Optimization, characterization and biological activity of siderophore produced by marine Streptomyces coelicolor.

ABSTRACT: Two Streptomyces spp. were isolated from open ocean waters of the Gulf of Mannar. Of the two isolates, one was identified as Streptomyces coelicolor through conventional and molecular approaches, and it was found to produce a siderophore. Characterization revealed the siderophore to be of trihydroxamate type with hexadentate iron-binding capacity. FTIR analysis indicated the presence of aromatic rings with C-O and C = C stretching, while 1H and 13C NMR together with mass spectrometry confirmed the hydroxamate nature and identified the siderophore as ferrioxamine. A narrow shift in λ max indicate the photoreactive nature of the siderophore on exposure to sunlight. The cell-free supernatant of S. coelicolor and the purified siderophore dose-dependently inhibited the growth of microbial patho

SUBMITTER: Sirajudeen BB 

PROVIDER: S-EPMC12863511 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature