1
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Doshi N, Guo W, Chen F, Venema P, Shum HC, de Vries R, Li X. Simple and complex coacervation in systems involving plant proteins. SOFT MATTER 2024; 20:1966-1977. [PMID: 38334990 DOI: 10.1039/d3sm01275a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Plant-based foods are gaining popularity as alternatives to meat and dairy products due to sustainability and health concerns. As a consequence, there is a renewed interest in the phase behaviour of plant proteins and of mixtures of plant proteins and polysaccharides, in particular in the cases where coacervation is found to occur, i.e., liquid-liquid phase separation (LLPS) into two phases, one of which is rich in biopolymers and one of which is poor in biopolymer. Here we review recent research into both simple and complex coacervation in systems involving plant proteins, and their applications in food- as well as other technologies, such as microencapsulation, microgel production, adhesives, biopolymer films, and more.
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Affiliation(s)
- Nirzar Doshi
- Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen 6708 WE, The Netherlands.
- Laboratory of Physics and Physical Chemistry of Foods, Wageningen University, Bornse Weilanden 9, 6708, WG, Wageningen, The Netherlands
| | - Wei Guo
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, New Territories, Shatin, Hong Kong, China
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Feipeng Chen
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Paul Venema
- Laboratory of Physics and Physical Chemistry of Foods, Wageningen University, Bornse Weilanden 9, 6708, WG, Wageningen, The Netherlands
| | - Ho Cheung Shum
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, New Territories, Shatin, Hong Kong, China
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Renko de Vries
- Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen 6708 WE, The Netherlands.
| | - Xiufeng Li
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, New Territories, Shatin, Hong Kong, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.
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2
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Schaber CF, Grawe I, Gorb SN. Attachment discs of the diving bell spider Argyroneta aquatica. Commun Biol 2023; 6:1232. [PMID: 38057422 PMCID: PMC10700320 DOI: 10.1038/s42003-023-05575-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 11/13/2023] [Indexed: 12/08/2023] Open
Abstract
To adhere their silk threads for the construction of webs and to fix the dragline, spiders produce attachment discs of piriform silk. Uniquely, the aquatic spider Argyroneta aquatica spends its entire life cycle underwater. Therefore, it has to glue its attachment discs to substrates underwater. Here we show that Argyroneta aquatica applies its thread anchors within an air layer around the spinnerets maintained by superhydrophobic setae. During spinning, symmetric movements of the spinnerets ensure retaining air in the contact area. The flat structure of the attachment discs is thought to facilitate fast curing of the piriform adhesive cement and improves the resistance against drag forces. Pull-off tests on draglines connected with attachment discs on different hydrophilic substrates point to dragline rupture as the failure mode. The Young´s modulus of the dragline (8.3 GPa) is within the range as in terrestrial spiders. The shown structural and behavioral adaptations can be the model for new artificial underwater gluing devices.
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Affiliation(s)
- Clemens F Schaber
- Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Am Botanischen Garten 9, 24118, Kiel, Germany.
| | - Ingo Grawe
- Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Am Botanischen Garten 9, 24118, Kiel, Germany
| | - Stanislav N Gorb
- Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Am Botanischen Garten 9, 24118, Kiel, Germany
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3
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Nie J, Sun Y, Cheng X, Wen G, Liu X, Cheng M, Zhao J, Li W. Plant Protein-Peptide Supramolecular Polymers with Reliable Tissue Adhesion for Surgical Sealing. Adv Healthc Mater 2023; 12:e2203301. [PMID: 36960795 DOI: 10.1002/adhm.202203301] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/08/2023] [Indexed: 03/25/2023]
Abstract
The fusion of protein science and peptide science opens up new frontiers in creating innovative biomaterials. Herein, a new kind of adhesive soft materials based on a natural occurring plant protein and short peptides via a simple co-assembly route are explored. The hydrophobic zein is supercharged by sodium dodecyl sulfate to form a stable protein colloid, which is intended to interact with charge-complementary short peptides via multivalent ionic and hydrogen bonds, forming adhesive materials at macroscopic level. The adhesion performance of the resulting soft materials can be fine-manipulated by customizing the peptide sequences. The adhesive materials can resist over 78 cmH2 O of bursting pressure, which is high enough to meet the sealing requirements of dural defect. Dural sealing and repairing capability of the protein-peptide biomaterials are further identified in rat and rabbit models. In vitro and in vivo assays demonstrate that the protein-peptide adhesive shows excellent anti-swelling property, low cell cytotoxicity, hemocompatibility, and inflammation response. In particular, the protein-peptide supramolecular biomaterials can in vivo dissociate and degrade within two weeks, which can well match with the time-window of the dural repairing. This work underscores the versatility and availability of the supramolecular toolbox in the easy-to-implement fabrication of protein-peptide biomaterials.
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Affiliation(s)
- Junlian Nie
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Qianjin Avenue 2699, Changchun, 130012, P. R. China
| | - Yingchuan Sun
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130014, P. R. China
| | - Xueliang Cheng
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130014, P. R. China
| | - Guang Wen
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Qianjin Avenue 2699, Changchun, 130012, P. R. China
| | - Xiaohuan Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Qianjin Avenue 2699, Changchun, 130012, P. R. China
| | - Meng Cheng
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130014, P. R. China
| | - Jianwu Zhao
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130014, P. R. China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Qianjin Avenue 2699, Changchun, 130012, P. R. China
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4
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Bioinspired chemical design to control interfacial wet adhesion. Chem 2023. [DOI: 10.1016/j.chempr.2023.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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5
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Anand PP, Shibu Vardhanan Y. Molecular cloning, expression, mRNA secondary structure and immunological characterization of mussel foot proteins (Mfps) (Mollusca: Bivalvia). J Biomol Struct Dyn 2023; 41:12242-12266. [PMID: 36688334 DOI: 10.1080/07391102.2023.2166996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/01/2023] [Indexed: 01/24/2023]
Abstract
The macroscale production of mussel foot proteins (Mfps) in the expression system has not succeeded to date. The principal reasons for this are low levels of expression and yield of Mfps, lack of post-translational modifications (PTMs), and immunological toxic effects on the host system. Identification of post-translational modification sites, suitable expression hosts, and immunological responses through an experimental approach is very costly and time-consuming. However, in the present study, in silico post-translation modification, antigenicity, allergenicity, and the immunological reaction of all available Mfps were characterized. Furthermore, all Mfps were codon optimized in three different expression systems to determine the best expression host. Finally, we performed the in-silico cloning of all codon-optimized Mfps in a suitable host (E. coli K12, pET28a(+) vector) and analyzed the secondary structure of mRNA and its structural stability. Among the 78 Mfps, six fps are considered potential allergenic proteins, six fps are considered non-allergenic proteins, and all other fps are probably allergenic. High antigenicity was observed in bacterial cells as compared to yeast and tumor cells. Nevertheless, the predicted expression of Mfps in a bacterial host is higher than in other expression hosts. Important to note that all Mfps showed significant immunological activity in the human system, and we concluded that these antigenic, allergenic, and immunological properties are directly correlated with their amino acid composition. The study's major goal is to provide a comprehensive understanding of Mfps and aid in the future genetic engineering and expression of Mfps and its diverse applications in different fields.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- P P Anand
- Biochemistry & Toxicology Division, Department of Zoology, University of Calicut, Thenhipalam, Kerala, India
| | - Y Shibu Vardhanan
- Biochemistry & Toxicology Division, Department of Zoology, University of Calicut, Thenhipalam, Kerala, India
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6
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Encapsulation behavior of curcumin in heteroprotein complex coacervates and precipitates fabricated from β-conglycinin and lysozyme. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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7
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Xu Z, Liu Z, Zhang C, Xu D. Advance in barnacle cement with high underwater adhesion. J Appl Polym Sci 2022. [DOI: 10.1002/app.52894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Zhenzhen Xu
- Beijing Institute of Basic Medical Sciences Beijing China
- College of Pharmaceutical Sciences Hebei University Baoding China
| | - Zhongcheng Liu
- College of Pharmaceutical Sciences Hebei University Baoding China
| | - Chao Zhang
- Beijing Institute of Basic Medical Sciences Beijing China
| | - Donggang Xu
- Beijing Institute of Basic Medical Sciences Beijing China
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8
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Decoding the byssus fabrication by spatiotemporal secretome analysis of scallop foot. Comput Struct Biotechnol J 2022; 20:2713-2722. [PMID: 35685371 PMCID: PMC9168380 DOI: 10.1016/j.csbj.2022.05.048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/24/2022] [Accepted: 05/24/2022] [Indexed: 01/06/2023] Open
Abstract
The first secretome about scallop byssal adhesion is profiled based on a new computational strategy. Scallop byssal secretome covered almost all of the known structural elements and functional domains of aquatic adhesives. The EGF-like domain containing proteins, the Tyr-rich proteins and 4C-repeats containing proteins are the main components of scallop byssus. A novel “nearby secretion” model of scallop byssus secretion and adhesion is proposed.
