Impact of Azospirillum sp. B510 inoculation on rice-associated bacterial communities in a paddy field

Zhihua Bao, Kazuhiro Sasaki, Takashi Okubo, Seishi Ikeda, Mizue Anda, Eiko Hanzawa, Kaori Kakizaki, Tadashi Sato, Hisayuki Mitsui, Kiwamu Minamisawa

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    Rice seedlings were inoculated with Azospirillum sp. B510 and transplanted into a paddy field. Growth in terms of tiller numbers and shoot length was significantly increased by inoculation. Principal-coordinates analysis of rice bacterial communities using the 16S rRNA gene showed no overall change from B510 inoculation. However, the abundance of Veillonellaceae and Aurantimonas significantly increased in the base and shoots, respectively, of B510-inoculated plants. The abundance of Azospirillum did not differ between B510-inoculated and uninoculated plants (0.02-0.50%). These results indicate that the application of Azospirillum sp. B510 not only enhanced rice growth, but also affected minor rice-associated bacteria.

    Original languageEnglish
    Pages (from-to)487-490
    Number of pages4
    JournalMicrobes and environments
    Volume28
    Issue number4
    DOIs
    Publication statusPublished - 2013

    Keywords

    • Azospirillum sp. B510
    • Bacterial community
    • Inoculation
    • Pyrosequencing
    • Rice paddy field

    ASJC Scopus subject areas

    • Ecology, Evolution, Behavior and Systematics
    • Soil Science
    • Plant Science

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