MtESN2 is a subgroup II sulphate transporter required for symbiotic nitrogen fixation and prevention of nodule early senescence in Medicago truncatula.

Adequate distribution of mineral sulphur (S) nutrition to nodules mediated by sulphate transporters is crucial for nitrogen fixation in symbiosis establishment process. However, the molecular mechanisms underlying this process remain largely unknown. In this study, we characterized the function of Early Senescent Nodule 2 (MtESN2), a gene crucial to nitrogen fixation in Medicago truncatula.

An aggregation-induced phosphorescence probe for calcium ion-specific detection and live-cell imaging in Arabidopsis thaliana.

A molecular probe with aggregation-induced phosphorescence (AIP) properties for calcium ion-specific detection and imaging in vivo was designed. The long-lived phosphorescence caused by calcium-triggered aggregation enables establishment of a first time-gated detection method for calcium ions and long-term imaging in Arabidopsis thaliana.