## The structures of the pyoverdins excreted in iron-deficient conditions by Pseudomonas putida G4R, a nitrogen-fixing Pseudomonas have been established using FAB-MS and 2D 111, 13C & 15N NMR on both the unlabelled and the 15Nlabelled molecules. They are chromopeptides possessing the following linea
Bacterial siderophores: Structure elucidation, 2D 1H and 13C NMR assignments of pyoverdins produced by Pseudomonas fluorescens CHAO
✍ Scribed by Sonny Wong-Lun-Sang; Jean-Jacques Bernardini; Christophe Hennard; Pavel Kyslík; Anne Dell; Mohamed A. Abdallah
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 249 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The compounds 3‐oxofriedelane (1), 3β‐hydroxyfriedelane (2), 3,11‐dioxofriedelane (3), 3,16‐dioxofrie delane (4) and 3‐oxo‐12α‐hydroxyfriedelane (5) were isolated from the hexane extract of __Maytenus gonoclada__ Mart. (__Celastraceae__) leaves. Structural formula and the stereochemistr