Journal
3 BIOTECH
Volume 6, Issue -, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13205-016-0522-7
Keywords
Ferula songorica; Endophytes; Diversity; Growth promotion; Enzyme
Categories
Funding
- National Natural Science Foundation of China [U1403101, 31200008]
- West Light Foundation of the Chinese Academy of Sciences
- Hundred Talents Program of the Chinese Academy of Sciences
- Guangdong Province Higher Vocational Colleges & Schools Pearl River Scholar Funded Scheme
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Xinjiang, a region of high salinity and drought, is a host to many arid and semi-arid plants. Many of these plants including Ferula spp. have indigenous pharmaceutical histories. As many of the medicinal properties of plants are in tandem with the associated microorganisms residing within the plant tissues, it is advisable to explore the endophytic potential of such plants. In the present study, diversity of culturable bacteria isolated from medicinal plants Ferula songorica collected from Hebukesaier, Xinjiang were analyzed. A total of 170 endophytic bacteria belonging to three phyla, 15 orders, 20 families and 27 genera were isolated and characterized by 16S rRNA gene sequencing. The phylum Actinobacteria constitutes a major portion of the endophytic microbes isolated from the plant Ferula songorica (107 isolates). Overall endophytic species richness of the sample was 58 taxa while the sample has statistical values of 4.02, 0.97, 0.65 and 16.55 with Shannon's, Simpson, Species evenness and Margalef, respectively. Root tissues were found to be more suitable host for endophytes as compared to leaf and stem tissues. Among these endophytic strains, 88 % can grow on nitrogen-free media, 19 % solubilize phosphate, while 26 and 40 % are positive for production of protease and cellulase, respectively. The results confirm that the medicinal plant Ferula songorica represents an extremely rich reservoir for the isolation of diverged bacteria with potential for growth promoting factors and biologically active compounds including enzymes.
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