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Screening and functional prediction of differentially expressed genes in walnut endocarp during hardening period based on deep neural network under agricultural internet of things

文献类型： 外文期刊

作者： Guo, Zhongzhong 1 ; Yu, Shangqi 1 ; Fu, Jiazhi 2 ; Ma, Kai 5 ; Zhang, Rui 2 ;

作者机构： 1.Tarim Univ, Coll Life Sci, Alar, Xinjiang, Peoples R China

2.Tarim Basin Xinjiang Prod & Construct Grp, Key Lab Biol Resource Protect & Utilizat, Alar, Xinjiang, Peoples R China

3.Natl & Local Joint Engn Lab High Efficiency & Sup, Alar, Xinjiang, Peoples R China

4.Tarim Univ, Coll Hort & Forestry Sci, Alar, Xinjiang, Peoples R China

5.Xinjiang Acad Agr Sci, Res Inst Hort Crops, Urumqi, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.752； 五年影响因子：4.069 ）

ISSN： 1932-6203

年卷期： 2022 年 17 卷 2 期

页码：

收录情况： SCI

摘要： The deep neural network is used to establish a neural network model to solve the problems of low accuracy and poor accuracy of traditional algorithms in screening differentially expressed genes and function prediction during the walnut endocarp hardening stage. The paper walnut is used as the research object to analyze the biological information of paper walnut. The changes of lignin deposition during endocarp hardening from 50 days to 90 days are observed by microscope. Then, the Convolutional Neural Network (CNN) and Long and Short-term Memory (LSTM) network model are adopted to construct an expression gene screening and function prediction model. Then, the transcriptome and proteome sequencing and biological information of walnut endocarp samples at 50, 57, 78, and 90 days after flowering are analyzed and taken as the training data set of the CNN + LSTM model. The experimental results demonstrate that the endocarp of paper walnut began to harden at 57 days, and the endocarp tissue on the hardened inner side also began to stain. This indicates that the endocarp hardened laterally from outside to inside. The screening and prediction results show that the CNN + LSTM model's highest accuracy can reach 0.9264. The Accuracy, Precision, Recall, and F1-score of the CNN + LSTM model are better than the traditional machine learning algorithm. Moreover, the Receiver Operating Curve (ROC) area enclosed by the CNN + LSTM model and coordinate axis is the largest, and the Area Under Curve (AUC) value is 0.9796. The comparison of ROC and AUC proves that the CNN + LSTM model is better than the traditional algorithm for screening differentially expressed genes and function prediction in the walnut endocarp hardening stage. Using deep learning to predict expressed genes' function accurately can reduce the breeding cost and significantly improve the yield and quality of crops. This research provides scientific guidance for the scientific breeding of paper walnut.

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