High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef

Ryota Nakajima, Yasuaki Tanaka, Teruaki Yoshida, Tamami Fujisawa, Asami Nakayama, Yumi Fuchinoue, Bin Haji Ross Othman, Tatsuki Toda

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    Inorganic nutrient contents of mucus released by Acropora corals and its utilization by heterotrophic bacteria at several different hour intervals in the coral mucus were investigated at a coral reef in Malaysia. The dissolved inorganic phosphate (DIP) concentration was 135-fold higher than in the ambient seawater, probably due to inorganic P release from the coral gut cavity. We experimentally confirmed that heterotrophic bacteria rapidly (within 8 h) consumed ca. 80% of the initial concentration of DIP derived from coral mucus. High DIP concentration in coral mucus may enhance heterotrophic bacterial production and associated carbon flow in the microbial loop of reef ecosystems.

    Original languageEnglish
    Pages (from-to)835-841
    Number of pages7
    JournalMarine Ecology
    Volume36
    Issue number3
    DOIs
    Publication statusPublished - 1 Sep 2015

    Fingerprint

    phosphate (inorganic)
    mucus
    coral reefs
    coral reef
    corals
    coral
    phosphates
    bacterium
    bacteria
    microbial loop
    Acropora
    Malaysia
    reefs
    cavity
    reef
    nutrient content
    digestive system
    seawater
    fold
    ecosystems

    Keywords

    • Coral mucus, degradation
    • Dissolved organic carbon
    • Inorganic nutrients
    • Phosphate

    ASJC Scopus subject areas

    • Aquatic Science
    • Ecology, Evolution, Behavior and Systematics
    • Ecology

    Cite this

    Nakajima, R., Tanaka, Y., Yoshida, T., Fujisawa, T., Nakayama, A., Fuchinoue, Y., ... Toda, T. (2015). High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef. Marine Ecology, 36(3), 835-841. https://doi.org/10.1111/maec.12158

    High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef. / Nakajima, Ryota; Tanaka, Yasuaki; Yoshida, Teruaki; Fujisawa, Tamami; Nakayama, Asami; Fuchinoue, Yumi; Othman, Bin Haji Ross; Toda, Tatsuki.

    In: Marine Ecology, Vol. 36, No. 3, 01.09.2015, p. 835-841.

    Research output: Contribution to journalArticle

    Nakajima, R, Tanaka, Y, Yoshida, T, Fujisawa, T, Nakayama, A, Fuchinoue, Y, Othman, BHR & Toda, T 2015, 'High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef', Marine Ecology, vol. 36, no. 3, pp. 835-841. https://doi.org/10.1111/maec.12158
    Nakajima, Ryota ; Tanaka, Yasuaki ; Yoshida, Teruaki ; Fujisawa, Tamami ; Nakayama, Asami ; Fuchinoue, Yumi ; Othman, Bin Haji Ross ; Toda, Tatsuki. / High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef. In: Marine Ecology. 2015 ; Vol. 36, No. 3. pp. 835-841.
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