2013
DOI 10.1186/1741-7007-11-27
Pubmed ID
Authors

Roman H Khonsari, Maisa Seppala, Alan Pradel, Hugo Dutel, Gaël Clément, Oleg Lebedev, Sarah Ghafoor, Michaela Rothova, Abigael Tucker, John G Maisey, Chen-Ming Fan, Maiko Kawasaki, Atsushi Ohazama, Paul Tafforeau, Brunella Franco, Jill Helms, Courtney J Haycraft, Albert David, Philippe Janvier, Martyn T Cobourne, Paul T Sharpe

Abstract

The pituitary gland is formed by the juxtaposition of two tissues: neuroectoderm arising from the basal diencephalon, and oral epithelium, which invaginates towards the central nervous system from the roof of the mouth. The oral invagination that reaches the brain from the mouth is referred to as Rathke's pouch, with the tip forming the adenohypophysis and the stalk disappearing after the earliest stages of development. In tetrapods, formation of the cranial base establishes a definitive barrier between the pituitary and oral cavity; however, numerous extinct and extant vertebrate species retain an open buccohypophyseal canal in adulthood, a vestige of the stalk of Rathke's pouch. Little is currently known about the formation and function of this structure. Here we have investigated molecular mechanisms driving the formation of the buccohypophyseal canal and their evolutionary significance.

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Mendeley readers

The data shown below were compiled from readership statistics for 52 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 2 4%
France 1 2%
Unknown 49 94%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 17 33%
Researcher 9 17%
Student > Bachelor 6 12%
Student > Master 5 10%
Lecturer > Senior Lecturer 3 6%
Other 8 15%
Unknown 4 8%
Readers by discipline Count As %
Agricultural and Biological Sciences 24 46%
Biochemistry, Genetics and Molecular Biology 9 17%
Earth and Planetary Sciences 5 10%
Chemistry 3 6%
Medicine and Dentistry 2 4%
Other 3 6%
Unknown 6 12%