Strong tolerance of blue-green alga Microcystis flos-aquae to very high pressure

F. Ono, N. Nishihira, Y. Hada, Y. Mori, K. Takarabe, M. Saigusa, Yasushi Matsushima, Daisuke Yamazaki, E. Ito

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

It was shown in our previous reports that a few spores of moss Venturiella could tolerate the very high pressure of 20 GPa for 30 min and germinated a protonema to the length of 30 μm. However, these spores did not grow any further, and disappeared at around 30 days of incubation after seeded. On the other hand, colonies of blue-green alga Microcystis flos-aquae came to appear about 76 days after the moss spores were seeded. Many of these colonies appeared at the places where the moss spores had disappeared. These colonies were formed by the algae that had adhered to the spore cases of the moss and survived after exposure to the very high pressure of 20 GPa. Though the appearance of the colonies of high pressure exposed algae was delayed by about 50 days compared with that of the control group which was not exposed to high pressure, there seems no difference in their shape and color from those of the control group. The pressure tolerance of blue-green alga is found to be enormously strong, and it can survive after exposure to the high pressure which corresponds to the depth of about 550-600 km from the surface of the Earth, just above the lower mantle.

Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalJournal of Physics and Chemistry of Solids
Volume84
Issue number1
DOIs
Publication statusPublished - 2015

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Microcystis
blue green algae
spores
Bryophytes
algae
Algae
Earth mantle
Cyanobacteria
color
Earth (planet)
Color

Keywords

  • C. High pressure

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Science(all)

Cite this

Strong tolerance of blue-green alga Microcystis flos-aquae to very high pressure. / Ono, F.; Nishihira, N.; Hada, Y.; Mori, Y.; Takarabe, K.; Saigusa, M.; Matsushima, Yasushi; Yamazaki, Daisuke; Ito, E.

In: Journal of Physics and Chemistry of Solids, Vol. 84, No. 1, 2015, p. 57-62.

Research output: Contribution to journalArticle

Ono, F. ; Nishihira, N. ; Hada, Y. ; Mori, Y. ; Takarabe, K. ; Saigusa, M. ; Matsushima, Yasushi ; Yamazaki, Daisuke ; Ito, E. / Strong tolerance of blue-green alga Microcystis flos-aquae to very high pressure. In: Journal of Physics and Chemistry of Solids. 2015 ; Vol. 84, No. 1. pp. 57-62.
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