Anoxygenic Phototrophic Bacteria

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Anoxygenic Phototrophic Bacteria

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Author : Keizo Shimada
language : en
Publisher: Elsevier
Release Date : 2024-03-25

Anoxygenic Phototrophic Bacteria written by Keizo Shimada and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-25 with Science categories.

Very few books on photosynthetic bacteria have been published over the last 25 years and particularly not for young researchers and those working at the margins of interdisciplinary fields. This book addresses those issues.Anoxygenic Photosynthetic Bacteria is highly structured and contains detailed cross referencing of subjects. It covers important area including photosynthesis and photosynthetic bacteria; systematics and characteristic of each taxon; ecology and cultivation; photosynthetic electron transfer systems; metabolism; pigments and lipids; light-harvesting systems and reaction centers; photosynthetic genes and regulation of gene expression; origin and evolution of photosynthesis; and utilization of photosynthetic bacteria. Covers almost all scientific aspects of anoxygenic phototropic bacteria Includes cross-references with other chapters, helping readers easily understand the meaning and relationship of each chapter Provides comprehensive knowledge about anoxygenic phototropic bacteria to the readership

Anoxygenic Photosynthetic Bacteria

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Author : R.E. Blankenship
language : en
Publisher: Springer Science & Business Media
Release Date : 1995-08-31

Anoxygenic Photosynthetic Bacteria written by R.E. Blankenship and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08-31 with Science categories.

Anoxygenic Photosynthetic Bacteria is a comprehensive volume describing all aspects of non-oxygen-evolving photosynthetic bacteria. The 62 chapters are organized into themes of: Taxonomy, physiology and ecology; Molecular structure of pigments and cofactors; Membrane and cell wall structure: Antenna structure and function; Reaction center structure and electron/proton pathways; Cyclic electron transfer; Metabolic processes; Genetics; Regulation of gene expression, and applications. The chapters have all been written by leading experts and present in detail the current understanding of these versatile microorganisms. The book is intended for use by advanced undergraduate and graduate students and senior researchers in the areas of microbiology, genetics, biochemistry, biophysics and biotechnology.

The Purple Phototrophic Bacteria

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Author : C.N. Hunter
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-10-11

The Purple Phototrophic Bacteria written by C.N. Hunter and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-11 with Science categories.

Here is a comprehensive survey of all aspects of these fascinating bacteria, metabolically the most versatile organisms on Earth. It compiles 48 chapters written by leading experts, who highlight the huge progress made in studies of these bacteria since 1995.

Diversity Of Anoxygenic Phototrophic Bacteria In Alkaline Environments

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Author : Marie Asao
language : en
Publisher:
Release Date : 2008

Diversity Of Anoxygenic Phototrophic Bacteria In Alkaline Environments written by Marie Asao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Alkaliphilic anoxygenic phototrophic bacteria are known to reside in permanently alkaline environments such as soda lakes. However, diversity of these unique organisms has only been studied in the last 30 years. In this dissertation project, culture-based and/or molecular methods were used to further explore the diversity of anoxygenic phototrophic bacteria in two soda lakes, Soap Lake (Washington, USA) and Lake El Hamra (Wadi El Natroun, Egypt), and in an alkaline thermal pond of Paoha Island in Mono Lake (California, USA). From the culture-based study, new strains of alkaliphilic anoxygenic phototrophic bacteria were cultured. Specifically, pure cultures of purple sulfur bacteria of the families Chromatiaceae and Ectothiorhodospiraceae, purple nonsulfur bacteria, and heliobacteria were obtained. Notably, two strains of purple sulfur bacteria cultured in this study demonstrated photosynthesis-mediated arsenite [As(III)] oxidation in pure culture. This is the first evidence of As(III) be used as photosynthetic electron donor and indicates that anoxygenic phototrophic bacteria play a role in arsenic cycle in nature. Furthermore, as a result of physiological and phylogenetic characterization, some of the organisms cultured in this dissertation are the basis of new taxa. In addition, two strains of putative new anoxygenic phototrophic bacteria (heliobacterium and purple sulfur bacterium) were co-cultured with chemotrophic partners. The basic physiological and phylogenetic traits of these organisms were examined and are described herein. In the molecular analysis of anoxygenic phototrophic bacteria in Soap Lake, denaturing gradient gel electrophoresis and subsequent phylogenetic analysis revealed the diversity of purple phototrophic bacteria greater than that obtained by the culture-based study alone. The PCR-based analysis failed to detect heliobacteria, a disagreement with the culture-based study, in which a novel heliobacterium was obtained. Neither culture nor molecular analyses provided evidence for the existence of green sulfur bacteria or anoxygenic filamentous phototrophic bacteria (AFPB) in Soap Lake. The results of this dissertation showed that the diversity of purple sulfur bacteria and heliobacteria in the permanently alkaline environments was still greater than that we had previously known. By contrast, green sulfur bacteria and AFPB may be absent from soda lake environments.

