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Regulations of m(6)A methylation on tomato fruit chilling injury

文献类型： 外文期刊

作者： Bai, Chunmei 1 ; Fang, Minghuan 3 ; Zhai, Baiqiang 4 ; Ma, Lili 2 ; Fu, Anzhen 2 ; Gao, Lipu 2 ; Kou, Xiaohong 6 ; Meng, 1 ;

作者机构： 1.Tianjin Univ Sci & Technol, Coll Food Sci & Engn, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Key Lab Vegetable Postharvest Proc,Key Lab Urban, Minist Agr,Key Lab Biol & Genet Improvement Hort, Beijing Key Lab Fruit & Vegetable Storage & Proc, Beijing 100097, Peoples R China

3.Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China

4.Henan Railway Food Safety Management Engn Technol, Zhengzhou 451460, Peoples R China

5.Hebei Agr Univ, Coll Food Sci & Technol, Baoding 071001, Peoples R China

6.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

关键词： m(6)A methylation; Chilling injury; Plant hormone; Nanopore direct RNA sequencing; Tomato fruit

期刊名称：HORTICULTURAL PLANT JOURNAL （ 影响因子：3.032； ）

ISSN： 2095-9885

年卷期： 2021 年 7 卷 5 期

页码：

收录情况： SCI

摘要： Tomato fruit are sensitive to chilling injury (CI) during cold storage. Several factors have been discovered to be involved in chilling injury of tomato fruit. Plant hormones play an important regulatory role, however, the relationship between chilling injury and N-6-methyladenosine (m(6)A) methylation of transcripts in plant hormone pathways has not been reported yet. In order to clarify the complex regulatory mechanism of m(6)A methylation on chilling injury in tomato fruit, Nanopore direct RNA sequencing was employed. A large number of enzymes and transcription factors were found to be involved in the regulation process of fruit chilling injury, which were associated with plant hormone, such as 1-aminocyclopropane 1-carboxylate synthase (ACS ), aspartate aminotransferase (AST ), auxin response factor (ARF2), ethylene response factor 2 (ERF2), gibberellin 20-oxidase-3 (GA20ox) and jasmonic acid (JA ). By conjoint analysis of the differential expression transcripts related to chilling injury and m6A methylation differential expression transcripts 41 differential expression transcripts were identified involved in chilling injury including 1-aminocyclopropane-1-carboxylate oxidase (ACO) and pectinesterase (PE ) were down-regulated and heat shock cognate 70 kD protein 2 (cpHSC70), HSP70-binding protein (HspBP) and salicylic acid-binding protein 2 (SABP2) were up-regulated. Our results will provide a deeper understanding for chilling injury regulatory mechanism and post-harvest cold storage of tomato fruit.

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