mitochondrial-function
Mitochondrial function refers to the biochemical processes carried out by mitochondria, including cellular respiration, ATP production, and metabolic regulation within plant cells. In plants, mitochondria play a particularly critical role due to their tight coordination with chloroplasts, influencing energy balance, stress responses, and carbon metabolism. Understanding mitochondrial function helps researchers improve crop resilience, optimize photosynthetic efficiency, and unravel how plants adapt to environmental challenges.
PubMed · 2026-04-01
A new review examines how fruits use special 'alternative' energy pathways in their cells during growth and ripening, revealing these pathways are critical for maintaining metabolic balance rather than just being biochemical sideshows.
Alternative respiratory pathways — including alternative oxidase, uncoupling proteins, and type II NAD(P)H dehydrogenases — are now recognized as central regulators of fruit ripening, not minor metabolic curiosities.
These pathways support both primary metabolism (energy production) and secondary metabolism (flavor compounds, pigments, antioxidants) by maintaining redox and energy balance in fruit cells.
The classical climacteric vs. non-climacteric fruit distinction is being revisited in light of new evidence about how these alternative mitochondrial components function differently across fruit types.