Chinese Bulletin of Botany ›› 2023, Vol. 58 ›› Issue (6): 1008-1018.DOI: 10.11983/CBB22208

• SPECIAL TOPICS • Previous Articles    

Research Progress on Physiological Functions of Suberin lamellae in Water and Solutes Transport

Biao Zhang1,2, Jian Wu3, Yang Zhang4, Xiaowei Dong4, Shuo Han3, Xin Gao3, Congwu Du3, Huiying Li3, Xuefa Chong3, Yingying Zhu1, Haiwei Liu1,*()   

  1. 1Institute of Tobacco Research of Chinese Academy of Agricultural Sciences/Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture and Rural Affairs, Qingdao 266101, China
    2Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China
    3Shandong Linyi Tobacco Co., Ltd., Linyi 276000, China
    4China Tobacco Shandong Industrial Co., Ltd., Jinan 250000, China
  • Received:2022-08-31 Accepted:2023-01-10 Online:2023-11-01 Published:2023-11-27
  • Contact: * E-mail:

Abstract: Plant roots can acquire water and nutrients selectively from soil and transport them upwards to the aerial parts for plant growth and development. These functions are closely related to their anatomical structures. The radial transport of water and solutes absorbed by roots mainly includes three different pathways, namely, the apoplastic pathway, the symplastic pathway and the transcellular pathway. The endodermis is the innermost cell layer that surrounds the central vasculature. For a long time, endodermal differentiation formed the Casparian strips has been considered to play a decisive role in blocking water and solutes transport through the apoplastic pathway. However, in recent years, it has been found that suberin lamellae formed by endodermal differentiation plays no less important role in the radial transport of water and solutes than Casparian strips, and even that suberization is the second life of an endodermal cell. In this paper, we reviewed the latest research progress on the physiological function of suberin lamellae in water and solutes transport in recent years, and discussed the relationship between suberin lamellae and drought, salt, nutrient and heavy metal stress of crops, in order to provide a reference for the theory and practice of endodermal plasticity in the regulation of plant physiological function.

Key words: root, endodermis, suberin lamellae, water and solutes, physiological functions