Sansevieria trifasciata's specific metabolite improves tolerance and efficiency for particulate matter and volatile organic compound removal
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Publication Details
Author list: Bayu Hadi Permana Sucheewin Krobthong Yodying Yingchutrakul Paitip Thiravetyan Chairat Treesubsuntorn
Publisher: Elsevier
Publication year: 2024
Journal: Environmental Pollution (0269-7491)
Volume number: 355
Start page: 124199
ISSN: 0269-7491
eISSN: 1873-6424
Languages: English-Great Britain (EN-GB)
Abstract
Phytoremediation has become famous for removing particulate matter (PM) and volatile organic compounds (VOCs), but the ability is affected by plant health. Lately, the priming technique was a simple approach to studying improving plant tolerance against abiotic stress by specific metabolites that accumulated, known as “memory”, but the mechanism underlying this mechanism and how long this “memory” was retained in the plant was a lack of study. Sansevieria trifasciata was primed for one week for PM and VOC stress to improve plant efficiency on PM and VOC. After that, the plant was recovered for two- or five-weeks, then re-exposed to the same stress with similar PM and VOC concentrations from cigarette smoke. Primed S. trifasciata showed improved removal of PMs entirely within 2 h and VOC within 24 h. The primed plant can maintain a malondialdehyde (MDA) level and retain the “memory” for two weeks. Metabolomics analysis showed that an ornithine-related compound was accumulated as a responsive metabolite under exposure to PM and VOC stress. Exogenous ornithine can maintain plant efficiency and prevent stress by increasing proline and antioxidant enzymes. This study is the first to demonstrate plant “memory” mechanisms under PM and VOC stress. © 2024 Elsevier Ltd
Keywords
Ornithine, Plant memory, Plant tolerance
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