ArticleCurrent microbiology2014
Genetically engineered Lactobacillus plantarum WCFS1 constitutively secreting heterologous oxalate decarboxylase and degrading oxalate under in vitro.
Article in Current microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Decarboxylase mediated oxalic acid metabolism is important to antioxidation and detoxification rather than pathogenicity inVirulence · 2025Article
- Probiotics in the prevention and treatment of calcium oxalate kidney stones: mechanisms and therapeutic potential.Frontiers in microbiology · 2025Review
- Review
- Broad range shuttle vector construction and promoter evaluation for the use ofSynthetic biology (Oxford, England) · 2019Article
- In vivo bioluminescence imaging of the spatial and temporal colonization of lactobacillus plantarum 423 and enterococcus mundtii ST4SA in the intestinal tract of mice.BMC microbiology · 2018Article
- Article
- Tuning constitutive recombinant gene expression in Lactobacillus plantarum.Microbial cell factories · 2014Article
- Recombinant Lactobacillus plantarum expressing and secreting heterologous oxalate decarboxylase prevents renal calcium oxalate stone deposition in experimental rats.Journal of biomedical science · 2014Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Hyperoxaluria is a major risk factor for urinary stone disease, where calcium oxalate (CaOx) is the most prevalent type of kidney stones. Systemic treatments of CaOx kidney stone patients are limited and comprise drawbacks including recurrence of stone formation and kidney damages. In the present work Lactobacillus plantarum (L. plantarum) was engineered to constitutively secrete oxalate decarboxylase (OxdC) for the degradation of intestinal oxalate. The homologous promoter PldhL and signal peptide Lp_0373 of L. plantarum were used for constructing recombinant vector pLdhl0373OxdC. Results showed that homologous promoter PldhL and signal peptide Lp_0373 facilitated the production, secretion, and functional expression of OxdC protein in L. plantarum. SDS-PAGE analysis revealed that 44 kDa protein OxdC was seen exceptionally in the culture supernatant of recombinant L. plantarum (WCFS1OxdC) harboring the plasmid pLdhl0373OxdC.The culture supernatant of L. plantarum WCFS1OxdC showed OxdC activity of 0.06 U/mg of protein, whereas no enzyme activity was observed in the supernatant of the wild type WCFS1 and the recombinant NC8OxdC strains. The purified recombinant OxdC from the WCFS1OxdC strain showed an activity of 19.1 U/mg protein. The recombinant L. plantarum strain secreted 25 % of OxdC protein in the supernatant. The recombinant strain degraded more than 70 % of soluble oxalate in the culture supernatant. Plasmid segregation analysis revealed that the recombinant strain lost almost 70-89 % of plasmid in 42nd and 84th generation, respectively. In conclusion, recombinant L. plantarum strain containing plasmid pLdhl0373OxdC showed constitutive secretion of bioactive OxdC and also capable of degrading externally available oxalate under in vitro conditions.
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