NRTPredictor: identifying rice root cell state in single-cell RNA-seq via ensemble learning
文献类型: 外文期刊
第一作者: Wang, Hao
作者: Wang, Hao;Lin, Yu-Nan;Yan, Shen;Hong, Jing-Peng;Tan, Jia-Rui;Chen, Yan-Qing;Cao, Yong-Sheng;Fang, Wei
作者机构:
关键词: Machine learning; Marker genes; scRNA-seq; Rice root tips; Cell subpopulations
期刊名称:PLANT METHODS ( 影响因子:5.1; 五年影响因子:6.1 )
ISSN:
年卷期: 2023 年 19 卷 1 期
页码:
收录情况: SCI
摘要: BackgroundSingle-cell RNA sequencing (scRNA-seq) measurements of gene expression show great promise for studying the cellular heterogeneity of rice roots. How precisely annotating cell identity is a major unresolved problem in plant scRNA-seq analysis due to the inherent high dimensionality and sparsity.ResultsTo address this challenge, we present NRTPredictor, an ensemble-learning system, to predict rice root cell stage and mine biomarkers through complete model interpretability. The performance of NRTPredictor was evaluated using a test dataset, with 98.01% accuracy and 95.45% recall. With the power of interpretability provided by NRTPredictor, our model recognizes 110 marker genes partially involved in phenylpropanoid biosynthesis. Expression patterns of rice root could be mapped by the above-mentioned candidate genes, showing the superiority of NRTPredictor. Integrated analysis of scRNA and bulk RNA-seq data revealed aberrant expression of Epidermis cell subpopulations in flooding, Pi, and salt stresses.ConclusionTaken together, our results demonstrate that NRTPredictor is a useful tool for automated prediction of rice root cell stage and provides a valuable resource for deciphering the rice root cellular heterogeneity and the molecular mechanisms of flooding, Pi, and salt stresses. Based on the proposed model, a free webserver has been established, which is available at https://www.cgris.net/nrtp.
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