Junhui Yan¹, Yawen Wang¹, Qiong Li¹, Yu Zhou², Xu Wang^2,*, Li Luo^1,*

Phyton-International Journal of Experimental Botany, Vol.93, No.6, pp. 1237-1248, 2024, DOI:10.32604/phyton.2024.051517

Abstract Rhizobia induces nitrogen-fixing nodules in legumes used in agricultural production, providing a direct source of combined nitrogen to leguminous crops. Small peptides, such as CLAVATA3/EMBRYO SURROUNDING REGION peptides (CLE), are known to regulate the formation and development of nitrogen-fixing nodules in legumes. Root meristem growth factor (RGF) peptides from Medicago truncatula not only regulate root development but also modulate nodulation symbiosis with Sinorhizobium meliloti. However, the impact of RGF peptides from one leguminous species on the others remains unclear. In this study, we investigate the effects of the RGF family peptide MtRGF6p from M. truncatula on nodulation symbiosis… More >

Elizabeth Carrillo-Flores¹, Jonanci Arreola-Rivera¹, Denní Mariana Pazos-Solís², Moisés Bocanegra-Mondragón², Grisel Fierro-Romero³, Ma. Elena Mellado-Rojas¹, Elda Beltrán-Peña^1,*

Phyton-International Journal of Experimental Botany, Vol.91, No.11, pp. 2383-2401, 2022, DOI:10.32604/phyton.2022.021507

Abstract The potential of Plant Growth Promoting Rhizobacteria (PGPR) has been demonstrated in the case of plant inoculation with bacteria of the genus Azospirillum which improves yield. A. brasilense produces a wide variety of molecules, including the natural auxin indole-3-acetic acid (IAA), as well as other phytoregulators. However, several studies have suggested that auxin induces changes in plant development during their interaction with the bacteria. The effects of A. brasilense Sp245 on the development of Arabidopsis thaliana root were investigated to help explain the molecular basis of the interaction. The results obtained showed a decrease in primary root length from More >

Yu-Jyun Chen, Xian-Hao Yang, Yun-Yang Chao^*

Phyton-International Journal of Experimental Botany, Vol.90, No.5, pp. 1477-1489, 2021, DOI:10.32604/phyton.2021.015719

Abstract Nanosilver (10⁻⁹ m) refers to particles comprising 20–15,000 silver atoms, exhibiting high stability and specific surface area. At present, nanosilver has been used in agricultural cultivation and production. This study examined the effects of nanosilver on growth and development of rice root systems. Study results showed that fresh weight of rice belowground organs and root length both increased significantly by 5% and 25%, respectively, after rice radicles were treated with 2 ppm of nanosilver for three days. However, the H₂O₂ level reached its peak at 2 days from treatment, but the activities of the antioxidant enzymes… More >