Advances in the Biology of Phototrophic Bacteria

In situ metatranscriptomic and proteomic studies demonstrate the high metabolic flexibility of Chloroflexus aggregans in a hot spring microbial mat and show its adaptation to the changing conditions over day and night periods by a well-coordinated regulation of key metabolic processes for both photo...

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Bibliographic Details
Main Author: Imhoff, Johannes F.
Format: eBook
Language:English
Published: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute 2021
Subjects:
N/a
Irr
Dnr
Online Access:
Collection: Directory of Open Access Books - Collection details see MPG.ReNa
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245 0 0 |a Advances in the Biology of Phototrophic Bacteria  |h Elektronische Ressource 
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653 |a energy metabolism 
653 |a aerobic anoxygenic phototrophs 
653 |a nitric oxide 
653 |a Crp/Fnr 
653 |a ChpT 
653 |a phototrophic purple bacteria 
653 |a anoxygenic phototroph 
653 |a Chromocurvus halotolerans strain EG19 
653 |a e-pili 
653 |a n/a 
653 |a photosynthetic symbionts 
653 |a Sphingomonadaceae 
653 |a photosynthesis genes 
653 |a niche partitioning 
653 |a photooxidative stress 
653 |a adhesion protein 
653 |a phylogenomics 
653 |a syntrophy 
653 |a large multiheme cytochrome 
653 |a green sulfur bacteria 
653 |a Rhodobacter capsulatus 
653 |a alkaliphilic bacteria 
653 |a gene transfer agent 
653 |a phylogeny of osmolyte biosynthesis 
653 |a evolution of anoxygenic photosynthesis 
653 |a OxyR 
653 |a biological soil crust 
653 |a photosynthetic reaction center proteins 
653 |a motility 
653 |a drylands 
653 |a euendolith 
653 |a glycine betaine biosynthesis 
653 |a hot springs 
653 |a massive blooms 
653 |a Irr 
653 |a pufM gene 
653 |a nitrogen fixing cyanobacteria 
653 |a anoxygenic phototrophic bacteria 
653 |a CAS assay 
653 |a microbial mats 
653 |a isc genes 
653 |a Rhodobacter sphaeroides 
653 |a osmotic adaptation 
653 |a iron-sulfur cluster 
653 |a ectoine biosynthesis 
653 |a metatranscriptomics 
653 |a aerobic anoxygenic phototrophic bacteria 
653 |a rhodopsin 
653 |a filamentous anoxygenic phototroph 
653 |a metagenomic binning 
653 |a bacteriochlorophyll a 
653 |a proteomics 
653 |a Alphaproteobacteria 
653 |a purple nonsulfur bacteria 
653 |a transcriptomics 
653 |a quorum sensing 
653 |a bacteriochlorophyll g 
653 |a Rhodovulum 
653 |a carbon fixation 
653 |a siderophore 
653 |a RegA 
653 |a genomes of photosynthetic bacteria 
653 |a metallophore 
653 |a bioerosion 
653 |a Dnr 
653 |a bacteriochlorophyll biosynthesis 
653 |a suf genes 
653 |a soda lake 
653 |a stress defense 
653 |a IscR 
653 |a Research and information: general / bicssc 
653 |a microbiome 
653 |a Heliorestis convoluta 
653 |a antisense promoters 
653 |a phylogeny 
653 |a heliobacteria 
653 |a Rhodobacteraceae 
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520 |a In situ metatranscriptomic and proteomic studies demonstrate the high metabolic flexibility of Chloroflexus aggregans in a hot spring microbial mat and show its adaptation to the changing conditions over day and night periods by a well-coordinated regulation of key metabolic processes for both phototrophic and chemotrophic growth. 
520 |a The application of genomic, transcriptomic, and proteomic analyses brings new dimensions to our understanding of the biology of phototrophic bacteria. Comparing gene sequences of photosynthetic reaction center proteins and a key enzyme of bacteriochlorophyll biosynthesis from more than 150 genomes demonstrates the ancient roots of phototrophic bacteria. The presence and phylogeny of biosynthetic pathways of the compatible solutes ectoine and glycine betaine define groups of marine and halophilic phototrophic bacteria. The wide range of ecological niches conquered during evolution is demonstrated by the adaptation of cyanobacterial genera Scytonema, Tolypothrix, and Nostoc to different temperature ranges and the adaptation of Heliorestis species to alkaline habitats. Differences between phototrophic purple bacteria from marine and freshwater habitats are reflected in the preference for sulfidic and non-sulfidic niches.  
520 |a Also, a high proportion of siderophore producers was found among isolates from freshwater sources opposed to those from salty habitats . The primary colonization of carbonate rocks by a group of novel endolithic cyanobacteria and the following successions were studied over 9 months. The genomic characterization of the aerobic Dinoroseobacter strain AAP5, the strictly anaerobic and syntrophic Prosthecochloris ethylica, and the strictly anaerobic Heliorestis convoluta is reported. Significant differences in relation to oxygen are reflected in oxygen production by some species, oxygen tolerance over a wide range of concentrations, and the use of oxygen for energy generation or a strictly anaerobic lifestyle. Relations to oxygen are highlighted in papers on photooxidative stress, regulation of iron-sulfur cluster formation, and interactions of redox regulators.