期刊
JOURNAL OF PLANT INTERACTIONS
卷 7, 期 3, 页码 248-253出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17429145.2011.637161
关键词
endophytic bacteria; IAA; hydrolytic enzymes; Rosa damascena trigintipeta
资金
- Taif University, Saudi Arabia [717-431-1]
Little is known about the bacterial communities associated with the rose plants inhabiting dry desert ecosystems. The aim of this study was to isolate and characterize endophytic bacteria from different organs of rose plant. Endophytic bacteria were observed in healthy roots, stems, leaves, and flowers of rose plant, with a significantly higher density in roots, followed by stems, leaves, and petals. A total of 38 bacterial endophytes were isolated and are closely related phylogenetically to Acetobacter, Acinetobacter, Methylococcus, Bacillus, Micrococcus, Planococcus by 16S rRNA sequence analysis. Six endophytic bacteria were found to produce IAA, solubilize Ca-3(PO4)(2) and produce siderophore. The six endophytic bacteria all had the capacity to produce hydrolytic enzyme such as cellulase, xylanase, pectinase, amylase, protease, lipase, and chitinase, but difference existed among these isolates.
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