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Journal articles on the topic 'Biopolymers – Biotechnology'

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Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Chow, Dominic, Michelle L. Nunalee, Dong Woo Lim, Andrew J. Simnick, and Ashutosh Chilkoti. "Peptide-based biopolymers in biomedicine and biotechnology." Materials Science and Engineering: R: Reports 62, no. 4 (September 2008): 125–55. http://dx.doi.org/10.1016/j.mser.2008.04.004.

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2

Davies, M. J. "Antibacterial biopolymers." Trends in Biotechnology 19, no. 4 (April 2001): 128. http://dx.doi.org/10.1016/s0167-7799(01)01617-1.

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3

Klivenko, A. N., B. Kh Mussabayeva, B. S. Gaisina, and A. N. Sabitova. "Biocompatible cryogels: preparation and application." Bulletin of the Karaganda University. "Chemistry" series 103, no. 3 (September 30, 2021): 4–20. http://dx.doi.org/10.31489/2021ch3/4-20.

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Polymer cryogels are very promising for producing functional materials. Their porous structure makes them indispensable for some areas of medicine, catalysis, and biotechnology. In this review we focused on methods for producing cryogels based on biopolymers, interpolyelectrolyte complexes of biopolymers, and composite cryogels based on them. First, the properties of cryogels and brief theoretical information about the production of cryogels based on biopolymers were considered. The second section summarizes the latest advances in the production of cryogels based on complexes of biopolymers and composite cryogels. The features of the synthesis and the factors affecting the final properties of materials were considered. In the final part the fields of application of cryogels of the considered types in biotechnology, catalysis and medicine were studied in detail. In biotechnology cryogels are used to immobilize molecules and cells, as a basis for cell growth, and as chromatographic materials for cell separation. In catalysis cryogels are used as a matrix for the immobilization of metal nanoparticles, as well as for the immobilization of enzymes. Biocompatible cryogels and their composites are widely used in medicine for bone and cartilage tissue regeneration, drug delivery, providing a long-term profile of drug release in the body.

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4

Gobi, Ravichandran, Palanisamy Ravichandiran, Ravi Shanker Babu, and Dong Jin Yoo. "Biopolymer and Synthetic Polymer-Based Nanocomposites in Wound Dressing Applications: A Review." Polymers 13, no. 12 (June 13, 2021): 1962. http://dx.doi.org/10.3390/polym13121962.

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Biopolymers are materials obtained from a natural origin, such as plants, animals, microorganisms, or other living beings; they are flexible, elastic, or fibrous materials. Polysaccharides and proteins are some of the natural polymers that are widely used in wound dressing applications. In this review paper, we will provide an overview of biopolymers and synthetic polymer-based nanocomposites, which have promising applications in the biomedical research field, such as wound dressings, wound healing, tissue engineering, drug delivery, and medical implants. Since these polymers have intrinsic biocompatibility, low immunogenicity, non-toxicity, and biodegradable properties, they can be used for various clinical applications. The significant advancements in materials research, drug development, nanotechnology, and biotechnology have laid the foundation for changing the biopolymeric structural and functional properties. The properties of biopolymer and synthetic polymers were modified by blending them with nanoparticles, so that these materials can be used as a wound dressing application. Recent wound care issues, such as tissue repairs, scarless healing, and lost tissue integrity, can be treated with blended polymers. Currently, researchers are focusing on metal/metal oxide nanomaterials such as zinc oxide (ZnO), cerium oxide (CeO2), silver (Ag), titanium oxide (TiO2), iron oxide (Fe2O3), and other materials (graphene and carbon nanotubes (CNT)). These materials have good antimicrobial properties, as well as action as antibacterial agents. Due to the highly antimicrobial properties of the metal/metal oxide materials, they can be used for wound dressing applications.

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5

Sack, Eveline L. W., Paul W. J. J. van der Wielen, and Dick van der Kooij. "Flavobacterium johnsoniae as a Model Organism for Characterizing Biopolymer Utilization in Oligotrophic Freshwater Environments." Applied and Environmental Microbiology 77, no. 19 (July 29, 2011): 6931–38. http://dx.doi.org/10.1128/aem.00372-11.