Secretome is involved in almost all physiological, developmental, and pathological processes, but to date there is still a lack of highly-efficient research strategy to comprehensively study the secretome of invertebrates. Adhesive secretion is a ubiquitous and essential physiological process in aquatic invertebrates with complicated protein components and unresolved adhesion mechanisms, making it a good subject for secretome profiling studies. Here we proposed a computational pipeline for systematic profiling of byssal secretome based on spatiotemporal transcriptomes of scallop. A total of 186 byssus-related proteins (BRPs) were identified, which represented the first characterized secretome of scallop byssal adhesion. Scallop byssal secretome covered almost all of the known structural elements and functional domains of aquatic adhesives, which suggested this secretome-profiling strategy had both high efficiency and accuracy. We revealed the main components of scallop byssus (including EGF-like domain containing proteins, the Tyr-rich proteins and 4C-repeats containing proteins) and the related modification enzymes primarily contributing to the rapid byssus assembly and adhesion. Spatiotemporal expression and co-expression network analyses of BRPs suggested a simultaneous secretion pattern of scallop byssal proteins across the entire region of foot and revealed their diverse functions on byssus secretion. In contrast to the previously proposed “root-initiated secretion and extension-based assembly” model, our findings supported a novel “foot-wide simultaneous secretion and in situ assembly” model of scallop byssus secretion and adhesion. Systematic analysis of scallop byssal secretome provides important clues for understanding the aquatic adhesive secretion process, as well as a common framework for studying the secretome of non-model invertebrates.
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9
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Gan K, Liang C, Bi X, Wu J, Ye Z, Wu W, Hu B. Adhesive Materials Inspired by Barnacle Underwater Adhesion: Biological Principles and Biomimetic Designs. Front Bioeng Biotechnol 2022; 10:870445. [PMID: 35573228 PMCID: PMC9097139 DOI: 10.3389/fbioe.2022.870445] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 03/22/2022] [Indexed: 01/19/2023] Open
Abstract
Wet adhesion technology has potential applications in various fields, especially in the biomedical field, yet it has not been completely mastered by humans. Many aquatic organisms (e.g., mussels, sandcastle worms, and barnacles) have evolved into wet adhesion specialists with excellent underwater adhesion abilities, and mimicking their adhesion principles to engineer artificial adhesive materials offers an important avenue to address the wet adhesion issue. The crustacean barnacle secretes a proteinaceous adhesive called barnacle cement, with which they firmly attach their bodies to almost any substrate underwater. Owing to the unique chemical composition, structural property, and adhesion mechanism, barnacle cement has attracted widespread research interest as a novel model for designing biomimetic adhesive materials, with significant progress being made. To further boost the development of barnacle cement-inspired adhesive materials (BCIAMs), it is necessary to systematically summarize their design strategies and research advances. However, no relevant reviews have been published yet. In this context, we presented a systematic review for the first time. First, we introduced the underwater adhesion principles of natural barnacle cement, which lay the basis for the design of BCIAMs. Subsequently, we classified the BCIAMs into three major categories according to the different design strategies and summarized their research advances in great detail. Finally, we discussed the research challenge and future trends of this field. We believe that this review can not only improve our understanding of the molecular mechanism of barnacle underwater adhesion but also accelerate the development of barnacle-inspired wet adhesion technology.
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Affiliation(s)
- Kesheng Gan
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Chao Liang
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Xiangyun Bi
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jizhe Wu
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Zonghuang Ye
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Wenjian Wu
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Biru Hu
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
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10
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Li F, Ye L, Zhang L, Li X, Liu X, Zhu J, Li H, Pang H, Yan Y, Xu L, Yang M, Yan J. Design of a genetically programmed barnacle-curli inspired living-cell bioadhesive. Mater Today Bio 2022; 14:100256. [PMID: 35469253 PMCID: PMC9034392 DOI: 10.1016/j.mtbio.2022.100256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/03/2022] [Accepted: 04/05/2022] [Indexed: 11/17/2022] Open
Abstract
In nature, barnacles and bacterial biofilms utilize self-assembly amyloid to achieve strong and robust interface adhesion. However, there is still a lack of sufficient research on the construction of macroscopic adhesives based on amyloid-like nanostructures through reasonable molecular design. Here, we report a genetically programmed self-assembly living-cell bioadhesive inspired by barnacle and curli system. Firstly, the encoding genes of two natural adhesion proteins (CsgA and cp19k) derived from E. coli curli and barnacle cement were fused and expressed as a fundamental building block of the bioadhesive. Utilizing the natural curli system of E. coli, fusion protein can be delivered to cell surface and self-assemble into an amyloid nanofibrous network. Then, the E. coli cells were incorporated into the molecular chain network of xanthan gum (XG) through covalent conjugation to produce a living-cell bioadhesive. The shear adhesive strength of the bioadhesive to the surface of the aluminum sheet reaches 278 kPa. Benefiting from living cells encapsulated inside, the bioadhesive can self-regenerate with adequate nutrients. This adhesive has low toxicity to organisms, strong resistance to the liquid environment in vivo, easy to pump, exhibiting potential application prospects in biomedical fields such as intestinal soft tissue repair.
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11
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Bolghari N, Shahsavarani H, Anvari M, Habibollahi H. A novel recombinant chimeric bio-adhesive protein consisting of mussel foot protein 3, 5, gas vesicle protein A, and CsgA curli protein expressed in Pichia pastoris. AMB Express 2022; 12:23. [PMID: 35220506 PMCID: PMC8882510 DOI: 10.1186/s13568-022-01362-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 02/12/2022] [Indexed: 11/10/2022] Open
Abstract
Despite various efforts to produce potent recombinant bio-adhesive proteins for medical purposes, efficient production of a safe and feasible bio-glue is not yet a commercial reality due to the weak properties or low expression levels. Here, a feasible expression system has been developed to produce strong recombinant fusion bioinspired protein using mussel foot protein 3 and 5 (Mfps) along with gas vesicle protein A (GvpA) of Anabaena flos-aquae, and a curli protein CsgA from E. coli, expressed under the control of alcohol oxidase (AOX1) promoter for high-level production in yeast P. pastoris using pPICZα vector. Purified chimeric proteins were first evaluated using western blotting, and their remaining dihydroxyphenylalanine (DOPA) was measured in the modified proteins by NBT assay. We further elucidated the mechanistic properties of obtained adhesive protein assembly in various pH levels based on its different subunits using atomic force microscopy (AFM) when adsorbed onto the mica surface. We found that both combinational structural features of subunits and post-translational changes during expression in yeast host have led to potent adherence due to higher DOPA residues specially in acidic condition and tetrad complex which is higher than that of earlier reports in prokaryotic systems. We believe that our obtained chimeric protein resulted from the fusion of GvpA and CsgA proteins with DOPA-containing Mfp proteins, expressed in the methylotrophic yeast, P. pastoris, not only presents a candidate for future biomedical applications but also provides novel biological clues used for high-performance bioinspired biomaterial designation.
