ArticleGenomics, proteomics & bioinformatics2011
Cloning, expression, and homology modeling of GroEL protein from Leptospira interrogans serovar autumnalis strain N2.
Article in Genomics, proteomics & bioinformatics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Leptospiral Infection, Pathogenesis and Its Diagnosis-A Review.Pathogens (Basel, Switzerland) · 2021Review
- First isolation of Leptospira noguchii serogroups Panama and Autumnalis from cattle.Epidemiology and infection · 2015Article
- Proteomic analysis of urine exosomes reveals renal tubule response to leptospiral colonization in experimentally infected rats.PLoS neglected tropical diseases · 2015Article
- B-cell-specific peptides of leptospira interrogans LigA for diagnosis of patients with acute leptospirosis.Clinical and vaccine immunology : CVI · 2014Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Leptospirosis is an infectious bacterial disease caused by Leptospira species. In this study, we cloned and sequenced the gene encoding the immunodominant protein GroEL from L. interrogans serovar Autumnalis strain N2, which was isolated from the urine of a patient during an outbreak of leptospirosis in Chennai, India. This groEL gene encodes a protein of 60 kDa with a high degree of homology (99% similarity) to those of other leptospiral serovars. Recombinant GroEL was overexpressed in Escherichia coli. Immunoblot analysis indicated that the sera from confirmed leptospirosis patients showed strong reactivity with the recombinant GroEL while no reactivity was observed with the sera from seronegative control patient. In addition, the 3D structure of GroEL was constructed using chaperonin complex cpn60 from Thermus thermophilus as template and validated. The results indicated a Z-score of -8.35, which is in good agreement with the expected value for a protein. The superposition of the Ca traces of cpn60 structure and predicted structure of leptospiral GroEL indicates good agreement of secondary structure elements with an RMSD value of 1.5 Å. Further study is necessary to evaluate GroEL for serological diagnosis of leptospirosis and for its potential as a vaccine component.
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