Erythromycin Treatment of Brassica campestris Seedlings Impacts the Photosynthetic and Protein Synthesis Pathwaysopen access
- Authors
- Yoon, Young-Eun; Cho, Hyun Min; Bae, Dong-won; Lee, Sung Joong; Choe, Hyeonji; Kim, Min Chul; Cheong, Mi Sun; Lee, Yong Bok
- Issue Date
- Dec-2020
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- antibiotics; erythromycin (Ery); Brassica campestris; proteomics; photosynthesis; protein synthesis; ribosome
- Citation
- Life, v.10, no.12, pp 1 - 18
- Pages
- 18
- Indexed
- SCIE
SCOPUS
- Journal Title
- Life
- Volume
- 10
- Number
- 12
- Start Page
- 1
- End Page
- 18
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/5881
- DOI
- 10.3390/life10120311
- ISSN
- 0024-3019
2075-1729
- Abstract
- Erythromycin (Ery) is a commonly used veterinary drug that prevents infections and promotes the growth of farm animals. Ery is often detected in agricultural fields due to the effects of manure application in the ecosystem. However, there is a lack of information on Ery toxicity in crops. In this study, we performed a comparative proteomic analysis to identify the molecular mechanisms of Ery toxicity during seedling growth based on our observation of a decrease in chlorophyll (Chl) contents using Brassica campestris. A total of 452 differentially abundant proteins (DAPs) were identified including a ribulose-1,5-bisphosphate carboxylase (RuBisCO). The proteomic analysis according to gene ontology (GO) classification revealed that many of these DAPs responding to Ery treatment functioned in a cellular process and a metabolic process. The molecular function analysis showed that DAPs classified within catalytic activity were predominantly changed by Ery, including metabolite interconversion enzyme and protein modifying enzyme. An analysis of functional pathways using MapMan revealed that many photosynthesis components were downregulated, whereas many protein biosynthesis components were upregulated. A good relationship was observed between protein and transcript abundance in a photosynthetic pathway, as determined by qPCR analysis. These combined results suggest that Ery affects plant physiological activity by downregulating protein abundance in the photosynthetic pathway.
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