Anoxygenic Phototrophic Bacteria From Extreme Environments

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Author : Michael T. Madigan
language : en
Publisher:
Release Date : 2003

Anoxygenic Phototrophic Bacteria From Extreme Environments written by Michael T. Madigan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Bacteria categories.

A diverse group of anoxygenic phototrophic bacteria thrive in habitats characterized by extremes of temperature, pH, or salinity. These 'extremophilic' anoxygenic phototrophs are optimally adapted to the conditions of their habitats and are ideal model systems for defining the physiochemical limits of photosynthesis. Extremophilic phototrophs have provided new insight into the evolution of photosynthesis and play ecological roles as primary producers in their unusual habitats.

New Organic Substrates For Anoxygenic Phototrophic Bacteria

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Author : Tran Nhu Hoa
language : en
Publisher:
Release Date : 2008

New Organic Substrates For Anoxygenic Phototrophic Bacteria written by Tran Nhu Hoa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Light Harvesting And Core Complexes Of Anoxygenic Phototrophic Bacteria

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Author : Hjalmar Petrus Permentier
language : en
Publisher:
Release Date : 2001

Light Harvesting And Core Complexes Of Anoxygenic Phototrophic Bacteria written by Hjalmar Petrus Permentier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

Abundance Diversity And Distribution Of Aerobic Anoxygenic Phototrophic Bacteria In The Delaware Estuary

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Author : Lisa A. Waidner
language : en
Publisher:
Release Date : 2007

Abundance Diversity And Distribution Of Aerobic Anoxygenic Phototrophic Bacteria In The Delaware Estuary written by Lisa A. Waidner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Aerobic bacteria categories.

To examine the potential ecological controls over subsets of the AAP bacterial community, I first examined metagenomic and PCR libraries for diversity of pufM, a photosynthesis reaction center gene common to all AAP bacteria. The metagenomic data revealed the presence of two distinct types of AAP bacteria in the Delaware River. Extensive phylogenetic analyses of light-harvesting and non-phototrophy genes suggested that the two types of AAP in the metagenomic data set occupy two distinct niches (freshwater and estuarine) in estuaries. To further examine the diversity of freshwater and estuarine types of AAP bacteria, I amplified the pufM genes from microbial consortia DNA harvested from the Delaware River. In two pufM libraries constructed from summer and winter samples, the most prevalent form of pufM was the freshwater ecotype, but the estuarine type of this gene was only a minor member of the AAP bacterial community. However, in a study of the actively expressed pufM genes in the river, the estuarine type was more important in the community, comprising 10% of the clones. The data from the metagenomic study and the PCR diversity study led to my hypothesis that two niches would be occupied by AAP bacteria containing these different types of genes.

Advances In The Biology Of Phototrophic Bacteria

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Author : Johannes F Imhoff
language : en
Publisher: Mdpi AG
Release Date : 2021-11-08

Advances In The Biology Of Phototrophic Bacteria written by Johannes F Imhoff and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-08 with Science categories.

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.

The Phototrophic Bacteria

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Author : John G. Ormerod
language : en
Publisher: Univ of California Press
Release Date : 1983-01-01

The Phototrophic Bacteria written by John G. Ormerod and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-01-01 with Science categories.