In vitro adsorption revealing an apparent strong interaction between endophyte Pantoea agglomerans YS19 and host rice

Yuxuan Miao, Jia Zhou, Cuicui Chen, Delong Shen, Wei Song, Yongjun Feng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Pantoea (formerly Enterobacter) agglomerans YS19 is a dominant diazotrophic endophyte isolated from rice (Oryza sativa cv. Yuefu) grown in a temperate-climate region in west Beijing, China. In vitro adsorption and invasion of YS19 on host plant root were studied in this research. Adsorption of YS19 on rice seedling roots closely resembled the Langmuir adsorption and showed a higher adsorption quantity than the control strains Paenibacillus polymyxa WY110 (a rhizospheric bacterium from the same rice cultivar) and Escherichia coli HB101 (a general model bacterium). Adsorption dynamics study revealed high rates and a long duration of the YS19-rice root adsorption process. Adsorption of YS19 was mainly observed on the root hair, though which it enters the plant. This in vitro adsorption study revealed an apparent strong interaction between YS19 and rice at the early endophyte-host recognition stage.

Original languageEnglish
Pages (from-to)547-551
Number of pages5
JournalCurrent Microbiology
Volume57
Issue number6
DOIs
Publication statusPublished - Dec 2008

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