Pheophytin analogues from the medicinal lichen Usnea diffracta
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DOI: 10.1080/14786419.2017.1380019
Abstract: Abstract A new pheophytin, (132S, 17S, 18S)-132-hydroxy-20-chloro-ethylpheophorbide a (3), along with two known analogues (1–2) were isolated from the lichen Usnea diffracta Vainio (Parmeliaceae). Among them, compound 3 was a rare C-20-chloro type pheophytin obtained… read more here.
Keywords: lichen usnea; usnea diffracta; pheophytin; analogues medicinal ... See more keywords
Phytochemical composition, antimicrobial activities, and cholinesterase inhibitory properties of the lichen Usnea diffracta Vain
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DOI: 10.3389/fchem.2022.1063645
Abstract: Lichens are important sources of versatile bioactive compounds. Two new dibenzofurans (1–2), a multi-substituted single benzene ring (3), and two organic acid compounds (4–5) along with 25 known compounds (6–30) were isolated from the lichen… read more here.
Keywords: lichen usnea; diffracta vain; inhibitory activities; usnea diffracta ... See more keywords
Diversity of endophytic bacterial and fungal microbiota associated with the medicinal lichen Usnea longissima at high altitudes
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DOI: 10.3389/fmicb.2022.958917
Abstract: Endophytic microbial communities of lichen are emerging as novel microbial resources and for exploration of potential biotechnological applications. Here, we focused on a medicinal lichen Usnea longissima, and investigated its bacterial and fungal endophytes. Using… read more here.
Keywords: lichen; microbiota; lichen usnea; diversity ... See more keywords
Coccomyxa antarctica sp. nov. from the Antarctic lichen Usnea aurantiacoatra
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DOI: 10.3897/phytokeys.98.25360
Abstract: Abstract The single celled green alga Coccomyxa antarctica Shunan Cao & Qiming Zhou, sp. nov. was isolated from the Antarctic torrential lichen Usnea aurantiacoatra (Jacq.) Bory. It is described and illustrated based on a comprehensive… read more here.
Keywords: antarctica nov; coccomyxa antarctica; usnea aurantiacoatra; lichen usnea ... See more keywords