Differential Response of Indian Mustard ( L., Czern and Coss) Under Salinity: Photosynthetic Traits and Gene Expression

Overview

Journal Physiol Mol Biol Plants

Specialty Biology

Date 2019 Feb 27

PMID 30804631

Citations 4

Authors

Jogendra Singh

Vijayata Singh

T V Vineeth

Parveen Kumar

Neeraj Kumar

Parbodh C Sharma

Affiliations

Soon will be listed here.

Abstract

To explore the effect of salt stress on photosynthetic traits and gene expression in Indian mustard, four genotypes CS 54 (national check for salinity), CS 52-SPS-1-2012 (salt tolerant mutant), CS 614-4-1-4-100-13 (salt sensitive mutant) and Pusa bold (high yielding variety) were evaluated under irrigation water salinity (EC 12, and 15 dS m). Results suggest genotype CS 52-SPS-1-2012 followed by CS 54 performed better under imposed salt stress due to differential regulation of Na accumulation in the roots and main stem, restriction of Na influx from root to shoot, maintaining higher net photosynthetic traits under saline stress compared to CS 614-4-1-4-100-13 and Pusa bold. Further, overexpression of antiporters (, , , and ) and antioxidant (, , and ) genes in salt tolerant genotypes CS 52-SPS-1-2012 and CS 54 demonstrated their significant role in imparting salt tolerance in Indian mustard.

Citing Articles

Photosynthetic machinery under salinity stress: Trepidations and adaptive mechanisms.

Vineeth T, Krishna G, Pandesha P, Sathee L, Thomas S, James D Photosynthetica. 2024; 61(1):73-93.

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A method for screening salt stress tolerance in Indian mustard (Brassica juncea) (L.) Czern & Coss at seedling stage.

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Traditional rice landraces in Lei-Qiong area of South China tolerate salt stress with strong antioxidant activity.

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