Strigolactones Stimulate High Light Stress Adaptation by Modulating Photosynthesis Rate in Arabidopsis

Thula, Sravankumar; Moturu, Taraka Ramji; Salava, Hymavathi; Balakhonova, Veronika; Berka, Miroslav; Kerchev, Pavel; Mishra, Kumud Bandhu; Nodzyński, Tomasz; Simon, Sibu

doi:10.1007/s00344-022-10764-5

Cited by 8 publications

(5 citation statements)

References 113 publications

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“…A. thaliana, tomato, rice, cucumber, and chrysanthemum (Hu et al, 2010;Koltai et al, 2011;Mashiguchi et al, 2009;Mayzlish-Gati et al, 2010;Thula et al, 2023;Wen et al, 2016;Zhou et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

“…Studies have shown that transcript levels of SL genes are influenced by different light conditions (Koltai et al, 2011;Wen et al, 2016), and exogenous SL can regulate light-responsive genes (Mashiguchi et al, 2009;Mayzlish-Gati et al, 2010) as well as plant growth and adaptation (Hu et al, 2010;Thula et al, 2023;Zhou et al, 2022). This suggests that SL promoter elements in olives might play a role in light response.…”

Section: Discussionmentioning

confidence: 99%

“…The bioinformatic analysis of the promoter regions of SL genes in olive revealed the presence of response elements to environmental stress and other hormones. The relationship between light response and SL has been previously explored in various plants including A. thaliana , tomato, rice, cucumber, and chrysanthemum (Hu et al, 2010 ; Koltai et al, 2011 ; Mashiguchi et al, 2009 ; Mayzlish‐Gati et al, 2010 ; Thula et al, 2023 ; Wen et al, 2016 ; Zhou et al, 2022 ). Studies have shown that transcript levels of SL genes are influenced by different light conditions (Koltai et al, 2011 ; Wen et al, 2016 ), and exogenous SL can regulate light‐responsive genes (Mashiguchi et al, 2009 ; Mayzlish‐Gati et al, 2010 ) as well as plant growth and adaptation (Hu et al, 2010 ; Thula et al, 2023 ; Zhou et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

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Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive (Olea europaea L.)

Özbilen,

Sezer,

Taşkin

2024

Plant Direct

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Strigolactones (SLs), synthesized in plant roots, play a dual role in modulating plant growth and development, and in inducing the germination of parasitic plant seeds and arbuscular mycorrhizal fungi in the rhizosphere. As phytohormones, SLs are crucial in regulating branching and shaping plant architecture. Despite the significant impact of branching strategies on the yield performance of fruit crops, limited research has been conducted on SLs in these crops. In our study, we identified the transcript sequences of SL biosynthesis and signaling genes in olive (Olea europaea L.) using rapid amplification of cDNA ends. We predicted the corresponding protein sequences, analyzed their characteristics, and conducted molecular docking with bioinformatics tools. Furthermore, we quantified the expression levels of these genes in various tissues using quantitative real‐time PCR. Our findings demonstrate the predominant expression of SL biosynthesis and signaling genes (OeD27, OeMAX3, OeMAX4, OeMAX1, OeD14, and OeMAX2) in roots and lateral buds, highlighting their importance in branching. Treatment with rac‐GR24, an SL analog, enhanced the germination frequency of olive seeds in vitro compared with untreated embryos. Conversely, inhibition of SL biosynthesis with TIS108 increased lateral bud formation in a hard‐to‐root cultivar, underscoring the role of SLs as phytohormones in olives. These results suggest that modifying SL biosynthesis and signaling pathways could offer novel approaches for olive breeding, with potential applicability to other fruit crops.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive (Olea europaea L.)

