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Organic Matrix and Secondary Metabolites in Nacre
Nacre, also called mother-of-pearl, is a naturally occurring biomineral, largely studied by chemists, structural biologists, and physicists to...
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Nacre Extract from Pearl Oyster Shell Prevents D-Galactose-Induced Brain and Skin Aging
Pearl oyster shells comprise two layers, a prismatic and nacreous layer, of calcium carbonate. The nacreous layer has been used in Chinese medicine...
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HcN57, A Novel Unusual Acidic Silk-Like Matrix Protein from Hyriopsis cumingii, Participates in Framework Construction and Nacre Nucleation During Nacreous Layer Formation
In the classic molecular model of nacreous layer formation, unusual acidic matrix proteins rich in aspartic acid (Asp) residues are essential for...
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Indirect evaluation of hardness and delamination strength of Akoya cultured pearl nacre based on UV fluorescence intensity
The durability of Akoya pearls is closely related to the mechanical strength of the nacre. Therefore, obtaining information about the mechanical...
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miR-10a-3p Participates in Nacre Formation in the Pearl Oyster Pinctada fucata martensii by Targeting NPY
MicroRNAs (miRNAs) are small noncoding RNAs that regulate gene expression via the recognition of their target messenger RNAs. MiR-10a-3p plays an...
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Nacre-inspired underwater superoleophobic films with high transparency and mechanical robustness
Underwater superoleophobic materials have attracted increasing attention because of their remarkable potential applications, especially antifouling,...
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How the mantle location from which saibo is cut affects cultured Pinctada fucata martensii pearl quality
Nacre deposition varies across the shell’s anterior, middle, and posterior regions. This study explores how cutting saibo (grafting tissue) from...
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Analysis of protein kinase C (HcPKC) gene expression and single-nucleotide polymorphisms related to inner shell color traits in Hyriopsis cumingii
BackgroundProtein kinase C (PKC) is a multifunctional serine and PKC can phosphorylate serine residues in the cytoplasmic domain of tyrosinase,...
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Trivalent Iron Is Responsible for the Yellow Color Development in the Nacre of Akoya Pearl Oyster Shells
The gold and cream colors of cultured Akoya pearls, as well as natural yellow nacre of pearl oyster shells, are thought to arise from intrinsic...
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A Novel Kunitz-Type Serine Protease Inhibitor (HcKuSPI) is Involved in Antibacterial Defense in Innate Immunity and Participates in Shell Formation of Hyriopsis cumingii
Serine protease inhibitors (SPIs) are abundantly reported for its inhibition against specific proteases involved in the immune responses, but SPI...
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The Mantle Exosome and MicroRNAs of Hyriopsis cumingii Involved in Nacre Color Formation
The nacre color of shells has an effect on the pearl color in Hyriopsis cumingii and is an important indicator for its value. The nacre is part of...
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Skin, Scales, and Fins
In zebrafish, the outer layer of skin is epidermis and the inner layer of skin is dermis. There are several layers of cells in the epidermis. The...
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Organic Matrices of Calcium Carbonate Biominerals Improve Osteoblastic Mineralization
Many organisms incorporate inorganic solids into their tissues to improve functional and mechanical properties. The resulting mineralized tissues are...
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Generation of Transgenic Fish Harboring CRISPR/Cas9-Mediated Somatic Mutations Via a tRNA-Based Multiplex sgRNA Expression
The controlled expression of Cas9 and/or sgRNA in transgenic zebrafish made it possible to knock out a gene in a spatially and/or temporally...
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Tightly shut: flexible valve margins and microstructural asymmetry in pterioid bivalves
An organic-rich columnar prismatic outer shell layer, which extends far beyond the underlying nacre, has allowed pterioid bivalves (the pearl oysters...
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Functional morphology and biomechanics of arthropods
Representatives of arthropods, the largest animal phylum, occupy terrestrial, aquatic, arboreal, and subterranean niches. Their evolutionary success...
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Nacre formation by epithelial cell cultures from mantle of the black-lip pearl oyster, Pinctada margaritifera
Mantle tissue from the black-lip pearl oyster, Pinctada margaritifera , was cultured in vitro using sterilized seawater supplemented with 0.1% yeast...
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In-depth proteomic analyses of Haliotis laevigata (greenlip abalone) nacre and prismatic organic shell matrix
BackgroundThe shells of various Haliotis species have served as models of invertebrate biomineralization and physical shell properties for more than...
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Invasive pest spreads beyond the last frontier: Corbicula clam in the Chubut River, Patagonia
Clams belonging to the genus Corbicula are considered one of the most harmful freshwater invaders with strong economic and ecological impacts. In...
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The effects of physical disturbance and sediment refuge on the growth of young native freshwater mussels Elliptio complanata (Eastern Elliptio)
Native freshwater mussels form a critical component of benthic foodwebs, but are endangered worldwide, making their study an important conservation...
