Abstract:
:Dark-adapted isolated spinach chloroplasts and leaves, unlike sub-chloroplast fractions, are capable of emitting ultraweak light spontaneously (50-125 counts/s per cm2). The emission of leaves is due to two processes with activation energies of 97 and 25 kJ/mol while in isolated chloroplasts, it is the result of a single process (98 kJ/mol), as indicated by the Arrhenius plots of the intensity. Emission spectra demonstrate that the terminal step of these reactions is the excitation of chlorophyll in both samples. We suggest that the additional component in the ultraweak light emission of leaves may be related to mitochondria.
journal_name
FEBS Lettjournal_title
FEBS lettersauthors
Hideg E,Kobayashi M,Inaba Hdoi
10.1016/0014-5793(90)81454-vsubject
Has Abstractpub_date
1990-11-26 00:00:00pages
121-4issue
1-2eissn
0014-5793issn
1873-3468pii
0014-5793(90)81454-Vjournal_volume
275pub_type
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