Role of strigolactones: Signalling and crosstalk with other phytohormones

Faizan, Mohammad; Faraz, Ahmad; Sami, Fareen; Siddiqui, Husna; Yusuf, Mohammad; Gruszka, Damian; Hayat, Shamsul

doi:10.1515/biol-2020-0022

Cited by 44 publications

(20 citation statements)

References 131 publications

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“…However, the number of hours supplemented to the soybean crop (about 40 hours) could not explain the extra yield (57.3%) generated by additional photosynthesis. Other hypotheses should be considered, like photomorphogenesis (light-mediated development) [46,47], upregulation or downregulation of phytohormones and phytochromes [47][48][49], and changes to the secondary plant metabolism [50,51].…”

Section: Discussionmentioning

confidence: 99%

Improving Soybean Production Under Light Supplementation at Field - A Case Study

Lemes

Azevedo

Domiciano

et al. 2020

Preprint

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In modern agriculture, there is a growing need for cropping efficiency e low environmental impacts. Diverse technologies are becoming available in a recent wave of modernization and integration of knowledge. The use of high-efficiency light supplementation to plant development is scarce to high-productive crops at field conditions (outdoor). The objectives of this study were to evaluate soybean plant and yield responses in an open commercial area (field scale) cultivated with artificial light supplementation. A commercial irrigated (pivot) area received an illumination system for light supplementation (LS) in the inner pivot spans. The light applied was a composition of blue, green and red bands. The outer pivot spans did not receive light supplementation (nLS). About 40 hours of LS were applied to the plants during the soybean crop cycle. Internode number, plant height, pods per plant were weekly evaluated to compose the area under the progress curve (AUPC). The grain yield was also evaluated at harvest. Analysis of variance and test of averages were used to evaluate the data. The AUPC of the internode number, plant height and pods per plant were 15.6, 23.3 and 25.3% higher than for the LS treatment. The regular soybean cycle (nLS) was about 17 weeks; however, the harvest of the LS treatment happened three weeks later. The grain productivity of the nLS was about 4,500 kg ha-1 (75 bags), and of the LS treatment was about 7,080 kg ha-1 (118 bags) - 57.3% superior. Light supplementation at field scale is a challenge; however, affordable and field resistant technologies are now accessible. The present study is the first report of light supplementation used to improve soybean crop production at field scale. The possibility of using light regulation as an additional technique for increasing yields and sustainable production are also discussed.

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Section: Discussionmentioning

confidence: 99%

Improving Soybean Production Under Light Supplementation at Field - A Case Study

Lemes

Azevedo

Domiciano

et al. 2020

Preprint

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“…Strigolactones belong to a more recently studied group of phytohormones involved in growth and development processes mainly in symbiotic mycorrhizal plant-fungi association ( Faizan et al, 2020 ). These are also involved in the regulation of stress responses in plants.…”

Section: S-nitrosylated Proteins Predicted In Brassinosteroid and Str...mentioning

confidence: 99%

Phytohormonal Regulation Through Protein S-Nitrosylation Under Stress

et al. 2022

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The liaison between Nitric oxide (NO) and phytohormones regulates a myriad of physiological processes at the cellular level. The interaction between NO and phytohormones is mainly influenced by NO-mediated post-translational modifications (PTMs) under basal as well as induced conditions. Protein S-nitrosylation is the most prominent and widely studied PTM among others. It is the selective but reversible redox-based covalent addition of a NO moiety to the sulfhydryl group of cysteine (Cys) molecule(s) on a target protein to form S-nitrosothiols. This process may involve either direct S-nitrosylation or indirect S-nitrosylation followed by transfer of NO group from one thiol to another (transnitrosylation). During S-nitrosylation, NO can directly target Cys residue (s) of key genes involved in hormone signaling thereby regulating their function. The phytohormones regulated by NO in this manner includes abscisic acid, auxin, gibberellic acid, cytokinin, ethylene, salicylic acid, jasmonic acid, brassinosteroid, and strigolactone during various metabolic and physiological conditions and environmental stress responses. S-nitrosylation of key proteins involved in the phytohormonal network occurs during their synthesis, degradation, or signaling roles depending upon the response required to maintain cellular homeostasis. This review presents the interaction between NO and phytohormones and the role of the canonical NO-mediated post-translational modification particularly, S-nitrosylation of key proteins involved in the phytohormonal networks under biotic and abiotic stresses.

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“…As physiological processes vary, so do the interactions between SLs and CK. CK and SLs regulate separate processes and function independently in adventitious rooting, synergistically controlling LR development, but antagonistically regulating axillary bud outgrowth ( Dun et al, 2013 ; Hu et al, 2014 ; Manandhar et al, 2018 ; Faizan et al, 2020 ).…”

Section: Crosstalk Between Strigolactones and Other Hormones In Plant...mentioning

confidence: 99%

Biological Functions of Strigolactones and Their Crosstalk With Other Phytohormones

Gao

Yang

et al. 2022

Front. Plant Sci.

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Phytohormones are small chemicals critical for plant development and adaptation to a changing environment. Strigolactones (SLs), carotenoid-derived small signalling molecules and a class of phytohormones, regulate multiple developmental processes and respond to diverse environmental signals. SLs also coordinate adjustments in the balance of resource distribution by strategic modification of the plant development, allowing plants to adapt to nutrient deficiency. Instead of operating independently, SL interplays with abscisic acid, cytokinin, auxin, ethylene, and some other plant phytohormones, forming elaborate signalling networks. Hormone signalling crosstalk in plant development and environmental response may occur in a fully concerted manner or as a cascade of sequential events. In many cases, the exact underlying mechanism is unclear because of the different effects of phytohormones and the varying backgrounds of their actions. In this review, we systematically summarise the synthesis, signal transduction, and biological functions of SLs and further highlight the significance of crosstalk between SLs and other phytohormones during plant development and resistance to ever-changing environments.

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Role of strigolactones: Signalling and crosstalk with other phytohormones

Cited by 44 publications

References 131 publications

Improving Soybean Production Under Light Supplementation at Field - A Case Study

Improving Soybean Production Under Light Supplementation at Field - A Case Study

Phytohormonal Regulation Through Protein S-Nitrosylation Under Stress

Biological Functions of Strigolactones and Their Crosstalk With Other Phytohormones

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