Genome-Wide Identification of the 1-Aminocyclopropane-1-carboxylic Acid Synthase (ACS) Genes and Their Possible Role in Sand Pear (Pyrus pyrifolia) Fruit Ripening
| Autor: | Ying Liu, Fan Jing, Hu Hongju, Wei Du, Chen Qiliang, Yang Xiaoping, Zhang Jingguo, Zheng-Rong Luo |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
PEAR
Ethylene non-climacteric fruit ripening Plant culture Ripening ethylene biosynthesis Plant Science ACS gene family Horticulture Biology SB1-1110 White (mutation) body regions climacteric chemistry.chemical_compound chemistry sand pear Gene family 1-Aminocyclopropane-1-carboxylic acid Climacteric Gene |
| Zdroj: | Horticulturae Volume 7 Issue 10 Horticulturae, Vol 7, Iss 401, p 401 (2021) |
| ISSN: | 2311-7524 |
| DOI: | 10.3390/horticulturae7100401 |
| Popis: | Ethylene production is negatively associated with storage life in sand pear (Pyrus pyrifolia Nakai), particularly at the time of fruit harvest. 1-Aminocyclopropane-1-carboxylic acid synthase (ACS) is the rate-limiting enzyme in ethylene biosynthesis and is considered to be important for fruit storage life. However, the candidate ACS genes and their roles in sand pear remain unclear. The present study identified 13 ACS genes from the sand pear genome. Phylogenetic analysis categorized these ACS genes into four subgroups (type I, type II, type III and putative AAT), and indicated a close relationship between sand pear and Chinese white pear (P. bretschneideri). According to the RNA-seq data and qRT-PCR analysis, PpyACS1, PpyACS2, PpyACS3, PpyACS8, PpyACS9, PpyACS12 and PpyACS13 were differently expressed in climacteric and non-climacteric-type pear fruits, ‘Ninomiyahakuri’ and ‘Eli No.2’, respectively, during fruit ripening. In addition, the expressions of PpyACS2, PpyACS8, PpyACS12 and PpyACS13 were found to be associated with system 1 of ethylene production, while PpyACS1, PpyACS3, and PpyACS9 were found to be associated with system 2, indicating that these ACS genes have different roles in ethylene biosynthesis during fruit development. Overall, our study provides fundamental knowledge on the characteristics of the ACS gene family in sand pear, in addition to their possible roles in fruit ripening. |
| Databáze: | OpenAIRE |
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