Comprehensive Analysis of Differentially Expressed Genes and Epigenetic Modification-Related Expression Variation Induced by Saline Stress at Seedling Stage in Fiber and Oil Flax, Linum usitatissimum L

The ability of different germplasm to adapt to a saline–alkali environment is critical to learning about the tolerance mechanism of saline–alkali stress in plants. Flax is an important oil and fiber crop in many countries. However, its molecular tolerance mechanism under saline stress is still not c...

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Published in:Plants (Basel) 2022-08, Vol.11 (15), p.2053
Main Authors: Wang, Ningning, Lin, Yujie, Qi, Fan, Xiaoyang, Chunxiao, Peng, Zhanwu, Yu, Ying, Liu, Yingnan, Zhang, Jun, Qi, Xin, Deyholos, Michael, Zhang, Jian
Format: Article
Language:English
Subjects:
Alkaline soils
differentially expressed genes
epigenetic modification associated
Epigenetics
Flax
Gene expression
Genes
Genomes
Genotypes
Germplasm
Hormones
Linum usitatissimum
Oilseeds
Physical characteristics
Saline soils
saline stress
Salinity
Seedlings
Soil conditions
tissue/organ specificity
Transcription factors
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Summary:The ability of different germplasm to adapt to a saline–alkali environment is critical to learning about the tolerance mechanism of saline–alkali stress in plants. Flax is an important oil and fiber crop in many countries. However, its molecular tolerance mechanism under saline stress is still not clear. In this study, we studied morphological, physiological characteristics, and gene expression variation in the root and leaf in oil and fiber flax types under saline stress, respectively. Abundant differentially expressed genes (DEGs) induced by saline stress, tissue/organ specificity, and different genotypes involved in plant hormones synthesis and metabolism and transcription factors and epigenetic modifications were detected. The present report provides useful information about the mechanism of flax response to saline stress and could lead to the future elucidation of the specific functions of these genes and help to breed suitable flax varieties for saline/alkaline soil conditions.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants11152053