01917nam a2200217Ia 4500003001000000005001700010040000900027245010000036490004200136500001500178520118600193650001001379650001601389650002501405650003101430700001301461700001301474700001301487856015801500008004101658MX-MdCICY20260521092148.0  cCICY10aAuxin promotes chloroplast division by increasing the expression of chloroplast division genes.0 aPlant Cell Reports, 44(1), 20, 2025.  aArtículo3 aChloroplasts divide by binary fission, forming a ring complex at the division site. Auxin, particularly indole acetic acid (IAA), significantly influences various aspects of plant growth. However, the impact of auxin on chloroplast division remains unclear. In this study, different concentrations of exogenous IAA were applied to wild Arabidopsis thaliana. The results showed that the number and size differences of chloroplasts in the cells of Arabidopsis thaliana treated with high concentrations of IAA increased compared to untreated plants. Further investigation revealed that high concentrations of IAA affected the expression of chloroplast division genes and the formation of division rings. In chloroplast division mutants, the effect of IAA on promoting chloroplast division is impaired. Defects of IAA synthetic gene also lead to a reduced effect of IAA on chloroplast division. Our findings demonstrate that auxin influences chloroplast division by regulating the expressions of chloroplast division genes and affecting the localization of division rings. These results are significant for further exploring the relationship between auxin and chloroplast division.14aAUXIN14aCHLOROPLAST14aCHLOROPLAST DIVISION14aCHLOROPLAST DIVISION GENES12aWang, Y.12aZhou, Z.12aLiu, X. 40uhttps://drive.google.com/file/d/1vkeDFeUEqkKCa0kgBKmzmiXUJQB3JsN-/view?usp=drive_linkzPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx251009s9999    xx            000 0 und d