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Article: Calcium signaling facilitates chilling- and GA- induced dormancy release in tree peony.

Gai, Weiling / Liu, Chunying / Yang, Mengjie / Li, Feng / Xin, Hua / Gai, Shupeng

2024 Volume 15, Page(s) 1362804

Abstract: Calcium plays a crucial role in plant growth and development, yet little is known about its function in endodormancy regulation. Tree peony ( ...

Abstract	Calcium plays a crucial role in plant growth and development, yet little is known about its function in endodormancy regulation. Tree peony (
Language	English
Publishing date	2024-03-19
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2024.1362804
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: PsmiR159b-

Zhang, Tao / Wang, Xinyu / Yuan, Yanchao / Zhu, Shoujie / Liu, Chunying / Zhang, Yuxi / Gai, Shupeng

Horticulture research

2024 Volume 11, Issue 4, Page(s) uhae052

Abstract: Bud endodormancy in perennial plants is a sophisticated system that adapts to seasonal climatic changes. Growth-promoting signals such as low temperature and gibberellins (GAs) are crucial for facilitating budbreak following endodormancy release (EDR). ... ...

Abstract	Bud endodormancy in perennial plants is a sophisticated system that adapts to seasonal climatic changes. Growth-promoting signals such as low temperature and gibberellins (GAs) are crucial for facilitating budbreak following endodormancy release (EDR). However, the regulatory mechanisms underlying GA-mediated budbreak in tree peony (
Language	English
Publishing date	2024-02-23
Publishing country	England
Document type	Journal Article
ISSN	2662-6810
ISSN	2662-6810
DOI	10.1093/hr/uhae052
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Article: PsRGL1 negatively regulates chilling- and gibberellin-induced dormancy release by PsF-box1-mediated targeting for proteolytic degradation in tree peony.

Gao, Linqiang / Niu, Demei / Chi, Tianyu / Yuan, Yanchao / Liu, Chunying / Gai, Shupeng / Zhang, Yuxi

Horticulture research

2023 Volume 10, Issue 5, Page(s) uhad044

Abstract: Tree peony bud endodormancy is a common survival strategy similar to many perennial woody plants in winter, and the activation of the GA signaling pathway is the key to breaking endodormancy. GA signal transduction is involved in many physiological ... ...

Abstract	Tree peony bud endodormancy is a common survival strategy similar to many perennial woody plants in winter, and the activation of the GA signaling pathway is the key to breaking endodormancy. GA signal transduction is involved in many physiological processes. Although the GA-GID1-DELLA regulatory module is conserved in many plants, it has a set of specific components that add complexity to the GA response mechanism. DELLA proteins are key switches in GA signaling. Therefore, there is an urgent need to identify the key DELLA proteins involved in tree peony bud dormancy release. In this study, the prolonged chilling increased the content of endogenously active gibberellins. PsRGL1 among three DELLA proteins was significantly downregulated during chilling- and exogenous GA
Language	English
Publishing date	2023-03-13
Publishing country	England
Document type	Journal Article
ISSN	2662-6810
ISSN	2662-6810
DOI	10.1093/hr/uhad044
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Article: Transcriptome of Paeonia ostii developing seeds revealed transcriptional factors, mRNAs and LncRNAs related to fatty acid synthesis and accumulation

Yuan, Yanchao / Sun, Hua / Wang, Xinyu / Gao, Linqiang / Liu, Chunying / Gai, Shupeng / Zhang, Yuxi

Industrial crops and products. 2022 Nov. 15, v. 188

2022

Abstract: Paeonia ostii seeds are an excellent source of favorable vegetable oil due to their high levels of unsaturated fatty acids, especially alpha-linolenic acid. The exploration of regulatory networks for lipid synthesis and accumulation is beneficial for ... ...

