Collema cristatum

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Floristic lichen records from Isparta and Burdur provinces

Seventy-three taxa from Isparta and Burdur provinces were identified. Thirty-eight taxa are new records for Isparta province. Two taxa, Collema cristatum (L.) Weber ex F.H.Wigg. and Squamarina cartilaginea (With.) P.James var. pseudocrassa D.Hawksw., were determined from Burdur province and are new records for Burdur.

8p vineptune2711 31-10-2019 9 0 Download

Báo cáo khóa học: A new UV-B absorbing mycosporine with photo protective activity from the lichenized ascomycete Collema cristatum

Anovel photoprotectivemycosporinewas isolated fromthe lichenized ascomyceteCollema cristatum. Biological activity was measured in terms of protection against UV-B induced membrane destruction and pyrimidine dimer formation in cultured human keratinocytes, and prevention of UV-B induced erythema. It was found that the pure isolated compound prevented UV-B induced cell destruction in a dose-dependent manner, that the compound partially pre-vented pyrimidine dimer formation and completely preven-ted UV-B induced erythema when applied to the skin prior to irradiation....

5p dell39 03-04-2013 41 3 Download