Aluminium resistant, plant growth promoting bacteria induce overexpression of Aluminium stress related genes in Arabidopsis thaliana and increase the ginseng tolerance against Aluminium stress

Microbiological Research
Mohamed El-Agamy FarhDeok Chun Yang

Abstract

Panax ginseng is an important cash crop in the Asian countries due to its pharmaceutical effects, however the plant is exposed to various abiotic stresses, lead to reduction of its quality. One of them is the Aluminum (Al) accumulation. Plant growth promoting bacteria which able to tolerate heavy metals has been considered as a new trend for supporting the growth of many crops in heavy metal occupied areas. In this study, twelve bacteria strains were isolated from rhizosphere of diseased Korean ginseng roots located in Gochang province, Republic of Korea and tested for their ability to grow in Al-embedded broth media. Out of them, four strains (Pseudomonas simiae N3, Pseudomonas fragi N8, Chryseobacterium polytrichastri N10, and Burkholderia ginsengiterrae N11-2) were able to grow. The strains could also show other plant growth promoting activities e.g. auxins and siderophores production and phosphate solubilization. P. simiae N3, C. polytrichastri N10, and B. ginsengiterrae N11-2 strains were able to support the growth of Arabidopsis thaliana stressed by Al while P. fragi N8 could not. Plants inoculated with P. simiae N3, C. polytrichastri N10, and B. ginsengiterrae N11-2 showed higher expression level of Al-stress related gen...Continue Reading

Citations

Dec 23, 2017·FEMS Microbiology Letters·Tamsyn StanboroughP Scott Chandry
Jul 25, 2019·Environmental Science and Pollution Research International·Sivagnanam SilambarasanVelu Rajesh Kannan
Sep 1, 2019·Comprehensive Reviews in Food Science and Food Safety·Nirmani N WickramasingheGary A Dykes
Apr 28, 2021·Environmental Science and Pollution Research International·Muhammad TayyabHua Zhang
May 25, 2021·Journal of Ginseng Research·Jong-Pyo KangDeok-Chun Yang

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