Results 101 to 110 of about 52,814 (284)

An Unusual Diterpene—Enhygromic Acid and Deoxyenhygrolides from a Marine Myxobacterium, Enhygromyxa sp.

open access: yesMarine Drugs, 2017
Three new compounds, enhygromic acid (1) and deoxyenhygrolides A (2) and B (3), were isolated from a marine myxobacterium, Enhygromyxa sp.
Tomohiko Tomura   +5 more
doaj   +1 more source

Uprolides N, O and P from the Panamanian Octocoral Eunicea succinea. [PDF]

open access: yes, 2016
Three new diterpenes, uprolide N (1), uprolide O (2), uprolide P (3) and a known one, dolabellane (4), were isolated from the CH₂Cl₂-MeOH extract of the gorgonian octocoral Eunicea succinea, collected from Bocas del Toro, on the Caribbean coast of Panama.
Fernandez, Patricia L   +7 more
core   +2 more sources

New Insights on Heat Shock Proteins as Regulators of Reactive Oxygen Species Across Various Stressors in Diseases

open access: yesCell Biochemistry and Function, Volume 44, Issue 2, February 2026.
ABSTRACT Living beings are persistently challenged by stress. Stress can be induced by internal stressors and external stressors. External stressors, including radiation, heat, heavy metals, nutritional imbalances, infections, and psychological stress, can induce protein denaturation, leading to misfolded or aggregated proteins.
Paka Sravan Kumar   +5 more
wiley   +1 more source

Secondary metabolites with ecologic and medicinal implications in Anthemis cretica subsp. petraea from Majella National Park [PDF]

open access: yes, 2016
Anthemis cretica subsp. petraea (Ten.) Greuter is a plant belonging to the Asteraceae family and endemic of central Italy. In this paper, the first analysisof the ethanolic fraction of samples collected in the Majella National Park is reported.
Alessandro Venditti   +7 more
core   +2 more sources

From beginning to end: the synecology of tree‐killing bark beetles, fungi, and trees

open access: yesBiological Reviews, Volume 101, Issue 1, Page 314-335, February 2026.
ABSTRACT Over a century of research has revealed an amazing complexity of behaviours and physiological adaptations that allow tiny bark beetles to overcome large trees, sometimes resulting in outbreaks that kill millions of trees. Turning a tree into a home and successfully raising offspring involves constant interactions among the beetles, the tree ...
Diana L. Six   +3 more
wiley   +1 more source

Anti-inflammatory effect of a pimarane diterpenoid isolated from Nepeta adenophyta Hedge based on a network analysis approach and experimental assessment

open access: yesFrontiers in Pharmacology
BackgroundAs an important folk medicine in Pakistan, Nepeta adenophyta Hedge has been widely used to treat abdominal pain, kidney pain, headaches, and for the alleviation of dysmenorrhea.
Wei Zhao   +5 more
doaj   +1 more source

Diterpenes from Laennecia sophiifolia

open access: yesPhytochemistry, 2000
From the aerial parts of Laennecia sophiifolia (Kunth) G.L. Nesom, a neo-clerodane and an acyclic furano diterpene were isolated, along with four known compounds, 2beta-hydroxyhardwickiic acid, hawtriwaic acid, apigenin, and beta-sitosterol. Their structures were established as 12-epi-bacchotricuneatin A and (2E,6E)-9-(3-furyl)-6-methyl-2-(4-methylpent-
Simirgiotis, Mario J.   +6 more
openaire   +3 more sources

Unveiling the Therapeutic Potential of “Taikong Blue” Lavender Essential Oil and Its Key Compounds in Skin Problems via Network Pharmacology and In Vitro Validation

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 2, February 2026.
ABSTRACT Background Taikong Blue Lavender Essential Oil (TLEO) is derived from a proprietary space‐bred cultivar of Lavandula angustifolia and cultivated under pristine conditions in Xinjiang, China. TLEO has long been used by regional people to treat various skin disorders such as hyperpigmentation, trans‐epidermal water loss, collagen degradation ...
Fei Liu   +8 more
wiley   +1 more source

Biotransformations of Imbricatolic Acid by Aspergillus niger and Rhizopus nigricans Cultures

open access: yesMolecules, 2007
Microbial transformation of imbricatolic acid (1) by Aspergillus niger afforded 1α-hydroxyimbricatolic acid (2), while transformation with Rhizopus nigricans yielded 15-hydroxy-8,17-epoxylabdan-19-oic acid (3).
Cristina Theoduloz   +4 more
doaj   +1 more source

Engineering of an Ancestral McbA with Enhanced Domain Mobility Extends Biocatalytic Amide Synthesis Scope

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 2, January 2026.
We show how engineered ancestral amide bond synthetases (ABSs) together with cofactor recycling using a single polyphosphate kinase paves the way for chemoenzymatic synthesis of pharmacophores. The figure illustrates how ancestral ABS has a more flexible C‐terminal domain, which is associated with enhanced catalytic performance and expanded amine scope.
Elisabeth Söderberg   +5 more
wiley   +1 more source

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