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Article

An iTRAQ-Based Comparative Proteomics Analysis of the Biofilm and Planktonic States of Aeromonas veronii TH0426

1
Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, College of Animal Science and Technology, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun 130118, China
2
College of Life Science, Changchun Sci-Tech University, Changchun 130118, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Mol. Sci. 2020, 21(4), 1450; https://doi.org/10.3390/ijms21041450
Submission received: 1 January 2020 / Revised: 15 February 2020 / Accepted: 17 February 2020 / Published: 20 February 2020
(This article belongs to the Special Issue Fish Immunology)

Abstract

Aeromonas veronii is a virulent fish pathogen that causes extensive economic losses in the aquaculture industry worldwide. In this study, a virulent strain of A. veronii TH0426 was used to establish an in vitro biofilm model. The results show that the biofilm-forming abilities of A. veronii TH0426 were similar in different media, peaking under conditions of 20 °C and pH 6. Further, isobaric tags for relative and absolute quantitation (iTRAQ)-based quantitative proteomics methods were used to compare the differential expression of A. veronii between the biofilm and planktonic cells. The results show alterations in 277 proteins, with 130 being upregulated and 147 downregulated. Pathway analysis and GO (Gene Ontology) annotations indicated that these proteins are mainly involved in metabolic pathways and the biosynthesis of secondary metabolites and antibiotics. These proteins are the main factors affecting the adaptability of A. veronii to its external environment. MRM (multiple reaction 27 monitoring) and qPCR (qPCR) were used to verify the differential proteins of the selected A. veronii. This is the first report on the biofilm and planktonic cells of A. veronii, thus contributing to studying the infection and pathogenesis of A. veronii.
Keywords: Aeromonas veronii; biofilm; quantitative proteomics; iTRAQ Aeromonas veronii; biofilm; quantitative proteomics; iTRAQ

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MDPI and ACS Style

Li, Y.; Yang, B.; Tian, J.; Sun, W.; Wang, G.; Qian, A.; Wang, C.; Shan, X.; Kang, Y. An iTRAQ-Based Comparative Proteomics Analysis of the Biofilm and Planktonic States of Aeromonas veronii TH0426. Int. J. Mol. Sci. 2020, 21, 1450. https://doi.org/10.3390/ijms21041450

AMA Style

Li Y, Yang B, Tian J, Sun W, Wang G, Qian A, Wang C, Shan X, Kang Y. An iTRAQ-Based Comparative Proteomics Analysis of the Biofilm and Planktonic States of Aeromonas veronii TH0426. International Journal of Molecular Sciences. 2020; 21(4):1450. https://doi.org/10.3390/ijms21041450

Chicago/Turabian Style

Li, Ying, Bintong Yang, Jiaxin Tian, Wuwen Sun, Guiqin Wang, Aidong Qian, Chunfeng Wang, Xiaofeng Shan, and Yuanhuan Kang. 2020. "An iTRAQ-Based Comparative Proteomics Analysis of the Biofilm and Planktonic States of Aeromonas veronii TH0426" International Journal of Molecular Sciences 21, no. 4: 1450. https://doi.org/10.3390/ijms21041450

APA Style

Li, Y., Yang, B., Tian, J., Sun, W., Wang, G., Qian, A., Wang, C., Shan, X., & Kang, Y. (2020). An iTRAQ-Based Comparative Proteomics Analysis of the Biofilm and Planktonic States of Aeromonas veronii TH0426. International Journal of Molecular Sciences, 21(4), 1450. https://doi.org/10.3390/ijms21041450

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