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ABSTRACTBiopolymers are important substrates for heterotrophic bacteria in oligotrophic freshwater environments, but information on bacterial growth kinetics with biopolymers is scarce. The objective of this study was to characterize bacterial biopolymer utilization in these environments by assessing the growth kinetics ofFlavobacterium johnsoniaestrain A3, which is specialized in utilizing biopolymers at μg liter−1levels. Growth of strain A3 with amylopectin, xyloglucan, gelatin, maltose, or fructose at 0 to 200 μg C liter−1in tap water followed Monod or Teissier kinetics, whereas growth with laminarin followed Teissier kinetics. Classification of the specific affinity of strain A3 for the tested substrates resulted in the following affinity order: laminarin (7.9 × 10−2liter·μg−1of C·h−1) ≫ maltose > amylopectin ≈ gelatin ≈ xyloglucan > fructose (0.69 × 10−2liter·μg−1of C·h−1). No specific affinity could be determined for proline, but it appeared to be high. Extracellular degradation controlled growth with amylopectin, xyloglucan, or gelatin but not with laminarin, which could explain the higher affinity for laminarin. The main degradation products were oligosaccharides or oligopeptides, because only some individual monosaccharides and amino acids promoted growth. A higher yield and a lower ATP cell−1level was achieved at ≤10 μg C liter−1than at >10 μg C liter−1with every substrate except gelatin. The high specific affinities of strain A3 for different biopolymers confirm that some representatives of the classesCytophagia-Flavobacteriaare highly adapted to growth with these compounds at μg liter−1levels and support the hypothesis thatCytophagia-Flavobacteriaplay an important role in biopolymer degradation in (ultra)oligotrophic freshwater environments.

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6

Majone, Mauro, Martin Koller, and Marianna Villano. "Special Issue of New Biotechnology: “Biopolymers Eu Symposium”." New Biotechnology 37 (July 2017): 1. http://dx.doi.org/10.1016/j.nbt.2017.02.004.

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7

Sokolov, A. Y., and D. I. Shishkina. "Study of the structural and mechanical properties of biopolymers in order to obtain a capsule-type product." Proceedings of the Voronezh State University of Engineering Technologies 83, no. 1 (June 3, 2021): 248–52. http://dx.doi.org/10.20914/2310-1202-2021-1-248-252.

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The article presents some theoretical and experimental data on promising technologies, namely, the processes of obtaining artificial food materials such as spheres or "caviar". They are derived from molecular processes: solubilization, spherification, etc. Possible applications are the food industry, the food service industry, biotechnology, and others. There are different features of obtaining artificial products based on alginates. The peculiarities of the alginate structuring are that it is possible to form a gel layer-encapsulation and gel formation over the entire thickness of the product due to the special chemical properties of the fixing salt. Based on the theory of the molecular structure of biopolymers, molecular technologies for the synthesis of artificial food products were developed, using the example of molecular "caviar". As a result of our own experiments, we obtained a satisfactory encapsulated product from a biopolymer crosslinked with Ca2+ salts in terms of organoleptic and physico-chemical properties. The colloidal biopolymer solution for forming "eggs" was characterized using the method of rotational viscometry, which showed the features of the sodium alginate solution as a structured thixotropic material, which is characterized by" difficulty " of shear at low speeds of rotation of the viscometer rotor. Further on the rheogram, such material exhibits a predicted relatively stable flow. As a result, it can be used to produce semi-finished products of a given shape and texture as a food semi-finished product or product. If the technology is refined, it is possible to use colloidal systems based on alginates and other biopolymers in biotechnology, including the cultivation of microorganisms of various taxonomic groups.

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8

CHILKOTI, A., T. CHRISTENSEN, and J. MACKAY. "Stimulus responsive elastin biopolymers: applications in medicine and biotechnology." Current Opinion in Chemical Biology 10, no. 6 (December 2006): 652–57. http://dx.doi.org/10.1016/j.cbpa.2006.10.010.

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9

Roller, S., and I. C. M. Dea. "Biotechnology in the Production and Modification of Biopolymers for Foods." Critical Reviews in Biotechnology 12, no. 3 (January 1992): 261–77. http://dx.doi.org/10.3109/07388559209069195.

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10

Houghton, Jennifer I., and Joanne Quarmby. "Biopolymers in wastewater treatment." Current Opinion in Biotechnology 10, no. 3 (June 1999): 259–62. http://dx.doi.org/10.1016/s0958-1669(99)80045-7.