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12
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Grohmann C, Cohrs AL, Gorb SN. Underwater Attachment of the Water-Lily Leaf Beetle Galerucella nymphaeae (Coleoptera, Chrysomelidae). Biomimetics (Basel) 2022; 7:biomimetics7010026. [PMID: 35225918 PMCID: PMC8883964 DOI: 10.3390/biomimetics7010026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/07/2022] [Accepted: 02/11/2022] [Indexed: 11/16/2022] Open
Abstract
While the reversible attachment of artificial structures underwater has moved into the focus of many recent publications, the ability of organisms to walk on and attach to surfaces underwater remains almost unstudied. Here, we describe the behaviour of the water-lily leaf beetle Galerucella nymphaeae when it adheres to surfaces underwater and compare its attachment properties on hydrophilic and hydrophobic surfaces underwater and in the air. The beetles remained attached to horizontal leaves underwater for a few minutes and then detached. When the leaf was inclined, the beetles started to move upward immediately. There was no difference in the size of the tarsal air bubble visible beneath the beetles’ tarsi underwater, between a hydrophilic (54° contact angle of water) and a hydrophobic (99°) surface. The beetles gained the highest traction forces on a hydrophilic surface in the air, the lowest on a hydrophobic surface in air, and intermediate traction on both surfaces underwater. The forces measured on both surfaces underwater did not differ significantly. We discuss factors responsible for the observed effects and conclude that capillary forces on the tarsal air bubble might play a major role in the adhesion to the studied surfaces.
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13
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Cui Y, Yin L, Sun X, Zhang N, Gao N, Zhu G. A Universal and Reversible Wet Adhesive via Straightforward Aqueous Self-Assembly of Polyethylenimine and Polyoxometalate. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47155-47162. [PMID: 34565147 DOI: 10.1021/acsami.1c14231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The excellent adhesion of mussels under wet conditions has inspired the development of numerous catechol-based wet adhesives. Nevertheless, the performance of catechol-based wet adhesive suffers from the sensitivity toward temperature, pH, or oxidation stimuli. Therefore, it is of great significance to develop non-catechol-based wet adhesives to fully recapitulate nature's dynamic function. Herein, a novel type of non-catechol-based wet adhesive is reported, which is readily formed by self-assembly of commercially available branched polyethylenimine and phosphotungstic acid in aqueous solution through the combination of electrostatic interaction and hydrogen bonding. This wet adhesive shows reversible, tunable, and strong adhesion on diverse substrates and further exhibits high efficacy in promoting biological wound healing. During the healing of the wound, the as-prepared wet adhesive also possesses inherent antimicrobial properties, thus avoiding inflammations and infections due to microorganism accumulation.
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Affiliation(s)
- Yuexin Cui
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Liying Yin
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xiaoya Sun
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Ning Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Nan Gao
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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14
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Friedowitz S, Qin J. Reversible ion binding for polyelectrolytes with adaptive conformations. AIChE J 2021. [DOI: 10.1002/aic.17426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Sean Friedowitz
- Department of Chemical Engineering Stanford University Stanford California USA
| | - Jian Qin
- Department of Chemical Engineering Stanford University Stanford California USA
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15
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Ma C, Sun J, Li B, Feng Y, Sun Y, Xiang L, Wu B, Xiao L, Liu B, Petrovskii VS, Bin Liu, Zhang J, Wang Z, Li H, Zhang L, Li J, Wang F, Gӧstl R, Potemkin II, Chen D, Zeng H, Zhang H, Liu K, Herrmann A. Ultra-strong bio-glue from genetically engineered polypeptides. Nat Commun 2021; 12:3613. [PMID: 34127656 PMCID: PMC8203747 DOI: 10.1038/s41467-021-23117-9] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 03/19/2021] [Indexed: 12/23/2022] Open
Abstract
The development of biomedical glues is an important, yet challenging task as seemingly mutually exclusive properties need to be combined in one material, i.e. strong adhesion and adaption to remodeling processes in healing tissue. Here, we report a biocompatible and biodegradable protein-based adhesive with high adhesion strengths. The maximum strength reaches 16.5 ± 2.2 MPa on hard substrates, which is comparable to that of commercial cyanoacrylate superglue and higher than other protein-based adhesives by at least one order of magnitude. Moreover, the strong adhesion on soft tissues qualifies the adhesive as biomedical glue outperforming some commercial products. Robust mechanical properties are realized without covalent bond formation during the adhesion process. A complex consisting of cationic supercharged polypeptides and anionic aromatic surfactants with lysine to surfactant molar ratio of 1:0.9 is driven by multiple supramolecular interactions enabling such strong adhesion. We demonstrate the glue's robust performance in vitro and in vivo for cosmetic and hemostasis applications and accelerated wound healing by comparison to surgical wound closures.
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Affiliation(s)
- Chao Ma
- Department of Chemistry, Tsinghua University, Beijing, China.,Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands.,School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Jing Sun
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA.,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Bo Li
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Yang Feng
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Yao Sun
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Li Xiang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Baiheng Wu
- Institute of Process Equipment, College of energy engineering, Zhejiang University, Hangzhou, China
| | - Lingling Xiao
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Baimei Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Vladislav S Petrovskii
- Physics Department, Lomonosov Moscow State University, Moscow, Russian Federation.,N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russian Federation
| | - Bin Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Jinrui Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Zili Wang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Hongyan Li
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands.,DWI - Leibniz Institute for Interactive Materials, Aachen, Germany
| | - Lei Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Jingjing Li
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Fan Wang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Robert Gӧstl
- DWI - Leibniz Institute for Interactive Materials, Aachen, Germany
| | - Igor I Potemkin
- Physics Department, Lomonosov Moscow State University, Moscow, Russian Federation.,DWI - Leibniz Institute for Interactive Materials, Aachen, Germany.,National Research South Ural State University, Chelyabinsk, Russian Federation
| | - Dong Chen
- Institute of Process Equipment, College of energy engineering, Zhejiang University, Hangzhou, China
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Hongjie Zhang
- Department of Chemistry, Tsinghua University, Beijing, China.,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Kai Liu
- Department of Chemistry, Tsinghua University, Beijing, China. .,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China.
| | - Andreas Herrmann
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands. .,DWI - Leibniz Institute for Interactive Materials, Aachen, Germany. .,Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen, Germany.
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Zhong Y, Zhao X, Li G, Zhang D, Wang D. Mussel-inspired hydrogels as tissue adhesives for hemostasis with fast-forming and self-healing properties. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110361] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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17
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Huggett MJ, Carpizo-Ituarte EJ, Nedved BT, Hadfield MG. Formation and Function of the Primary Tube During Settlement and Metamorphosis of the Marine Polychaete Hydroides elegans (Haswell, 1883) (Serpulidae). THE BIOLOGICAL BULLETIN 2021; 240:82-94. [PMID: 33939944 DOI: 10.1086/713623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
AbstractThe serpulid polychaete Hydroides elegans has emerged as a major model organism for studies of marine invertebrate settlement and metamorphosis and for processes involved in marine biofouling. Rapid secretion of an enveloping, membranous, organic primary tube provides settling larvae of H. elegans firm adhesion to a surface and a refuge within which to complete metamorphosis. While this tube is never calcified, it forms the template from which the calcified tube is produced at its anterior end. Examination of scanning and transmission electron micrographs of competent and settling larvae revealed that the tube is secreted from epidermal cells of the three primary segments, with material possibly transported through the larval cuticle via abundant microvilli. The tube is composed of complexly layered fibrous material that has an abundance of the amino acids that characterize the collagenous cuticle of other polychaetes, plus associated carbohydrates. The significance of the dependence on surface bacterial biofilms for stimulating settlement in this species is revealed as a complex interaction between primary tube material, as it is secreted, and the extracellular polymeric substances abundantly produced by biofilm-residing bacteria. This association appears to provide the settling larvae with an adhesion strength similar to that of bacteria in a biofilm and significantly less when larvae settle on a clean surface.
