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Keywords = barnacle cement protein

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25 pages, 2237 KiB  
Review
Recent Advances in Barnacle-Inspired Biomaterials in the Field of Biomedical Research
by Tiantian Min, Zhongna Zhang, Lan Chen and Jingan Li
Materials 2025, 18(3), 502; https://doi.org/10.3390/ma18030502 - 22 Jan 2025
Viewed by 1882
Abstract
As a marine fouling organism, barnacles secrete a cement whose proteins self-assemble into stable nanofibers, conferring exceptional underwater adhesion and curing properties. The barnacle cement proteins (BCPs) are of significant interest in biomedicine due to their adhesiveness, water resistance, stability, and biocompatibility, making [...] Read more.
As a marine fouling organism, barnacles secrete a cement whose proteins self-assemble into stable nanofibers, conferring exceptional underwater adhesion and curing properties. The barnacle cement proteins (BCPs) are of significant interest in biomedicine due to their adhesiveness, water resistance, stability, and biocompatibility, making them ideal for developing novel biomaterials. Additionally, BCPs have wound-healing acceleration and antibacterial properties, offering new insights for antimicrobial biomaterial development. Recently, barnacle-inspired materials have seen extensive research and notable progress in biomedicine. As the understanding of barnacle cement and its adhesion mechanisms deepens, their medical applications are expected to expand. This review summarizes the latest advancements of barnacle biomimetic materials in biomedicine, including their use in adhesives, tissue engineering, drug delivery, and hemostasis, highlighting their characteristics, applications, and potential research directions, and providing a comprehensive reference for the field. Full article
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20 pages, 2526 KiB  
Review
An Overview on the Adhesion Mechanisms of Typical Aquatic Organisms and the Applications of Biomimetic Adhesives in Aquatic Environments
by Jiani Liu, Junyi Song, Ling Zeng and Biru Hu
Int. J. Mol. Sci. 2024, 25(14), 7994; https://doi.org/10.3390/ijms25147994 - 22 Jul 2024
Cited by 8 | Viewed by 3201
Abstract
Water molecules pose a significant obstacle to conventional adhesive materials. Nevertheless, some marine organisms can secrete bioadhesives with remarkable adhesion properties. For instance, mussels resist sea waves using byssal threads, sandcastle worms secrete sandcastle glue to construct shelters, and barnacles adhere to various [...] Read more.
Water molecules pose a significant obstacle to conventional adhesive materials. Nevertheless, some marine organisms can secrete bioadhesives with remarkable adhesion properties. For instance, mussels resist sea waves using byssal threads, sandcastle worms secrete sandcastle glue to construct shelters, and barnacles adhere to various surfaces using their barnacle cement. This work initially elucidates the process of underwater adhesion and the microstructure of bioadhesives in these three exemplary marine organisms. The formation of bioadhesive microstructures is intimately related to the aquatic environment. Subsequently, the adhesion mechanisms employed by mussel byssal threads, sandcastle glue, and barnacle cement are demonstrated at the molecular level. The comprehension of adhesion mechanisms has promoted various biomimetic adhesive systems: DOPA-based biomimetic adhesives inspired by the chemical composition of mussel byssal proteins; polyelectrolyte hydrogels enlightened by sandcastle glue and phase transitions; and novel biomimetic adhesives derived from the multiple interactions and nanofiber-like structures within barnacle cement. Underwater biomimetic adhesion continues to encounter multifaceted challenges despite notable advancements. Hence, this work examines the current challenges confronting underwater biomimetic adhesion in the last part, which provides novel perspectives and directions for future research. Full article
(This article belongs to the Special Issue Biomimetic Materials Applied in the Analytical and Biomedical Fields)
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19 pages, 2833 KiB  
Article
Proteogenomic Characterization of the Cement and Adhesive Gland of the Pelagic Gooseneck Barnacle Lepas anatifera
by Dany Domínguez-Pérez, Daniela Almeida, Josef Wissing, André M. Machado, Lothar Jänsch, Agostinho Antunes, Luís Filipe Castro, Vitor Vasconcelos, Alexandre Campos and Isabel Cunha
Int. J. Mol. Sci. 2021, 22(7), 3370; https://doi.org/10.3390/ijms22073370 - 25 Mar 2021
Cited by 12 | Viewed by 3842
Abstract
We focus on the stalked goose barnacle L. anatifera adhesive system, an opportunistic less selective species for the substrate, found attached to a variety of floating objects at seas. Adhesion is an adaptative character in barnacles, ensuring adequate positioning in the habitat for [...] Read more.
