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Transcriptomic analysis reveals recovery strategies in strawberry roots after using a soil amendment in continuous cropping soil

文献类型： 外文期刊

作者： Chen, Peng 1 ; Wang, Yu-zhu 2 ; Liu, Qi-zhi 1 ; Li, Wei-hua 1 ; Li, He-qin 1 ; Li, Xing-yue 1 ; Zhang, Yun-tao 2 ;

作者机构： 1.China Agr Univ, Lab Entomol & Nematol, Coll Plant Protect, Yuan Ming Yuan West Rd 2, Beijing 100193, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Beijing Acad Forestry & Pomol Sci, Beijing 100097, Peoples R China

3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China

4.Qingdao Agr Univ, Coll Agron, Shandong Prov Key Lab Dryland Technol, Qingdao 266109, Peoples R China

5.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Peoples R China

关键词： Continuous cropping; Soil amendment; Hsp-family genes; Apoptosis; Hypersensitive response

期刊名称：BMC PLANT BIOLOGY （ 2020影响因子：4.215； 五年影响因子：4.96 ）

ISSN： 1471-2229

年卷期： 2020 年 20 卷 1 期

页码：

收录情况： SCI

摘要： Background In strawberry cultivation, continuous cropping (CC) obstacles seriously threaten production. A patented soil amendment (SA) can effectively relieve the CC obstacles to strawberry cultivation, but knowledge of the recovery mechanisms underlying this phenomenon is limited. Results In this study, transcriptomic profiling of strawberry roots in soil with and without the SA was conducted using RNA-Seq technology to reveal gene expression changes in response to SA treatment. In total, 188 differentially expressed genes (DEGs), including 144 upregulated and 44 downregulated DEGs, were identified. SA treatment resulted in genotype-dependent responses, and the response pattern, including an overall increase in the expression of nutrient transport genes and a decrease in the expression of defense response genes, may be a possible mechanism underlying recovery strategies in strawberry roots after the application of the SA to CC soil. We also found that 9 Hsp genes involved in plant defense pathways were all downregulated in the SA-treated roots. Conclusions This research indicated that strawberry plants reallocated defense resources to development when SA treatment alleviated the stress caused by a CC soil environment. The present study provides an opportunity to reveal the fundamental mechanisms of the tradeoff between growth and defense in strawberry.

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