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. 2009 Aug;58(2):363-73.
doi: 10.1007/s00248-009-9491-2. Epub 2009 Feb 18.

Diversity of culturable bacteria isolated from root domains of moso bamboo (Phyllostachys edulis)

Jigang Han  1 , Dongliang Xia, Lubin Li, Lei Sun, Kai Yang, Liping Zhang
Affiliations

Diversity of culturable bacteria isolated from root domains of moso bamboo (Phyllostachys edulis)

Jigang Han et al. Microb Ecol. 2009 Aug.

Abstract

The distribution of culturable bacteria in the rhizosphere, rhizoplane, and interior root tissues of moso bamboo plants was investigated in this study. Of the 182 isolates showing different colony characteristics on Luria-Bertani and King B plates, 56 operational taxonomic units of 22 genera were identified by 16S ribosomal RNA gene sequence analysis. The majority of root endophytic bacteria were Proteobacteria (67.5%), while the majority of rhizospheric and rhizoplane bacteria were Firmicutes (66.3% and 70.4%, respectively). The most common genus in both the rhizosphere and on the rhizoplane was Bacillus (42.4% and 44.4%, respectively), while Burkholderia was the most common genus inside the roots, comprising 35.0% of the isolates from this root domain. The endophytic bacterial community was less diverse than the rhizoplane and rhizospheric bacterial communities. Members of Lysinibacillus, Bacillus, and Burkholderia were found in all three root domains, whereas many isolates were found in only a single domain. Our results show that the population diversity of culturable bacteria is abundant in the root domains of moso bamboo plants and that obvious differences exist among the rhizospheric, rhizoplane, and endophytic bacterial communities.

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