High-precision early warning system for rice cadmium accumulation risk assessment

被引:6
|
作者
Yan, Huili [1 ]
Guo, Hanyao [2 ]
Li, Ting [1 ,3 ]
Zhang, Hezifan [1 ,3 ]
Xu, Wenxiu [1 ]
Xie, Jianyin [4 ]
Zhu, Xiaoyang [4 ]
Yu, Yijun [5 ]
Chen, Jian [6 ]
Zhao, Shouqing [6 ]
Xu, Jun [7 ]
Hu, Minjun [7 ]
Jiang, Yugen [7 ]
Zhang, Hongliang [4 ,8 ]
Ma, Mi [1 ]
He, Zhenyan [1 ,9 ]
机构
[1] Chinese Acad Sci, Inst Bot, Key Lab Plant Resources, Beijing 100093, Peoples R China
[2] Hebei Normal Univ, Shijiazhuang 050024, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] China Agr Univ, Key Lab Crop Heterosis & Utilizat, Beijing Key Lab Crop Genet Improvement, Minist Educ, Beijing 100193, Peoples R China
[5] Zhejiang Stn Management Arable Land Qual & Fertili, Hangzhou 310020, Peoples R China
[6] Plant Protect Fertilizer & Rural Energy Agcy Wenli, Wenling 317500, Peoples R China
[7] Fuyang Agr Technol Extens Ctr, Fuyang 311400, Peoples R China
[8] Sanya Inst China Agr Univ, Sanya 572024, Peoples R China
[9] Chinese Acad Sci, Inst Bot, Xiangshan 100093, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
Genotype-to-phenotype prediction; Rice; Cd risk early warning; GENOMIC SELECTION; DAIRY-CATTLE; PREDICTION; CONTAMINATION; REGRESSION; IMPACT; GRAINS; SOILS; FIELD;
D O I
10.1016/j.scitotenv.2022.160135
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Rapid global industrialization has resulted in widespread cadmium contamination in agricultural soils and products. A considerable proportion of rice consumers are exposed to Cd levels above the provisional safe intake limit, raising widespread environmental concerns on risk management. Therefore, a generalized approach is urgently needed to enable correct evaluation and early warning of cadmium contaminants in rice products. Combining big data and computer science together, this study developed a system named "SMART Cd Early Warning", which integrated 4 modules including genotype-to-phenotype (G2P) modelling, high-throughput sequencing, G2P prediction and rice Cd contamination risk assessment, for rice cadmium accumulation early warning. This system can rapidly assess the risk of rice cadmium accumulation by genotyping leaves at seeding stage. The parameters including statistical methods, population size, training population-testing population ratio, SNP density were assessed to ensure G2P model exhibited superior performance in terms of prediction precision (up to 0.76 +/- 0.003) and computing efficiency (within 2 h). In field trials of cadmium-contaminated farmlands in Wenling and Fuyang city, Zhejiang Province, "SMART Cd Early Warning" exhibited superior capability for identification risk rice varieties, suggesting a potential of "SMART Cd Early-Warning system" in OsGCd risk assessment and early warning in the age of smart.
引用
收藏
页数:10
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