Özbilen,

Sezer,

Taşkin

2024

Plant Direct

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“…SLs play a crucial role in initiating and enhancing the colonization of AMF, leading to the establishment of functional mycorrhizal symbiosis [7,14]. This symbiotic association benefits both the plant and the fungi, promoting nutrient uptake, stress tolerance and overall plant performance and crop yield [6,[140][141][142]. Furthermore, this interaction influences the composition and diversity of the microbial community in the rhizosphere.…”

Section: Influence On Plant-microbe Symbiosis and Rhizosphere Dynamicsmentioning

confidence: 99%

The Complex Interplay between Arbuscular Mycorrhizal Fungi and Strigolactone: Mechanisms, Sinergies, Applications and Future Directions

Boyno,

Rezaee Danesh,

Demir

et al. 2023

IJMS

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Plants, the cornerstone of life on Earth, are constantly struggling with a number of challenges arising from both biotic and abiotic stressors. To overcome these adverse factors, plants have evolved complex defense mechanisms involving both a number of cell signaling pathways and a complex network of interactions with microorganisms. Among these interactions, the relationship between symbiotic arbuscular mycorrhizal fungi (AMF) and strigolactones (SLs) stands as an important interplay that has a significant impact on increased resistance to environmental stresses and improved nutrient uptake and the subsequent enhanced plant growth. AMF establishes mutualistic partnerships with plants by colonizing root systems, and offers a range of benefits, such as increased nutrient absorption, improved water uptake and increased resistance to both biotic and abiotic stresses. SLs play a fundamental role in shaping root architecture, promoting the growth of lateral roots and regulating plant defense responses. AMF can promote the production and release of SLs by plants, which in turn promote symbiotic interactions due to their role as signaling molecules with the ability to attract beneficial microbes. The complete knowledge of this synergy has the potential to develop applications to optimize agricultural practices, improve nutrient use efficiency and ultimately increase crop yields. This review explores the roles played by AMF and SLs in plant development and stress tolerance, highlighting their individual contributions and the synergistic nature of their interaction.

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“…Consistently, a trove of findings with potential application impact has been building up, especially in connection with the use of GR24 treatment before or during stress to improve crop performances. The stresses covered by this kind of studies range from heat and cold (Chi et al, 2021 ; Omoarelojie et al, 2020 , 2021 , X. Zhang et al, 2020 ); low light, and related senescence and growth inhibition (Lu et al, 2019 ; Mayzlish‐Gati et al, 2010 ; Tian et al, 2018 ; Zhou et al, 2022 ); high light (Thula et al, 2022 ); to heavy metals such as cadmium (Chen et al, 2007 ; Niu et al, 2021 ; Qiu et al, 2021 ; Tai et al, 2017 ) and the metalloid arsenic (Mostofa, Ha, et al, 2021 ; Mostofa, Rahman, et al, 2021 ). We will focus here mostly on the connections between strigolactones and responses to osmotic stress, while the results exploring protection from other abiotic stresses are summarized in Table 1 .…”

Section: Strigolactones As Regulators Of Stress Tolerancementioning

confidence: 99%

Strigolactones as a hormonal hub for the acclimation and priming to environmental stress in plants

Trasoletti¹,

Visentin²,

Campo³

et al. 2022

Plant Cell & Environment

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Strigolactones are phytohormones with many attributed roles in development, and more recently in responses to environmental stress. We will review evidence of the latter in the frame of the classic distinction among the three main stress acclimation strategies (i.e., avoidance, tolerance and escape), by taking osmotic stress in its several facets as a non‐exclusive case study. The picture we will sketch is that of a hormonal family playing important roles in each of the mechanisms tested so far, and influencing as well the build‐up of environmental memory through priming. Thus, strigolactones appear to be backstage operators rather than frontstage players, setting the tune of acclimation responses by fitting them to the plant individual history of stress experience.

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Strigolactones Stimulate High Light Stress Adaptation by Modulating Photosynthesis Rate in Arabidopsis

Cited by 8 publications

References 113 publications

Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive (Olea europaea L.)

Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive (Olea europaea L.)

The Complex Interplay between Arbuscular Mycorrhizal Fungi and Strigolactone: Mechanisms, Sinergies, Applications and Future Directions

Strigolactones as a hormonal hub for the acclimation and priming to environmental stress in plants

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