Physiological, anatomical, and transcriptional responses of mulberry (Morus alba L.) to Cd stress in contaminated soil

Mulberry has been widely studied for its capacity to tolerate heavy metals. However, the anatomical and molecular response mechanisms of Cd detoxification and transportation in mulberry have not been fully elucidated. In this study, the anatomical characteristics, Cd and mineral element uptake and t...

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Bibliographic Details
Published in:Environmental pollution (1987) 2021-09, Vol.284, p.117387-117387, Article 117387
Main Authors: Guo, Zhaohui, Zeng, Peng, Xiao, Xiyuan, Peng, Chi
Format: Article
Language:English
Subjects:
Cd stress
Cd2+ flux
Molecular response
Mulberry
Transcriptome
Ultrastructure
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Summary:Mulberry has been widely studied for its capacity to tolerate heavy metals. However, the anatomical and molecular response mechanisms of Cd detoxification and transportation in mulberry have not been fully elucidated. In this study, the anatomical characteristics, Cd and mineral element uptake and transport, and transcriptome profiling of mulberry were studied under Cd stress. The results showed that mulberry possessed strong detoxification and self-protection abilities against Cd stress. The growth and photosynthetic pigment contents of mulberry were only slightly affected when the soil Cd content was less than 37.0 mg/kg, while the Ca and Mg contents in the mulberry roots were clearly (p 
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2021.117387