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Domínguez-Pérez D, Almeida D, Wissing J, Machado AM, Jänsch L, Antunes A, Castro LF, Vasconcelos V, Campos A, Cunha I. Proteogenomic Characterization of the Cement and Adhesive Gland of the Pelagic Gooseneck Barnacle Lepas anatifera. Int J Mol Sci 2021; 22:ijms22073370. [PMID: 33806079 PMCID: PMC8037658 DOI: 10.3390/ijms22073370] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 02/06/2023] Open
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 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.
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Affiliation(s)
- Dany Domínguez-Pérez
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
| | - Daniela Almeida
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
| | - Josef Wissing
- Cellular Proteomics Research, Helmholtz Centre for Infection Research, Inhoffenstraße. 7, 38124 Braunschweig, Germany; (J.W.); (L.J.)
| | - André M. Machado
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
| | - Lothar Jänsch
- Cellular Proteomics Research, Helmholtz Centre for Infection Research, Inhoffenstraße. 7, 38124 Braunschweig, Germany; (J.W.); (L.J.)
| | - Agostinho Antunes
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Luís Filipe Castro
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Vitor Vasconcelos
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Alexandre Campos
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
| | - Isabel Cunha
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (A.A.); (L.F.C.); (V.V.); (A.C.)
- Correspondence: ; Tel.: +351-22-340-1800; Fax: +351-22-339-0608
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Structural and physical analysis of underwater silk from housing nest composites of a tropical chironomid midge. Int J Biol Macromol 2020; 163:934-942. [DOI: 10.1016/j.ijbiomac.2020.07.070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/07/2020] [Accepted: 07/07/2020] [Indexed: 02/04/2023]
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20
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Lefevre M, Flammang P, Aranko AS, Linder MB, Scheibel T, Humenik M, Leclercq M, Surin M, Tafforeau L, Wattiez R, Leclère P, Hennebert E. Sea star-inspired recombinant adhesive proteins self-assemble and adsorb on surfaces in aqueous environments to form cytocompatible coatings. Acta Biomater 2020; 112:62-74. [PMID: 32502634 DOI: 10.1016/j.actbio.2020.05.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 11/28/2022]
Abstract
Sea stars adhere to various underwater substrata using an efficient protein-based adhesive secretion. The protein Sfp1 is a major component of this secretion. In the natural glue, it is cleaved into four subunits (Sfp1 Alpha, Beta, Delta and Gamma) displaying specific domains which mediate protein-protein or protein-carbohydrate interactions. In this study, we used the bacterium E. coli to produce recombinantly two fragments of Sfp1 comprising most of its functional domains: the C-terminal part of the Beta subunit (rSfp1 Beta C-term) and the Delta subunit (rSfp1 Delta). Using native polyacrylamide gel electrophoresis and size exclusion chromatography, we show that the proteins self-assemble and form oligomers and aggregates in the presence of NaCl. Moreover, they adsorb onto glass and polystyrene upon addition of Na+ and/or Ca2+ ions, forming homogeneous coatings or irregular meshworks, depending on the cation species and concentration. We show that coatings made of each of the two proteins have no cytotoxic effects on HeLa cells and even increase their proliferation. We propose that the Sfp1 recombinant protein coatings are valuable new materials with potential for cell culture or biomedical applications. STATEMENT OF SIGNIFICANCE: Biological adhesives offer impressive performance in their natural context and, therewith, the potential to inspire the development of advanced biomaterials for an increasing variety of applications in medicine or in material sciences. To date, most marine adhesive proteins that have been produced recombinantly in order to develop bio-inspired adhesives are small proteins from mussels and barnacles. Here, we produced two multi-modular proteins based on the sequence of Sfp1, a major protein from sea star adhesive secretion. These two proteins comprise most of Sfp1 functional domains which mediate protein-protein and protein-carbohydrate interactions. We characterized the two recombinant proteins with an emphasis on functional characteristics such as self-assembly, adsorption and cytocompatibility. We discuss their potential as biomaterials.
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Affiliation(s)
- Mathilde Lefevre
- Laboratory of Cell Biology, Research Institute for Biosciences, University of Mons, Place du Parc 23, 7000 Mons, Belgium; Laboratory for Chemistry of Novel Materials, Research Institute for Materials, Center for Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Patrick Flammang
- Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - A Sesilja Aranko
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16100, FI-02150 Espoo, Finland
| | - Markus B Linder
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16100, FI-02150 Espoo, Finland
| | - Thomas Scheibel
- Department of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof.-Rüdiger-Bormann Str.1, 95447 Bayreuth, Germany
| | - Martin Humenik
- Department of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof.-Rüdiger-Bormann Str.1, 95447 Bayreuth, Germany
| | - Maxime Leclercq
- Laboratory for Chemistry of Novel Materials, Research Institute for Materials, Center for Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Mathieu Surin
- Laboratory for Chemistry of Novel Materials, Research Institute for Materials, Center for Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Lionel Tafforeau
- Laboratory of Cell Biology, Research Institute for Biosciences, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Ruddy Wattiez
- Laboratory of Proteomics and Microbiology, Research Institute for Biosciences, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Philippe Leclère
- Laboratory for Chemistry of Novel Materials, Research Institute for Materials, Center for Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Elise Hennebert
- Laboratory of Cell Biology, Research Institute for Biosciences, University of Mons, Place du Parc 23, 7000 Mons, Belgium.
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21
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Bioinspired synthetic wet adhesives: from permanent bonding to reversible regulation. Curr Opin Colloid Interface Sci 2020. [DOI: 10.1016/j.cocis.2019.11.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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22
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Domínguez-Pérez D, Almeida D, Wissing J, Machado AM, Jänsch L, Castro LF, Antunes A, Vasconcelos V, Campos A, Cunha I. The Quantitative Proteome of the Cement and Adhesive Gland of the Pedunculate Barnacle, Pollicipes pollicipes. Int J Mol Sci 2020; 21:E2524. [PMID: 32260514 PMCID: PMC7177777 DOI: 10.3390/ijms21072524] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 12/25/2022] Open
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. 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.
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Affiliation(s)
- Dany Domínguez-Pérez
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
| | - Daniela Almeida
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
| | - Josef Wissing
- Cellular Proteomics Research, Helmholtz Centre for Infection Research, Inhoffenstraße. 7, 38124 Braunschweig, Germany; (J.W.); (L.J.)
| | - André M. Machado
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
| | - Lothar Jänsch
- Cellular Proteomics Research, Helmholtz Centre for Infection Research, Inhoffenstraße. 7, 38124 Braunschweig, Germany; (J.W.); (L.J.)
| | - Luís Filipe Castro
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Agostinho Antunes
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Vitor Vasconcelos
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
| | - Alexandre Campos
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
| | - Isabel Cunha
- CIIMAR–Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua General Norton de Matos s/n, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; (D.D.-P.); (D.A.); (A.M.M.); (L.F.C.); (A.A.); (V.V.); (A.C.)
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Li X, Deng Y, Lai J, Zhao G, Dong S. Tough, Long-Term, Water-Resistant, and Underwater Adhesion of Low-Molecular-Weight Supramolecular Adhesives. J Am Chem Soc 2020; 142:5371-5379. [DOI: 10.1021/jacs.0c00520] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xing Li
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P.R. China
| | - Yan Deng
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P.R. China
| | - Jinlei Lai
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P.R. China
| | - Gai Zhao
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China
| | - Shengyi Dong
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P.R. China
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24
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Wang F, Xu X, Zhao S. Complex Coacervation in Asymmetric Solutions of Polycation and Polyanion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:15267-15274. [PMID: 31665885 DOI: 10.1021/acs.langmuir.9b02787] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We study coacervation upon mixing two aqueous solutions of polyelectrolytes (PEs) with opposite charge, by considering asymmetric effects of PE composition and charge valency. The phase behavior, interfacial structure, and coacervate composition are investigated by a classical density-functional theory. We find two types of coacervation that are different in their density. Supernatant phase in low-density coacervation (LDCA) fully consists of small ions, while in high-density coacervation (HDCA) it contains a considerable amount of PE chains. Asymmetric PE composition could generate an electric double layer at the interface of coacervate. For HDCA, ion density changes monotonically, while for LDCA it shows a global minimum at the double layer, giving a low tension value. Charged species of high charge valency enhance the existence of double layer. Our results explained the coacervate structure of low interfacial tension, which is important for experiments and industrial applications.
