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    Marine microbiology : ecology and applications / Colin Munn ; with foreword by Farooq Azam.

    • Title:Marine microbiology : ecology and applications / Colin Munn ; with foreword by Farooq Azam.
    •    
    • Author/Creator:Munn, C. B. (Colin B.)
    • Published/Created:New York : Garland Science, ©2011.
    • Holdings

       
    • Library of Congress Subjects:Marine microbiology.
    • Medical Subjects: Marine Biology.
    • Edition:2nd ed.
    • Description:xvi, 364 pages : illustrations (some color), maps (chiefly color) ; 28 cm.
    • Summary:Overview: Marine Microbiology brings together microbial biology and ecology to create an integrated approach that addresses environmental management, human health, and economic concerns. The Second Edition takes into account many new discoveries in the field including the role of microbes in ocean processes and nutrient cycles, the importance of viruses, the beneficial role of marine microbes in biotechnology, biofuels, metagenomics and synthetic biology, and new research on the impact of climate change and ocean acidification. The first three sections review the main features of the marine environment and key aspects of marine microbial life; the second section examines the role of marine microorganisms in ecology; and the final section considers some of the applications of this knowledge in areas such as disease and biodegradation.
    • Notes:Includes bibliographical references and index.
    • ISBN:9780815365174 (alk. paper)
      0815365179 (alk. paper)
    • Contents:Machine generated contents note: ch. 1 Microbes in the Marine Environment
      Marine microbiology is one of the most exciting and important areas of modern science
      Marine microbiology encompasses all microscopic organisms and viruses
      Marine microbes are found in all three domains of cellular life
      Horizontal gene transfer confounds our understanding of evolution
      Viruses are noncellular entities with great importance in marine ecosystems
      Microbial processes shape the living world
      Marine microbes show great variation in size
      world's oceans and seas form an interconnected water system
      upper surface of the ocean is in constant motion owing to winds
      Deep-water circulation systems transport water between the ocean basins
      Seawater is a complex mixture of inorganic and organic compounds
      Light and temperature have important effects on microbial processes
      Marine microbes form a major component of the plankton
      Microbes, particles, and dissolved nutrients are not evenly distributed in seawater
      Microbes play a key role in the formation of sediments
      Microbes colonize surfaces through formation of biofilms
      Microbes in sea ice form an important part of the food chain in polar regions
      Microbial activity at hydrothermal vents provides an oasis of life in the deep sea
      Cold seeps also support diverse life
      Living organisms are the habitats of many microbes
      Conclusions
      References
      Further reading
      ch. 2 Methods in Marine Microbiology
      Sampling, General Experimental Procedures, And Remote Sensing
      aim of microbial ecology is the study of the diversity and activities of microbes in situ
      Measurement of specific cell constituents may be used as biomarkers of microbial activity
      Remote sensing and sampling permits analysis of microbial activities
      Microbiological sampling requires special techniques
      Mecocosm experiments attempt to simulate natural conditions
      Microelectrodes and biosensors are used to measure environmental changes
      Isotopes are used to study microbial transformations of compounds
      Direct Observation And Enumeration Of Microbes
      Light and electron microscopy are used to study morphology and structure of microbes
      Epifluorescence light microscopy enables enumeration of marine microbes
      Confocal laser scanning microscopy enables recognition of living microbes within their habitat
      Flow cytometry measures the number and size of particles
      Culture-Based Methods For Isolation And Identification Of Microbes
      Different microbes require specific culture media and conditions for growth
      Enrichment culture selects for microbes with specific growth requirements
      Phenotypic testing is used for identification and detailed characterization of many cultured bacteria
      Analysis of microbial components can be used for bacterial classification and identification
      Nucleic-Acid-Based Methods
      use of nucleic-acid based methods has had a major impact on the study of marine microbial diversity
      Sequencing of ribosomal RNA genes is the most widely used tool in studies of microbial diversity
      first step in all nucleic acid investigations involves the isolation of genomic DNA or RNA from the culture or community
      polymerase chain reaction (PCR)
      Genomic fingerprinting is used for detailed analysis of cultured microbes
      Determination of GC ratios and DNA-DNA hybridization is used in bacterial taxonomy
