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Transcriptome analyses of quinoa leaves revealed critical function of epidermal bladder cells in salt stress acclimation


Kiani-Pouya, A and Li, L and Rasouli, F and Zhang, Z and Chen, J and Yu, M and Tahir, A and Hedrich, R and Shabala, S and Zhang, H, Transcriptome analyses of quinoa leaves revealed critical function of epidermal bladder cells in salt stress acclimation, Plant Stress, 3 Article 100061. ISSN 2667-064X (2022) [Refereed Article]

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2022 The Authors. Published by Elsevier B.V. This is an open access article under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license (

DOI: doi:10.1016/j.stress.2022.100061


The ability of some halophytic plants such as Chenopodium quinoa to sequester large quantities of salt into epidermal bladder cell (EBC) is considered as one of the traits conferring their salinity stress resilience. In the current study, we used mRNA-seq to characterize transcriptome differences between intact and EBC-free quinoa leaves from plants that were treated with 400 mM NaCl for 4 weeks. Employing K-means clustering on differentially expressed genes identified clusters of genes showing distinct expression patterns, indicating significant differences between quinoa leaves with or without EBCs in response to salt stress. EBC-free leaves retained most transcriptome responses to salt stress as normal intact leaves. However, specific processes such as increased DNA replication activity failed to be induced in EBC-free leaves. This correlated with reduced expression of many immune response-related genes and increased expression of multiple phytohormone signaling components. These results revealed that EBCs play a critical role in salt stress acclimation of quinoa leaves and provided important candidate genes for further mechanistic studies.

Item Details

Item Type:Refereed Article
Keywords:quinoa; salt stress; acclimation; EBC
Research Division:Biological Sciences
Research Group:Plant biology
Research Field:Plant cell and molecular biology
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Grains and seeds not elsewhere classified
UTAS Author:Kiani-Pouya, A (Dr Ali Kiani-Pouya)
UTAS Author:Rasouli, F (Ms Fatemeh Rasouli)
UTAS Author:Shabala, S (Professor Sergey Shabala)
ID Code:155142
Year Published:2022
Web of Science® Times Cited:2
Deposited By:Agriculture and Food Systems
Deposited On:2023-01-30
Last Modified:2023-03-20
Downloads:3 View Download Statistics

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