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Journal of Arid Land  2017, Vol. 9 Issue (3): 432-445    DOI: 10.1007/s40333-017-0015-5
Orginal Article     
Endophytic bacteria associated with endangered plant Ferula sinkiangensis K. M. Shen in an arid land: diversity and plant growth-promoting traits
Yonghong LIU1,2, Jianwei GUO1,3, Li LI1, D ASEM Mipeshwaree4, Yongguang ZHANG1, A MOHAMAD Osama1,5, SALAM Nimaichand4, Wenjun LI1,4,*()
1 Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
3 Key Laboratory of Crops with High Quality and Efficient Cultivation and Security Control, Yunnan Higher Education Institutions, Honghe University, Mengzi 661100, China
4 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
5 Environmental Science Department, Institute for Post Graduate of Environment Study, Arish University, Arish 45511, Egypt
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Ferula spp. are traditional medicinal plants found in arid land. Large-scale excavation for extracting bioactive compounds from the plants in arid regions of Xinjiang over the last few years has, however, significantly decreased their distributions. Due to the urgent need for preservation of these plant resources, along with the need of searching for alternative source of the useful metabolites, it is important to screen the endophytic microbial resources associated with the plant Ferula sinkiangensis K. M. Shen. In the study, a total of 125 endophytic bacteria belonging to 3 phyla, 13 orders, 23 families, and 29 genera were isolated based on 16S rRNA gene sequencing data. Among the different isolates, three strains isolated from roots were potential novel species of the genera Porphyrobacter, Paracoccus and Amycolatopsis. In this study, 79.4% and 57.1% of the total isolates were capable of producing indole-3-acetic acid (IAA) and siderophore, respectively. And, 40.6% of the strains inhibit the growth of fungal pathogen Alternaria alternata, 17.2% and 20.2% strains were positive for antagonism against Verticillium dahlia 991 and V. dahlia 7, respectively. These results demonstrated that F. sinkiangensis is a rich reservoir of endophytic bacterial resources with potential for production of biologically important functions such as plant growth-promoting factors.

Key wordsendophytic bacteria      Ferula sinkiangensis      endangered species      growth promoting     
Received: 15 October 2016      Published: 10 May 2017
Corresponding Authors: Wenjun LI     E-mail:
Cite this article:

Yonghong LIU, Jianwei GUO, Li LI, D ASEM Mipeshwaree, Yongguang ZHANG, A MOHAMAD Osama, SALAM Nimaichand, Wenjun LI. Endophytic bacteria associated with endangered plant Ferula sinkiangensis K. M. Shen in an arid land: diversity and plant growth-promoting traits. Journal of Arid Land, 2017, 9(3): 432-445.

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