Nitric oxide is required for hydrogen gas-induced adventitious root formation in cucumber

Zhu, Yanjian; Liao, Weibiao; Wang, Meng; Niu, Lijuan; Xu, Qingqing; Jin, Xin

doi:10.1016/j.jplph.2016.02.018

Cited by 58 publications

(43 citation statements)

References 35 publications

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“…5). These results are similar to that of Zhu et al [22], who showed that 50% hydrogen-rich water (HRW) treatment induced adventitious root development and upregulated the expression of NR in cucumber. Xu et al [54] also reported that ETH enhanced the relative expression of NR and improved adventitious rooting in cucumber.…”

Section: Discussionsupporting

confidence: 91%

“…It has been confirmed that NO is involved in auxin induced adventitious root formation in marigold [30]. The interaction of NO with other hormones has also been extensively reported [22,54,55]. However, the interaction between BR and NO in adventitious root development has hardly been reported.…”

Section: Discussionmentioning

confidence: 84%

“…Ethephon treatments induced the increase of endogenous NO level and significantly improved activities of NOS-like and NR during adventitious rooting [58]. Hydrogen gas induced adventitious rooting by enhancing NO level [22]. Hemin might act to promote NO accumulation in mediating adventitious root development of cucumber explants [59].…”

Section: Discussionmentioning

confidence: 99%

“…Nitrate reductase (NR) and NO synthase (NOS)like enzyme are the NO-producing enzymes identified in plants [21]. Zhu et al [22] have reported that NO production through NOS and NR pathways was involved in adventitious rooting of cucumber explants induced by H 2 . The activities of NR and NOS-like enzymes were involved in BR signaling [23].…”

Section: Introductionmentioning

confidence: 99%

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Nitric oxide is involved in the brassinolide-induced adventitious root development in cucumber

Liao

et al. 2020

BMC Plant Biol

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Background: Brassinolide (BR), as a new type of plant hormones, is involved in the processes of plant growth and stress response. Previous studies have reported the roles of BR in regulating plant developmental processes and also response tolerance to abiotic stresses in plants. The main purpose of our study was to explore whether nitric oxide (NO) plays a role in the process of BR-induced adventitious root formation in cucumber (Cucumis sativus L.).Results: Exogenous application of 1 μM BR significantly promoted adventitious rooting, while high concentrations of BR (2-8 μM) effectively inhibited adventitious rooting. NO donor (S-nitroso-N-acerylpenicillamine, SNAP) promoted the occurrence of adventitious roots. Simultaneously, BR and SNAP applied together significantly promoted adventitious rooting and the combined effect was superior to the application of BR or SNAP alone. Moreover, NO scavenger (c-PTIO) and inhibitors (L-NAME and Tungstate) inhibited the positive effects of BR on adventitious rooting. BR at 1 μM also increased endogenous NO content, NO synthase (NOS-like) and Nitrate reductase (NR) activities, while BRz (a specific BR biosynthesis inhibitor) decreased these effects. In addition, the relative expression level of NR was up-regulated by BR and SNAP, whereas BRz down-regulated it. The application of NO inhibitor (Tungstate) in BR also inhibited the up-regulation of NR.Conclusion: BR promoted the formation of adventitious roots by inducing the production of endogenous NO in cucumber.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Nitric oxide is involved in the brassinolide-induced adventitious root development in cucumber

Liao

et al. 2020

BMC Plant Biol

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“…Three rootingrelated enzymes, peroxidase, polyphenol oxidas and indoleacetic acid oxidase were involved in H 2 -indcued adventitious rooting through NO pathways. 39 Lin also reported the effect of H 2 on adventitious root development, and they found that H 2 promotes adventitious root development in a heme oxygenase-1/carbon monoxide-dependent manner. Additionally, H 2 mediated target genes related to auxin signaling and adventitious root development, CsDNAJ-1, CsCPDK1/5, CsCDC6, CsAUX228-like, and CsAUX22D-like through HO-1/ CO pathways during adventitious rooting.…”

Section: 24mentioning

confidence: 99%