ArticleFrontiers in microbiology2016
UV-B Radiation Stress Causes Alterations in Whole Cell Protein Profile and Expression of Certain Genes in the Rice Phyllospheric Bacterium Enterobacter cloacae.
Article in Frontiers in microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 35 citations in OpenAlex.
- UV-B-induced DNA repair mechanisms and their effects on mutagenesis and culturability inmSystems · 2026Article
- Ultraviolet radiation reshapes the metabolome of skin commensal bacteria, influencing AhR signaling and barrier function.Applied and environmental microbiology · 2026Article
- Applied microbiology of the phyllosphere.Applied microbiology and biotechnology · 2024Review
- Impact of Ascorbic Acid on Zero-Valent Iron Nanoparticle and UV-B Mediated Stress in the Cyanobacterium,Microorganisms · 2023Article
- Editorial: Mechanisms of abiotic stress responses and tolerance in plants: physiological, biochemical and molecular interventions, volume II.Frontiers in plant science · 2023Article
- Distinct Phyllosphere Microbiome of Wild Tomato Species in Central Peru upon Dysbiosis.Microbial ecology · 2023Article
- Proteomic analysis response of rice (Frontiers in plant science · 2022Article
- Natural Holobiome Engineering by Using Native Extreme Microbiome to Counteract the Climate Change Effects.Frontiers in bioengineering and biotechnology · 2020Review
- Influence of Light on Plant-Phyllosphere Interaction.Frontiers in plant science · 2018Review
- Culturable bacterial diversity from the chestnut (AIMS microbiology · 2017Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Among the different types of UV radiation, UV-B radiation (280-315 nm) has gained much attention mainly due to its increasing incidence on the Earth's surface leading to imbalances in natural ecosystems. This study deals with the effects of UV-B radiation on the proteome and gene expression in a rice phyllospheric bacterium, Enterobacter cloacae. Of the five bacteria isolated from rice leaves, E. cloacae showed the highest level of resistance to UV-B and total killing occurred after 8 h of continuous exposure to UV-B. Reactive oxygen species were induced by UV-B exposure and increased with increasing duration of exposure. Protein profiling by SDS-PAGE and 2-dimensional gel electrophoresis (2-DE) revealed major changes in the number as well as expression of proteins. Analysis of 2-DE gel spots indicated up/down-regulation of several proteins under the stress of UV-B radiation. Thirteen differentially expressed proteins including two hypothetical proteins were identified by MALDI-TOF MS and assigned to eight functional categories. Both the hypothetical proteins (gi 779821175 and gi 503938301) were over-expressed after UV-B irradiation; gi 503938301 was characterized as a member of FMN reductase superfamily whereas gi 779821175 seems to be a structural protein as it did not show any functional domain. That the expression of certain proteins under UV-B stress is indeed up-regulated was confirmed by qRT-PCR. Transcript analysis of selected gene including genes of hypothetical proteins (cp011650 and cp002886) showed over-expression under UV-B stress as compared to untreated control cultures. Although this study deals with a limited number of proteins, identification of differentially expressed proteins reported herein may prove useful in future studies especially for assessing their significance in the protection mechanism of bacteria against UV-B radiation stress.
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