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Affiliation(s)
- Fuhan Wang
- Center for Soft Condensed Matter Physics and Interdisciplinary Research , Soochow University , Suzhou , Jiangsu 215006 , China
| | - Xiaofei Xu
- State Key Laboratory of Chemical Engineering and School of Chemical Engineering , East China University of Science and Technology , 200237 Shanghai , China
| | - Shuangliang Zhao
- State Key Laboratory of Chemical Engineering and School of Chemical Engineering , East China University of Science and Technology , 200237 Shanghai , China
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25
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Israeli B, Vaserman L, Amiram M. Multi‐Site Incorporation of Nonstandard Amino Acids into Protein‐Based Biomaterials. Isr J Chem 2019. [DOI: 10.1002/ijch.201900043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Bar Israeli
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering Ben-Gurion University of the Negev Beer-Sheva Israel
| | - Livne Vaserman
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering Ben-Gurion University of the Negev Beer-Sheva Israel
| | - Miriam Amiram
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering Ben-Gurion University of the Negev Beer-Sheva Israel
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26
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Heichel DL, Burke KA. Dual-Mode Cross-Linking Enhances Adhesion of Silk Fibroin Hydrogels to Intestinal Tissue. ACS Biomater Sci Eng 2019; 5:3246-3259. [PMID: 33405568 DOI: 10.1021/acsbiomaterials.9b00786] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Compared to conventional wound closure methods like sutures and staples, polymer-based tissue adhesives afford some distinct advantages, such as greater ease of deployment in spatially constrained surgical sites. One way to achieve aqueous adhesion is by introducing catechol functional groups that form coordinate and covalent bonds with a variety of substrates. This approach, inspired by marine organisms, has been applied to biopolymers and synthetic polymers, but one key challenge is that compositions that are soluble in water are often susceptible to high swelling ratios that can result in undesired compression of neighboring tissues. This work sought to synthesize aqueous adhesive gels that are capable of two modes of association: (1) adhesion and covalent cross-linking reactions arising from catechol oxidation and (2) noncovalent cross-linking arising from self-assembly of polymer backbones within the gelled adhesive. The network's self-assembly after gelation was envisioned to afford control over swelling and reinforce its strength. Bombyx mori silk fibroin was selected as the backbone of the adhesive network because it can be processed into an aqueous solution yet later be rendered insoluble in water through the assembly of its hydrophobic protein core. Distinct from a previous approach to functionalize silk directly with catechol groups, this work investigated in situ generation of catechol on silk fibroin by enzymatically modifying phenolic side chains, where it was found that this enzymatic approach led to conjugates with higher degrees of catechol functionalization and aqueous solubility. Silk fibroin was functionalized with tyramine to enrich the protein's phenolic side chains, which were subsequently oxidized into catechol groups using mushroom tyrosinase (MT). The gelation of the silk conjugates with MT was monitored by rheology, and the gels exhibited low water uptake. Phenolic enrichment increased the rate of chemical cross-linking leading to gelation but did not interrupt assembly of silk's secondary structures. Adhesion of the tyramine-silk conjugates to porcine intestine was found to be superior to fibrin sealant, and induction of β sheet secondary structures was found to further enhance adhesive strength through a second mode of cross-linking. Neither the chemical functionalization nor phenol oxidation affected the ability of intestinal epithelial cells (Caco-2) to attach and proliferate. Phenolic functionalization and oxidative cross-linking of silk fibroin was found to afford a new route to water-soluble, catechol-functionalized polymers, which were found to display excellent adhesion to mucosal tissue and whose secondary structure provides an additional mode to control strength and swelling of adhesive gels.
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Affiliation(s)
- Danielle L Heichel
- Polymer Program, Institute of Materials Science, University of Connecticut, 97 North Eagleville Road Unit 3136, Storrs, Connecticut 06269-3136, United States
| | - Kelly A Burke
- Polymer Program, Institute of Materials Science, University of Connecticut, 97 North Eagleville Road Unit 3136, Storrs, Connecticut 06269-3136, United States.,Department of Chemical and Biomolecular Engineering, University of Connecticut, 191 Auditorium Road Unit 3222, Storrs, Connecticut 06269-3222, United States.,Department of Biomedical Engineering, University of Connecticut, 260 Glenbrook Road Unit 3247, Storrs, Connecticut 06269-3247, United States
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Machado AM, Sarropoulou E, Castro LFC, Vasconcelos V, Cunha I. An important resource for understanding bio-adhesion mechanisms: Cement gland transcriptomes of two goose barnacles, Pollicipes pollicipes and Lepas anatifera (Cirripedia, Thoracica). Mar Genomics 2019. [DOI: 10.1016/j.margen.2018.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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28
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Affiliation(s)
- Yoshihiro Ito
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Emergent Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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29
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Li X, Zheng T, Liu X, Du Z, Xie X, Li B, Wu L, Li W. Coassembly of Short Peptide and Polyoxometalate into Complex Coacervate Adapted for pH and Metal Ion-Triggered Underwater Adhesion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4995-5003. [PMID: 30892902 DOI: 10.1021/acs.langmuir.9b00273] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The fabrication of peptide assemblies to mimic the functions of natural proteins represents an intriguing aim in the fields of soft materials. Herein, we present a kind of novel peptide-based adhesive coacervate for the exploration of the environment-responsive underwater adhesion. Adhesive coacervates are designed and synthesized by self-assembled condensation of a tripeptide and polyoxometalates in aqueous solution. Rheological measurements demonstrate that the adhesive coacervates exhibit shear thinning behavior, which allows them to be conveniently delivered for interfacial spreading through a narrow gauge syringe without high pressure. The complex coacervates are susceptible to pH and metal ions, resulting in the occurrence of a phase transition from the fluid phase to the gel state. Scanning electron microscopy demonstrates that the microscale structures of the gel-like phases are composed of interconnected three-dimensional porous networks. The rheological study reveals that the gel-like assemblies exhibited mechanical stiffness and self-healing properties. Interestingly, the gel-like samples show the capacity to adhere to various wet solid substrates under the waterline. The adhesion strength of the peptide-based gel is quantified by lap shear mechanical analysis. The fluid coacervate is further exploited in the preparation of "on-site" injectable underwater adhesives triggered by environmental factors. This finding is exciting and serves to expand our capability for the fabrication of peptide-based underwater adhesives in a controllable way.
