Bacterial sulfoquinovose cycling across aquatic ecosystems

Clicks: 20
ID: 321660
2026
Free PDF
Article Quality & Performance Metrics
Overall Quality
Not rated
Combines reader engagement with the AI quality analysis. This article has not been analysed, so there is no overall score — reader engagement is measured and shown alongside.
AI Quality Assessment
Not analyzed
Readership in this journal
Emerging

Ranked #18 of 102 articles by views in FEMS microbiology reviews

Most read Least read

Bar heights use a square-root scale.

Mint this article as an NFT
Not yet minted

Create a permanent, verifiable on-chain record of this article on the Scimatic Network. The NFT is held in your Journament account, and you can withdraw it to your own wallet at any time.

5 SUSD one-off · no wallet required
Sign in to mint
Abstract
Sulfoquinovosyldiacylglycerol (SQDG) is a ubiquitous sulfolipid of phototroph membranes, including those of oxygenic phototrophs and some anoxygenic phototrophic bacteria, and its headgroup sulfoquinovose (SQ) represents one of the most abundant organosulfur compounds in the biosphere. Global SQ production is estimated at ∼10 Pg yr-1, with marine systems alone contributing ∼1.5 Pg C yr-1 in SQ-containing compounds. In marine systems, heterotrophic processing of SQ is increasingly well characterized, whereas the pathways governing SQ transformation in freshwater environments remain poorly resolved. SQ enters both marine and freshwater systems primarily through turnover of phototrophic biomass, with freshwater systems also receiving terrestrial plant-derived sulfolipids. Although phototrophs synthesize SQDG for membrane function, cyanobacteria appear to have limited capacity for SQ catabolism, and SQ turnover is largely mediated by heterotrophic microorganisms. This functional partitioning establishes a metabolic relay in which distinct microbial guilds mediate successive steps of SQ processing, from extracellular sulfolipid hydrolysis to intracellular sulfoglycolysis and terminal sulfur mineralization. Here, we integrate current knowledge of the enzymatic pathways and microbial interactions underpinning SQ transformation within their ecological context. We propose that SQ metabolism constitutes an important, yet underappreciated, axis of aquatic sulfur biogeochemistry, particularly in freshwater systems where cyanobacterial production of dimethylsulfoniopropionate is minimal.
Reference Key
openalex_W7169807845 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Reagan Lee, Wonjae Kim, Jihye Bae, Woojun Park
Journal FEMS microbiology reviews
Year 2026
DOI
10.1093/femsre/fuag034
URL
https://doi.org/10.1093/femsre/fuag034
Keywords Keywords not found

Citations

No citations found. To add a citation, contact the admin at info@scimatic.org

Comments

No comments yet. Be the first to comment on this article.