农业生物技术

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整合多源植物转录组数据,山东理工大学等构建PlantLncBoost模型,跨物种lncRNA预测准确率最高达96%
3 6 Ke· 2025-06-18 07:44
Core Insights - The research team, including Shandong University of Technology and several international institutions, developed the PlantLncBoost model to address the challenges of identifying plant lncRNA [1][3][24] - The model achieved an average prediction accuracy of 91.7% across 12 different plant datasets, outperforming existing tools by 18.2% [3][17] - The study highlights the importance of lncRNA in plant growth, development, and environmental adaptation, emphasizing its role in regulating flowering time and responding to climate change [1][2] Model Development - The PlantLncBoost model incorporates 219 novel sequence descriptors based on mathematical theories such as Fourier transform and Shannon entropy [3][6] - The model was trained using a dataset of 24,152 lncRNA sequences from nine angiosperm species, ensuring high reliability through strict quality control [4][7] - Feature selection involved recursive feature elimination (RFE) to identify three core parameters with cross-species discrimination capability [3][11] Performance Evaluation - The model was validated using two key test sets: a comprehensive test set covering 20 diverse plant species and a high-confidence experimental validation set [5][19] - PlantLncBoost demonstrated superior performance with sensitivity at 98.42%, specificity at 94.93%, and accuracy at 96.63%, significantly surpassing other mainstream models [22][21] - The model's ROC curve achieved an AUC of 98.35%, indicating its effectiveness in prediction [19][22] Feature Engineering - A total of 1,662 features were extracted, including traditional sequence-based metrics and innovative mathematical features, enhancing the model's ability to identify lncRNA [6][15] - The model's performance peaked with a lightweight feature set, confirming the effectiveness of using a minimal number of key features [13][15] Collaborative Efforts - The research reflects a growing trend of collaboration between academic institutions and enterprises in advancing plant lncRNA research and applications [24][26] - Innovations in lncRNA research are expected to contribute to sustainable agricultural practices and ecological balance [26][27]
成都温江国家农业科技园区发布投资机会清单 寻找发展“合伙人”
Sou Hu Cai Jing· 2025-05-16 08:58
Core Viewpoint - Chengdu Wenjiang National Agricultural Science and Technology Park is actively seeking investment partners through the release of a 2025 investment opportunity list, aiming to enhance its agricultural technology and innovation ecosystem [1][3]. Group 1: Investment Opportunities - The investment opportunity list includes 8 plots of state-owned construction land, 14 plots of collective construction land, 8 research and commercial carriers, and 7 project cooperation resources [3]. - Notable state-owned commercial land includes 36 and 32 acres located in the knowledge economy circle near Sichuan Agricultural University and other agricultural research institutions, positioning it as a core development area for modern urban agriculture [3]. Group 2: Project Collaboration - The Chengdu Wenjiang Modern Urban Agriculture Industrial Park project covers approximately 411.53 acres and includes various functional areas for agricultural production and innovation, aiming to establish a new landmark in modern urban agriculture [4]. - The park is open to collaboration with state-owned enterprises like Longke Group for joint development and operational management, enhancing its competitive edge and regional influence [4]. Group 3: Investor Engagement - The release of the opportunity list has attracted significant interest from investors, with many expressing a desire to strengthen cooperation and explore investment opportunities [4]. - The park's management emphasizes a favorable business environment characterized by supportive policies and dedicated services to facilitate investment and development [4].