Skip to Main content Skip to Navigation
Reports

Etude de la minéralisation du squelette au cours du développement de l’embryon d’oiseau (Gallus gallus)

Abstract : To support embryonic growth, the egg must contain all the components required for its development. To assist skeleton’s mineralization, the embryo mobilizes the calcium embedded in the eggshell, via the chrorioallantoic membrane (CAM). Indeed, this extra-embryonic structure participate in the decalcification of the eggshell and contributes to the transport of calcium from the eggshell to the embryo. However, the molecular actors involved remain undefined. Thanks to microscopic approaches performed on pre-stained skeletons of embryos, we quantified the size and the surface area of mineralized bones, at two stages of development. We observed an increase in bone mineralization, which corresponds to the increase in the expression of candidates genes in the CAM (CA2, CASR, TGM4), while others are steadily expressed at the two stages (ATP6V0A4, CAB39L, LOC776719, MGP, S100A14). These experiments provided preliminary data that will help in further studying the kinetics and mechanisms involved in bone mineralization.
Document type :
Reports
Complete list of metadata

https://hal.inrae.fr/hal-03248658
Contributor : Sophie Rehault-Godbert <>
Submitted on : Thursday, June 3, 2021 - 4:45:37 PM
Last modification on : Thursday, August 5, 2021 - 3:55:53 AM
Long-term archiving on: : Saturday, September 4, 2021 - 7:17:38 PM

File

Celia_Rousset_M1_Repro_2005201...
Files produced by the author(s)

Identifiers

  • HAL Id : hal-03248658, version 1

Collections

Citation

Célia Rousset. Etude de la minéralisation du squelette au cours du développement de l’embryon d’oiseau (Gallus gallus). [Stage] INRAE. 2021. ⟨hal-03248658⟩

Share

Metrics

Record views

18

Files downloads

10