Effects of nitrogen and phosphorus sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides isolated from Yatsushiro Sea, Japan

Dae Il Kim, Tadashi Matsubara, Seok Jin Oh, Yohei Shimasaki, Yuji Oshima, Tsuneo Honjo

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9 Citations (Scopus)

Abstract

The effects of various inorganic and organic nitrogen (N) and phosphorus (P) sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides Margalef, which was isolated from the Yatsushiro Sea of Japan, were experimentally investigated. C. polykrikoides was able to grow actively with inorganic nitrogen compounds and to grow at a slower rate on organic nitrogen compounds, urea and amino acid glycine, as N-sources. On the other hand, this organism was able to effectively utilize a variety of both inorganic and organic phosphorus compounds as P sources. Specific maximum growth rate (μ′m) and minimum cell quota (Q0), which were obtained by semi-continuous growth experiments, were 0.48 day-1 and 5.25 pmol cell-1 under N-limited steady-state conditions, and 0.54 day-1 and 0.37pmol cell-1 under P-limited steady-state conditions. Based on the physiological characteristics obtained in the present study, C. polykrikoides may have advantages for species competition.

Original languageEnglish
Pages (from-to)711-717
Number of pages7
JournalNippon Suisan Gakkaishi (Japanese Edition)
Volume73
Issue number4
DOIs
Publication statusPublished - Jul 1 2007

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inorganic nitrogen
dinoflagellate
organic nitrogen compound
Japan
phosphorus
kinetics
inorganic phosphorus
organic phosphorus
nitrogen compound
nitrogen
organic nitrogen
organic nitrogen compounds
urea
amino acid
Sea of Japan
nitrogen compounds
organophosphorus compounds
cells
glycine (amino acid)
amino acids

All Science Journal Classification (ASJC) codes

  • Aquatic Science

Cite this

@article{f49409ed88cd48a78aea15c518821396,
title = "Effects of nitrogen and phosphorus sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides isolated from Yatsushiro Sea, Japan",
abstract = "The effects of various inorganic and organic nitrogen (N) and phosphorus (P) sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides Margalef, which was isolated from the Yatsushiro Sea of Japan, were experimentally investigated. C. polykrikoides was able to grow actively with inorganic nitrogen compounds and to grow at a slower rate on organic nitrogen compounds, urea and amino acid glycine, as N-sources. On the other hand, this organism was able to effectively utilize a variety of both inorganic and organic phosphorus compounds as P sources. Specific maximum growth rate (μ′m) and minimum cell quota (Q0), which were obtained by semi-continuous growth experiments, were 0.48 day-1 and 5.25 pmol cell-1 under N-limited steady-state conditions, and 0.54 day-1 and 0.37pmol cell-1 under P-limited steady-state conditions. Based on the physiological characteristics obtained in the present study, C. polykrikoides may have advantages for species competition.",
author = "Kim, {Dae Il} and Tadashi Matsubara and Oh, {Seok Jin} and Yohei Shimasaki and Yuji Oshima and Tsuneo Honjo",
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T1 - Effects of nitrogen and phosphorus sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides isolated from Yatsushiro Sea, Japan

AU - Kim, Dae Il

AU - Matsubara, Tadashi

AU - Oh, Seok Jin

AU - Shimasaki, Yohei

AU - Oshima, Yuji

AU - Honjo, Tsuneo

PY - 2007/7/1

Y1 - 2007/7/1

N2 - The effects of various inorganic and organic nitrogen (N) and phosphorus (P) sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides Margalef, which was isolated from the Yatsushiro Sea of Japan, were experimentally investigated. C. polykrikoides was able to grow actively with inorganic nitrogen compounds and to grow at a slower rate on organic nitrogen compounds, urea and amino acid glycine, as N-sources. On the other hand, this organism was able to effectively utilize a variety of both inorganic and organic phosphorus compounds as P sources. Specific maximum growth rate (μ′m) and minimum cell quota (Q0), which were obtained by semi-continuous growth experiments, were 0.48 day-1 and 5.25 pmol cell-1 under N-limited steady-state conditions, and 0.54 day-1 and 0.37pmol cell-1 under P-limited steady-state conditions. Based on the physiological characteristics obtained in the present study, C. polykrikoides may have advantages for species competition.

AB - The effects of various inorganic and organic nitrogen (N) and phosphorus (P) sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides Margalef, which was isolated from the Yatsushiro Sea of Japan, were experimentally investigated. C. polykrikoides was able to grow actively with inorganic nitrogen compounds and to grow at a slower rate on organic nitrogen compounds, urea and amino acid glycine, as N-sources. On the other hand, this organism was able to effectively utilize a variety of both inorganic and organic phosphorus compounds as P sources. Specific maximum growth rate (μ′m) and minimum cell quota (Q0), which were obtained by semi-continuous growth experiments, were 0.48 day-1 and 5.25 pmol cell-1 under N-limited steady-state conditions, and 0.54 day-1 and 0.37pmol cell-1 under P-limited steady-state conditions. Based on the physiological characteristics obtained in the present study, C. polykrikoides may have advantages for species competition.

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