Comparative analysis of different xanthan samples by atomic force microscopy
Teckentrup J, Al-Hamood O, Steffens T, Bednarz H, Walhorn V, Niehaus K, Anselmetti D (2017)
Journal of Biotechnology 257: 2-8.
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Abstract / Bemerkung
The polysaccharide xanthan which is produced by the gamma-proteobacterium Xanthomonas campestris is used as a food thickening agent and rheologic modifier in numerous food, cosmetics and technical applications. Its great commercial importance stimulated biotechnological approaches to optimize the xanthan production. By targeted genetic modification the metabolism of Xanthomonas can be modified in such a way that the xanthan production efficiency and/or the shear-thickening potency is optimized. Using atomic force microscopy (AFM) the secondary structure of single xanthan polymers produced by the wild type Xanthomonas campestris B100 and several genetically modified variations were analyzed. We found a wide variation of characteristic differences between xanthan molecules produced by different strains. The structures ranged from single-stranded coiled polymers to branched xanthan double-strands. These results can help to get a better understanding of the polymerization- and secretion-machinery that are relevant for xanthan synthesis. Furthermore, we demonstrate that the xanthan secondary structure strongly correlates with its viscosifying properties.
Copyright A 2016 Elsevier B.V. All rights reserved.
Erscheinungsjahr
2017
Zeitschriftentitel
Journal of Biotechnology
Band
257
Seite(n)
2-8
ISSN
1873-4863
Page URI
https://pub.uni-bielefeld.de/record/2908271
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Teckentrup J, Al-Hamood O, Steffens T, et al. Comparative analysis of different xanthan samples by atomic force microscopy. Journal of Biotechnology. 2017;257:2-8.
Teckentrup, J., Al-Hamood, O., Steffens, T., Bednarz, H., Walhorn, V., Niehaus, K., & Anselmetti, D. (2017). Comparative analysis of different xanthan samples by atomic force microscopy. Journal of Biotechnology, 257, 2-8. doi:10.1016/j.jbiotec.2016.11.032
Teckentrup, Julia, Al-Hamood, Orooba, Steffens, Tim, Bednarz, Hanna, Walhorn, Volker, Niehaus, Karsten, and Anselmetti, Dario. 2017. “Comparative analysis of different xanthan samples by atomic force microscopy”. Journal of Biotechnology 257: 2-8.
Teckentrup, J., Al-Hamood, O., Steffens, T., Bednarz, H., Walhorn, V., Niehaus, K., and Anselmetti, D. (2017). Comparative analysis of different xanthan samples by atomic force microscopy. Journal of Biotechnology 257, 2-8.
Teckentrup, J., et al., 2017. Comparative analysis of different xanthan samples by atomic force microscopy. Journal of Biotechnology, 257, p 2-8.
J. Teckentrup, et al., “Comparative analysis of different xanthan samples by atomic force microscopy”, Journal of Biotechnology, vol. 257, 2017, pp. 2-8.
Teckentrup, J., Al-Hamood, O., Steffens, T., Bednarz, H., Walhorn, V., Niehaus, K., Anselmetti, D.: Comparative analysis of different xanthan samples by atomic force microscopy. Journal of Biotechnology. 257, 2-8 (2017).
Teckentrup, Julia, Al-Hamood, Orooba, Steffens, Tim, Bednarz, Hanna, Walhorn, Volker, Niehaus, Karsten, and Anselmetti, Dario. “Comparative analysis of different xanthan samples by atomic force microscopy”. Journal of Biotechnology 257 (2017): 2-8.
2 Zitationen in Europe PMC
Daten bereitgestellt von Europe PubMed Central.
Novel Endotype Xanthanase from Xanthan-Degrading Microbacterium sp. Strain XT11.
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Yang F, Li H, Sun J, Guo X, Zhang X, Tao M, Chen X, Li X., Appl Environ Microbiol 85(2), 2019
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Alkhateeb RS, Rückert C, Rupp O, Pucker B, Hublik G, Wibberg D, Niehaus K, Pühler A, Vorhölter FJ., J Biotechnol 253(), 2017
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Alkhateeb RS, Rückert C, Rupp O, Pucker B, Hublik G, Wibberg D, Niehaus K, Pühler A, Vorhölter FJ., J Biotechnol 253(), 2017
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