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摘要
En 中文
Biocontainment of genetically modified microorganisms (GMMs) is thought to be essential to maintain the genetic integrity and lineages of native organisms of the same species in the environment as well as to minimize any ecological risk from release of a novel genetic construct. Saccharomyces cerevisiae, a common agent used in food and beverage production, additionally necessitates preventing any risk to human health from accidental penetrance of the GMM in technological sites or lineages. Multiple factors need to be considered in the design of a GMM with the potential for escape to avoid unwanted consequences. Biocontainment efficacy requires understanding the full spectrum of potential ways in which release of a GMM could occur and the impact of that escape from containment on the environment. In an Applied and Environmental Microbiology article by N. A. Lamb et al. (91:e00741-25, 2025, https://doi.org/10.1128/aem.00741-25), the authors make the case for a more comprehensive evaluation of biocontainment of GMMs destined for industrial use and raise the critical need of developing and using sound design strategies to assure biocontainment efficacy. The authors demonstrate through analysis of mutants evading genetic biocontainment that existing design strategies have not been adequately evaluated. Although beyond the scope of this research study, sound design strategies should include minimizing the impact to the ecosystem should unintended release of the GMM occur. Potential impact of release requires a deeper understanding of the genomic plasticity of wild and domestic lineages of S. cerevisiae. Fortunately, an extensive analysis of the biodiversity of yeast strains isolated from natural and technological ecosystems and their genetic interactions has been conducted and may be useful in redefining concepts of biocontainment efficacy.
Keyword:
Saccharomyces
Brettanomyces
GMM
biocontainment
期刊
IF:
3.7
论文数:
2.4W
被引数:
8.9W
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