Document Detail

Lichen photobionts show tolerance against lichen acids produced by lichen mycobionts.
MedLine Citation:
PMID:  19060396     Owner:  NLM     Status:  MEDLINE    
In order to determine the allelopathic nature of lichen acids produced by lichen mycobionts, we compared lichen photobionts with other photosynthetic organisms in terms of inhibition of photosynthetic electron transport around photosystem II (PSII) by representative lichen acids. Whereas at the thylakoid level we found no clear difference in tolerance against lichen acids between lichen photobionts and other species, at the cellular level lichen photobionts showed strong tolerance as compared with other species. These findings suggest the presence of a lichen acid-specific exclusion or detoxification mechanism in lichen photobiont cells.
Toshikazu Takahagi; Tsuyoshi Endo; Yoshikazu Yamamoto; Fumihiko Sato
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Publication Detail:
Type:  Journal Article     Date:  2008-12-07
Journal Detail:
Title:  Bioscience, biotechnology, and biochemistry     Volume:  72     ISSN:  1347-6947     ISO Abbreviation:  Biosci. Biotechnol. Biochem.     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-12-24     Completed Date:  2009-02-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205717     Medline TA:  Biosci Biotechnol Biochem     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  3122-7     Citation Subset:  IM    
Graduate School of Biostudies, Kyoto University, Kyoto, Japan.
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MeSH Terms
Acids, Carbocyclic / metabolism*,  pharmacology*
Benzofurans / metabolism*,  pharmacology*
Cells, Cultured
Chlorophyll / metabolism
Electron Transport / drug effects
Lichens / metabolism*
Photosynthesis / drug effects
Photosystem II Protein Complex / antagonists & inhibitors,  metabolism
Plants / cytology,  drug effects,  growth & development,  metabolism
Reg. No./Substance:
0/Acids, Carbocyclic; 0/Benzofurans; 0/Photosystem II Protein Complex; 125-46-2/usnic acid; 1406-65-1/Chlorophyll

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