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Affiliation(s)
- Xiangyi Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Tingting Zheng
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Xiaohuan Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Zhanglei Du
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Xiaoming Xie
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Qianjin Avenue 2699 , Changchun 130012 , China
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30
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Rocha M, Antas P, Castro LFC, Campos A, Vasconcelos V, Pereira F, Cunha I. Comparative Analysis of the Adhesive Proteins of the Adult Stalked Goose Barnacle Pollicipes pollicipes (Cirripedia: Pedunculata). MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2019; 21:38-51. [PMID: 30413912 DOI: 10.1007/s10126-018-9856-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/14/2018] [Indexed: 06/08/2023]
Abstract
Adhesion in barnacles is still poorly understood. The cement gland secretes an insoluble multi-protein complex, which adheres very strongly to a variety of substrates in the presence of water. This adhesion mechanism is bioinspiring for the engineering of new adhesive materials, but to replicate this adhesive system, the genes coding for the cement constitutive proteins must be identified and elucidated, and their products characterised. Here, the complete sequences of three cement protein (CP) genes (CP-100K, CP-52K, and CP-19K) isolated from the cement gland of the stalked barnacle Pollicipes pollicipes (order Scalpelliformes) were obtained using RACE PCR. The three genes were compared to the 23 other acorn barnacle CP genes so far sequenced (order Sessilia) to determine common and differential patterns and molecular properties, since the adhesives of both orders have visibly different characteristics. A shotgun proteomic analysis was performed on the cement, excreted at the membranous base of specimens, where the products of the three genes sequenced in the gland were identified, validating their function as CPs. A principal component analysis (PCA) was performed, to cluster CPs into groups with similar amino acid composition. This analysis uncovered three CP groups, each characterised by similar residue composition, features in secondary structure, and some biochemical properties, including isoelectric point and residue accessibility to solvents. The similarity among proteins in each defined group was low despite comparable amino acid composition. PCA can identify putative adhesive proteins from NGS transcriptomic data regardless of their low homology. This analysis did not highlight significant differences in residue composition between homologous acorn and stalked barnacle CPs. The characteristics responsible for the structural differences between the cement of stalked and acorn barnacles are described, and the presence of nanostructures, such as repetitive homologous domains and low complexity regions, and repetitive β-sheets are discussed relatively to self-assembly and adhesion.
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Affiliation(s)
- Miguel Rocha
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
- FCUP - Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Paulo Antas
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
| | - L Filipe C Castro
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
- FCUP - Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Alexandre Campos
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
| | - Vítor Vasconcelos
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
- FCUP - Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Filipe Pereira
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal.
| | - Isabel Cunha
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal.
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31
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Xu P, Dai X, Wang D, Miao Y, Zhang X, Wang S, Teng L, Dong B, Bao Z, Wang S, Lyu Q, Liu W. The discovered chimeric protein plays the cohesive role to maintain scallop byssal root structural integrity. Sci Rep 2018; 8:17082. [PMID: 30459329 PMCID: PMC6244088 DOI: 10.1038/s41598-018-35265-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 10/31/2018] [Indexed: 01/06/2023] Open
Abstract
Adhesion is essential for many marine sessile organisms. Unraveling the compositions and assembly of marine bioadheisves is the fundamental to understand their physiological roles. Despite the remarkable diversity of animal bioadhesion, our understanding of this biological process remains limited to only a few animal lineages, leaving the majority of lineages remain enigmatic. Our previous study demonstrated that scallop byssus had distinct protein composition and unusual assembly mechanism apart from mussels. Here a novel protein (Sbp9) was discovered from the key part of the byssus (byssal root), which contains two Calcium Binding Domain (CBD) and 49 tandem Epidermal Growth Factor-Like (EGFL) domain repeats. Modular architecture of Sbp9 represents a novel chimeric gene family resulting from a gene fusion event through the acquisition of CBD2 domain by tenascin like (TNL) gene from Na+/Ca2+exchanger 1 (NCX1) gene. Finally, free thiols are present in Sbp9 and the results of a rescue assay indicated that Sbp9 likely plays the cohesive role for byssal root integrity. This study not only aids our understanding of byssus assembly but will also inspire biomimetic material design.
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Affiliation(s)
- Pingping Xu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiaoting Dai
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Dandan Wang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Yan Miao
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xiaokang Zhang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Shuoshuo Wang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Luyao Teng
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Bo Dong
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Zhenmin Bao
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Shi Wang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Qianqian Lyu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China. .,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
| | - Weizhi Liu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China. .,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
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32
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Affiliation(s)
- Sneha Rathi
- Department of Pharmaceutics; National Institute of Pharmaceutical Education and Research (NIPER); Hyderabad 500037 India
| | - Raju Saka
- Department of Pharmaceutics; National Institute of Pharmaceutical Education and Research (NIPER); Hyderabad 500037 India
| | - Abraham J. Domb
- School of Pharmacy-Faculty of Medicine; The Hebrew University of Jerusalem; Jerusalem 91120 Israel
| | - Wahid Khan
- Department of Pharmaceutics; National Institute of Pharmaceutical Education and Research (NIPER); Hyderabad 500037 India
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33
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Brennan MJ, Hollingshead SE, Wilker JJ, Liu JC. Critical factors for the bulk adhesion of engineered elastomeric proteins. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171225. [PMID: 29892346 PMCID: PMC5990844 DOI: 10.1098/rsos.171225] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 04/03/2018] [Indexed: 06/08/2023]
Abstract
Many protein-based materials, such as soy and mussel adhesive proteins, have been the subject of scientific and commercial interest. Recently, a variety of protein adhesives have been isolated from diverse sources such as insects, frogs and squid ring teeth. Many of these adhesives have similar amino acid compositions to elastomeric proteins such as elastin. Although elastin is widely investigated for a structural biomaterial, little work has been done to assess its adhesive potential. In this study, recombinant elastin-like polypeptides were created to probe the factors affecting adhesion strength. Lap shear adhesion was used to examine the effects of both extrinsic factors (pH, concentration, cross-linker, humidity, cure time and cure temperature) and intrinsic factors (protein sequence, structure and molecular weight). Of the extrinsic factors tested, only humidity, cure time and cure temperature had a significant effect on adhesion strength. As water content was reduced, adhesion strength increased. Of the intrinsic factors tested, amino acid sequence did not significantly affect adhesion strength, but less protein structure and higher molecular weights increased adhesion strength directly. The strengths of proteins in this study (greater than 2 MPa) were comparable to or higher than those of two commercially available protein-based adhesives, hide glue and a fibrin sealant. These results may provide general rules for the design of adhesives from elastomeric proteins.
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Affiliation(s)
- M. Jane Brennan
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Sydney E. Hollingshead
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Jonathan J. Wilker
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
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34
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Yoshihara LM, Arêas EP. Protein/polyelectrolyte coacervation: Investigating its occurrence in the lysozyme- carboxymethylcellulose system. Biophys Chem 2018. [DOI: 10.1016/j.bpc.2018.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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35
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Narkar AR, Kelley JD, Pinnaratip R, Lee BP. Effect of Ionic Functional Groups on the Oxidation State and Interfacial Binding Property of Catechol-Based Adhesive. Biomacromolecules 2017; 19:1416-1424. [PMID: 29125290 DOI: 10.1021/acs.biomac.7b01311] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Adhesive hydrogels were prepared by copolymerizing dopamine methacrylamide with either acrylic acid (AAc) or N-(3-aminopropyl)methacrylamide hydrochloride (APMH). The effect of incorporating the anionic and cationic side chains on the oxidation state of catechol was characterized using the FOX assay to track the production of hydrogen peroxide byproduct generated during the autoxidation of catechol, and the interfacial binding property of the adhesive was determined by performing Johnson-Kendall-Roberts contact mechanics tests tested over a wide range of pH values (pH 3.0-9.0). The ionic species contributed to interfacial binding to surfaces with the opposite charge with measured work of adhesion values that were comparable to or in some cases higher than those of catechol. Addition of AAc minimized the oxidation of catechol even at a pH of 8.5 and correspondingly preserved the elevated adhesive property of catechol to both quartz and amine-functionalized surfaces. However, AAc lost its buffering capacity at pH 9.0, and catechol was oxidized at this pH. On the other hand, catechol formed a cohesive covalent bond with the network-bound amine side chain of APMH at basic pH, which interfered with the interfacial binding capability of APMH and the catechol.