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11

SATHYANARAYANAN, P., and G. RAINA. "COATING THICKNESS STUDY OF BIOPOLYMER-MAGNETITE CORE–SHELL NANOPARTICLES." International Journal of Nanoscience 08, no. 04n05 (August 2009): 359–66. http://dx.doi.org/10.1142/s0219581x09006274.

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Magnetite and biopolymer-magnetite nanoparticles coated with polyethylene glycol (PEG) and chitosan have been synthesized. The adsorption of the biopolymers on the magnetite nanoparticles is confirmed using Fourier Transform Infrared (FTIR) Spectroscopy. Atomic Force Microscopy (AFM) imaging revealed magnetite-biopolymer core–shell nanoparticles of typical size range 25–80 nm. We report a novel way of determining the thickness of the biopolymer coating using noncontact AFM imaging. AFM has been used to study the variation of the biopolymer coating thickness as a function of the magnetite core diameter, biopolymer type, and its concentration. The thickness of the chitosan coating varies in the range of 4–11 nm and increases linearly with increase in magnetite core size. PEG coating thickness has similar values as for the chitosan coating.

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12

Vullo, Diana L. "Biopolymers, enzyme activity, and biotechnology in an introductory laboratory class experience." Biochemistry and Molecular Biology Education 31, no. 1 (January 2003): 42–45. http://dx.doi.org/10.1002/bmb.2003.494031010167.

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13

Knorre, D. G. "Physicochemical Biology: Conquered Boundaries and New Horizons." Acta Naturae 4, no. 2 (June 15, 2012): 36–43. http://dx.doi.org/10.32607/actanaturae.10624.

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In this paper, we shall consider the main evolutionary stages that occurred within the field of physicochemical biology during the 20th century, following the determination of the tertiary structure of DNA by Watson and Crick and the subsequent successes in the X-ray structural analysis of biopolymers. The authors ideas on the pre-emptive problems and the methods used in physicochemical biology in the 21st century are also presented, including an investigation of the dynamics of biochemical processes, studies of the functions of unstructured proteins, as well as single-molecule investigations of enzymatic processes and of biopolymer tertiary structure formation.

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14

Knorre, D. G. "Physicochemical Biology: Conquered Boundaries and New Horizons." Acta Naturae 4, no. 2 (June 15, 2012): 36–43. http://dx.doi.org/10.32607/20758251-2012-4-2-36-43.

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In this paper, we shall consider the main evolutionary stages that occurred within the field of physicochemical biology during the 20th century, following the determination of the tertiary structure of DNA by Watson and Crick and the subsequent successes in the X-ray structural analysis of biopolymers. The authors ideas on the pre-emptive problems and the methods used in physicochemical biology in the 21st century are also presented, including an investigation of the dynamics of biochemical processes, studies of the functions of unstructured proteins, as well as single-molecule investigations of enzymatic processes and of biopolymer tertiary structure formation.

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15

Du, Jikun, Li Li, and Shining Zhou. "Microbial production of cyanophycin: From enzymes to biopolymers." Biotechnology Advances 37, no. 7 (November 2019): 107400. http://dx.doi.org/10.1016/j.biotechadv.2019.05.006.

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16

Yin, Na, Thiago M. A. Santos, George K. Auer, John A. Crooks, Piercen M. Oliver, and Douglas B. Weibel. "Bacterial Cellulose as a Substrate for Microbial Cell Culture." Applied and Environmental Microbiology 80, no. 6 (January 17, 2014): 1926–32. http://dx.doi.org/10.1128/aem.03452-13.

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ABSTRACTBacterial cellulose (BC) has a range of structural and physicochemical properties that make it a particularly useful material for the culture of bacteria. We studied the growth of 14 genera of bacteria on BC substrates produced byAcetobacter xylinumand compared the results to growth on the commercially available biopolymers agar, gellan, and xanthan. We demonstrate that BC produces rates of bacterial cell growth that typically exceed those on the commercial biopolymers and yields cultures with higher titers of cells at stationary phase. The morphology of the cells did not change during growth on BC. The rates of nutrient diffusion in BC being higher than those in other biopolymers is likely a primary factor that leads to higher growth rates. Collectively, our results suggest that the use of BC may open new avenues in microbiology by facilitating bacterial cell culture and isolation.

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17

Chidambarampadmavathy, Karthigeyan, Obulisamy P. Karthikeyan, and Kirsten Heimann. "Biopolymers made from methane in bioreactors." Engineering in Life Sciences 15, no. 7 (June 25, 2015): 689–99. http://dx.doi.org/10.1002/elsc.201400203.

