期刊
NATURWISSENSCHAFTEN
卷 99, 期 6, 页码 465-472出版社
SPRINGER
DOI: 10.1007/s00114-012-0921-5
关键词
Biophoton emission; Chronobiology; Germination; Gravimetric tide
资金
- FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, Brazil)
- CNPq (Conselho Nacional de Pesquisa, Brazil)
Semi-circadian rhythms of spontaneous photon emission from wheat seedlings germinated and grown in a constant environment (darkened chamber) were found to be synchronized with the rhythm of the local gravimetric (lunisolar) tidal acceleration. Time courses of the photon-count curves were also found to match the growth velocity profile of the seedlings. Pair-wise analyses of the data-growth, photon count, and tidal-by local tracking correlation always revealed significant coefficients (P > 0.7) for more than 80% of any of the time periods considered. Using fast Fourier transform, the photon-count data revealed periodic components similar to those of the gravimetric tide. Time courses of biophoton emissions would appear to be an additional, useful, and innovative tool in both chronobiological and biophysical studies.
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