Advances in the Biology of Phototrophic Bacteria
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 d...
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Imhoff, Johannes F. edt Advances in the Biology of Phototrophic Bacteria Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute 2021 1 electronic resource (274 p.) text txt rdacontent computer c rdamedia online resource cr rdacarrier Open access Unrestricted online access star 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. 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. 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. English Research & information: general bicssc phylogeny photosynthetic reaction center proteins bacteriochlorophyll biosynthesis phototrophic purple bacteria evolution of anoxygenic photosynthesis iron-sulfur cluster isc genes suf genes antisense promoters OxyR IscR Irr anoxygenic phototrophic bacteria purple nonsulfur bacteria massive blooms pufM gene Rhodovulum phylogenomics bioerosion anoxygenic phototroph microbiome euendolith Rhodobacter capsulatus Rhodobacter sphaeroides photooxidative stress transcriptomics proteomics stress defense heliobacteria Heliorestis convoluta alkaliphilic bacteria soda lake bacteriochlorophyll g biological soil crust drylands niche partitioning nitrogen fixing cyanobacteria Alphaproteobacteria Rhodobacteraceae nitric oxide quorum sensing gene transfer agent motility Crp/Fnr Dnr RegA ChpT green sulfur bacteria syntrophy e-pili adhesion protein photosynthetic symbionts large multiheme cytochrome metagenomic binning genomes of photosynthetic bacteria glycine betaine biosynthesis ectoine biosynthesis osmotic adaptation phylogeny of osmolyte biosynthesis filamentous anoxygenic phototroph microbial mats hot springs metatranscriptomics energy metabolism carbon fixation aerobic anoxygenic phototrophic bacteria bacteriochlorophyll a photosynthesis genes rhodopsin Sphingomonadaceae aerobic anoxygenic phototrophs siderophore metallophore CAS assay Chromocurvus halotolerans strain EG19 3-0365-2269-7 3-0365-2270-0 Imhoff, Johannes F. oth |
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English |
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Imhoff, Johannes F. |
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Imhoff, Johannes F. |
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title |
Advances in the Biology of Phototrophic Bacteria |
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Advances in the Biology of Phototrophic Bacteria |
title_full |
Advances in the Biology of Phototrophic Bacteria |
title_fullStr |
Advances in the Biology of Phototrophic Bacteria |
title_full_unstemmed |
Advances in the Biology of Phototrophic Bacteria |
title_auth |
Advances in the Biology of Phototrophic Bacteria |
title_new |
Advances in the Biology of Phototrophic Bacteria |
title_sort |
advances in the biology of phototrophic bacteria |
publisher |
MDPI - Multidisciplinary Digital Publishing Institute |
publishDate |
2021 |
physical |
1 electronic resource (274 p.) |
isbn |
3-0365-2269-7 3-0365-2270-0 |
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Not Illustrated |
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AT imhoffjohannesf advancesinthebiologyofphototrophicbacteria |
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Advances in the Biology of Phototrophic Bacteria |
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