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Title: Balanced callose and cellulose biosynthesis in Arabidopsis quorum-sensing signaling and pattern-triggered immunity
Authors: Liu, Xiaolin
Ma, Zhiming
Tran, Tuan Minh
Rautengarten, Carsten
Cheng, Yingying
Yang, Liang
Ebert, Berit
Persson, Staffan
Miao, Yansong
Keywords: Medicine, Health and Life Sciences
Issue Date: 2024
Source: Liu, X., Ma, Z., Tran, T. M., Rautengarten, C., Cheng, Y., Yang, L., Ebert, B., Persson, S. & Miao, Y. (2024). Balanced callose and cellulose biosynthesis in Arabidopsis quorum-sensing signaling and pattern-triggered immunity. Plant Physiology, 194(1), 137-152.
Project: RG32/20 
Journal: Plant Physiology 
Abstract: The plant cell wall (CW) is one of the most important physical barriers that phytopathogens must conquer to invade their hosts. This barrier is a dynamic structure that responds to pathogen infection through a complex network of immune receptors, together with CW-synthesizing and CW-degrading enzymes. Callose deposition in the primary CW is a well-known physical response to pathogen infection. Notably, callose and cellulose biosynthesis share an initial substrate, UDP-glucose, which is the main load-bearing component of the CW. However, how these 2 critical biosynthetic processes are balanced during plant-pathogen interactions remains unclear. Here, using 2 different pathogen-derived molecules, bacterial flagellin (flg22) and the diffusible signal factor (DSF) produced by Xanthomonas campestris pv. campestris, we show a negative correlation between cellulose and callose biosynthesis in Arabidopsis (Arabidopsis thaliana). By quantifying the abundance of callose and cellulose under DSF or flg22 elicitation and characterizing the dynamics of the enzymes involved in the biosynthesis and degradation of these 2 polymers, we show that the balance of these 2 CW components is mediated by the activity of a β-1,3-glucanase (BG2). Our data demonstrate balanced cellulose and callose biosynthesis during plant immune responses.
ISSN: 0032-0889
DOI: 10.1093/plphys/kiad473
Schools: School of Biological Sciences 
Research Centres: Singapore Centre for Environmental Life Sciences and Engineering (SCELSE) 
Rights: © The Author(s) 2023. Published by Oxford University Press on behalf of American Society of Plant Biologists. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (, which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Journal Articles

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