Natural Variation Underlies Differences in ETHYLENE RESPONSE FACTOR17 Activity in Fruit Peel Degreening

Han, Zhenyun; Hu, Yanan; Lv, Yuanda; Rose, Jocelyn K. C.; Sun, Yaqiang; Shen, Fei; Wang, Yi; Zhang, Xinzhong; Xu, Xuefeng; Wu, Ting

doi:10.1104/pp.17.01320

Cited by 52 publications

(33 citation statements)

References 68 publications

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“…Biological function analysis reveals that ERF proteins are widely involved in plant leaf growth (Zhang et al , ; Dubois et al , ), fruit peel degreening and fruit ripening (Wang et al , ; Yin et al , ; Li et al , ; Han et al , ), anthocyanin biosynthesis (Yao et al , ; Zhang et al , ; An et al , ; Ni et al , ), hormone signal transductions (McGrath et al , ; Song et al , ; Yang et al , ; Zhou et al , ) and multiple biological and abiotic stress responses (Singh et al , ; Oñate‐Sánchez et al , ; Quan et al , ; Liu et al , ). In terms of ERF‐mediated anthocyanin accumulation, PpERF3, Pp4ERF24 and Pp12ERF96 have been identified as positive modulators of anthocyanin biosynthesis in pear (Yao et al , ; Ni et al , ).…”

Section: Discussionmentioning

confidence: 99%

The ERF transcription factor MdERF38 promotes drought stress‐induced anthocyanin biosynthesis in apple

et al. 2019

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SUMMARY Drought stress induces anthocyanin biosynthesis in many plant species, but the underlying molecular mechanism remains unclear. Ethylene response factors (ERFs) play key roles in plant growth and various stress responses, including affecting anthocyanin biosynthesis. Here, we characterized an ERF protein, MdERF38, which is involved in drought stress‐induced anthocyanin biosynthesis. Biochemical and molecular analyses showed that MdERF38 interacted with MdMYB1, a positive modulator of anthocyanin biosynthesis, and facilitated the binding of MdMYB1 to its target genes. Therefore, MdERF38 promoted anthocyanin biosynthesis in response to drought stress. Furthermore, we found that MdBT2, a negative modulator of anthocyanin biosynthesis, decreased MdERF38‐promoted anthocyanin biosynthesis by accelerating the degradation of the MdERF38 protein. In summary, our data provide a mechanism for drought stress‐induced anthocyanin biosynthesis that involves dynamic modulation of MdERF38 at both transcriptional and post‐translational levels.

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Section: Discussionmentioning

confidence: 99%

The ERF transcription factor MdERF38 promotes drought stress‐induced anthocyanin biosynthesis in apple

et al. 2019

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“…Total chlorophyll content was measured from the leaves as described in Han et al (); 0.1 g of leaf samples were treated with 10 ml of 80% aqueous acetone (v/v), and the resulting extract was centrifuged at 4000 g for 5 min at room temperature. The absorbance of the samples were measured at 663 and 646 nm.…”

Section: Methodsmentioning

confidence: 99%

Natural variation in cytokinin maintenance improves salt tolerance in apple rootstocks

Feng

Liu

Zhai

et al. 2018

Plant Cell & Environment

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Plants experiencing salt-induced stress often reduce cytokinin levels during the early phases of stress-response. Interestingly, we found that the cytokinin content in the apple rootstock "robusta" was maintained at a high level under salt stress. Through screening genes involved in cytokinin biosynthesis and catabolism, we found that the high expression levels of IPT5b in robusta roots were involved in maintaining the high cytokinin content. We identified a 42 bp deletion in the promoter region of IPT5b, which elevated IPT5b expression levels, and this deletion was linked to salt tolerance in robusta×M.9 segregating population. The 42 bp deletion resulted in the deletion of a Proline Response Element (ProRE), and our results suggest that ProRE negatively regulates IPT5b expression in response to proline. Under salt stress, the robusta cultivar maintains high cytokinin levels as IPT5b expression cannot be inhibited by proline due to the deletion of ProRE, leading to improve salt tolerance.

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“…ERF is a TF involved in fruit degreening in citrus and apple by binding to the GCC box in the PPH promoter to induce the expression level of PPH (Yin et al 2016 ; Han et al 2018 ). In our present study, all identified CsERFs showed significant up-regulation in MY (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Similarly, four ERF genes in citrus have also been found to be up-regulated during fruit peel degreening (Xie et al 2014 ). Yeast one-hybrid and dual-luciferase assays show that CitERF13 and ERF17 of Malus domestica directly bind to the GCCGAC motif in the PPH promoter and enhance its activity, accelerating CHL degradation (Yin et al 2016 ; Han et al 2018 ). In addition to participating in Chl metabolism as TFs, ERF has been found to be involved in sugar metabolite-mediated retrograde chloroplast signaling (Vogel et al 2014 ).…”

Section: Introductionmentioning

confidence: 99%

Involvement of CsERF2 in leaf variegation of Cymbidium sinense ‘Dharma’

Gao

Yang

et al. 2020

Planta

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Natural Variation Underlies Differences in ETHYLENE RESPONSE FACTOR17 Activity in Fruit Peel Degreening

Cited by 52 publications

References 68 publications

The ERF transcription factor MdERF38 promotes drought stress‐induced anthocyanin biosynthesis in apple

The ERF transcription factor MdERF38 promotes drought stress‐induced anthocyanin biosynthesis in apple

Natural variation in cytokinin maintenance improves salt tolerance in apple rootstocks

Involvement of CsERF2 in leaf variegation of Cymbidium sinense ‘Dharma’

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