Abstract

Klebsiella oxytoca STA01 produced the serratiochelin A, an NRPS based siderophore. The strain isolated from the sago palm field in Tulehu, Ambon, Maluku, Republic of Indonesia. Its partial sequence of 16S ribosomal RNA gene has been deposited in GenBank (Acession number MT786342). Its producing siderophore was discovered based on chrome azurol S guide-screening of 12 isolates. One of them showed an orange halo appearance in the chrome azurol S agar plate. The fractionation with 50:50 (v/v) MeOH/water revealed the presence of serratiochelin A. The structure was then determined by MS2 fragmentation.

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