Role of extracellular matrix molecules in shell formation and structure

@article{Arias2001RoleOE,
  title={Role of extracellular matrix molecules in shell formation and structure},
  author={Jos{\'e} Luis Arias and M. Soledad Fern{\'a}ndez},
  journal={World's Poultry Science Journal},
  year={2001},
  volume={57},
  pages={349 - 357}
}
Avian eggshells are natural composite bioceramics containing organic and inorganic phases. The occurrence and role of particular collagens and proteoglycans in the eggshell and their pattern of secretion by the oviduct is discussed. While type X collagen, the main constituent of the shell membranes, functions to inhibit their mineralisation, mammillan, a mammillary keratan sulphate proteoglycan, is involved in nucleation of the first calcite crystals of the shell and ovoglycan, a unique… Expand
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Partial biomimetic reconstitution of avian eggshell formation.
TLDR
The combinatory effect of proteoglycans and carbonic anhydrase seems to be important for the control of eggshell formation. Expand
Distinct Effects of Avian Egg Derived Anionic Proteoglycans on the Early Stages of Calcium Carbonate Mineralization
This Communication addresses the effects of egg membrane- and shell-associated proteoglycans, namely, keratan sulfate and dermatan sulfate, respectively, on the nascent stages of CaCO3… Expand
Biomimetic processes through the study of mineralized shells
Abstract Fabrication of mineralized structures is a widespread phenomenon among living organisms (e.g., shells, carapaces, spines, spicules, bones and teeth). These ceramic biocomposites consist of… Expand
Determination of insoluble avian eggshell matrix proteins
TLDR
This work studied EDTA-insoluble proteins by gradual decalcification of eggshell with EDTA and identified for the first time collagens I and III in the eggshell matrix, and Kunitz-like protease inhibitor as a major shell matrix protein. Expand
Proteomic analysis of the acid‐soluble organic matrix of the chicken calcified eggshell layer
TLDR
The present study is the first comprehensive proteomic study of a vertebrate biomineral and is intended as a starting point for the detailed molecular characterization of eggshell matrix proteins, their interactions in the matrix network and functional studies. Expand
Phosphoproteins of the chicken eggshell calcified layer
TLDR
The chicken eggshell matrix is a complex mixture of proteins and proteoglycans that contains phosphoproteins that are thought to affect mineralization of the matrix, and phosphorylated proteins of these proteins contained more than 150 different phosphorylation sites, 103 of which were determined with high confidence. Expand
Localization of osteopontin in oviduct tissue and eggshell during different stages of the avian egg laying cycle.
TLDR
The occurrence of osteopontin in each of the oviduct regions, coincided with the concomitant presence of the egg in such region, suggests that this molecule could be part of the mechanism regulating the eggshell calcification. Expand
Austromegabalanus psittacus barnacle shell structure and proteoglycan localization and functionality.
TLDR
The results indicate that, in the barnacle model, proteoglycans are good candidates for the modification of the calcite crystal morphology, although the cooperative effect of some additional proteins in the shell could not be excluded. Expand
Sulfated polymers in biological mineralization: a plausible source for bio-inspired engineering
Biomineralization leads to the formation of inorganic crystals with unique, ordered, refined shapes that are regulated by specific macromolecules. This process has been a source of inspiration for… Expand
Evolution of the Avian Eggshell Biomineralization Protein Toolkit – New Insights From Multi-Omics
TLDR
Current knowledge on organic matrix components from calcified eggshell is reviewed to analyze the evolution of selected matrix proteins and underline their role in the biological toolkit required for eggshell calcification in avian species. Expand
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