NDLI: Bacillus methylotrophicus isolated from the cucumber rhizosphere degrades ferulic acid in soil and affects antioxidant and rhizosphere enzyme activities

Content Provider	Springer Nature Link
Author	Zhang, Yue Wang, Xiu Juan Chen, Shu Yun Guo, Li Yuan Song, Ming Lei Feng, He Li, Chen Bai, Ji Gang
Copyright Year	2015
Abstract	Ferulic acid (FA) accumulates in soil and inhibits plant growth. We examined whether the FA-degrading bacterium Bacillus methylotrophicus degrades FA in soil. B. methylotrophicus strain CSY-F1 was isolated and applied to unplanted soil and soil planted with Cucumis sativus (cucumber). We analyzed the effects of B. methylotrophicus on rhizosphere enzyme activities and antioxidant enzyme activities in cucumber and CSY-F1 exposed to FA.CSY-F1 degraded FA in culture medium and in soil, giving rise to 4-vinyl guaiacol, vanillin, vanillic acid, and protocatechuic acid. When cucumber seedlings were grown in soil treated with FA, the activities of some soil enzymes decreased, and the malonaldehyde content in cucumber leaves increased. The addition of CSY-F1 to FA-treated soil increased the activities of these soil enzymes, decreased the FA concentration in the soil, and elevated the activities of some antioxidant enzymes in seedlings. Moreover, the levels of superoxide radical, hydrogen peroxide, and malonaldehyde were reduced in cucumber leaves. FA treatment increased the activities of antioxidant enzymes, including superoxide dismutase, catalase, and monodehydroascorbate, in CSY-F1. Bacillus methylotrophicus CSY-F1 has potential applications as an FA-degrading agent in soil, as it mitigates FA stress in cucumber seedlings by activating several antioxidant and soil enzymes.
Starting Page	309
Ending Page	321
Page Count	13
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	392
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer International Publishing
Publisher Date	2015-04-11
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antioxidant enzyme Bacillus methylotrophicus Ferulic acid Soil enzyme Plant Sciences Soil Science & Conservation Plant Physiology Ecology
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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