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Dias AMGC, Moreira IP, Lychko I, Lopes Soares C, Nurrito A, Moura Barbosa AJ, Lutz-Bueno V, Mezzenga R, Carvalho AL, Pina AS, Roque ACA. Hierarchical self-assembly of a reflectin-derived peptide. Front Chem 2023; 11:1267563. [PMID: 37810582 PMCID: PMC10552760 DOI: 10.3389/fchem.2023.1267563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/05/2023] [Indexed: 10/10/2023] Open
Abstract
Reflectins are a family of intrinsically disordered proteins involved in cephalopod camouflage, making them an interesting source for bioinspired optical materials. Understanding reflectin assembly into higher-order structures by standard biophysical methods enables the rational design of new materials, but it is difficult due to their low solubility. To address this challenge, we aim to understand the molecular self-assembly mechanism of reflectin's basic unit-the protopeptide sequence YMDMSGYQ-as a means to understand reflectin's assembly phenomena. Protopeptide self-assembly was triggered by different environmental cues, yielding supramolecular hydrogels, and characterized by experimental and theoretical methods. Protopeptide films were also prepared to assess optical properties. Our results support the hypothesis for the protopeptide aggregation model at an atomistic level, led by hydrophilic and hydrophobic interactions mediated by tyrosine residues. Protopeptide-derived films were optically active, presenting diffuse reflectance in the visible region of the light spectrum. Hence, these results contribute to a better understanding of the protopeptide structural assembly, crucial for the design of peptide- and reflectin-based functional materials.
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Affiliation(s)
- Ana Margarida Gonçalves Carvalho Dias
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Inês Pimentel Moreira
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Iana Lychko
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Cátia Lopes Soares
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Arianna Nurrito
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Arménio Jorge Moura Barbosa
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Viviane Lutz-Bueno
- Department of Health Sciences and Technology, ETH Zürich, Zürich, Switzerland
- Paul Scherrer Institute, Villigen, Switzerland
| | - Raffaele Mezzenga
- Department of Health Sciences and Technology, ETH Zürich, Zürich, Switzerland
| | - Ana Luísa Carvalho
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Ana Sofia Pina
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Ana Cecília Afonso Roque
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
- UCIBIO—Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal
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Coppola ME, Petritz A, Irimia CV, Yumusak C, Mayr F, Bednorz M, Matkovic A, Aslam MA, Saller K, Schwarzinger C, Ionita MD, Schiek M, Smeds AI, Salinas Y, Brüggemann O, D'Orsi R, Mattonai M, Ribechini E, Operamolla A, Teichert C, Xu C, Stadlober B, Sariciftci NS, Irimia‐Vladu M. Pinaceae Pine Resins (Black Pine, Shore Pine, Rosin, and Baltic Amber) as Natural Dielectrics for Low Operating Voltage, Hysteresis-Free, Organic Field Effect Transistors. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2300062. [PMID: 37745829 PMCID: PMC10517313 DOI: 10.1002/gch2.202300062] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/24/2023] [Indexed: 09/26/2023]
Abstract
Four pinaceae pine resins analyzed in this study: black pine, shore pine, Baltic amber, and rosin demonstrate excellent dielectric properties, outstanding film forming, and ease of processability from ethyl alcohol solutions. Their trap-free nature allows fabrication of virtually hysteresis-free organic field effect transistors operating in a low voltage window with excellent stability under bias stress. Such green constituents represent an excellent choice of materials for applications targeting biocompatibility and biodegradability of electronics and sensors, within the overall effort of sustainable electronics development and environmental friendliness.
