Combining methionine restriction, taurine supplementation, and moderate exercise synergistically extends lifespan while preserving reproductive capacity and locomotor function in fruit flies. The mechanism involves enhanced mitochondrial metabolism and gut redox balance, with specific bacterial taxa mediating part of the effect.
Key Points
- Multimodal intervention additively extended lifespan without sacrificing physical performance
- Mitochondrial TCA cycle flux and gut redox homeostasis emerged as central metabolic drivers
- Lactiplantibacillus plantarum partially mediates lifespan and healthspan benefits
Longevity Analysis
This research demonstrates that lifespan extension need not compromise functional health—a critical distinction often obscured in aging research. The synergy between dietary modification, physical activity, and microbial composition reveals how interventions targeting energy production pathways and antioxidant defenses work through interconnected rather than redundant mechanisms. For practitioners designing interventions, the work indicates that addressing metabolic efficiency at the mitochondrial level, supporting the intestinal barrier through both nutrition and movement, and maintaining microbial diversity represent distinct but complementary approaches rather than competing strategies.
Original published by Wiley Aging Cell, by Fangchao Wei, Shiyu Liu, Yudong Sun, Haipeng Huang, Juan Liu, Fengzhong Wang, Bei Fan .