Comparative Transcriptome Analysis Profiles of Two Mulberry Varieties under Cadmium Stress


This paper is try to investigate the molecular mechanisms of cadmium (Cd) response in mulberry (Morus alba L.) leaf. Transcriptome sequencing technology is used to analyze the profiles of low-Cd mulberry Zhehulusang (zhls) and high-Cd mulberry Xianmianzao (xmz) under Cd stress. Approximately 195 million clean reads were obtained, 2785 and 1211 differentially expressed genes (DEGs) were identified in zhls and xmz. The DEGs of zhls enriched in the pathway of flavonoid biosynthesis, photosynthesis, carbon fixation in photosynthetic organisms. The DEGs of xmz enriched in the pathway of flavonoid biosynthesis, plant-pathogen interaction, phenylpropanoid biosynthesis. Through comparative analyses, the flavonoids may be the effective antioxidants conserved in mulberry under Cd stress. These information may be useful for further studies on investigating the molecular mechanisms of mulberry response to Cd stress.

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This study was funded by China Agriculture Research System (project no. CARS-18-SYZ12) and the Science and Technology Planning Project of Hunan Province, China (project no. 2015 SK2041).

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Corresponding author

Correspondence to S. M. Jiang.

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The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants as objects of research.

Additional information

Abbreviation: Cd—cadmium; CDPKs—calcium-dependent protein kinases; CDF—cation diffusion facilitator; DEGs—differentially expressed genes; GO—gene ontology; GSH—glutathione; KEGG—Kyoto encyclopedia of genes and genomes; MAPKs—mitogen-activated protein kinase; MTs—metallothioneins; MTP—metal tolerance protein; NCBI—national center for biotechnology information; PCs—phytochelatins; PCS—phytochelatin synthase.

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Jiang, S.M., Huang, R.Z., Jiang, Y.B. et al. Comparative Transcriptome Analysis Profiles of Two Mulberry Varieties under Cadmium Stress. Russ J Plant Physiol 67, 1126–1134 (2020).

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  • Morus alba
  • cadmium
  • transcriptome
  • gene regulation