Comparative biological network analysis for differentially expressed proteins as a function of bacilysin biosynthesis in Bacillus subtilis

Date

2022-08-03

Author

Kutnu, Meltem
İşlerel, Elif Tekin
Tunçbağ, Nurcan
Özcengiz, Gülay

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© The Author(s) 2022. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permission@oup.com.The Gram-positive bacterium Bacillus subtilis produces a diverse range of secondary metabolites with different structures and activities. Among them, bacilysin is an enzymatically synthesized dipeptide that consists of L-alanine and L-anticapsin. Previous research by our group has suggested bacilysin's role as a pleiotropic molecule in its producer, B. subtilis PY79. However, the nature of protein interactions in the absence of bacilysin has not been defined. In the present work, we constructed a protein-protein interaction subnetwork by using Omics Integrator based on our recent comparative proteomics data obtained from a bacilysin-silenced strain, OGU1. Functional enrichment analyses on the resulting networks pointed to certain putatively perturbed pathways such as citrate cycle, quorum sensing and secondary metabolite biosynthesis. Various molecules, which were absent from the experimental data, were included in the final network. We believe that this study can guide further experiments in the identification and confirmation of protein-protein interactions in B. subtilis.

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85135597270&origin=inward
https://hdl.handle.net/11511/98857

Journal

Integrative biology : quantitative biosciences from nano to macro

DOI

https://doi.org/10.1093/intbio/zyac010

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Graduate School of Informatics, Article

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Citation Formats

M. Kutnu, E. T. İşlerel, N. Tunçbağ, and G. Özcengiz, “Comparative biological network analysis for differentially expressed proteins as a function of bacilysin biosynthesis in Bacillus subtilis,” Integrative biology : quantitative biosciences from nano to macro, vol. 14, no. 5, pp. 99–110, 2022, Accessed: 00, 2022. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85135597270&origin=inward.