Metabolomic and transcriptomic analyses of rice plant interaction with invasive weed Leptochloa chinensis
文献类型： 外文期刊
作者： Zhang, Liang 1 ; Chen, Ke 1 ; Li, Tianrui 1 ; Yuan, Shuren 1 ; Li, Chenyang 3 ; Bai, Lianyang 1 ; Wang, Lifeng 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Longping Branch, Changsha, Peoples R China
2.Hunan Acad Agr Sci, Hunan Rice Res Inst, Key Lab Indica Rice Genet & Breeding Middle & Lowe, Minist Agr & Rural Affairs, Changsha, Peoples R China
3.Hunan Univ, Coll Biol, State Key Lab Chemo Biosensing & Chemometr, Changsha, Peoples R China
4.Hunan Univ, Hunan Prov Key Lab Plant Funct Genom & Dev Regulat, Changsha, Peoples R China
5.Huangpu Res Inst Longping Agr Sci & Technol, Guangzhou, Peoples R China
关键词： rice; Leptochloa chinensis; metabolome; transcriptome; allelopathy
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2023 年 14 卷
页码：
收录情况： SCI
摘要： Introduction: Leptochloa chinensis is an annual weed in paddy fields, which can engage in competition with rice, leading to a severe yield reduction. However, theunderlying mechanism governing this interaction remain unknown.Methods: In this study, we investigated the mutual inhibition between rice and the weed undermono-culture and co-culture conditions. We found that the root exudates of both species played essential roles in mediating the mutual inhibition. Further metabolomic analysis identified a significant number of differential metabolites. These metabolites were predominantly enriched in the phenylpropanoid and flavonoid biosynthesis pathways in weed and rice. Transcriptomic analysis revealed that the differentially expressed genes responding to the interaction were also enriched in these pathways.Results: Phenylpropanoid and flavonoid biosynthesis pathways are associated with allelopathy, indicating their pivotal role in the response of rice-weed mutual inhibition.Discussion: Our findings shed light on the conserved molecular responses of rice and L. chinensis during theirinteraction, provide evidence to dissect the mechanisms underlying the allelopathic interaction and offer potential strategies for weed management in rice paddies.
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