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פותח על ידי קלירמאש פתרונות בע"מ -
Ethephon induces coordinated ripening acceleration and divergent coloration responses in fig (Ficus carica L.) flowers and receptacles
Year:
2021
Source of publication :
Plant Molecular Biology
Authors :
פליישמן, משה
;
.
Volume :
105
Co-Authors:

Cui, Y. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China. 

 Zhai, Y. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China.

 Flaishman, M.  - Department of Fruit Tree Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel.

 Li, J. - Fig Research Institute of Weiyuan County, Neijiang, Sichuan 642450, China

 Chen, S. - College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China

 Zheng, C. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China. 

 Ma, H. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China

Facilitators :
From page:
347
To page:
364
(
Total pages:
18
)
Abstract:

Key message: The regulatory landscape of ethephon-accelerated fig ripening is revealed; flowers and receptacles exhibit opposite responses in anthocyanin accumulation; PG, PL and EXP are suggested key genes in fig softening. Abstract: Ethephon is used to accelerate fig-fruit ripening for improvement of harvesting efficiency, but the underlying molecular mechanism is still unclear. To elucidate the detailed biological mechanism of ethylene-accelerated fig ripening, fruit in phase II (the lag phase on the double sigmoid growth curve) were treated with ethephon, and reached commercial ripeness 6 days earlier than the nontreated controls. Transcriptomes of flowers and the surrounding receptacles—which together make up the pseudocarp in fig fruit—were analyzed. There were 5189, 5818 and 2563 differentially expressed genes (DEGs) 2, 4 and 6 days after treatment (DAT) in treated compared to control fruit, screened by p-adjust < 0.05 and |log2(fold change) |≥ 2. The DEGs were significantly enriched in plant hormone metabolism and signal transduction, cell-wall modification, sugar accumulation and anthocyanin accumulation pathways. DEGs in the first three pathway categories demonstrated an overall similar expression change in flowers and receptacles, whereas DEGs in anthocyanin pigmentation revealed divergent transcript abundance. Specifically, in both flowers and receptacles, ethephon significantly upregulated 1-aminocyclopropane-1-carboxylate oxidase and downregulated most of the ethylene-response factor genes; polygalacturonase, pectate lyase and expansin were mainly upregulated; two acid beta-fructofuranosidases were upregulated. However, structural genes in the anthocyanin-synthesis pathway were mainly downregulated in female flowers 2 and 4 DAT, whereas they were upregulated in the receptacles. Our study reveals the regulatory landscape of the two tissues of fig fruit in ethylene-induced ripening; the differentially expressed pathways and genes provide valuable resources for the mining of target genes for crucial biological and commercial trait improvement.

Note:
Related Files :
Ethephon
Ficus carica L
flower
fruit ripening
Receptacle
transcriptome
עוד תגיות
תוכן קשור
More details
DOI :
10.1007/s11103-020-01092-x
Article number:
0
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
51831
Last updated date:
02/03/2022 17:27
Creation date:
23/11/2020 12:54
You may also be interested in
Scientific Publication
Ethephon induces coordinated ripening acceleration and divergent coloration responses in fig (Ficus carica L.) flowers and receptacles
105

Cui, Y. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China. 

 Zhai, Y. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China.

 Flaishman, M.  - Department of Fruit Tree Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel.

 Li, J. - Fig Research Institute of Weiyuan County, Neijiang, Sichuan 642450, China

 Chen, S. - College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China

 Zheng, C. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China. 

 Ma, H. - Department of Fruit Tree Sciences, College of Horticulture, China Agricultural University, Beijing, 100193, China

Ethephon induces coordinated ripening acceleration and divergent coloration responses in fig (Ficus carica L.) flowers and receptacles

Key message: The regulatory landscape of ethephon-accelerated fig ripening is revealed; flowers and receptacles exhibit opposite responses in anthocyanin accumulation; PG, PL and EXP are suggested key genes in fig softening. Abstract: Ethephon is used to accelerate fig-fruit ripening for improvement of harvesting efficiency, but the underlying molecular mechanism is still unclear. To elucidate the detailed biological mechanism of ethylene-accelerated fig ripening, fruit in phase II (the lag phase on the double sigmoid growth curve) were treated with ethephon, and reached commercial ripeness 6 days earlier than the nontreated controls. Transcriptomes of flowers and the surrounding receptacles—which together make up the pseudocarp in fig fruit—were analyzed. There were 5189, 5818 and 2563 differentially expressed genes (DEGs) 2, 4 and 6 days after treatment (DAT) in treated compared to control fruit, screened by p-adjust < 0.05 and |log2(fold change) |≥ 2. The DEGs were significantly enriched in plant hormone metabolism and signal transduction, cell-wall modification, sugar accumulation and anthocyanin accumulation pathways. DEGs in the first three pathway categories demonstrated an overall similar expression change in flowers and receptacles, whereas DEGs in anthocyanin pigmentation revealed divergent transcript abundance. Specifically, in both flowers and receptacles, ethephon significantly upregulated 1-aminocyclopropane-1-carboxylate oxidase and downregulated most of the ethylene-response factor genes; polygalacturonase, pectate lyase and expansin were mainly upregulated; two acid beta-fructofuranosidases were upregulated. However, structural genes in the anthocyanin-synthesis pathway were mainly downregulated in female flowers 2 and 4 DAT, whereas they were upregulated in the receptacles. Our study reveals the regulatory landscape of the two tissues of fig fruit in ethylene-induced ripening; the differentially expressed pathways and genes provide valuable resources for the mining of target genes for crucial biological and commercial trait improvement.

Scientific Publication
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