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Updated: Aug 18, 2026
Qualitative and Quantitative Analysis of Siderophore Production from Pseudomonas aeruginosa
Published on: March 15, 2024
Isolation and functional characterization of siderophore-producing lead- and cadmium-resistant Pseudomonas putida
Manishi Tripathi1, Hitendra P Munot, Yogesh Shouche
1Department of Microbiology, CBSH, G.B. Pant University of Agriculture & Technology, Pantnagar-263145, India.
Abstract:
Heavy metals, being phytotoxic, cause growth inhibition and even plant death. Siderophore-producing bacterial strain KNP9 is growth promoting and has been isolated from Panki Power Plant, Kanpur, India. It simulated significant (p > 5%) root and shoot growth of mung bean to the extent of 16.48% and 28.80%, respectively in the presence of CdCl(2) (110 microM: ). However, the increase in root and shoot growth was 20% and 19.5%, respectively, in the presence of (CH(3)COO)(2)Pb (660 microM: ). Moreover, concentration of accumulated lead and cadmium in root and shoot was also reduced in the presence of this isolate ranging from 37.5 to 93.19%. A moderate reduction in chlorophyll content (39.14%) in the presence of 110 microM: CdCl(2) was rescued by bioinoculant KNP9. However, the 19.58% decrease in chlorophyll content in the case of lead acetate remained unchanged even in the presence of KNP9. Nevertheless, 16S ribosomal DNA (rDNA) sequencing identified KNP9 as a strain of Pseudomonas putida.