We focus on the stalked goose barnacle L. anatifera adhesive system, an opportunistic less selective species for the substrate, found attached to a variety of floating objects at seas. Adhesion is an adaptative character in barnacles, ensuring adequate positioning in the habitat for feeding and reproduction. The protein composition of the cement multicomplex and adhesive gland was quantitatively studied using shotgun proteomic analysis. Overall, 11,795 peptide sequences were identified in the gland and 2206 in the cement, clustered in 1689 and 217 proteinGroups, respectively. Cement specific adhesive proteins (CPs), proteases, protease inhibitors, cuticular and structural proteins, chemical cues, and many unannotated proteins were found, among others. In the cement, CPs were the most abundant (80.5%), being the bulk proteins CP100k and -52k the most expressed of all, and CP43k-like the most expressed interfacial protein. Unannotated proteins comprised 4.7% of the cement proteome, ranking several of them among the most highly expressed. Eight of these proteins showed similar physicochemical properties and amino acid composition to known CPs and classified through Principal Components Analysis (PCA) as new CPs. The importance of PCA on the identification of unannotated non-conserved adhesive proteins, whose selective pressure is on their relative amino acid abundance, was demonstrated. Full article
(This article belongs to the Section Molecular Biology)
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20 pages, 3598 KiB  
Article
The Quantitative Proteome of the Cement and Adhesive Gland of the Pedunculate Barnacle, Pollicipes pollicipes
by Dany Domínguez-Pérez, Daniela Almeida, Josef Wissing, André M. Machado, Lothar Jänsch, Luís Filipe Castro, Agostinho Antunes, Vitor Vasconcelos, Alexandre Campos and Isabel Cunha
Int. J. Mol. Sci. 2020, 21(7), 2524; https://doi.org/10.3390/ijms21072524 - 5 Apr 2020
Cited by 16 | Viewed by 6078
Abstract
Adhesive secretion has a fundamental role in barnacles’ survival, keeping them in an adequate position on the substrate under a variety of hydrologic regimes. It arouses special interest for industrial applications, such as antifouling strategies, underwater industrial and surgical glues, and dental composites. [...] Read more.
Adhesive secretion has a fundamental role in barnacles’ survival, keeping them in an adequate position on the substrate under a variety of hydrologic regimes. It arouses special interest for industrial applications, such as antifouling strategies, underwater industrial and surgical glues, and dental composites. This study was focused on the goose barnacle Pollicipes pollicipes adhesion system, a species that lives in the Eastern Atlantic strongly exposed intertidal rocky shores and cliffs. The protein composition of P. pollicipes cement multicomplex and cement gland was quantitatively studied using a label-free LC-MS high-throughput proteomic analysis, searched against a custom transcriptome-derived database. Overall, 11,755 peptide sequences were identified in the gland while 2880 peptide sequences were detected in the cement, clustered in 1616 and 1568 protein groups, respectively. The gland proteome was dominated by proteins of the muscle, cytoskeleton, and some uncharacterized proteins, while the cement was, for the first time, reported to be composed by nearly 50% of proteins that are not canonical cement proteins, mainly unannotated proteins, chemical cues, and protease inhibitors, among others. Bulk adhesive proteins accounted for one-third of the cement proteome, with CP52k being the most abundant. Some unannotated proteins highly expressed in the proteomes, as well as at the transcriptomic level, showed similar physicochemical properties to the known surface-coupling barnacle adhesive proteins while the function of the others remains to be discovered. New quantitative and qualitative clues are provided to understand the diversity and function of proteins in the cement of stalked barnacles, contributing to the whole adhesion model in Cirripedia. Full article
(This article belongs to the Section Molecular Biology)
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19 pages, 4634 KiB  
Article
Insights into the Synthesis, Secretion and Curing of Barnacle Cyprid Adhesive via Transcriptomic and Proteomic Analyses of the Cement Gland
by Guoyong Yan, Jin Sun, Zishuai Wang, Pei-Yuan Qian and Lisheng He
Mar. Drugs 2020, 18(4), 186; https://doi.org/10.3390/md18040186 - 31 Mar 2020
Cited by 15 | Viewed by 4302
Abstract
Barnacles represent one of the model organisms used for antifouling research, however, knowledge regarding the molecular mechanisms underlying barnacle cyprid cementation is relatively scarce. Here, RNA-seq was used to obtain the transcriptomes of the cement glands where adhesive is generated and the remaining [...] Read more.
Barnacles represent one of the model organisms used for antifouling research, however, knowledge regarding the molecular mechanisms underlying barnacle cyprid cementation is relatively scarce. Here, RNA-seq was used to obtain the transcriptomes of the cement glands where adhesive is generated and the remaining carcasses of Megabalanus volcano cyprids. Comparative transcriptomic analysis identified 9060 differentially expressed genes, with 4383 upregulated in the cement glands. Four cement proteins, named Mvcp113k, Mvcp130k, Mvcp52k and Mvlcp1-122k, were detected in the cement glands. The salivary secretion pathway was significantly enriched in the Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of the differentially expressed genes, implying that the secretion of cyprid adhesive might be analogous to that of saliva. Lysyl oxidase had a higher expression level in the cement glands and was speculated to function in the curing of cyprid adhesive. Furthermore, the KEGG enrichment analysis of the 352 proteins identified in the cement gland proteome partially confirmed the comparative transcriptomic results. These results present insights into the molecular mechanisms underlying the synthesis, secretion and curing of barnacle cyprid adhesive and provide potential molecular targets for the development of environmentally friendly antifouling compounds. Full article
(This article belongs to the Special Issue Marine Natural Products with Antifouling Activity)
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