ReviewPublished 24 September 2026Plastoquinone’s pivotal role in photosynthesis and redox sensing: a thylakoid redox hub for chloroplast and cyanobacterial signalingSapna Tiwari · Rinkesh Gupta · Anjali Gupta · Priyul Pandey · Shailendra Pratap SinghFrontiers in Photobiologydoi 10.3389/fphbi.2026.1861551