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Affiliation(s)
- Ameya R Narkar
- Department of Biomedical Engineering , Michigan Technological University , Houghton , Michigan 49931 , United States
| | - Jonathan D Kelley
- Department of Biomedical Engineering , Michigan Technological University , Houghton , Michigan 49931 , United States
| | - Rattapol Pinnaratip
- Department of Biomedical Engineering , Michigan Technological University , Houghton , Michigan 49931 , United States
| | - Bruce P Lee
- Department of Biomedical Engineering , Michigan Technological University , Houghton , Michigan 49931 , United States
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36
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Xu J, Li X, Li X, Li B, Wu L, Li W, Xie X, Xue R. Supramolecular Copolymerization of Short Peptides and Polyoxometalates: toward the Fabrication of Underwater Adhesives. Biomacromolecules 2017; 18:3524-3530. [DOI: 10.1021/acs.biomac.7b00817] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jing Xu
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Xiangyi Li
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Xiaodong Li
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Bao Li
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Lixin Wu
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Wen Li
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Xiaoming Xie
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Qianjin Avenue 2699, Changchun 130012, China
| | - Rong Xue
- National
Analytical Research Center of Electrochemistry and Spectroscopy, Changchun
Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
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37
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von Byern J, Mebs D, Heiss E, Dicke U, Wetjen O, Bakkegard K, Grunwald I, Wolbank S, Mühleder S, Gugerell A, Fuchs H, Nürnberger S. Salamanders on the bench – A biocompatibility study of salamander skin secretions in cell cultures. Toxicon 2017; 135:24-32. [DOI: 10.1016/j.toxicon.2017.05.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 05/22/2017] [Accepted: 05/23/2017] [Indexed: 11/28/2022]
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38
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Xu J, Li X, Li J, Li X, Li B, Wang Y, Wu L, Li W. Wet and Functional Adhesives from One-Step Aqueous Self-Assembly of Natural Amino Acids and Polyoxometalates. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703774] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jing Xu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiaodong Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Jingfang Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiangyi Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Yang Wang
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
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39
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Xu J, Li X, Li J, Li X, Li B, Wang Y, Wu L, Li W. Wet and Functional Adhesives from One-Step Aqueous Self-Assembly of Natural Amino Acids and Polyoxometalates. Angew Chem Int Ed Engl 2017; 56:8731-8735. [DOI: 10.1002/anie.201703774] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Jing Xu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiaodong Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Jingfang Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Xiangyi Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Yang Wang
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
| | - Wen Li
- State Key Laboratory of Supramolecular Structure and Materials; Institute of Theoretical Chemistry; Jilin University; Qianjin Avenue 2699 Changchun 130012 China
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Abstract
Silk is a protein-based material which is predominantly produced by insects and spiders. Hundreds of millions of years of evolution have enabled these animals to utilize different, highly adapted silk types in a broad variety of applications. Silk occurs in several morphologies, such as sticky glue or in the shape of fibers and can, depending on the application by the respective animal, dissipate a high mechanical energy, resist heat and radiation, maintain functionality when submerged in water and withstand microbial settling. Hence, it's unsurprising that silk piqued human interest a long time ago, which catalyzed the domestication of silkworms for the production of silk to be used in textiles. Recently, scientific progress has enabled the development of analytic tools to gain profound insights into the characteristics of silk proteins. Based on these investigations, the biotechnological production of artificial and engineered silk has been accomplished, which allows the production of a sufficient amount of silk materials for several industrial applications. This chapter provides a review on the biotechnological production of various silk proteins from different species, as well as on the processing techniques to fabricate application-oriented material morphologies.
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Affiliation(s)
- Gregor Lang
- Research Group Biopolymer Processing, University of Bayreuth, Universitätsstr. 30, 95440, Bayreuth, Germany
| | - Heike Herold
- Department of Biomaterials, University of Bayreuth, Universitätsstr. 30, 95440, Bayreuth, Germany
| | - Thomas Scheibel
- Department of Biomaterials, University of Bayreuth, Universitätsstr. 30, 95440, Bayreuth, Germany.
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41
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Blocher WC, Perry SL. Complex coacervate-based materials for biomedicine. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2016; 9. [DOI: 10.1002/wnan.1442] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 09/10/2016] [Accepted: 10/02/2016] [Indexed: 02/06/2023]
Affiliation(s)
- Whitney C. Blocher
- Department of Chemical Engineering; University of Massachusetts Amherst; Amherst MA USA
| | - Sarah L. Perry
- Department of Chemical Engineering; University of Massachusetts Amherst; Amherst MA USA
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Harris TI, Gaztambide DA, Day BA, Brock CL, Ruben AL, Jones JA, Lewis RV. Sticky Situation: An Investigation of Robust Aqueous-Based Recombinant Spider Silk Protein Coatings and Adhesives. Biomacromolecules 2016; 17:3761-3772. [PMID: 27704788 DOI: 10.1021/acs.biomac.6b01267] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The mechanical properties and biocompatibility of spider silks have made them one of the most sought after and studied natural biomaterials. A biomimetic process has been developed that uses water to solvate purified recombinant spider silk proteins (rSSps) prior to material formation. The absence of harsh organic solvents increases cost effectiveness, safety, and decreases the environmental impact of these materials. This development allows for the investigation of aqueous-based rSSps as coatings and adhesives and their potential applications. In these studies it was determined that fiber-based rSSps in nonfiber formations have the capability to coat and adhere numerous substrates, whether rough, smooth, hydrophobic, or hydrophilic. Further, these materials can be functionalized for a variety of processes. Drug-eluting coatings have been made with the capacity to release a variety of compounds in addition to their inherent ability to prevent blood clotting and biofouling. Additionally, spider silk protein adhesives are strong enough to outperform some conventional glues and still display favorable tissue implantation properties. The physical properties, corresponding capabilities, and potential applications of these nonfibrous materials were characterized in this study. Mechanical properties, ease of manufacturing, biodegradability, biocompatibility, and functionality are the hallmarks of these revolutionary spider silk protein materials.
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Affiliation(s)
- Thomas I Harris
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Danielle A Gaztambide
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Breton A Day
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Cameron L Brock
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Ashley L Ruben
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Justin A Jones
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
| | - Randolph V Lewis
- Departments of Biological Engineering, §Biology, and ∥Nutrition, Dietetics, and Food Sciences, Utah State University , Logan, Utah 84322, United States
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43
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Bhagat V, O’Brien E, Zhou J, Becker ML. Caddisfly Inspired Phosphorylated Poly(ester urea)-Based Degradable Bone Adhesives. Biomacromolecules 2016; 17:3016-24. [DOI: 10.1021/acs.biomac.6b00875] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vrushali Bhagat
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Emily O’Brien
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Jinjun Zhou
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Matthew L. Becker
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
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Abstract
During the first step of biofilm formation, initial attachment is dictated by physicochemical and electrostatic interactions between the surface and the bacterial envelope. Depending on the nature of these interactions, attachment can be transient or permanent. To achieve irreversible attachment, bacterial cells have developed a series of surface adhesins promoting specific or nonspecific adhesion under various environmental conditions. This article reviews the recent advances in our understanding of the secretion, assembly, and regulation of the bacterial adhesins during biofilm formation, with a particular emphasis on the fimbrial, nonfimbrial, and discrete polysaccharide adhesins in Gram-negative bacteria.
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Clancy SK, Sodano A, Cunningham DJ, Huang SS, Zalicki PJ, Shin S, Ahn BK. Marine Bioinspired Underwater Contact Adhesion. Biomacromolecules 2016; 17:1869-74. [DOI: 10.1021/acs.biomac.6b00300] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sean K. Clancy
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Antonio Sodano
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Dylan J. Cunningham
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Sharon S. Huang
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Piotr J. Zalicki
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Seunghan Shin
- Green
Materials and Process Group, Korea Institute of Industrial Technology, Cheonan, Chungnam 31056, South Korea
| | - B. Kollbe Ahn
- Marine
Science Institute, University of California Santa Barbara, Santa Barbara, California 93106, United States
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46
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Gao A, Wu Q, Wang D, Ha Y, Chen Z, Yang P. A Superhydrophobic Surface Templated by Protein Self-Assembly and Emerging Application toward Protein Crystallization. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:579-87. [PMID: 26607764 DOI: 10.1002/adma.201504769] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 10/10/2015] [Indexed: 05/06/2023]
Abstract
A proteinaceous superhydrophobic material for facile protein crystallization is reported. The lysozyme phase transition is rationally manipulated to form a reliable superhydrophobic coating on virtually arbitrary material surfaces with good thermostability and mechanical robustness. Such a surface exhibits a fascinating capability to drive protein crystallization, and the protein crystal array can be facilitated in a large area at an ultralow protein concentration.