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18

Sorokulova, Iryna, Eric Olsen, and Vitaly Vodyanoy. "Biopolymers for sample collection, protection, and preservation." Applied Microbiology and Biotechnology 99, no. 13 (May 19, 2015): 5397–406. http://dx.doi.org/10.1007/s00253-015-6681-3.

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19

Rosenberg, Eugene. "Microbial diversity as a source of useful biopolymers." Journal of Industrial Microbiology 11, no. 3 (May 1993): 131–37. http://dx.doi.org/10.1007/bf01583712.

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20

Noworyta, Andrzej, Anna Trusek, and Maciej Wajsprych. "Membrane reactor for enzymatic depolymerization – a case study based on protein hydrolysis." Polish Journal of Chemical Technology 20, no. 4 (December 1, 2018): 44–48. http://dx.doi.org/10.2478/pjct-2018-0053.

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Abstract The efficiency of enzymatic depolymerization in a membrane reactor was investigated. The model analysis was performed on bovine serum albumin hydrolysis reaction led by three different enzymes, for which kinetic equations have different forms. Comparing to a classic reactor, the reaction yield turns out to be distinctly higher for all types of kinetics. The effect arises from increasing (thanks to the proper selectivity of the applied membrane) the concentration of reagents in the reaction volume. The investigations indicated the importance of membrane selectivity election, residence time and at non-competitive inhibition the substrate (biopolymer) concentration in feed stream. Presented analysis is helpful in these parameters choice for enzymatic hydrolysis of different biopolymers.

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21

Bergdale, Terran E., Rebecca J. Pinkelman, Stephen R. Hughes, Barbara Zambelli, Stefano Ciurli, and Sookie S. Bang. "Engineered biosealant strains producing inorganic and organic biopolymers." Journal of Biotechnology 161, no. 3 (October 2012): 181–89. http://dx.doi.org/10.1016/j.jbiotec.2012.07.001.

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22

Koralegedara, Indika Dilrukshi, Charith Aravinda Hettiarachchi, Batugahage Don Rohitha Prasantha, and Kuruppu Mudiyanselage Swarna Wimalasiri. "Synthesis of Nano-Scale Biopolymer Particles from Legume Protein Isolates and Carrageenan." Food technology and biotechnology 58, no. 2 (July 31, 2020): 214–22. http://dx.doi.org/10.17113/ftb.58.02.20.6279.

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Research background. Food proteins and polysaccharides can be used for the synthesis of nano-scale biopolymer particles with potential applications in the fields of food and pharmaceuticals. This study focuses on utilizing legume proteins for the production of biopolymer particles via regulation of their electrostatic interactions with carrageenan. Experimental approach. Protein isolates were obtained from mung bean (Vigna radiata), cowpea (Vigna unguiculata) and black gram (Vigna mungo) and their protein profiles were determined. Next, these isolates were allowed to interact with carrageenan at pH=5.0-7.0 to determine optimum conditions for obtaining nano-scale biopolymer particles. Selected biopolymer mixtures were then subjected to a heat treatment (85 °C for 20 min) to enhance the interactions among biopolymers. Results and conclusion. Nano-scale biopolymer complexes were obtained at pH=6.5. They were roughly spherical in shape with a majority having a diameter in the range of approx. 100-150 nm. Heating of the biopolymer mixtures increased the diameter of the biopolymer particles by approx. 2.5-fold. In addition, their negative surface charge was increased, stabilizing them against aggregation over a broader pH range (4.0-7.0), enhancing their potential to be utilized in food matrices. Novelty and scientific contribution. This study reports the applicability of mung bean, cowpea and black gram proteins for the synthesis of stable biopolymer particles. These biopolymer particles can be potentially used for the encapsulation and delivery of bioactive components.

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23

Komeil, Doaa, Anne-Marie Simao-Beaunoir, and Carole Beaulieu. "Detection of potential suberinase-encoding genes in Streptomyces scabiei strains and other actinobacteria." Canadian Journal of Microbiology 59, no. 5 (May 2013): 294–303. http://dx.doi.org/10.1139/cjm-2012-0741.