      DNA sequencing is a major tool in marine microbiology
      "Next-generation" technologies allow inexpensive high-throughput sequencing
      Sequence data are used for phylogenetic analysis
      Denaturing gradient gel electrophoresis (DGGE) and terminal restriction fragment length polymorphism (TRFLP) are widely used to assess composition of microbial communities
      Elucidating the full genome sequence of microbes has provided major insights into their functional roles
      Metagenomics is revolutionizing our understanding of marine microbial ecology
      Fluorescent hybridization (FISH) allows visualization and quantification of specific microbes
      Metatranscriptomics and metaproteomics reveal metabolic activities in the environment
      Microarrays enable assessment of gene activity in the environment
      Conclusions
      References
      Further reading
      ch. 3 Metabolic Diversity and Ecophysiology
      All cells need to obtain energy and conserve it in the compound ATP
      All cells need carbon as the major component of cellular material
      Phototrophy involves conversion of light energy to chemical energy
      Oxygenic photosynthesis involves two distinct but coupled photosystems
      Anaerobic anoxygenic photosynthesis uses only one type of reaction center
      Aerobic anoxygenic phototrophy is widespread in planktonic bacteria
      Some phototrophs use rhodopsins as light-harvesting pigments
      Chemolithotrophs use inorganic electron donors as a source of energy and reducing power
      Thiotrophic bacteria use sulfur compounds as electron donor
      Many chemolithotrophs use hydrogen as an electron donor
      Nitrification by Bacteria and Archaea is a major process in the marine nitrogen cycle
      Calvin-Benson cycle is the main method of carbon dioxide fixation in autotrophs
      Some Archaea and Bacteria use alternative pathways to fix CO2
      Fixation of nitrogen makes this essential element available for building cellular material in all life
      Many marine microbes obtain energy by the fermentation of organic compounds
      Aerobic and anaerobic respiration use external electron acceptors
      Reduction of nitrate and denitrification result in release of nitrogen and other gases
      Sulfate reduction is a major process in marine sediments
      Methanogenesis is a special type of metabolism carried out only by a group of Archaea
      Aerobic catabolism of methane and other C1 compounds is widespread in coastal and oceanic habitats
      Use of complex macromolecules requires the synthesis of extracellular enzymes
      Acquisition of iron is a major challenge for marine microbes
      growth of bacterial cells depends on availability of nutrients and environmental factors
      Bacteria adapt to starvation by a series of coordinated changes to cell metabolism
      Most marine microbes are adapted to an oligotrophic lifestyle and grow very slowly
      Some bacteria enter a "viable but nonculturable" state in the environment
      Nutrients are acquired via specialized transport mechanisms
      Growth efficiency of many marine bacteria is probably low
      Microbes use a variety of mechanisms to regulate cellular activities
      Some bacteria use motility in the quest for nutrients and optimal conditions
      Formation of biofilms is an important step in microbial colonization of surfaces
      Pili are important for bacterial attachment to surfaces and exchange of genetic information
      Antagonistic interactions between microbes occur on particles or surfaces
      Quorum sensing is an intercellular communication system for regulation of gene expression
      Most marine microbes grow at low temperatures
      Microbes growing in hydrothermal systems are adapted to very high temperatures
      Microbes that inhabit the deep ocean must withstand a very high hydrostatic pressure
      Microbes vary in their requirements for oxygen or tolerance of its presence
      Ultraviolet irradiation has lethal and mutagenic effects
      Microbes are protected from osmotic damage by various mechanisms
      Conclusions
      References
      Further reading
      ch. 4 Marine Bacteria
      Overview Of Diversity Of The Bacteria
      domain Bacteria contains about 80 phyla, many of which have no cultivated members
      There is no generally accepted concept for the definition of bacterial species
      Bacteria show a variety of cell forms and structure
      cell wall is an important feature of bacterial cells
      Many Bacteria produce a glycocalyx or capsule
      Phylogenetic studies of planktonic Bacteria reveal a small number of major clades
      Major Types Of Marine Bacteria, Grouped By Phenotype
      Several groups of bacteria carry out anoxygenic photosynthesis
      Nitrifying bacteria grow chemolithotrophically using reduced inorganic nitrogen compounds as electron donors
      wide range of Proteobacteria can grow chemolithotrophically using reduced sulfur compounds
      Aerobic methanotrophs and methylotrophs are widespread in coastal and oceanic habitats
