Methane Control of Adventitious Rooting Requires<i>γ</i>-Glutamyl Cysteine Synthetase-Mediated Glutathione Homeostasis

Jiang, Xumin; He, Junjie; Cheng, Pengfei; Xiang, Zhixin; Zhou, Heng; Ren, Wei; Shen, Wenbiao

doi:10.1093/pcp/pcy241

Cited by 15 publications

(8 citation statements)

References 72 publications

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“…GSH has a positive effect on adventitious rooting in tomato ( Lycopersicon esculentum Mill) (Tyburski and Tretyn, 2010). Even in an auxin depleted condition, 200 μM exogenous GSH induces significantly higher number and length of adventitious roots in cucumber ( Cucumis sativus L.) (Jiang et al, 2019). The potential of rooting is much higher in leafy cuttings from J or rejuvenated than A in apple (Xiao et al, 2014; Xu et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

MdGGT1 Impacts Apple miR156 Precursor Levels via Ontogenetic Changes in Subcellular Glutathione Homeostasis

et al. 2019

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The vegetative phase change in flowering plants is controlled by microRNA156 (miR156) under transcriptional regulation. However, the developmental signals upstream of miR156 are not well understood. The glutathione/glutathione disulfide (GSH/GSSG) ratios and GSH levels decline significantly during phase change, which is consistent with miR156 expression in apple ( Malus domestica Borkh.). Here, we found that the content of protein conjugated glutathione was remarkably higher in chloroplasts and nuclei of adult than juvenile phase apple hybrids. The decrease in miR156 expression was most relevant to the activities of serine acetyltransferase (SAT) and soluble γ-glutamyl transpeptidase (GGT), and the expressions of MdGGT1 or MdSATs . Transgenic apples over-expressing MdMIR156 or miR156-mimetic (MIM156) did not alter MdGGT1 expression or the soluble GGT activity. Inhibition of GGT activity with serine-borate complex or acivicin led to significant reduction in GSH content, the GSH/GSSG ratio, and the expressions of MdMIR156a5 , MdMIR156a12 , and miR156. Depletion of GSH with diethyl maleate without altering GGT activity caused a dramatic decrease in the expression of MdMIR156a5 , MdMIR156a12 , and miR156. Manipulating GGT activity and GSH homeostasis by transgenic over-expressing or RNAi MdGGT1 increased or decreased MdMIR156a5 and MdMIR156a12 levels, respectively. These data provided novel evidence that MdGGT1 participates in transcriptional level of transcription regulation of miR156 precursors during ontogenesis. HIGHLIGHTS - MdGGT1 affects thiol redox status and indirectly participates in the regulation of miR156 expression during vegetative phase change.

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Section: Discussionmentioning

confidence: 99%

MdGGT1 Impacts Apple miR156 Precursor Levels via Ontogenetic Changes in Subcellular Glutathione Homeostasis

et al. 2019

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“…Eighty percent methane-rich water (MRW) dramatically triggered the increase of AR length and number in cucumber [19]. CH 4 -induced adventitious rooting in cucumber explants required γ-glutamyl cysteine synthetase (γ-ECS) [40,47]. These findings indicate that CH 4 can be regarded as a crucial inducer during AR process.…”

Section: Functions Of Small-molecule Compounds During Adventitiousmentioning

confidence: 99%

“…Also, NO and ETH treatments enhanced the transcription levels of CsCDPK1 and CsCDPK5 genes in cucumber explants [64]. The application of CH 4 could also up-regulate cell cycle regulatory genes in cucumber, including CsCDC6 , CsCDPK1 , CsCDPK5 , and CsDNAJ-1 [40,47].…”

Section: Some Related Genes During Adventitious Root Development Imentioning

confidence: 99%

“…In addition, there are also some adventitious rooting-related genes. For example, the transcripts of CsmiR160 and CsmiR167 were increased or decreased, respectively, by the application of MRW, indicating that CH 4 may play a positive effect on AR development in cucumber [47]. Therefore, NO, ETH, H 2 , CO, H 2 S, and CH 4 are able to induce high expressions of the CsDNAJ-1 , CsCDPK1/5, and CsHO1 genes to mediate adventitious rooting.…”

Section: Some Related Genes During Adventitious Root Development Imentioning

confidence: 99%

“…In cucumber, CsAUX22B- like and CsAUX22D- like were target genes to HRW-induced AR formation [64]. Recently, MRW could increase the transcripts levels of CsAux22D- like and CsAux22B- like in cucumber explants [47]. Also, CH 4 could induce two auxin-signaling genes, such as CsAux22D- like and CsAux22B- like, which are responsible for AR formation in cucumber [40].…”

Section: Some Related Genes During Adventitious Root Development Imentioning

confidence: 99%

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Roles of Small-Molecule Compounds in Plant Adventitious Root Development

Deng

Wang

et al. 2019

Biomolecules

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Adventitious root (AR) is a kind of later root, which derives from stems and leaf petioles of plants. Many different kinds of small signaling molecules can transmit information between cells of multicellular organisms. It has been found that small molecules can be involved in many growth and development processes of plants, including stomatal movement, flowering, fruit ripening and developing, and AR formation. Therefore, this review focuses on discussing the functions and mechanisms of small signaling molecules in the adventitious rooting process. These compounds, such as nitric oxide (NO), hydrogen gas (H2), hydrogen sulfide (H2S), carbon monoxide (CO), methane (CH4), ethylene (ETH), and hydrogen peroxide (H2O2), can be involved in the induction of AR formation or development. This review also sums the crosstalk between these compounds. Besides, those signaling molecules can regulate the expressions of some genes during AR development, including cell division genes, auxin-related genes, and adventitious rooting-related genes. We conclude that these small-molecule compounds enhance adventitious rooting by regulating antioxidant, water balance, and photosynthetic systems as well as affecting transportation and distribution of auxin, and these compounds further conduct positive effects on horticultural plants under environmental stresses. Hence, the effect of these molecules in plant AR formation and development is definitely a hot issue to explore in the horticultural study now and in the future.

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The role of methane in plant physiology: a review

Wei

Shen

2019

Plant Cell Rep

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Methane Control of Adventitious Rooting Requiresγ-Glutamyl Cysteine Synthetase-Mediated Glutathione Homeostasis

Cited by 15 publications

References 72 publications

MdGGT1 Impacts Apple miR156 Precursor Levels via Ontogenetic Changes in Subcellular Glutathione Homeostasis

MdGGT1 Impacts Apple miR156 Precursor Levels via Ontogenetic Changes in Subcellular Glutathione Homeostasis

Roles of Small-Molecule Compounds in Plant Adventitious Root Development

The role of methane in plant physiology: a review

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