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Streptomyces scabiei causes common scab, an economically important disease of potato tubers. Some authors have previously suggested that S. scabiei penetration into host plant tissue is facilitated by secretion of esterase enzymes degrading suberin, a lipidic biopolymer of the potato periderm. In the present study, S. scabiei EF-35 showed high esterase activity in suberin-containing media. This strain also exhibited esterase activity in the presence of other biopolymers, such as lignin, cutin, or xylan, but at a much lower level. In an attempt to identify the esterases involved in suberin degradation, translated open reading frames of S. scabiei 87-22 were examined for the presence of protein sequences corresponding to extracellular esterases of S. scabiei FL1 and of the fungus Coprinopsis cinerea VTT D-041011, which have previously been shown to be produced in the presence of suberin. Two putative extracellular suberinase genes, estA and sub1, were identified. The presence of these genes in several actinobacteria was investigated by Southern blot hybridization, and both genes were found in most common-scab-inducing strains. Moreover, reverse transcription – polymerase chain reaction performed with S. scabiei EF-35 showed that estA was expressed in the presence of various biopolymers, including suberin, whereas the sub1 gene appeared to be specifically expressed in the presence of suberin and cutin.

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24

Harding, S. E. "Physical techniques for the study of food biopolymers." Trends in Food Science & Technology 5, no. 4 (April 1994): 126. http://dx.doi.org/10.1016/0924-2244(94)90203-8.

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25

Chua, Hong, Peter H. F. Yu, and Chee K. Ma. "Accumulation of Biopolymers in Activated Sludge Biomass." Applied Biochemistry and Biotechnology 78, no. 1-3 (1999): 389–400. http://dx.doi.org/10.1385/abab:78:1-3:389.

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26

Pack, Daniel W., David Putnam, and Robert Langer. "Design of imidazole-containing endosomolytic biopolymers for gene delivery." Biotechnology and Bioengineering 67, no. 2 (January 20, 2000): 217–23. http://dx.doi.org/10.1002/(sici)1097-0290(20000120)67:2<217::aid-bit11>3.0.co;2-q.

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27

Tirelli, Nicola. "Biopolymers for Medical and Pharmaceutical Applications." Macromolecular Bioscience 6, no. 9 (September 15, 2006): 776. http://dx.doi.org/10.1002/mabi.200600121.

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28

Vijayendra, S. V. N., and T. R. Shamala. "Film forming microbial biopolymers for commercial applications—A review." Critical Reviews in Biotechnology 34, no. 4 (August 6, 2013): 338–57. http://dx.doi.org/10.3109/07388551.2013.798254.

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29

Moita, R., and P. C. Lemos. "Biopolymers production from mixed cultures and pyrolysis by-products." Journal of Biotechnology 150 (November 2010): 36. http://dx.doi.org/10.1016/j.jbiotec.2010.08.104.

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30

Moita, R., and P. C. Lemos. "Biopolymers production from mixed cultures and pyrolysis by-products." Journal of Biotechnology 157, no. 4 (February 2012): 578–83. http://dx.doi.org/10.1016/j.jbiotec.2011.09.021.

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31

Nomura, Christopher T., and Seiichi Taguchi. "PHA synthase engineering toward superbiocatalysts for custom-made biopolymers." Applied Microbiology and Biotechnology 73, no. 5 (January 2007): 969–79. http://dx.doi.org/10.1007/s00253-006-0566-4.

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32

Schierbaum, Friedrich. "Book Reviews: Biotechnology of Biopolymers Systems, Processes, Products. By A. Steinbüchel and Y. Doi." Starch - Stärke 57, no. 5 (May 2005): 223. http://dx.doi.org/10.1002/star.200590024.

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33

Grunwald, Ingo, Klaus Rischka, Stefan M. Kast, Thomas Scheibel, and Hendrik Bargel. "Mimicking biopolymers on a molecular scale: nano(bio)technology based on engineered proteins." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1894 (May 13, 2009): 1727–47. http://dx.doi.org/10.1098/rsta.2009.0012.

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Proteins are ubiquitous biopolymers that adopt distinct three-dimensional structures and fulfil a multitude of elementary functions in organisms. Recent systematic studies in molecular biology and biotechnology have improved the understanding of basic functional and architectural principles of proteins, making them attractive candidates as concept generators for technological development in material science, particularly in biomedicine and nano(bio)technology. This paper highlights the potential of molecular biomimetics in mimicking high-performance proteins and provides concepts for applications in four case studies, i.e. spider silk, antifreeze proteins, blue mussel adhesive proteins and viral ion channels.