      pseudomonads are a heterogeneous group of chemoorganotrophic, aerobic, rod-shaped Proteobacteria
      Free-living aerobic nitrogen-fixing bacteria are important in sediments
      Enterobacteriaceae is a large and well-defined family of Gammaproteobacteria
      Vibrio and related genera have worldwide distribution in coastal and ocean water and sediments
      Some members of the Vibrionaceae are bioluminescent
      Oceanospiralles are characterized by their ability to break down complex organic compounds
      Magnetotactic bacteria orient themselves in the Earth's magnetic field
      Bdellovibrio is a predator of other bacteria
      Budding and stalked Proteobacteria show asymmetric cell division
      Sulfur- and sulfate-reducing bacteria have a major role in the sulfur cycle
      Cyanobacteria carry out oxygenic photosynthesis
      Many marine Cyanobacteria carry out nitrogen fixation
      genera Prochlorococcus and Synechococcus dominate the picoplankton in large areas of the Earth's oceans
      Cyanobacteria are important in the formation of microbial mats in shallow water
      Firmicutes are a major branch of Gram-positive Bacteria
      Epulopiscium fishelsoni and related species are giant bacteria with a unique "viviparous" lifestyle
      Actinobacteria is a large phylum including the mycobacteria and actinomycetes
      Contents note continued: Cytophaga-Flavobacterium-Bacteroides group is morphologically and metabolically diverse
      Planctomycetes are a group with cells that show some similarities to eukaryotes
      Verrucomicrobia is a poorly characterized phylum of Bacteria
      spirochetes are Gram-negative, tightly coiled, flexuous bacteria distinguished by very active motility
      Aquifex and Thermotoga are hyperthermophiles
      Conclusions
      References
      Further reading
      ch. 5 Marine Archaea
      Several aspects of cell structure and function distinguish the Archaea from the Bacteria
      Euryarcheaota and Crenarchaeota form the major branches of the Archaea
      Many members of the Euryarchaeota produce methane
      Archaea in deep sediments can carry out anaerobic oxidation of methane coupled to sulfate reduction
      Thermococcus and Pyrococcus are hyperthermophiles found at hydrothermal vents
      Archaeoglobus and Ferroglobus are hyperthermophilic sulfate-reducers and iron-oxidizers
      Some Euryarchaeota exist in hypersaline environments
      Nanoarchaeum is an obligate parasite of another archaeon, Igniococcus
      Crenarchaeota include hyperthermophiles and psychrophiles
      Hyperthermophilic Crenarchaeota belong to the order Desulfurococcales
      psychrophilic marine Crenarchaeota are major members of the plankton
      Conclusions
      References
      Further reading
      ch. 6 Marine Eukaryotic Microbes
      term "protist" is used to describe an extremely diverse collection of unicellular eukaryotic microbes
      Systems for the classification of eukaryotic microbes are still developing
      Many protists possess flagella
      euglenids may be phototrophic, heterotrophic, or mixotrophic
      bicosoecids are a group of highly active bacterivorous flagellates
      choanoflagellates have a unique feeding mechanism
      Dinoflagellates have critical roles in marine systems
      Dinoflagellates undertake diurnal vertical migration
      Some dinoflagellates exhibit bioluminescence
      ciliates are voracious grazers of other protists and bacteria
      haptophytes (prymnesiophytes) are major components of ocean phytoplankton
      Diatoms are extremely diverse and abundant primary producers in the oceans
      Diatoms and their products
      -past and present
      -have many applications
      Protists in the picoplankton size range are extremely widespread and diverse
      Raphidophytes are stramenopiles which may cause harmful blooms
      Thraustochytrids and labyrinthulids play an important role in breakdown and absorption of organic matter
      Amoebozoa may be important grazers of bacteria associated with particles
      Radiolarians and foraminifera have highly diverse morphologies with mineral shells
      Marine fungi are especially important in decomposition of complex materials in coastal habitats
      Conclusions
      References
      Further reading
      ch. 7 Marine Viruses
      Viruses are extremely diverse in structure and genetic composition
      Viruses are the most abundant biological entities in seawater
      Phages are viruses that infect bacterial and archaeal cells
      life cycle of phages shows a number of distinct stages
      Lysogeny occurs when the phage genome is integrated into the host genome
      Large DNA viruses are important pathogens of planktonic protists
      Photosynthetic protists are also infected by RNA viruses
      role of viruses as pathogens of heterotrophic protists remains unclear
      Loss of infectivity of viruses arises from irreparable damage to the nucleic acid or protein capsid
      Measurement of virus production rates is important for assessing the role of virus-induced mortality
