Preserving life of moss Ptychomitrium under very high pressure

N. Nishihira, A. Shindo, M. Saigusa, F. Ono, Yasushi Matsushima, Y. Mori, K. Takarabe, N. L. Saini, M. Yamashita

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The experiment on the search for life under very high pressure done on small animal, tardigrade, has been extended to the moss Ptychomitrium. Several spore placentas of the moss Ptychomitrium were sealed in a small Teflon capsule together with fluorinate as liquid pressure medium. The capsule was put in the center of a pyrophillite cube. This cube was compressed by six tungstencarbide second-stage anvils with a front edge length of 4.0 mm. These anvils were compressed by a first stage, 250 ton press. It was proven that 8090% of the spores were alive and germinated after being exposed to the maximum pressure of 7.5 GPa for up to 48 h. Furthermore, a relatively high germination rate of about 35% was retained even after exposure to 7.5 GPa for 6 days. The pressure tolerance of moss is found to be much stronger than tardigrades.

Original languageEnglish
Pages (from-to)1123-1126
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume71
Issue number8
DOIs
Publication statusPublished - Aug 2010

Fingerprint

Bryophytes
preserving
spores
capsules
anvils
germination
Capsules
teflon (trademark)
animals
Polytetrafluoroethylene
Polytetrafluoroethylenes
Animals
liquids
Liquids
Experiments

ASJC Scopus subject areas

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

Cite this

Preserving life of moss Ptychomitrium under very high pressure. / Nishihira, N.; Shindo, A.; Saigusa, M.; Ono, F.; Matsushima, Yasushi; Mori, Y.; Takarabe, K.; Saini, N. L.; Yamashita, M.

In: Journal of Physics and Chemistry of Solids, Vol. 71, No. 8, 08.2010, p. 1123-1126.

Research output: Contribution to journalArticle

Nishihira, N, Shindo, A, Saigusa, M, Ono, F, Matsushima, Y, Mori, Y, Takarabe, K, Saini, NL & Yamashita, M 2010, 'Preserving life of moss Ptychomitrium under very high pressure', Journal of Physics and Chemistry of Solids, vol. 71, no. 8, pp. 1123-1126. https://doi.org/10.1016/j.jpcs.2010.03.018
Nishihira, N. ; Shindo, A. ; Saigusa, M. ; Ono, F. ; Matsushima, Yasushi ; Mori, Y. ; Takarabe, K. ; Saini, N. L. ; Yamashita, M. / Preserving life of moss Ptychomitrium under very high pressure. In: Journal of Physics and Chemistry of Solids. 2010 ; Vol. 71, No. 8. pp. 1123-1126.
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