Indole -3-acetic acid improves drought tolerance of white clover associated with activating auxin-related genes, abscisic acid and jasmonic acid-induced stress responsive transcription factors, and inhibiting senescence genes

Zhang, Youzhi; Li, Yaping; Hassan, Muhammad Jawad; Li, Zhou; Yan, Peng

doi:10.21203/rs.2.16687/v3

Cited by 2 publications

(1 citation statement)

References 63 publications

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“…Taking into account the effect of IAA and the general trend in the literature, this regulator might be able to decrease REL values under stress conditions in plants (Xing et al 2016;Zhang et al 2020). However, we observed that IAA did not cause any change in the REL value under salinity.…”

Section: Discussionmentioning

confidence: 89%

Treatment with auxin and paclobutrazol mediates ROS regulation, antioxidant defence system and cell wall response in salt treated soybean

Ayvaci,

Koc,

Cetinkaya

et al. 2023

Braz. J. Bot

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IAA and PBZ play important role in resisting abiotic stress for plants. However, the effects of combination of these regulators in plants under salinity remained obscure. In the current study, the role of 50 ppm IAA and 10 ppm PBZ on mitigating salt stress (200 and 300 mM NaCl) was investigated in soybean (Glycine max L. cv. Planet). We identi ed that IAA or PBZ and IAA + PBZ improved the physiological parameters that damaged by salinity but PBZ performed best as observed by SEM. However, IAA was more succesfull to induce some antioxidant enzymes (SOD, CAT, APX, POX) although both of them reduced or did not affect GSH-related enzymes (DHAR, MDHAR, GST, GR, GPX). Beside this, combination of IAA and PBZ treatment showed the lowest MDA with inhibited salt stress induced oxidative damage. Additionally, PBZ was more effective against as IAA to reduce the PME and PAL enzyme activities as well as decreased arabinose content, while they were increased with salinity. IAA or PBZ increased lignin content and lead to reduce loosening in roots, while IAA performed best. Overall, this study rstly presents that these regulators ( 50 ppm IAA; 10 ppm PBZ) could be used together to increase salt tolerance in soybean plants via regulating physiological and biochemical metabolism, antioxidant defense system and cell wall modi ed parameters. Thus, the application of IAA /PBZ to salt treated soybean plants could be utilized as a model to increase plant's resistance under stress conditions.

show abstract

Section: Discussionmentioning

confidence: 89%

Treatment with auxin and paclobutrazol mediates ROS regulation, antioxidant defence system and cell wall response in salt treated soybean

Ayvaci,

Koc,

Cetinkaya

et al. 2023

Braz. J. Bot

View full text Add to dashboard Cite

show abstract

Treatment With Auxin and Paclobutrazol Mediates Ros Regulation, Antioxidant Defence System and Cell Wall Response in Salt Treated Soybean

AYVACI,

KOC,

CETINKAYA

et al. 2023

Preprint

View full text Add to dashboard Cite

IAA and PBZ play important role in resisting abiotic stress for plants. However, the effects of combination of these regulators in plants under salinity remained obscure. In the current study, the role of 50 ppm IAA and 10 ppm PBZ on mitigating salt stress (200 and 300 mM NaCl) was investigated in soybean (Glycine max L. cv. Planet). We identified that IAA or PBZ and IAA + PBZ improved the physiological parameters that damaged by salinity but PBZ performed best as observed by SEM. However, IAA was more succesfull to induce some antioxidant enzymes (SOD, CAT, APX, POX) although both of them reduced or did not affect GSH- related enzymes (DHAR, MDHAR, GST, GR, GPX). Beside this, combination of IAA and PBZ treatment showed the lowest MDA with inhibited salt stress induced oxidative damage. Additionally, PBZ was more effective against as IAA to reduce the PME and PAL enzyme activities as well as decreased arabinose content, while they were increased with salinity. IAA or PBZ increased lignin content and lead to reduce loosening in roots, while IAA performed best. Overall, this study firstly presents that these regulators ( 50 ppm IAA; 10 ppm PBZ) could be used together to increase salt tolerance in soybean plants via regulating physiological and biochemical metabolism, antioxidant defense system and cell wall modified parameters. Thus, the application of IAA /PBZ to salt treated soybean plants could be utilized as a model to increase plant’s resistance under stress conditions.

show abstract

Indole -3-acetic acid improves drought tolerance of white clover associated with activating auxin-related genes, abscisic acid and jasmonic acid-induced stress responsive transcription factors, and inhibiting senescence genes

Cited by 2 publications

References 63 publications

Treatment with auxin and paclobutrazol mediates ROS regulation, antioxidant defence system and cell wall response in salt treated soybean

Treatment with auxin and paclobutrazol mediates ROS regulation, antioxidant defence system and cell wall response in salt treated soybean

Treatment With Auxin and Paclobutrazol Mediates Ros Regulation, Antioxidant Defence System and Cell Wall Response in Salt Treated Soybean

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