ArticleThe ISME journal2016
Proteorhodopsin light-enhanced growth linked to vitamin-B1 acquisition in marine Flavobacteria.
Article in The ISME journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 64 citations in OpenAlex.
- Functional complementarity between vitamin B1 and B12 metabolisms shapes seasonal marine microbial communities.The ISME journal · 2026Article
- Unexpected microbial rhodopsin dynamics in sync with phytoplankton blooms.Nature communications · 2025Article
- Pronounced seasonal dynamics in transcription of vitamin B1 acquisition strategies diverge among Baltic Sea bacterioplankton.Environmental microbiome · 2025Article
- Dark ocean archaeal and bacterial chemoautotrophs drive vitamin B1 production in oxygen minimum zones.ISME communications · 2025Article
- Effect of Light Regime onJournal of microbiology and biotechnology · 2024Article
- Effects of Light and Dark Conditions on the Transcriptome of Aging Cultures of Candidatus Puniceispirillum marinum IMCC1322.Journal of microbiology (Seoul, Korea) · 2024Article
- Dinoflagellate Proton-Pump Rhodopsin Genes in Long Island Sound: Diversity and Spatiotemporal Distribution.Microorganisms · 2024Article
- New chemical and microbial perspectives on vitamin B1 and vitamer dynamics of a coastal system.ISME communications · 2024Article
- Dissecting Light Sensing and Metabolic Pathways on the Millimeter Scale in High-Altitude Modern Stromatolites.Microbial ecology · 2023Article
- Rhodopsin-mediated nutrient uptake by cultivated photoheterotrophic Verrucomicrobiota.The ISME journal · 2023Article
- Rhodopsin driven microbial COEnvironmental microbiology · 2023Article
- Article
- Ecological Interactions of Cyanobacteria and Heterotrophs Enhances the Robustness of Cyanobacterial Consortium for Carbon Sequestration.Frontiers in microbiology · 2022Article
- Transcriptome architecture and regulation at environmental transitions in flavobacteria: the case of an important fish pathogen.ISME communications · 2021Article
- Article
- Simultaneous Presence of Bacteriochlorophyll and Xanthorhodopsin Genes in a Freshwater Bacterium.mSystems · 2020Article
- Transcriptional Patterns of Biogeochemically Relevant Marker Genes by Temperate Marine Bacteria.Frontiers in microbiology · 2020Article
- Proteorhodopsin Overproduction Enhances the Long-Term Viability of Escherichia coli.Applied and environmental microbiology · 2019Article
- Microbial rhodopsins are major contributors to the solar energy captured in the sea.Science advances · 2019Article
- Influence of Light on Particulate Organic Matter Utilization by Attached and Free-Living Marine Bacteria.Frontiers in microbiology · 2019Article
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Proteorhodopsins (PR) are light-driven proton pumps widely distributed in bacterioplankton. Although they have been thoroughly studied for more than a decade, it is still unclear how the proton motive force (pmf) generated by PR is used in most organisms. Notably, very few PR-containing bacteria show growth enhancement in the light. It has been suggested that the presence of specific functions within a genome may define the different PR-driven light responses. Thus, comparing closely related organisms that respond differently to light is an ideal setup to identify the mechanisms involved in PR light-enhanced growth. Here, we analyzed the transcriptomes of three PR-harboring Flavobacteria strains of the genus Dokdonia: Dokdonia donghaensis DSW-1(T), Dokdonia MED134 and Dokdonia PRO95, grown in identical seawater medium in light and darkness. Although only DSW-1(T) and MED134 showed light-enhanced growth, all strains expressed their PR genes at least 10 times more in the light compared with dark. According to their genomes, DSW-1(T) and MED134 are vitamin-B1 auxotrophs, and their vitamin-B1 TonB-dependent transporters (TBDT), accounted for 10-18% of all pmf-dependent transcripts. In contrast, the expression of vitamin-B1 TBDT was 10 times lower in the prototroph PRO95, whereas its vitamin-B1 synthesis genes were among the highest expressed. Our data suggest that light-enhanced growth in DSW-1(T) and MED134 derives from the use of PR-generated pmf to power the uptake of vitamin-B1, essential for central carbon metabolism, including the TCA cycle. Other pmf-generating mechanisms available in darkness are probably insufficient to power transport of enough vitamin-B1 to support maximum growth of these organisms.
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