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Affiliation(s)
| | - Andreas Petritz
- Joanneum Research ForschungsgesellschaftMaterialsFranz‐Pichler Str. Nr. 30Weiz8169Austria
| | - Cristian Vlad Irimia
- Joanneum Research ForschungsgesellschaftMaterialsFranz‐Pichler Str. Nr. 30Weiz8169Austria
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
| | - Cigdem Yumusak
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
| | - Felix Mayr
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
| | - Mateusz Bednorz
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
| | - Aleksandar Matkovic
- Chair of PhysicsDepartment of PhysicsMechanics and Electrical EngineeringMontanuniversität LeobenFranz Josef Str. 18Leoben8700Austria
| | - Muhammad Awais Aslam
- Chair of PhysicsDepartment of PhysicsMechanics and Electrical EngineeringMontanuniversität LeobenFranz Josef Str. 18Leoben8700Austria
| | - Klara Saller
- Institut for Chemical Technologies of Organic MaterialsJohannes Kepler University LinzAltenberger Str. Nr. 69Linz4040Austria
| | - Clemens Schwarzinger
- Institut for Chemical Technologies of Organic MaterialsJohannes Kepler University LinzAltenberger Str. Nr. 69Linz4040Austria
| | - Maria Daniela Ionita
- National Institute for LaserPlasma and Radiation PhysicsPO Box Mg‐36, MagureleBucharest077125Romania
| | - Manuela Schiek
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
- Johannes Kepler University LinzCenter for Surface and Nanoanalytics (ZONA) Altenberger Str. 69Linz4040Austria
| | - Annika I. Smeds
- Laboratory of Natural Materials Technology/Wood and Paper ChemistryÅbo Akademi UniversityPorthansgatan 3‐5, ÅboTurku20500Finland
| | - Yolanda Salinas
- Institute of Polymer ChemistryJohannes Kepler University LinzAltenberger Str. 69Linz4040Austria
| | - Oliver Brüggemann
- Institute of Polymer ChemistryJohannes Kepler University LinzAltenberger Str. 69Linz4040Austria
| | - Rosarita D'Orsi
- Department of Chemistry and Industrial ChemistryUniversity of Pisavia Moruzzi 13Pisa56124Italy
| | - Marco Mattonai
- Department of Chemistry and Industrial ChemistryUniversity of Pisavia Moruzzi 13Pisa56124Italy
| | - Erika Ribechini
- Department of Chemistry and Industrial ChemistryUniversity of Pisavia Moruzzi 13Pisa56124Italy
| | - Alessandra Operamolla
- Department of Chemistry and Industrial ChemistryUniversity of Pisavia Moruzzi 13Pisa56124Italy
| | - Christian Teichert
- Chair of PhysicsDepartment of PhysicsMechanics and Electrical EngineeringMontanuniversität LeobenFranz Josef Str. 18Leoben8700Austria
| | - Chunlin Xu
- Laboratory of Natural Materials Technology/Wood and Paper ChemistryÅbo Akademi UniversityPorthansgatan 3‐5, ÅboTurku20500Finland
| | - Barbara Stadlober
- Joanneum Research ForschungsgesellschaftMaterialsFranz‐Pichler Str. Nr. 30Weiz8169Austria
| | - Niyazi Serdar Sariciftci
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
| | - Mihai Irimia‐Vladu
- Joanneum Research ForschungsgesellschaftMaterialsFranz‐Pichler Str. Nr. 30Weiz8169Austria
- Johannes Kepler University LinzDept. Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz4040Austria
- Present address:
Mihai Irimia‐VladuJohannes Kepler University LinzInstitute of Physical ChemistryLinz Institute for Organic Solar Cells (LIOS)Altenberger Str. Nr. 69Linz40040Austria
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Song J, Li B, Zeng L, Ye Z, Wu W, Hu B. A Mini-Review on Reflectins, from Biochemical Properties to Bio-Inspired Applications. Int J Mol Sci 2022; 23:ijms232415679. [PMID: 36555320 PMCID: PMC9779258 DOI: 10.3390/ijms232415679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/23/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Some cephalopods (squids, octopuses, and cuttlefishes) produce dynamic structural colors, for camouflage or communication. The key to this remarkable capability is one group of specialized cells called iridocytes, which contain aligned membrane-enclosed platelets of high-reflective reflectins and work as intracellular Bragg reflectors. These reflectins have unusual amino acid compositions and sequential properties, which endows them with functional characteristics: an extremely high reflective index among natural proteins and the ability to answer various environmental stimuli. Based on their unique material composition and responsive self-organization properties, the material community has developed an impressive array of reflectin- or iridocyte-inspired optical systems with distinct tunable reflectance according to a series of internal and external factors. More recently, scientists have made creative attempts to engineer mammalian cells to explore the function potentials of reflectin proteins as well as their working mechanism in the cellular environment. Progress in wide scientific areas (biophysics, genomics, gene editing, etc.) brings in new opportunities to better understand reflectins and new approaches to fully utilize them. The work introduced the composition features, biochemical properties, the latest developments, future considerations of reflectins, and their inspiration applications to give newcomers a comprehensive understanding and mutually exchanged knowledge from different communities (e.g., biology and material).
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Affiliation(s)
- Junyi Song
- Correspondence: (J.S.); (B.H.); Tel.: +86-18969697729 (J.S.); +86-13308492461 (B.H.)
| | | | | | | | | | - Biru Hu
- Correspondence: (J.S.); (B.H.); Tel.: +86-18969697729 (J.S.); +86-13308492461 (B.H.)
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