ArticleScientific reports2012
Bacteriophytochrome controls carotenoid-independent response to photodynamic stress in a non-photosynthetic rhizobacterium, Azospirillum brasilense Sp7.
Article in Scientific reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 18 citations in OpenAlex.
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- A Study of the Different Strains of the GenusPlants (Basel, Switzerland) · 2025Review
- Light cues induce protective anticipation of environmental water loss in terrestrial bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Studies Using Mutant Strains ofMicroorganisms · 2023Article
- A light life together: photosensing in the plant microbiota.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2021Review
- Comparative Analysis of Bacteriophytochrome Agp2 and Its Engineered Photoactivatable NIR Fluorescent Proteins PAiRFP1 and PAiRFP2.Biomolecules · 2020Article
- Light on the cell cycle of the non-photosynthetic bacterium Ramlibacter tataouinensis.Scientific reports · 2019Article
- Simplified and representative bacterial community of maize roots.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Arm-in-Arm Response Regulator Dimers Promote Intermolecular Signal Transduction.Journal of bacteriology · 2016Article
- Genome-wide survey of two-component signal transduction systems in the plant growth-promoting bacterium Azospirillum.BMC genomics · 2015Article
- Streptophyte phytochromes exhibit an N-terminus of cyanobacterial origin and a C-terminus of proteobacterial origin.BMC research notes · 2015Article
- Interdependence of tetrapyrrole metabolism, the generation of oxidative stress and the mitigative oxidative stress response.Redox biology · 2015Review
- Autophosphorylation activity of a soluble hexameric histidine kinase correlates with the shift in protein conformational equilibrium.Chemistry & biology · 2013Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ever since the discovery of the role of bacteriophytochrome (BphP) in inducing carotenoid synthesis in Deinococcus radiodurans in response to light the role of BphPs in other non-photosynthetic bacteria is not clear yet. Azospirillum brasilense, a non-photosynthetic rhizobacterium, harbours a pair of BphPs out of which AbBphP1 is a homolog of AtBphP1 of Agrobacterium tumefaciens. By overexpression, purification, biochemical and spectral characterization we have shown that AbBphP1 is a photochromic bacteriophytochrome. Phenotypic study of the ΔAbBphP1 mutant showed that it is required for the survival of A. brasilense on minimal medium under red light. The mutant also showed reduced chemotaxis towards dicarboxylates and increased sensitivity to the photooxidative stress. Unlike D. radiodurans, AbBphP1 was not involved in controlling carotenoid synthesis. Proteome analysis of the ΔAbBphP1 indicated that AbBphP1 is involved in inducing a cellular response that enables A. brasilense in regenerating proteins that might be damaged due to photodynamic stress.
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