ArticleApplied and environmental microbiology2016
Role of Phosphate Transport System Component PstB1 in Phosphate Internalization by Nostoc punctiforme.
Article in Applied and environmental microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 60 citations in OpenAlex.
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- Revealing the Existence of Diverse Strategies for Phosphorus Solubilization and Acquisition in Plant-Growth PromotingMicroorganisms · 2025Article
- Gene content of seawater microbes is a strong predictor of water chemistry across the Great Barrier Reef.Microbiome · 2025Article
- Adaptive Responses of Cyanobacteria to Phosphate Limitation: A Focus on Marine Diazotrophs.Environmental microbiology · 2024Review
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- Taxonomic and functional metagenomic assessment of a Dolichospermum bloom in a large and deep lake south of the Alps.FEMS microbiology ecology · 2024Article
- Getting Grip on Phosphorus: Potential of Microalgae as a Vehicle for Sustainable Usage of This Macronutrient.Plants (Basel, Switzerland) · 2024Review
- Pseudomonas flavocrustae sp. nov., an endophyte with plant growth promoting traits isolated from Passiflora incarnata.Scientific reports · 2024Article
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- Characterisation of 'Candidatus Methylobacter titanis' sp. nov., a putative novel species of Methylobacter clade 2 and their distribution in sediments of freshwater lakes in maritime Antarctica.Antonie van Leeuwenhoek · 2023Article
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- Temperature-induced modulation of stress-tolerant PGP genes bioprospected fromFrontiers in plant science · 2023Article
- Schindler's legacy: from eutrophic lakes to the phosphorus utilization strategies of cyanobacteria.FEMS microbiology reviews · 2022Review
- Photosynthetic and ultrastructural responses of the chlorophyte Lobosphaera to the stress caused by a high exogenic phosphate concentration.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2022Article
- Consortium of plant growth-promoting rhizobacteria enhances oilseed rape (Brassica napus L.) growth under normal and saline conditions.Archives of microbiology · 2022Article
- Effect of experimentally increased nutrient availability on the structure, metabolic activities, and potential microbial functions of a maritime Antarctic microbial mat.Frontiers in microbiology · 2022Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In bacteria, limited phosphate availability promotes the synthesis of active uptake systems, such as the Pst phosphate transport system. To understand the mechanisms that facilitate phosphate accumulation in the cyanobacterium Nostoc punctiforme, phosphate transport systems were identified, revealing a redundancy of Pst phosphate uptake systems that exists across three distinct operons. Four separate PstB system components were identified. pstB1 was determined to be a suitable target for creating phenotypic mutations that could result in the accumulation of excessive levels of phosphate through its overexpression or in a reduction of the capacity to accumulate phosphate through its deletion. Using quantitative real-time PCR (qPCR), it was determined that pstB1 mRNA levels increased significantly over 64 h in cells cultured in 0 mM added phosphate and decreased significantly in cells exposed to high (12.8 mM) phosphate concentrations compared to the level in cells cultured under normal (0.8 mM) conditions. Possible compensation for the loss of PstB1 was observed when pstB2, pstB3, and pstB4 mRNA levels increased, particularly in cells starved of phosphate. The overexpression of pstB1 increased phosphate uptake by N. punctiforme and was shown to functionally complement the loss of PstB in E. coli PstB knockout (PstB
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