Results 21 to 30 of about 1,024 (191)

Enhanced hypocrellin production of Shiraia sp. SUPER-H168 by overexpression of alpha-amylase gene. [PDF]

open access: yesPLoS ONE, 2018
Relative expression levels of twenty-four amylase genes in Shiraia sp. SUPER-H168 were investigated by real-time quantitative PCR when various carbohydrates, including glucose, sucrose, maltose, amylose, amylopectin and corn flour, were used as carbon ...
Ruijie Gao   +7 more
doaj   +2 more sources

Polyphenolic natural products as photosensitizers for antimicrobial photodynamic therapy: recent advances and future prospects [PDF]

open access: yesFrontiers in Immunology, 2023
Antimicrobial photodynamic therapy (aPDT) has become a potent contender in the fight against microbial infections, especially in the context of the rising antibiotic resistance crisis. Recently, there has been significant interest in polyphenolic natural
Xiaoyun Wang   +11 more
doaj   +2 more sources

Improvement of hypocrellin production by a new fungal source and optimization of cultivation conditions

open access: yesBiotechnology & Biotechnological Equipment, 2016
Hypocrellins is regarded as the new generation of potential photosensitizer in the photodynamic therapy. However, the current production of HA in large quantity is limited, whether extracted from the fruit bodies of Hypcrella bambusae and Shiraia ...
Xiao-Ye Shen   +3 more
doaj   +2 more sources

Production of fungal hypocrellin photosensitizers: Exploiting bambusicolous fungi and elicitation strategies in mycelium cultures [PDF]

open access: yesMycology
Hypocrellins, a group of naturally occurring perylenequinone pigments produced by Shiraia bambusicola, are notable for their potential use in photodynamic therapy (PDT) for treating cancers and viruses.
Xin Ping Li   +3 more
doaj   +2 more sources

Temperature-responsive regulation of the fermentation of hypocrellin A by Shiraia bambusicola (GDMCC 60438) [PDF]

open access: yesMicrobial Cell Factories, 2022
Background Hypocrellin A (HA) is a perylene quinone pigment with high medicinal value that is produced by Shiraia bambusicola Henn. (S. bambusicola) and Hypocrella bambusae (Berk. & Broome) Sacc.
Yongdi Wen   +4 more
doaj   +2 more sources

Photodynamic Antifungal Activity of Hypocrellin A Against Candida albicans

open access: yesFrontiers in Microbiology, 2019
Many studies have reported that hypocrellin A (HA) exhibits effective antimicrobial activities with proper irradiation. However, its antifungal activity and the involved mechanism have not been fully defined.
Ke Xu, Jue Wang, Yingzhi Zhuge
exaly   +3 more sources

Natural Photosensitizers in Cancer Therapy: A Chemo-Biodiversity Perspective on Light-Activated Natural Compounds. [PDF]

open access: yesChem Biodivers
Natural photosensitizers, shaped by chemo‐biodiversity and evolution, offer diverse photoactive scaffolds for PDT. This review highlights their structure–activity relationships, photophysical properties, and nanotechnology‐based strategies to enhance efficacy, while addressing translational challenges and demonstrating how nature's molecular diversity ...
Baidoo I, Abrahamse H, George BP.
europepmc   +2 more sources

Hypocrellin: A Natural Photosensitizer and Nano-Formulation for Enhanced Molecular Targeting of PDT of Melanoma. [PDF]

open access: yesWiley Interdiscip Rev Nanomed Nanobiotechnol
Nanotechnology and combination with natural photosensitizers are a prospective means of controlling cancer. Studies on photodynamic therapy (PDT) have shown that improvements in drug administration are required in order to preserve or enhance the mechanistic cell killing effects of PDT on malignant cells.
Gugu Nkosi PW, Chandran R, Abrahamse H.
europepmc   +2 more sources

HYPOCRELLINS and THEIR USE IN PHOTOSENSITIZATION* [PDF]

open access: yesPhotochemistry and Photobiology, 1990
Abstract— Hypocrellins A and B are pigments which are isolated from parasitic fungi Hypocrella bambuase (B. et Br) sacc. and Shiraia bambusicola P. Heen found in the People's Republic of China (P.R.C.) and Sri Lanka respectively. These agents, which belong to the general class of perylene quinonoid pigments, have a long history as traditional medicinal
D, Zhenjun, J W, Lown
openaire   +2 more sources

Melatonin-Induced Inhibition of Shiraia Hypocrellin A Biosynthesis Is Mediated by Hydrogen Peroxide and Nitric Oxide

open access: yesJournal of Fungi, 2022
Melatonin (MLT), an evolutionarily conserved pleiotropic molecule, is implicated in numerous physiological processes in plants and animals. However, the effects of MLT on microbes have seldom been reported.
Wenjuan Wang   +5 more
doaj   +1 more source

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