Results 51 to 60 of about 2,757 (181)

Genomic and Chemical Investigation of Bioactive Secondary Metabolites From a Marine-Derived Fungus Penicillium steckii P2648

open access: yesFrontiers in Microbiology, 2021
Marine fungi of the genus Penicillium are rich resources of secondary metabolites, showing a variety of biological activities. Our anti-bacterial screening revealed that the crude extract from a coral-derived fungus Penicillium steckii P2648 showed ...
Guangshan Yao   +9 more
doaj   +1 more source

Iron and Other Metal Ions in Human Health and Disease

open access: yesMedComm, Volume 7, Issue 10, October 2026.
Iron, copper, zinc, and calcium orchestrate cellular function through distinct yet cooperative mechanisms: redox‐active iron and copper cycle between oxidation states to act as Fenton catalysts and electron carriers in oxidative phosphorylation (OXPHOS); redox‐inert zinc serves as a structural component of zinc‐finger proteins and a catalytic cofactor ...
Xiaofeng Dai, Jitian Li
wiley   +1 more source

Safety and efficacy of feed additives consisting of tinctures derived from the roots or leaves and stems of Althaea officinalis L.: Marsh mallow root tincture for use in all animal species and marsh mallow leaf tincture for use in horses and dogs (FEFANA asbl)

open access: yesEFSA Journal, Volume 24, Issue 10, October 2026.
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of two tinctures obtained from the roots (marsh mallow root tincture) or leaves and stems (marsh mallow leaf tincture) of Althaea officinalis L. when used as sensory additives.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +23 more
wiley   +1 more source

Safety and efficacy of a feed additive consisting of l‐valine produced with Escherichia coli CCTCC M 2022134 for all animal species (Welding GmbH & Co. KG)

open access: yesEFSA Journal, Volume 24, Issue 10, October 2026.
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of l‐valine produced with a genetically modified strain of Escherichia coli CCTCC M 2022134 as a nutritional additive for feed and water for drinking for all animal species.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +25 more
wiley   +1 more source

Comparative study of red yeast rice with high monacolin K, low citrinin concentration and pigments in white rice and brown rice

open access: yesCzech Journal of Food Sciences, 2019
Growth pigments and metabolites of monacolin K and citrinin were compared for Monascus purpureus during 14-day solid-state ermentation on white rice and brown rice (Chai-Nart cultivar).
Pramuan Saithong   +2 more
doaj   +1 more source

Effect of low expression level of acetyl coenzyme A synthetase gene on secondary metabolite in Monascus

open access: yesCzech Journal of Food Sciences, 2022
Acetyl-coenzyme A (CoA) is a key metabolite produced by the acetyl-CoA synthetase (ACS) gene in energy metabolism and biosynthetic pathways. ACS is speculated to be the branching site of monacolin K (MK) and citrinin production and related to the ...
Lin Lin   +6 more
doaj   +1 more source

Citriquinolinones A and B: Rare Isoquinolinone-Embedded Citrinin Analogues and Related Metabolites from the Deep-Sea-Derived Aspergillus versicolor 170217

open access: yesMarine Drugs, 2023
A systematic chemical investigation of the deep-sea-derived fungus Aspergillus versicolor 170217 resulted in the isolation of six new (1–6) and 45 known (7–51) compounds.
Shui-Hua Lin   +12 more
doaj   +1 more source

Endophytic Fungi Natural Factories of Novel Bioactive Compounds

open access: yesChemistry &Biodiversity, Volume 23, Issue 9, September 2026.
This review provides a systematic analysis of 242 natural products isolated from 42 genera of endophytic fungi, highlighting their remarkable structural diversity and broad spectrum of biological activities . ABSTRACT Endophytic fungi represent a prolific and chemically diverse source of novel specialized metabolites with significant pharmacological ...
Dilmurod Murodullayev   +18 more
wiley   +1 more source

Functional analysis of Monascus ruber M7 and MrVeA gene related mutants by light control [PDF]

open access: yesZhongguo niangzao
In order to investigate the effect of light control on the function of Monascus ruber M7 and MrVeA gene related mutant ΔMrVeA, OEMrVeA, the gene deletion strain (ΔMrVeA) and overexpression strain (OEMrVeA) were constructed by MrVeA gene knockout and ...
ZHAO Yuxia, HE Xia, WANG Liling, HUANG Huihui, KUANG Linsha, HE Yi
doaj   +1 more source

Citrinin in Foods and Supplements: A Review of Occurrence and Analytical Methodologies

open access: yesFoods, 2020
Citrinin (CIT) deserves attention due to its known toxic effects in mammalian species and its widespread occurrence in food commodities, often along with ochratoxin A, another nephrotoxic mycotoxin. Human exposure, a key element in assessing risk related
Liliana J. G. Silva   +3 more
doaj   +1 more source

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