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MicroRNA399s and strigolactones mediate systemic phosphate signaling between dodder-connected host plants and control association of host plants with rhizosphere microbes
Zhao, Man; Zheng, Xijie; Su, Zhongxiang; Shen, Guojing; Xu, Yuxing; Feng, Zerui; Li, Wenxing; Zhang, Shuhan; Cao, Guoyan; Zhang, Jingxiong; Wu, Jianqiang
2025
发表期刊NEW PHYTOLOGIST
ISSN0028-646X
卷号245期号:3页码:1263-1276
摘要A dodder (Cuscuta) often simultaneously parasitizes two or more adjacent hosts. Phosphate (Pi) deficiency is a common stress for plants, and plants often interact with soil microbes, including arbuscular mycorrhizal fungi (AMF), to cope with Pi stress. Little is known about whether dodder transmits Pi deficiency-induced systemic signals between different hosts. In this study, dodder-connected plant clusters, each composed of two tobacco (Nicotiana tabacum) plants connected by a dodder, were established, and in each cluster, one of the two tobacco plants was treated with Pi starvation. AMF colonization efficiency, rhizosphere bacterial community, and transcriptome were analyzed in the other dodder-connected Pi-replete tobacco plant to study the functions of interplant Pi signals. We found that dodder transfers Pi starvation-induced systemic signals between host plants, resulting in enhanced AMF colonization, changes of rhizosphere bacterial communities, and alteration of transcriptomes in the roots of Pi-replete plants. Importantly, genetic analyses indicated that microRNA399s (miR399s) and strigolactones suppress the systemic Pi signals and negatively affect AMF colonization in the Pi-replete plants. These findings provide new insight into the ecological role of dodder in mediating host-host and host-microbe interactions and highlight the importance of strigolactone and miR399 pathways in systemic Pi signaling.
DOI10.1111/nph.20266
WOS记录号WOS:001356854900001
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/76195
专题中国科学院昆明植物研究所
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Zhao, Man,Zheng, Xijie,Su, Zhongxiang,et al. MicroRNA399s and strigolactones mediate systemic phosphate signaling between dodder-connected host plants and control association of host plants with rhizosphere microbes[J]. NEW PHYTOLOGIST,2025,245(3):1263-1276.
APA Zhao, Man.,Zheng, Xijie.,Su, Zhongxiang.,Shen, Guojing.,Xu, Yuxing.,...&Wu, Jianqiang.(2025).MicroRNA399s and strigolactones mediate systemic phosphate signaling between dodder-connected host plants and control association of host plants with rhizosphere microbes.NEW PHYTOLOGIST,245(3),1263-1276.
MLA Zhao, Man,et al."MicroRNA399s and strigolactones mediate systemic phosphate signaling between dodder-connected host plants and control association of host plants with rhizosphere microbes".NEW PHYTOLOGIST 245.3(2025):1263-1276.
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