Yu Chen ¹ , Letan  Luo ² , Jinag  Shi ² , Lin  Zhao ²

1 Crop (Ecology) Research Institute of Hangzhou Academy of Agricultural Sciences, Hangzhou, 311300, Zhejiang, China
2 Science and Technology Bureau of Lin'an District, Hangzhou, 311300, Zhejiang, China
Author    Correspondence author
Genomics and Applied Biology, 2025, Vol. 16, No. 1   
Received: 18 Nov., 2024    Accepted: 23 Dec., 2024    Published: 10 Jan., 2025

This study offers an in-depth analysis of the genetic regulation of root architecture in sweet potato (Ipomoea batatas), focusing on key transcriptional and post-transcriptional mechanisms that govern storage root development. Through dynamic network biomarker analysis, transcription factors such as IbNAC083 and IbMYB73 were identified as critical regulators of root initiation and stress response. In addition, the study highlights developmentally regulated genes involved in root thickening, including the receptor-like kinase SRF6, as well as key pathways like anthocyanin biosynthesis mediated by IbMYB1-2 and tuberous root initiation controlled by IbMADS1. RNA-Seq and iTRAQ analyses revealed several vital pathways, such as starch biosynthesis and auxin response factor-mediated differentiation between storage and normal roots. This research provides a valuable foundation for future biotechnological approaches to enhance sweet potato yield and resilience, thereby advancing sustainable cultivation practices.

Sweet potato (Ipomoea batatas L.); Root architecture; Transcription factors; Storage root development; Genetic regulation; Auxin response