RT journal article T1 Enhancing Structural Diversity of Lathyrane Derivatives through Biotransformation by the Marine-Derived Actinomycete Streptomyces puniceus BC-5GB.11 A1 Escobar Montaño, Felipe A1 González Rodríguez, Victoria Eugenia A1 Macías Sánchez, Antonio José A1 Botubol Ares, José Manuel A1 Durán Patrón, Rosa María A1 Hernández Galán, Rosario A2 BiomedicinaBiotecnología y Salud Pública A2 Química Orgánica K1 marine-derived actynomicete K1 Streptomyces K1 diterpenoids K1 lathyranes K1 biotransformation AB Lathyrane-type diterpenes have a wide range of biological activities. Among them, euphoboetiraneA (1) exerts neurogenesis-promoting activity. In order to increase the structural diversityof this type of lathyrane and explore its potential use in neurodegenerative disorders, the biotransformationof 1 by Streptomyces puniceus BC-5GB.11 has been investigated. The strain BC-5GB.11, isolatedfrom surface sediments collected from the intertidal zone of the inner Bay of Cadiz, was identified asStreptomyces puniceus, as determined by phylogenetic analysis using 16S rRNA gene sequence. Biotransformationof 1 by BC-5GB.11 afforded five products (3–7), all of which were reported here for thefirst time. The main biotransformation pathways involved regioselective oxidation at non-activatedcarbons (3–5) and isomerization of the D12,13 double bond (6). In addition, a cyclopropane-rearrangedcompound was found (7). The structures of all compounds were elucidated on the basis of extensiveNMR and HRESIMS spectroscopic studies. PB MDPI SN 1422-0067 YR 2024 FD 2024 LK http://hdl.handle.net/10498/32867 UL http://hdl.handle.net/10498/32867 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 06-nov-2026