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34

Hsieh, Ke Ming, Leonard W. Lion, and Michael L. Shuler. "Production of extracellular and cell-associated biopolymers byPseudomonas atlantica." Biotechnology Letters 12, no. 6 (June 1990): 449–54. http://dx.doi.org/10.1007/bf01024403.

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35

Chen, Shu-Jen, Pei-Chuan Hsieh, Yi-Lin Huang, and Ying-Rong Chen. "Preparation of quaternary ammonium functionalized magnetic particles for biopolymers isolation." Journal of Bioscience and Bioengineering 108 (November 2009): S73. http://dx.doi.org/10.1016/j.jbiosc.2009.08.215.

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36

Lin, Rui, Shanshan Wang, and Wentian Liu. "Protein-derived Smart Materials for Medical Applications: Elastin-like Polypeptides." Current Pharmaceutical Design 24, no. 26 (November 14, 2018): 3008–13. http://dx.doi.org/10.2174/1381612824666180903122432.

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A group of stimulus-responsive biopolymers developed from the hydrophobic domain of tropoelastin is collectively known as elastin-like polypeptides (ELPs). These peptides generally consist of repeated pentapeptide units of the form (VPGXG)n, where X can be any amino acid with the exception of proline. ELPs present wide-ranging possibilities in biomedicine due to their many beneficial characteristics, including tunable phase transition behavior and biological compatibility, along with the absence of immunogenic and pyrogenic characteristics. The present paper reviews the physicochemical characteristics of ELPs and outlines a range of applications in biotechnology and medicine.

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37

Luft, Luciana, Tássia C. Confortin, Izelmar Todero, Giovani L. Zabot, and Marcio A. Mazutti. "An overview of fungal biopolymers: bioemulsifiers and biosurfactants compounds production." Critical Reviews in Biotechnology 40, no. 8 (August 12, 2020): 1059–80. http://dx.doi.org/10.1080/07388551.2020.1805405.

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38

Gasser, E., P. Ballmann, S. Dröge, J. Bohn, and H. König. "Microbial production of biopolymers from the renewable resource wheat straw." Journal of Applied Microbiology 117, no. 4 (July 14, 2014): 1035–44. http://dx.doi.org/10.1111/jam.12581.

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39

Zeitoun, Ahmed M., Marta Preisner, Anna Kulma, Lucyna Dymińska, Jerzy Hanuza, Michal Starzycki, and Jan Szopa. "Does biopolymers composition in seeds contribute to the flax resistance against theFusariuminfection?" Biotechnology Progress 30, no. 5 (August 8, 2014): 992–1004. http://dx.doi.org/10.1002/btpr.1965.

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40

Maglia, Giovanni, and Wesley Browne. "Editorial overview: Reprogramming biology: from biopolymers to complex systems." Current Opinion in Biotechnology 58 (August 2019): v—vi. http://dx.doi.org/10.1016/j.copbio.2019.08.002.

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41

STEINBUCHEL, A. "Non-biodegradable biopolymers from renewable resources: perspectives and impacts." Current Opinion in Biotechnology 16, no. 6 (December 2005): 607–13. http://dx.doi.org/10.1016/j.copbio.2005.10.011.

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42

Hrncirik, Pavel. "Strategies for controlling the bioproduction of mcl-PHAs biopolymers." Current Opinion in Biotechnology 22 (September 2011): S35. http://dx.doi.org/10.1016/j.copbio.2011.05.080.

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43

Hrubanova, Kamila, Kateřina Mrázová, Pavel Urban, Vojtěch Krutil, Radim Skoupý, Stanislav Obruča, and Vladislav Krzyzanek. "Freeze-fracturing of microbes producing biopolymers at liquid Helium temperature: cryo-SEM application in biotechnology." Microscopy and Microanalysis 27, S1 (July 30, 2021): 3164–66. http://dx.doi.org/10.1017/s1431927621010941.

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44

Martino, Marica, Tiziana Perri, and Antonio M. Tamburro. "Biopolymers and biomaterials based on elastomeric proteins." Macromolecular Bioscience 2, no. 7 (September 2002): 319–28. http://dx.doi.org/10.1002/1616-5195(200209)2:7<319::aid-mabi319>3.0.co;2-l.