Abstract	Paeonia ostii seeds are an excellent source of favorable vegetable oil due to their high levels of unsaturated fatty acids, especially alpha-linolenic acid. The exploration of regulatory networks for lipid synthesis and accumulation is beneficial for increasing the lipid content and yield of P. ostii seeds. In the present study, seeds at the increasing and stable stages of fatty acid (FA) content were evaluated and sampled for comparative transcriptome analysis in P. ostii. Totally, 740 significantly differential expression genes containing 362 TFs were screened and were relevant for lipid metabolism, carbon partitioning, and energy provision for oil biosynthesis. Moreover, 26 pairs of LncRNA-mRNA associated with FA synthesis and accumulation were obtained. The expression of key genes (LTP, ADH, ACP, PDAT, FAD2, FAD3, WRI1, FUS3, LEC1, etc.) and eight putative LncRNAs were validated using qRT-PCR. Furthermore, the function and relationship of PoWRI1 and PoPDAT were determined through ectopic overexpression, dual-luciferase reporter assay, and yeast one hybrid. The results showed that the over-expression of PoWRI1 and PoPDAT promoted FA accumulation. Together, the results obtained could provide a reference for the genomic complement and studying the molecular regulatory mechanism of oil accumulation and cultivating new varieties with high oil seeds in tree peony.
Keywords	Paeonia ostii ; Paeonia suffruticosa ; alpha-linolenic acid ; bioluminescence assay ; biosynthesis ; carbon ; energy ; gene expression regulation ; genome ; hybrids ; lipid metabolism ; transcription factors ; transcriptome ; transcriptomics ; vegetable oil ; yeasts
Language	English
Dates of publication	2022-1115
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	1132158-1
ISSN	1872-633X ; 0926-6690
ISSN (online)	1872-633X
ISSN	0926-6690
DOI	10.1016/j.indcrop.2022.115670
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Article ; Online: Genome-Wide Identification of <i>Membrane-Bound Fatty Acid Desaturase</i> Genes in Three Peanut Species and Their Expression in <i>Arachis hypogaea</i> during Drought Stress.

Gai, Wenyu / Sun, Hua / Hu, Ya / Liu, Chunying / Zhang, Yuxi / Gai, Shupeng / Yuan, Yanchao

Genes

2022 Volume 13, Issue 10

Abstract: As a crop irrigated primarily by rain, the quality and yield of peanuts are significantly limited by drought. To date, many studies have indicated that fatty acid desaturase ( ... FAD ... ) genes enhance plant tolerance to drought stresses. In this study, ... ...

Abstract	As a crop irrigated primarily by rain, the quality and yield of peanuts are significantly limited by drought. To date, many studies have indicated that fatty acid desaturase (FAD) genes enhance plant tolerance to drought stresses. In this study, 16, 15, and 31 FADs were identified in Arachis duranensis, Arachis ipaensis, and Arachis hypogaea, respectively. All the FADs were divided into four subfamilies, which had relatively conserved gene structures, motifs, and domains. The synteny relationships and chromosomal position analysis showed that the FADs in subgenome pairs, A. duranensis-A. hypogaea (AA) and A. ipaensis-A. hypogaea (BB), were homologous, and their physical locations were consistent. The Ka/Ks results indicated that nine FAD genes underwent a purifying selection, and Ah\|FAD3.2 experienced positive selection during tetraploid peanut speciation. Various cis-acting elements related to hormone signaling and stress responsiveness in promoters and the predicted miRNA targeting Ah\|FADs suggested that these genes play crucial roles in drought tolerance. The expression profiles of Ah\|FADs in 22 tissues and drought-tolerant and -sensitive cultivars under drought stress suggested that 4 and 6 FADs were putative genes related to oil accumulation and drought, respectively. These findings will help provide insight into the potential functional roles of the FAD genes, which may aid in dealing with plant drought stress.
MeSH term(s)	Arachis/genetics ; Arachis/metabolism ; Droughts ; Flavin-Adenine Dinucleotide/metabolism ; Fatty Acid Desaturases/genetics ; MicroRNAs/metabolism ; Hormones
Chemical Substances	Flavin-Adenine Dinucleotide (146-14-5) ; Fatty Acid Desaturases (EC 1.14.19.-) ; MicroRNAs ; Hormones
Language	English
Publishing date	2022-09-25
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2527218-4
ISSN	2073-4425 ; 2073-4425
ISSN (online)	2073-4425
ISSN	2073-4425
DOI	10.3390/genes13101718
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Article: Dual functions of

Zhang, Yuxi / Gao, Linqiang / Wang, Yanyan / Niu, Demei / Yuan, Yanchao / Liu, Chunying / Zhan, Xinmei / Gai, Shupeng

Horticulture research

2023 Volume 10, Issue 4, Page(s) uhad033

Abstract: MicroRNAs (miRNAs) are non-coding RNAs that interact with target genes and are involved in many physiological processes in plants. miR172-AP2 mainly plays a role in the regulation of flowering time and floral organ differentiation. Bud dormancy release ... ...

Abstract	MicroRNAs (miRNAs) are non-coding RNAs that interact with target genes and are involved in many physiological processes in plants. miR172-AP2 mainly plays a role in the regulation of flowering time and floral organ differentiation. Bud dormancy release is necessary for forcing culture of tree peony in winter, but the mechanism of dormancy regulation is unclear. In this study, we found that a
Language	English
Publishing date	2023-02-21
Publishing country	England
Document type	Journal Article
ISSN	2662-6810
ISSN	2662-6810
DOI	10.1093/hr/uhad033
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Article: Chilling and gibberellin acids hyperinduce β-1,3-glucanases to reopen transport corridor and break endodormancy in tree peony (Paeonia suffruticosa)

Gao, Xuekai / Yuan, Yanchao / Liu, Ziqi / Liu, Chunying / Xin, Hua / Zhang, Yuxi / Gai, Shupeng

Plant physiology and biochemistry. 2021 Oct., v. 167

2021

Abstract: Bud endodormancy is accompanied by transport channel apertures blockage through callose deposition, and its resume to growth requires evoking β-1,3-glucanases (BGs) to unchoke the conduit. To understand out its working manner, the statuses of the ... ...

