期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 74, 期 9, 页码 1972-1975出版社
OXFORD UNIV PRESS
DOI: 10.1271/bbb.100397
关键词
Nypa fruticans; Burkholderia vietnamiensis; endophytic bacterium; nitrogen fixation
类别
资金
- Japan Society for the Promotion of Science [20248033]
- Malaysian Ministry of Science, Technology and Innovation (MOSTI) [05-05-06-SF0002]
- Grants-in-Aid for Scientific Research [20248033] Funding Source: KAKEN
Root-associating bacteria of the nipa palm (Nypa fruticans), preferring brackish-water affected mud in Sarawak, Malaysia, were investigated. In a comparison of rhizobacterial microbiota between the nipa and the sago (Metroxylon saga) palm, it was found that the nipa palm possessed a group of Burkholderia vietnamiensis as its main active nitrogen-fixing endophytic bacterium. Acetylene reduction by the various isolates of B. vietnamiensis was constant (44 to 68 nmol h(-1) in ethylene production rate) in soft gel medium containing 0.2% sucrose as sole carbon source, and the bacterium also showed motility and biofilm-forming capacity. This is the first report of endophytic nitrogen-fixing bacteria from nipa palm.
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