      Viral mortality "lubricates" the biological pump
      Viral mortality plays a major role in structuring diversity of microbial communities
      Marine viruses show enormous genetic diversity
      Viromes are reservoirs of genetic diversity and exchange
      Conclusions
      References
      Further reading
      ch. 8 Microbes in Ocean Processes
      -Carbon Cycling
      Development of the microbial loop concept transformed our understanding of ocean processes
      fate of carbon dominates consideration of the microbial ecology of the oceans
      Marine phytoplankton are responsible for about half of the global CO2 fixation
      As well as light, photosynthetic activity depends on the availability of nutrients
      importance of various components of the microbial loop varies according to circumstances
      microbial loop results in retention of dissolved nutrients
      Ingestion of bacteria by protists plays a key role in the microbial loop
      "viral shunt" catalyzes nutrient regeneration in the upper ocean
      Eutrophication of coastal waters affects microbial activity
      Conclusions
      References
      Further reading
      ch. 9 Microbes in Ocean Processes
      -Nitrogen, Sulfur, Iron, and Phosphorus Cycling
      Nutrient Limitation
      Key elements may act as limiting nutrients for different groups of microbes
      Productivity of surface waters shows marked geographical variations
      Ocean microbes require iron
      Nitrogen Cycle
      Major shifts in our understanding of the marine nitrogen cycle are in progress
      New nitrogen-fixers have been discovered recently
      Fixed nitrogen is returned to the inorganic pool by ammonification and nitrification
      Denitrification and anammox reactions return nitrogen to its elemental form
      Microbial processes in sediments are a major contributor to nitrogen cycling
      Sulfur Cycle
      oceans contain large quantities of sulphur
      -an essential element for life
      Metabolism of organic sulfur compounds is especially important in surface waters
      fraction of DMSP production leads to release of the gas dimethyl sulfide (DMS)
      Microbial sulfate reduction and sulfide oxidation occur in sediments, vents, and seeps
      Phosphorus Cycle
      Phosphorus is often a limiting or colimiting nutrient
      Marine microbes are adapted to low and variable levels of phosphorus
      Conclusions
      References
      Further reading
      ch. 10 Symbiotic Associations
      Zooxanthellae and other photosynthetic endosymbionts are vital for the nutrition of many marine animals
      Coral bleaching occurs due to the breakdown of the symbiosis between zooxanthellae and their host
      Scleractinian corals are multipartner symbiotic systems (holobionts)
      Photosynthetic zooxanthellae boost the growth of giant clams in nutrient-poor waters
      Worms and clams at hydrothermal vents obtain nutrition from chemosynthetic bacterial endosymbionts
      Chemosynthetic symbionts are widely distributed in marine invertebrates
      Animals colonizing whale falls depend on autotrophic and heterotrophic symbionts
      Some hydrothermal vent animals have dense populations of bacteria on their surface
      Some fish and invertebrates use bacteria to make light
      bobtail squid uses bacterial bioluminescence for camouflage
      Endosymbionts of bryozoans produce compounds that protect the host from predation
      Sponges contain dense communities of specific microbes
      Some protists with endosymbionts can switch from heterotrophic to phototrophic metabolism
      Viruses may help a sea slug to use "stolen" chloroplasts for photosynthesis
      Conclusions
      References
      Further reading
      ch. 11 Microbial Diseases of Marine Organisms
      Diseases Of Invertebrates
      Diseases of invertebrates have major ecological and economic impact
      Infectious diseases of corals have emerged as a major threat to their survival
      fungus Aspergillus sydowii caused a mass mortality of sea fans in the Caribbean Sea
      Black band disease of corals is a long-established disease of corals worldwide
      White plague and white pox are major diseases affecting Caribbean reefs
      Extensive tissue necrosis of corals may involve bacteria and protistan parasites
      role of viruses in coral diseases is unclear
      Sponge disease is a poorly investigated global phenomenon
      Vibrios are a major cause of important diseases of cultured mollusks
      wide range of other bacteria can cause infections in bivalve mollusks
      Virus infections are a major problem in oyster culture
      Bacterial and viral diseases are major problems in aquaculture of crustaceans
      Expansion of intensive prawn culture has been accompanied by a dramatic spread in viral diseases
      Bacteria can cause epizootics with high mortalities in crustaceans
      Parasitic dinoflagellates are major pathogens of crustaceans
      Diseases Of Vertebrates
      Microbial diseases of fish cause major losses in aquaculture, but effects on natural populations are harder to determine