Abstract	Bud endodormancy is accompanied by transport channel apertures blockage through callose deposition, and its resume to growth requires evoking β-1,3-glucanases (BGs) to unchoke the conduit. To understand out its working manner, the statuses of the transport channels were evaluated and candidate BGs were identified during chilling and gibberellin acids (GA) induced dormancy release in tree peony. Calcein reflects plasmodesmata permeability, and no calcein was observed in the bud together with density aniline blue fluorescent around the stem phloem at 0 d chilling. With the increase of chilling accumulation, the contents of glucan declined and the activities of gulcanase increased gradually in buds, and the calcein reached the top of flower primordia at 21 d chilled bud. Both GA₃ and GA₄ feedings promoted bud sprouting and growth along with rapidly unchoking the transport channels, and GA₃ was more effective. Several candidate β-1,3-glucanase genes were detected, combining transcriptional profiling and quantitative PCR analysis. PsBG1, PsBG3, PsBG6, PsBG8 and PsBG9 were inducible by chilling accumulation and presented laminarin hydrolyzing activities after prokaryotically expression, while PsBG1, PsBG3, PsBG8 and PsBG9 responded to GAs application. Subcellular localizations revealed that PsBG6 and PsBG9 were plasmodesmata residents. It was concluded that PsBG6 played a vital role in chilling accumulation response and PsBG9 was central in GAs-induced dormancy release, and they could be used as marker genes for dormancy release in tree peony. These results were of great value to understand the mechanism of dormancy regulation and as an important fundamental for forcing culture technology in tree peony.
Keywords	Paeonia suffruticosa ; callose ; dormancy ; flower primordia ; fluorescence ; fluorescent dyes ; glucans ; permeability ; phloem ; plasmodesmata ; quantitative polymerase chain reaction ; transcription (genetics)
Language	English
Dates of publication	2021-10
Size	p. 771-784.
Publishing place	Elsevier Masson SAS
Document type	Article
ZDB-ID	742978-2
ISSN	1873-2690 ; 0981-9428
ISSN (online)	1873-2690
ISSN	0981-9428
DOI	10.1016/j.plaphy.2021.09.002
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Article ; Online: Chilling and gibberellin acids hyperinduce β-1,3-glucanases to reopen transport corridor and break endodormancy in tree peony (Paeonia suffruticosa).

Gao, Xuekai / Yuan, Yanchao / Liu, Ziqi / Liu, Chunying / Xin, Hua / Zhang, Yuxi / Gai, Shupeng

Plant physiology and biochemistry : PPB

2021 Volume 167, Page(s) 771–784

Abstract	Bud endodormancy is accompanied by transport channel apertures blockage through callose deposition, and its resume to growth requires evoking β-1,3-glucanases (BGs) to unchoke the conduit. To understand out its working manner, the statuses of the transport channels were evaluated and candidate BGs were identified during chilling and gibberellin acids (GA) induced dormancy release in tree peony. Calcein reflects plasmodesmata permeability, and no calcein was observed in the bud together with density aniline blue fluorescent around the stem phloem at 0 d chilling. With the increase of chilling accumulation, the contents of glucan declined and the activities of gulcanase increased gradually in buds, and the calcein reached the top of flower primordia at 21 d chilled bud. Both GA
MeSH term(s)	Flowers ; Gene Expression Regulation, Plant ; Gibberellins ; Paeonia ; Trees
Chemical Substances	Gibberellins
Language	English
Publishing date	2021-09-13
Publishing country	France
Document type	Journal Article
ZDB-ID	742978-2
ISSN	1873-2690 ; 0981-9428
ISSN (online)	1873-2690
ISSN	0981-9428
DOI	10.1016/j.plaphy.2021.09.002
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Dynamic of carbohydrate metabolism and the related genes highlights PPP pathway activation during chilling induced bud dormancy release in tree peony (Paeonia suffruticosa)

Yuxi, Zhang / Gai Shupeng / Liu Chunying / Yu Dan

Scientia horticulturae. 2018 Dec. 19, v. 242

2018

Abstract: Tree peony is a well-known ornamental plant, and its dormancy is a biological characteristic and a necessary process before bud sprouting and flowering. Carbohydrate metabolism plays an important role in regulating many physiological processes of plants. ...

