Results 181 to 190 of about 31,806 (308)

Dose–response modelling uncovers compound‐specific inhibitory effects of host defence volatiles on mountain pine beetle fungal symbionts

Pest Management Science, Volume 82, Issue 10, Page 10241-10250, October 2026.
Host defence volatiles inhibit mountain pine beetle fungal symbionts in a compound‐ and enantiomer‐specific manner, with distinct dose–response profiles that reveal the multitarget chemical defences of beetle–fungi symbiotes. Abstract BACKGROUND The mountain pine beetle relies on symbiotic fungi to overcome host tree defences, yet these fungi must ...
Duo Zhang, Yanzhuo Liu, Xinyi Zhao, Guncha Ishangulyyeva, Nadir Erbilgin   +4 more
wiley   +1 more source

Seasonal Variation in Chemical Constituents and Bioactivity of Ageratina adenophora. [PDF]

Chem Biodivers
Yang C, Yang T, Zhang Y, Li L, Li H, Yan X, Hu S.   +6 more
europepmc   +1 more source

Biosynthese des vollständig gesättigten C16‐Homosesquiterpens Descartan durch Deprotonierung mit Cyclopropanierung

Angewandte Chemie, Volume 138, Issue 38, 14 September 2026.
Eine nicht‐kanonische C16‐Sesquiterpensynthase aus Morganella morganii produziert das ungewöhnliche Grundgerüst Descartan. Ihr Cyclisierungsmechanismus wurde mittels Isotopenmarkierungsexperimenten und DFT‐Berechnungen aufgeklärt. Gezielte Mutagenese veränderte die Enzymfunktion und führte zu alternativen Produkten, darunter Voltairen, dessen ...
Kexin Yang, Philip Troycke, Bernd Goldfuss, Michael Groll, Jeroen S. Dickschat   +4 more
wiley   +1 more source

Structural classification, biosynthesis, metabolic engineering and ecological functions for the terpenes produced in tobacco. [PDF]

Front Plant Sci
Xu X, Li X, Liu D, Hu J, Deng B, Yang C, He Y, Zhang W, Liu X, Li W, Qiao J, Liu S, Li X, Wang S.   +13 more
europepmc   +1 more source

Biosynthesis of the Fully Saturated C16 Homosesquiterpene Descartane Through Deprotonation With Cyclopropanation

Angewandte Chemie International Edition, Volume 65, Issue 38, 14 September 2026.
A non‐canonical C16 sesquiterpene synthase from Morganella morganii produces the unusual scaffold descartane. Its cyclisation mechanism was rationalised by isotopic labelling experiments and DFT calculations. Site‐directed mutagenesis altered enzyme function, resulting in alternative products, including voltairene, which requires a different ...
Kexin Yang, Philip Troycke, Bernd Goldfuss, Michael Groll, Jeroen S. Dickschat   +4 more
wiley   +1 more source

Exploring Heteropanax fragrans (Roxb.) Seem. Essential Oils: Chemical Composition and Insecticidal Activity Against Stored-Product Insects. [PDF]

Chem Biodivers
Gu YQ, Liu RQ, Zhang Y, Zhang YC, Wang D, Du SS, Qu GL.   +6 more
europepmc   +1 more source

Chemical Profiling and Antimicrobial Activity of the Leaf Essential Oil of <i>Vepris nobilis</i> (Delile) Mziray: In Silico Evaluation of the Major Constituent, Germacrene D. [PDF]

Int J Mol Sci
Paulos B, Yeshak MY, Mazumder A, Lindemann P, Bisrat D, Asres K.   +5 more
europepmc   +1 more source

GC-MS-based metabolomic profiling and <i>in silico</i> evaluation of antifungal potential: a comparative study of extraction methods. [PDF]

RSC Adv
Saadati Keyvan M, Kiani-Anbouhi R, Doosti R, Asadian M.   +3 more
europepmc   +1 more source

Comparative Analysis of Chemical Composition and Bioactivities of Essential Oils From Different Parts of Wild‐Grown Alpinia siamensis K.Schum. in Vietnam

Chemistry &Biodiversity, Volume 23, Issue 9, September 2026.
The essential oils of Alpinia siamensis are rich in β‐bisabolene, 1,8‐cineole, and β‐pinene. These essential oils inhibit α‐amylase and tyrosinase and also suppress the growth of Escherichia coli and Bacillus subtilis. ABSTRACT This study investigated chemical composition and bioactivities of essential oils (EOs) obtained from the rhizomes (REO ...
Nguyen Thi Kim Anh, Trang H. D. Nguyen, Tran Thi Huyen, Le Nhat Tam, Dang Ngoc Phuc, Anh Tu Phan, Le Duc Giang, Duong Chi, Nguyen Thi Ngan   +8 more
wiley   +1 more source

Temperature-Directed Reprogramming of Volatile and Semi-Volatile Metabolism in <i>Ginkgo biloba</i> Microclones Under Cold and Heat Stress. [PDF]

Int J Mol Sci
Korbozova N, Samarina L, Shadenova E, Dairbekova D, Yerbay M, Terletskaya N.   +5 more
europepmc   +1 more source