ArticleISME communications2026
D- and L-lactate consumers are taxonomically, biochemically, and energetically different.
Article in ISME communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
D- and L-lactate are routinely produced as intermediates in fermentative ecosystems. However, the microbial fate of these stereoisomers remains poorly understood. Given that D-lactate is an unavoidable byproduct of digestion and a neurotoxin, understanding its microbial turnover not only holds ecological pertinence but also the potential to uncover new links between gut microbiota metabolism and host health. Here, we used chemostat bioreactors (pH 7.0, 37°C, and a solids retention time of 4 days) to enrich for lactate-consuming communities. DL-lactate-consuming consortia were enriched, characterized, and used as inoculum for duplicate bioreactors fed exclusively with D- or L-lactate. After steady-state was reached, the fed lactate stereoisomers were switched to assess community resilience. Regardless of the fed stereoisomer, the fermentation product spectra were consistent and dominated by acetate, propionate, and CO
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