ArticleMicrobial ecology2018
Screening and Characterization of Phytases from Bacteria Isolated from Chilean Hydrothermal Environments.
Article in Microbial ecology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 36 citations in OpenAlex.
- Illuminating Antarctic Microbial Dark Matter:Environment & health (Washington, D.C.) · 2026Article
- A culturomics approach reveals cross-feeding capacity of intestinal pig bacteria upon release of inositol from phytate.Microbiome · 2026Article
- Functional and ecological characterization ofFrontiers in microbiology · 2026Article
- Endophytic bacterial communities in ungerminated and germinated seeds of commercial vegetables.Scientific reports · 2023Article
- Distribution of Culturable Phosphate-Solubilizing Bacteria in Soil Aggregates and Their Potential for Phosphorus Acquisition.Microbiology spectrum · 2022Article
- In-depth characterization of phytase-producing plant growth promotion bacteria isolated in alpine grassland of Qinghai-Tibetan Plateau.Frontiers in microbiology · 2022Article
- Characterisation of a soil MINPP phytase with remarkable long-term stability and activity from Acinetobacter sp.PloS one · 2022Article
- Rhizobacteria from 'flowering desert' events contribute to the mitigation of water scarcity stress during tomato seedling germination and growth.Scientific reports · 2021Article
- Composition and predicted functions of the bacterial community in spouting pool sediments from the El Tatio Geyser field in Chile.Archives of microbiology · 2021Article
- Natural Holobiome Engineering by Using Native Extreme Microbiome to Counteract the Climate Change Effects.Frontiers in bioengineering and biotechnology · 2020Review
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
Abstract
Phytases are enzymes involved in organic phosphorus cycling in nature and widely used as feed additives in animal diets. Thermal tolerance is a desired property of phytases. The objectives of this study were to screen and characterize bacterial phytases from Chilean hydrothermal environments. In this study, 60% (30 of 63) of screened thermophilic (60 °C) isolates showed phytase activity in crude protein extracts. The characterization of phytase from two selected isolates (9B and 15C) revealed that both isolates produce phytases with a pH optimum at 5.0. The temperature optimum for phytate dephosphorylation was determined to be 60 and 50 °C for the phytases from the isolates 9B and 15C, respectively. Interestingly, the phytase from the isolate 15C showed a residual activity of 46% after incubation at 90 °C for 20 min. The stepwise dephosphorylation of phytate by protein extracts of the isolates 9B and 15C was verified by HLPC analysis. Finally, the isolates 9B and 15C were identified by partial sequencing of the 16S rRNA gene as members of the genera Bacillus and Geobacillus, respectively.
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