Abstract	Tree peony is a well-known ornamental plant, and its dormancy is a biological characteristic and a necessary process before bud sprouting and flowering. Carbohydrate metabolism plays an important role in regulating many physiological processes of plants. With the extension of chilling treatment, morphology changes indicated that the percentages of sprouting and blossom increased, and nearly 100 percentages of the apical buds sprouted and then blossomed after 21 d 0–4 °C artificial chilling duration. Sufficient chilling fulfillment significantly increased the total respiration rate. Ten putative respiratory metabolism and starch degradation-related genes including PsAMY, PsBMY, PsHK, PsPFK, PsPK, PsPDH, PsIDH, PsOGDH, Ps6PGDH and PsG6PDH were isolated, and the qPCR results indicated that chilling duration induced their expressions and most of them reached the maximum value after 21 d chilling exposure. The activities of the three key enzymes of EMP, TCA and PPP pathway, HK, IDH and G6PDH, were consistent with the expression levels of the corresponding genes (PsHK, PsIDH and PsG6PDH). Although the related genes of EMP were up-regulated and the activities of key enzymes increased, but the contribution of EMP gradually decreased during dormancy release in tree peony, and the increasing contribution of PPP pathway was higher than that of TCA pathway. Our results suggested that the activation of PPP pathway might play an important role in chilling-induced dormancy release of tree peony.
Keywords	buds ; carbohydrate metabolism ; cell respiration ; cold treatment ; dormancy ; enzymes ; flowering ; gene expression regulation ; genes ; ornamental plants ; Paeonia suffruticosa ; quantitative polymerase chain reaction ; sprouting ; starch
Language	English
Dates of publication	2018-1219
Size	p. 36-43.
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	185557-8
ISSN	0304-4238
ISSN	0304-4238
DOI	10.1016/j.scienta.2018.07.022
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Metabolomics analysis reveals Embden Meyerhof Parnas pathway activation and flavonoids accumulation during dormancy transition in tree peony

Zhang, Tao / Yuan, Yanchao / Zhan, Yu / Cao, Xinzhe / Liu, Chunying / Zhang, Yuxi / Gai, Shupeng

BMC Plant Biol. 2020 Dec., v. 20, no. 1 p.484-484

2020

Abstract: BACKGROUND: Bud dormancy is a sophisticated strategy which plants evolve to survive in tough environments. Endodormancy is a key obstacle for anti-season culture of tree peony, and sufficient chilling exposure is an effective method to promote dormancy ... ...

Abstract	BACKGROUND: Bud dormancy is a sophisticated strategy which plants evolve to survive in tough environments. Endodormancy is a key obstacle for anti-season culture of tree peony, and sufficient chilling exposure is an effective method to promote dormancy release in perennial plants including tree peony. However, the mechanism of dormancy release is still poorly understood, and there are few systematic studies on the metabolomics during chilling induced dormancy transition. RESULTS: The tree peony buds were treated with artificial chilling, and the metabolmics analysis was employed at five time points after 0–4 °C treatment for 0, 7, 14, 21 and 28 d, respectively. A total of 535 metabolites were obtained and devided into 11 groups including flavonoids, amino acid and its derivatives, lipids, organic acids and its derivates, nucleotide and its derivates, alkaloids, hydroxycinnamoyl derivatives, carbohydrates and alcohols, phytohormones, coumarins and vitamins. Totally, 118 differential metabolites (VIP ≥ 1, P < 0.05) during chilling treatment process were detected, and their KEGG pathways involved in several metabolic pathways related to dormancy. Sucrose was the most abundant carbohydrate in peony bud. Starch was degradation and Embden Meyerhof Parnas (EMP) activity were increased during the dormancy release process, according to the variations of sugar contents, related enzyme activities and key genes expression. Flavonoids synthesis and accumulation were also promoted by prolonged chilling. Moreover, the variations of phytohormones (salicylic acid, jasmonic acid, abscisic acid, and indole-3-acetic acid) indicated they played different roles in dormancy transition. CONCLUSION: Our study suggested that starch degradation, EMP activation, and flavonoids accumulation were crucial and associated with bud dormancy transition in tree peony.
Keywords	Paeonia suffruticosa ; abscisic acid ; amino acids ; coumarins ; dormancy ; enzymes ; flavonoids ; indole acetic acid ; jasmonic acid ; metabolites ; metabolomics ; salicylic acid ; starch ; sucrose
Language	English
Dates of publication	2020-12
Size	p. 484.
Publishing place	BioMed Central
Document type	Article ; Online
ZDB-ID	2059868-3
ISSN	1471-2229
ISSN	1471-2229
DOI	10.1186/s12870-020-02692-x
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