Growth inhibition and formation of morphologically abnormal cells of Akashiwo sanguinea (Hirasaka) G. Hansen et Moestrup by cell contact with Cochlodinium polykrikoides Margalef

Yasuhiro Yamasaki, Sou Nagasoe, Tadashi Matsubara, Tomoyuki Shikata, Yohei Shimasaki, Yuji Oshima, Tsuneo Honjo

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Abstract

We investigated the growth interaction between Cochlodinium polykrikoides and Akashiwo sanguinea using bi-algal cultures. When cultured together, morphologically abnormal cells of A. sanguinea appeared and the growth of A. sanguinea notably decreased. When C. polykrikoides and A. sanguinea were cultured separately in inner and outer wells separated by a membrane with a pore size of 3 μm, neither species showed suppressed growth and no morphologically abnormal cells of A. sanguinea were observed. Furthermore, filtrates from C. polykrikoides cultures did not affect the cell morphology or the growth of A. sanguinea. When the abnormal cells of A. sanguinea were transferred from bi-algal cultures into fresh medium and cultured as a mono-algal culture, cells recovered their normal morphology and multiplied. Therefore, the growth inhibition and formation of morphologically abnormal cells of A. sanguinea would be induced by constant cell contact with C. polykrikoides.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalMarine Biology
Volume152
Issue number1
DOIs
Publication statusPublished - Jul 1 2007

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growth retardation
algal culture
cells
filtrates
membrane
cell culture
well

All Science Journal Classification (ASJC) codes

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

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Growth inhibition and formation of morphologically abnormal cells of Akashiwo sanguinea (Hirasaka) G. Hansen et Moestrup by cell contact with Cochlodinium polykrikoides Margalef. / Yamasaki, Yasuhiro; Nagasoe, Sou; Matsubara, Tadashi; Shikata, Tomoyuki; Shimasaki, Yohei; Oshima, Yuji; Honjo, Tsuneo.

In: Marine Biology, Vol. 152, No. 1, 01.07.2007, p. 157-163.

Research output: Contribution to journalArticle

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AU - Nagasoe, Sou

AU - Matsubara, Tadashi

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AU - Oshima, Yuji

AU - Honjo, Tsuneo

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