Interactive Effect of Organic (Urea-N) and Halo (NaCl) Priming on Photosystem II Efficiencies and Physiological Tolerance in Flax Plants under Saline Environment

Siddiqui, Zamin Shaheed; Asim, N.; Uddin, Zaheer

doi:10.1134/s102144372205020x

Russ J Plant Physiol

2022

DOI: 10.1134/s102144372205020x

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Interactive Effect of Organic (Urea-N) and Halo (NaCl) Priming on Photosystem II Efficiencies and Physiological Tolerance in Flax Plants under Saline Environment

Zamin Shaheed Siddiqui

N. Asim²,

Zaheer Uddin³

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2024

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References 31 publications

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A comparative analysis between two flax varieties indicates lignan-mediated salt stress adaptiveness

Debnath,

Harenčár,

Kučka

et al. 2024

Preprint

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United Nations predicted forthcoming food scarcity creates an urgency in research to assess and improve agriculturally important plant yield under environmental stress conditions. In this context, lignans are potential defensive substances that accumulate in plants during abiotic stresses. Flax (Linum usitatissimumL.) is one of the richest lignan source. Plant genotypes differ in lignan contents. Therefore, to draw a correlation between genotype-specific lignan content and plant salinity-adaptiveness, we compared two flax varieties Flanders and Astella, where Flanders has higher lignan contents than Astella. We used a 1-week NaCl stress for the study. Post-stress morphological analyses revealed comparatively higher growth arrest in Flanders, suggesting its energy and resource-saving behaviour than Astella. Salinity-mediated reactive oxygen species production and associated cell damage were relatively greater in Astella than in Flanders. In biochemical stress marker assays, we found comparatively upregulated antioxidants and osmoprotection machinery in Flanders, showing its higher ROS scavenging and cellular protection capabilities than Astella. Moreover, the two-tailed qPCR assay showed comparatively higher upregulation of three lignan biosynthesis-related miRNAs - miR168a, miR399g, and miR828a in stressed Flanders indicating its emphasised involvement of lignans in salt stress mitigation. The results depict the superiority of Flanders in salt stress mitigation over Astella.

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A comparative analysis between two flax varieties indicates lignan-mediated salt stress adaptiveness

Debnath,

Harenčár,

Kučka

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Interactive Effect of Organic (Urea-N) and Halo (NaCl) Priming on Photosystem II Efficiencies and Physiological Tolerance in Flax Plants under Saline Environment

Cited by 1 publication

References 31 publications

A comparative analysis between two flax varieties indicates lignan-mediated salt stress adaptiveness

A comparative analysis between two flax varieties indicates lignan-mediated salt stress adaptiveness

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