文献类型： 外文期刊
作者： Zhou, Junliang 1 ; Wang, Zhuang 1 ; Mao, Yongya 1 ; Wang, Lijuan 1 ; Xiao, Tujian 1 ; Hu, Yang 2 ; Zhang, Yang 4 ; Ma, Yu 1 ;
作者机构： 1.Guizhou Acad Agr Sci, Guizhou Inst Pomol Sci, Guiyang, Guizhou, Peoples R China
2.Zhejiang Acad Forestry, Hangzhou, Zhejiang, Peoples R China
3.Zhejiang Prov Key Lab Biol & Chem Utilizat Forest, Hangzhou, Zhejiang, Peoples R China
4.Fudan Univ, Inst Biomed Sci, Shanghai, Peoples R China
关键词： Transcriptome; Shotgun label-free Proteomic; Pitaya; Cold stress; Proteins expression
期刊名称：PEERJ （ 影响因子：2.984； 五年影响因子：3.369 ）
ISSN： 2167-8359
年卷期： 2020 年 8 卷
页码：
收录情况： SCI
摘要： Pitayas (Hylocereus spp.) is an attractive, highly nutritious and commercially valuable tropical fruit. However, low-temperature damage limits crop production. Genome of pitaya has not been sequenced yet. In this study, we sequenced the transcriptome of pitaya as the reference and further investigated the proteome under low temperature. By RNAseq technique, approximately 25.3 million reads were obtained, and further trimmed and assembled into 81,252 unigene sequences. The unigenes were searched against UniProt, NR and COGs at NCBI, Pfam, InterPro and Kyoto Encyclopedia of Genes and Genomes (KEGG) database, and 57,905 unigenes were retrieved annotations. Among them, 44,337 coding sequences were predicted by Trandecoder (v2.0.1), which served as the reference database for label-free proteomic analysis study of pitaya. Here, we identified 116 Differentially Abundant Proteins (DAPs) associated with the cold stress in pitaya, of which 18 proteins were up-regulated and 98 proteins were down-regulated. KEGG analysis and other results showed that these DAPs mainly related to chloroplasts and mitochondria metabolism. In summary, chloroplasts and mitochondria metabolism-related proteins may play an important role in response to cold stress in pitayas.
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