Nature and bioactivities of endolichenic fungi in Pseudocyphellaria sp., Parmotrema sp. and Usnea sp. at Hakgala montane forest in Sri Lanka

Letters in Applied Microbiology
B T S D P KannangaraP A Paranagama

Abstract

The aim of this study was to investigate the nature and bioactivities of endolichenic fungi in three abundant lichens, Pseudocyphellaria sp., Usnea sp. and Parmotrema sp. in the lower elevation of Hakgala montane forest in Sri Lanka. Endolichenic fungal strains, fungi that live asymptomatically in the lichen thallus, much the same way as endophytic fungi live within healthy plant tissues, were isolated from three abundant lichen species, Pseudocyphellaria sp., Usnea sp. and Parmotrema sp., at Hakgala montane forest in Sri Lanka, using the surface sterilization method. Nine endolichenic fungal strains were isolated from Parmotrema sp. and Usnea sp. separately, while 11 endolichenic fungi were recovered from the lichen Pseudocyphellaria sp. Isolation of endolichenic fungus Chrysosporium sp. 2 was common to all three lichen species. Substrate utilization patterns and antifungal activities of eight endolichenic fungal species were evaluated and the results revealed that all the test fungi were able to produce at least one enzyme to utilize the test substrates. Nigrospora sp., Chrysosporium sp. 1 and 2 and Cladosporium sp. showed antifungal activities on growth of some selected plant pathogenic fungi. Endolichenic fungal strains (29...Continue Reading

References

Apr 1, 1980·Canadian Journal of Microbiology·T W Flegel
Mar 7, 2003·Canadian Journal of Microbiology·Saisamorn LumyongKevin D Hyde

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Citations

Dec 31, 2016·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lu ZhaoJae-Seoun Hur
Aug 21, 2018·Mycology·Trichur S Suryanarayanan, Nagamani Thirunavukkarasu
Nov 26, 2019·Planta medica·Meenavalli Babu Govinda RajuluTrichur Subramanian Suryanarayanan
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·A Nethma WethalawePriyani A Paranagama

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