2021
DOI: 10.3389/fpls.2021.660274
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Abstract: Plant development under altered nutritional status and environmental conditions and during attack from invaders is highly regulated by plant hormones at the molecular level by various signaling pathways. Previously, reactive oxygen species (ROS) were believed to be harmful as they cause oxidative damage to cells; however, in the last decade, the essential role of ROS as signaling molecules regulating plant growth has been revealed. Plant roots accumulate relatively high levels of ROS, and thus, maintaining ROS… Show more

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Cited by 51 publications
(23 citation statements)
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“…The low-molecular-weight GSH in a close partnership with ASC is a key player of the ROS homeostasis maintenance [ 74 ]. Because ROS are in tight interaction with the main plant hormones, they are thought to be core components of the complex regulatory network by integrating exogenous and endogenous signals, including hormones [ 75 ]. Redox processes, such as reduction–oxidation involving NADP-linked GSH and TRX systems, are involved in the regulation of interplay between auxin and strigolactone, and they affect auxin transport and signalling [ 76 , 77 ].…”
Section: Discussionmentioning
confidence: 99%
“…The low-molecular-weight GSH in a close partnership with ASC is a key player of the ROS homeostasis maintenance [ 74 ]. Because ROS are in tight interaction with the main plant hormones, they are thought to be core components of the complex regulatory network by integrating exogenous and endogenous signals, including hormones [ 75 ]. Redox processes, such as reduction–oxidation involving NADP-linked GSH and TRX systems, are involved in the regulation of interplay between auxin and strigolactone, and they affect auxin transport and signalling [ 76 , 77 ].…”
Section: Discussionmentioning
confidence: 99%
“…When ROS homeostasis is disturbed in root, plants are unable to adjust their growth in the changing environments. 46 H 2 O 2 is a kind of ROS, which is generated by the two main NADPH/RBOH oxidases, RBOHD and RBOHF. 47–49 Our pharmacological experiment showed that H 2 O 2 is required for BrCEP3-mediated root growth ( Figure 6a ).…”
Section: Discussionmentioning
confidence: 99%
“…Comprehensive reviews of the photoreceptors expressed in roots and involved in the modulation of root growth can be found in Zdarska et al, 2015, Silva-Navas et al, 2015 and van Gelderen et al, 2018, among others [ 3 , 21 , 26 ]. Root meristem activity is modulated upon exogenous and endogenous stimuli [ 2 , 4 , 46 , 47 , 48 , 49 , 50 ]. Cell proliferation comes to a halt when environmental conditions are not favorable for the plant, such as when red, energy-intensive light is perceived [ 9 , 23 , 26 , 32 ].…”
Section: Differences In Root Growth Adaptation Depending On Root Illumination Statusmentioning
confidence: 99%
“…Previous studies have already shown that the suppression of meristematic activity in illuminated roots is primarily due to UV-B triggered ROS accumulation [ 9 , 55 ]. Overall, meristematic activity is balanced by ROS accumulation depending on environmental conditions and the ability to produce ROS scavengers to maintain efficient root growth [ 27 , 40 , 49 , 56 , 61 , 62 ]. The rate of cell elongation in the transition zone of DGR is slower than in LGR or DGR treated with flavonols, while the final cell size in differentiated cells is similar in DGR and LGR [ 27 ].…”
Section: Differences In Root Growth Adaptation Depending On Root Illumination Statusmentioning
confidence: 99%
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