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Affiliation(s)
- Aiting Gao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Qian Wu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Dehui Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Yuan Ha
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Zhijun Chen
- State Key Laboratory of Supramolecular Structure, Jilin University, Changchun, 130012, China
| | - Peng Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
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47
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Burke KA, Roberts DC, Kaplan DL. Silk Fibroin Aqueous-Based Adhesives Inspired by Mussel Adhesive Proteins. Biomacromolecules 2016; 17:237-45. [PMID: 26674175 PMCID: PMC5765759 DOI: 10.1021/acs.biomac.5b01330] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Silk fibroin from the domesticated silkworm Bombyx mori is a naturally occurring biopolymer with charged hydrophilic terminal regions that end-cap a hydrophobic core consisting of repeating sequences of glycine, alanine, and serine residues. Taking inspiration from mussels that produce proteins rich in L-3,4-dihydroxyphenylalanine (DOPA) to adhere to a variety of organic and inorganic surfaces, the silk fibroin was functionalized with catechol groups. Silk fibroin was selected for its high molecular weight, tunable mechanical and degradation properties, aqueous processability, and wide availability. The synthesis of catechol-functionalized silk fibroin polymers containing varying amounts of hydrophilic polyethylene glycol (PEG, 5000 g/mol) side chains was carried out to balance silk hydrophobicity with PEG hydrophilicity. The efficiency of the catechol functionalization reaction did not vary with PEG conjugation over the range studied, although tuning the amount of PEG conjugated was essential for aqueous solubility. Adhesive bonding and cell compatibility of the resulting materials were investigated, where it was found that incorporating as little as 6 wt % PEG prior to catechol functionalization resulted in complete aqueous solubility of the catechol conjugates and increased adhesive strength compared with silk lacking catechol functionalization. Furthermore, PEG-silk fibroin conjugates maintained their ability to form β-sheet secondary structures, which can be exploited to reduce swelling. Human mesenchymal stem cells (hMSCs) proliferated on the silks, regardless of PEG and catechol conjugation. These materials represent a protein-based approach to catechol-based adhesives, which we envision may find applicability as biodegradable adhesives and sealants.
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Affiliation(s)
- Kelly A. Burke
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
- Department of Chemical and Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Storrs, Connecticut 06269, United States
- Polymer Program, Institute of Materials Science, University of Connecticut, 97 North Eagleville Road, Storrs, Connecticut 06269, United States
| | - Dane C. Roberts
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
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48
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Miao Y, Zhang L, Sun Y, Jiao W, Li Y, Sun J, Wang Y, Wang S, Bao Z, Liu W. Integration of Transcriptomic and Proteomic Approaches Provides a Core Set of Genes for Understanding of Scallop Attachment. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2015; 17:523-532. [PMID: 26017775 DOI: 10.1007/s10126-015-9635-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 04/15/2015] [Indexed: 06/04/2023]
Abstract
Attachment is an essential physiological process in life histories of many marine organisms. Using a combination of transcriptomic and proteomic approach, scallop byssal proteins (Sbps) and their associated regulatory network genes were investigated for the first time. We built the first scallop foot transcriptome library, and 75 foot-specific genes were identified. Through integration of transcriptomic-proteomic approach, seven unique Sbps were identified. Of them, three showed significant amino acid sequence homology to known proteins. In contrast, the rest did not show significant protein matches, indicating they are possibly novel proteins. Our transcriptomic and proteomic analyses also suggest that post-translational modification may be one of the significant features for Sbps as well. Taken together, our study provides the first multidimensional collection of a core set of genes that may be potentially involved in scallop byssal attachment.
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Affiliation(s)
- Yan Miao
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
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Roberts S, Dzuricky M, Chilkoti A. Elastin-like polypeptides as models of intrinsically disordered proteins. FEBS Lett 2015; 589:2477-86. [PMID: 26325592 PMCID: PMC4599720 DOI: 10.1016/j.febslet.2015.08.029] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 08/18/2015] [Accepted: 08/19/2015] [Indexed: 01/01/2023]
Abstract
Elastin-like polypeptides (ELPs) are a class of stimuli-responsive biopolymers inspired by the intrinsically disordered domains of tropoelastin that are composed of repeats of the VPGXG pentapeptide motif, where X is a "guest residue". They undergo a reversible, thermally triggered lower critical solution temperature (LCST) phase transition, which has been utilized for a variety of applications including protein purification, affinity capture, immunoassays, and drug delivery. ELPs have been extensively studied as protein polymers and as biomaterials, but their relationship to other disordered proteins has heretofore not been established. The biophysical properties of ELPs that lend them their unique material behavior are similar to the properties of many intrinsically disordered proteins (IDP). Their low sequence complexity, phase behavior, and elastic properties make them an interesting "minimal" artificial IDP, and the study of ELPs can hence provide insights into the behavior of other more complex IDPs. Motivated by this emerging realization of the similarities between ELPs and IDPs, this review discusses the biophysical properties of ELPs, their biomedical utility, and their relationship to other disordered polypeptide sequences.
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50
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Liang C, Li Y, Liu Z, Wu W, Hu B. Protein Aggregation Formed by Recombinant cp19k Homologue of Balanus albicostatus Combined with an 18 kDa N-Terminus Encoded by pET-32a(+) Plasmid Having Adhesion Strength Comparable to Several Commercial Glues. PLoS One 2015; 10:e0136493. [PMID: 26317205 PMCID: PMC4552757 DOI: 10.1371/journal.pone.0136493] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 08/04/2015] [Indexed: 01/17/2023] Open
Abstract
The barnacle is well known for its tenacious and permanent attachment to a wide variety of underwater substrates, which is accomplished by synthesizing, secreting and curing a mixture of adhesive proteins termed “barnacle cement”. In order to evaluate interfacial adhesion abilities of barnacle cement proteins, the cp19k homologous gene in Balanus albicostatus (Balcp19k) was cloned and expressed in Escherichia coli. Here, we report an intriguing discovery of a gel-like super adhesive aggregation produced by Trx-Balcp19k, a recombinant Balcp19k fusion protein. The Trx-Balcp19k consists of an 18 kDa fragment at the N-terminus, which is encoded by pET-32a(+) plasmid and mainly comprised of a thioredoxin (Trx) tag, and Balcp19k at the C-terminus. The sticky aggregation was designated as “Trx-Balcp19k gel”, and the bulk adhesion strength, biochemical composition, as well as formation conditions were all carefully investigated. The Trx-Balcp19k gel exhibited strong adhesion strength of 2.10 ± 0.67 MPa, which was approximately fifty folds higher than that of the disaggregated Trx-Balcp19k (40 ± 8 kPa) and rivaled those of commercial polyvinyl acetate (PVA) craft glue (Mont Marte, Australia) and UHU glue (UHU GmbH & Co. KG, Germany). Lipids were absent from the Trx-Balcp19k gel and only a trace amount of carbohydrates was detected. We postulate that the electrostatic interactions play a key role in the formation of Trx-Balcp19k gel, by mediating self-aggregation of Trx-Balcp19k based on its asymmetric distribution pattern of charged amino acids. Taken together, we believe that our discovery not only presents a promising biological adhesive with potential applications in both biomedical and technical fields, but also provides valuable paradigms for molecular design of bio-inspired peptide- or protein-based materials.
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Affiliation(s)
- Chao Liang
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, China
| | - Yunqiu Li
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, China
| | - Zhiming Liu
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, China
| | - Wenjian Wu
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, China
- State Key Laboratory of NBC Protection for Civilian, Beijing, China
| | - Biru Hu
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, China
- * E-mail:
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