Zongwen Zhu , Xuexia Wu , Aidong Zhang , Dingshi Zha

Horticultural Research Institute, Shanghai Academy of Agricultural Sciences/Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai, 201106, China
Author    Correspondence author
International Journal of Horticulture, 2022, Vol. 12, No. 4   doi: 10.5376/ijh.2022.12.0004
Received: 19 Oct., 2022    Accepted: 24 Oct., 2022    Published: 31 Oct., 2022

This article was first published in Molecular Plant Breeding in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Zhu Z.W., Wu X.X., Zhang A.D., and Zha D.S., 2022, Screening and transcriptome analysis of different materials with low temperature tolerance in eggplant (Solanum melongena), International Journal of Horticulture, 12(4): 1-10 (doi: 10.5376/ijh.2022.12.0004)

The growth and fruit quality of eggplant were seriously affected by low temperature stress. In order to screen low temperature tolerance germplasm of eggplant and reveal its correlation with low temperature tolerance at molecular level. In this study, two eggplant inbred lines with different genotypes were selected on the basis of preliminary experiments. The effects of low temperature stress on the seed germination and seedling chilling injury were studied. The transcriptome of seedling leaves under 4°C low temperature was sequenced, and the differentially expressed genes were classified and enriched. The results showed that CHEN18 was much stronger than 819 in seed germination and seedling low temperature tolerance. The analysis of transcriptome data showed that there were some differences in genetic background between the two eggplant materials, and the differentially expressed genes were mainly concentrated in biological regulation, cell process, metabolic process and single organism process. Up-regulated differentially expressed genes are mainly enriched in cell processes, environmental information processing, genetic information processing and metabolism. The results of this study laid a foundation for the selection of cold tolerance germplasm and the excavation of cold tolerance genes in eggplant.

Solanum melongena L.; Low temperature; Transcriptome analysis; Differentially expressed genes