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45

Tirelli, Nicola, Anne Pfisterer, and Christine Mayer. "20 Years of Biopolymers, Biomaterials, and Biomimetics." Macromolecular Bioscience 20, no. 1 (January 2020): 1900421. http://dx.doi.org/10.1002/mabi.201900421.

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46

Lao, U. Loi, Alin Chen, Mark R. Matsumoto, Ashok Mulchandani, and Wilfred Chen. "Cadmium removal from contaminated soil by thermally responsive elastin (ELPEC20) biopolymers." Biotechnology and Bioengineering 98, no. 2 (2007): 349–55. http://dx.doi.org/10.1002/bit.21478.

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47

Udayakumar, Gowthama Prabu, Subbulakshmi Muthusamy, Bharathi Selvaganesh, N. Sivarajasekar, Krishnamoorthy Rambabu, Selvaraju Sivamani, Nallusamy Sivakumar, J. Prakash Maran, and Ahmad Hosseini-Bandegharaei. "Ecofriendly biopolymers and composites: Preparation and their applications in water-treatment." Biotechnology Advances 52 (November 2021): 107815. http://dx.doi.org/10.1016/j.biotechadv.2021.107815.

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Castillo, Tania, Andrés García, Claudio Padilla-Córdova, Alvaro Díaz-Barrera, and Carlos Peña. "Respiration in Azotobacter vinelandii and its relationship with the synthesis of biopolymers." Electronic Journal of Biotechnology 48 (November 2020): 36–45. http://dx.doi.org/10.1016/j.ejbt.2020.08.001.

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49

Ramos, Laura, Alicia Alonso-Hernando, Miriam Martínez-Castro, Jose Alejandro Morán-Pérez, Patricia Cabrero-Lobato, Ana Pascual-Maté, Eduardo Téllez-Jiménez, and Jorge R. Mujico. "Sourdough Biotechnology Applied to Gluten-Free Baked Goods: Rescuing the Tradition." Foods 10, no. 7 (June 28, 2021): 1498. http://dx.doi.org/10.3390/foods10071498.

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Abstract:

Recent studies suggest that the beneficial properties provided by sourdough fermentation may be translated to the development of new GF products that could improve their technological and nutritional properties. The main objective of this manuscript is to review the current evidence regarding the elaboration of GF baked goods, and to present the latest knowledge about the so-called sourdough biotechnology. A bibliographic search of articles published in the last 12 years has been carried out. It is common to use additives, such as hydrocolloids, proteins, enzymes, and emulsifiers, to technologically improve GF products. Sourdough is a mixture of flour and water fermented by an ecosystem of lactic acid bacteria (LAB) and yeasts that provide technological and nutritional improvements to the bakery products. LAB-synthesized biopolymers can mimic gluten molecules. Sourdough biotechnology is an ecological and cost-effective technology with great potential in the field of GF products. Further research is necessary to optimize the process and select species of microorganisms robust enough to be competitive in any circumstance.

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Yadav, Vikas, Bruce J. Paniliatis, Hai Shi, Kyongbum Lee, Peggy Cebe, and David L. Kaplan. "Novel In Vivo-Degradable Cellulose-Chitin Copolymer from Metabolically Engineered Gluconacetobacter xylinus." Applied and Environmental Microbiology 76, no. 18 (July 23, 2010): 6257–65. http://dx.doi.org/10.1128/aem.00698-10.

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ABSTRACT Despite excellent biocompatibility and mechanical properties, the poor in vitro and in vivo degradability of cellulose has limited its biomedical and biomass conversion applications. To address this issue, we report a metabolic engineering-based approach to the rational redesign of cellular metabolites to introduce N-acetylglucosamine (GlcNAc) residues into cellulosic biopolymers during de novo synthesis from Gluconacetobacter xylinus. The cellulose produced from these engineered cells (modified bacterial cellulose [MBC]) was evaluated and compared with cellulose produced from normal cells (bacterial cellulose [BC]). High GlcNAc content and lower crystallinity in MBC compared to BC make this a multifunctional bioengineered polymer susceptible to lysozyme, an enzyme widespread in the human body, and to rapid hydrolysis by cellulase, an enzyme commonly used in biomass conversion. Degradability in vivo was demonstrated in subcutaneous implants in mice, where modified cellulose was completely degraded within 20 days. We provide a new route toward the production of a family of tailorable modified cellulosic biopolymers that overcome the longstanding limitation associated with the poor degradability of cellulose for a wide range of potential applications.

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