ArticlePlant signaling & behavior2018
Nitric oxide regulates lateral root formation through modulation of ACC oxidase activity in sunflower seedlings under salt stress.
Article in Plant signaling & behavior, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 35 citations in OpenAlex.
- Aquaporin AtTIP5;1 negatively regulates nitric oxide-promoted lateral root development by affecting auxin transport and homeostasis of reactive oxygen species in roots ofPlant signaling & behavior · 2026Article
- Fine-tuned nitric oxide and hormone interface in plant root development and regeneration.Journal of experimental botany · 2023Review
- NO Is Not the Same as GSNO in the Regulation of Fe Deficiency Responses by Dicot Plants.International journal of molecular sciences · 2023Review
- The Role of Nitric Oxide in Plant Responses to Salt Stress.International journal of molecular sciences · 2022Review
- Reactive oxygen species and nitric oxide as mediators in plant hypersensitive response and stomatal closure.Plant signaling & behavior · 2021Article
- Signaling mechanisms and biochemical pathways regulating pollen-stigma interaction, seed development and seedling growth in sunflower under salt stress.Plant signaling & behavior · 2021Review
- Genome-Wide Identification and Functional Investigation ofPlants (Basel, Switzerland) · 2021Article
- Nitric oxide, crosstalk with stress regulators and plant abiotic stress tolerance.Plant cell reports · 2021Review
- Nitric oxide function during oxygen deprivation in physiological and stress processes.Journal of experimental botany · 2021Review
- Nitric Oxide Cooperates With Auxin to Mitigate the Alterations in the Root System Caused by Cadmium and Arsenic.Frontiers in plant science · 2020Article
- Gasotransmitters in Action: Nitric Oxide-Ethylene Crosstalk during Plant Growth and Abiotic Stress Responses.Antioxidants (Basel, Switzerland) · 2019Review
- Hemoglobin as a probe for estimation of nitric oxide emission from plant tissues.Plant methods · 2019Article
- Biochemical mechanisms regulating salt tolerance in sunflower.Plant signaling & behavior · 2019Review
- Nitric oxide and light co-regulate glycine betaine homeostasis in sunflower seedling cotyledons by modulating betaine aldehyde dehydrogenase transcript levels and activity.Plant signaling & behavior · 2019Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nitric oxide (NO) is established as a modulator of various developmental processes in plants through its interaction with multiple enzymatic and non-enzymatic biomolecules. Lateral root (LR) induction and extension in sunflower (Helianthus annuus L.) has been observed to be governed by a probable crosstalk between NO and ethylene biosynthesizing enzyme-ACC oxidase. NaCl (120 mM) stress not only lowers LR induction but also reduces their extension growth. Quenching of endogenous NO by raising seedlings in presence of 40 µM hemoglobin in the growth medium does not affect LR induction but lowers their extension growth. NaCl stress and NO depletion have additive effects on the enhancement of ACC oxidase activity, leading to enhanced ethylene biosynthesis. Role of NO has been further confirmed by raising sunflower seedlings in the presence of 20-60 µM of two NO donors, sodium nitroprusside (SNP) and diethylenetriamine NONOate (DETA). LR extension growth was higher with DETA than SNP as NO donor at 40 µM. Iron-deficiency also promoted LR proliferation. It also significantly lowered ACC oxidase activity in the seedling roots in response to salt stress. Based on the present findings it is proposed that salt stress-mediated LR proliferation is regulated by NO through its binding with ACC oxidase (an iron-containing enzyme). This results in the formation of a stable ternary complex (ACC-ACC oxidase-NO) which leads to the reduction in ethylene biosynthesis. Lesser availability of ethylene consequently brings about enhanced LR formation.
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