      importance of fish diseases in aquaculture has led to the development of specialized branches of veterinary science and diagnostic microbiology
      Bacteria produce infections in fish using a range of pathogenic mechanisms
      Vibrios are responsible for some of the main infections of marine fish
      Pasteurellosis is a major disease in warm-water marine fish
      Aeromonas salmonicida has a broad geographic range affecting fish in fresh and marine waters
      Marine flexibacteriosis is caused by an opportunist pathogen of low virulence
      Piscirickettsia and Francisella are intracellular proteobacteria causing economically important diseases in salmon and cod
      Intracellular Gram-positive bacteria cause chronic infections of fish
      Several Gram-positive cocci cause diseases affecting the central nervous system of fish
      Viruses cause numerous diseases of marine fish
      Infectious salmon anemia virus is one of the most important pathogens in salmon culture
      Viral hemorrhagic septicemia virus infects many species of wild fish
      Lymphocystis virus causes a highly contagious chronic skin infection of fish
      Contents note continued: Birnaviruses appear to be widespread in marine fish and invertebrates
      Viral nervous necrosis is an emerging disease with major impact
      Protists can cause disease in fish via infections, toxins, and direct physical effects
      Dinoflagellate and diatom toxins can affect marine mammals
      Mass mortalities in the late twentieth century prompted the study of viral diseases of marine mammals
      Viruses from nine different families have been linked to diseases of marine mammals
      Several species of bacteria and fungi infect marine mammals
      Sea turtles are affected by a virus promoting growth of tumors
      Diseases Of Seaweeds And Seagrasses
      Fungi, bacteria, and protists cause ecologically and economically important diseases of seaweeds and seagrasses
      Many species of algae contain virus-like particles
      Conclusions
      References
      Further reading
      ch. 12 Marine Microbes as Agents of Human Disease
      Pathogenic vibrios are common in marine and estuarine environments
      Cholera is a major human disease with a reservoir in coastal environments
      Vibrio cholerae produces disease in humans owing to production of a toxin and other pathogenic factors
      Control of cholera remains a major world health problem
      Mobile genetic elements play a major role in the virulence of Vibrio cholerae
      Non-O1 and non-O139 serotypes of Vibrio cholerae are widely distributed in coastal and estuarine waters
      Vibrio vulnificus causes serious illness associated with seafood
      Distribution of Vibrio vulnificus in the marine environment is affected by temperature and salinity
      Vibrio vulnificus and other marine vibrios can cause wound infections
      Seafood-borne infection by Vibrio parahaemolyticus is common throughout the world
      Scombroid fish poisoning is a result of bacterial enzymic activity
      Botulism is a rare lethal intoxication from seafood
      Fugu poisoning is caused by a neurotoxin of probable bacterial origin
      Some diseases of marine mammals and fish can be transmitted to humans
      Toxic dinoflagellates and diatoms pose serious threats to human health
      Paralytic shellfish poisoning is caused by saxitoxins produced by dinoflagellates
      Management of paralytic shellfish poisoning depends on assaying toxins in shellfish
      Brevetoxin can cause illness via ingestion or inhalation during red tides
      Diarrhetic shellfish poisoning and azaspiracid poisoning result in gastrointestinal symptoms
      Amnesic shellfish poisoning is caused by toxic diatoms
      Ciguatera fish poisoning has a major impact on the health of tropical islanders
      Dinoflagellates and diatoms probably produce toxins as antipredator defense mechanisms
      incidence of harmful algal blooms and toxin-associated diseases is increasing owing to the interaction of many complex factors
      Coastal waters must be regularly monitored to assess the development of harmful algal blooms
      Conclusions
      References
      Further reading
      ch. 13 Microbial Aspects of Marine Biofouling, Biodeterioration, and Pollution
      Biofouling And Biodeterioration
      Microbial biofilms are often the first phase in biofouling
      Microbially induced corrosion occurs as a result of the activities of microorganisms within biofilms on metals, alloys and composite materials
      Microbes cause biodeterioration of marine wooden structures and timber
      Microbial growth and metabolism are the major cause of spoilage of seafood products
      Processing, packaging, and inhibitors of spoilage are used to extend shelf-life
      Some seafood products are produced by deliberate manipulation of microbial activities
      Microbial Aspects Of Marine Pollution By Sewage
      Coastal pollution by wastewater is a significant source of human disease
      range of human viruses are present in seawater contaminated by sewage
      Fecal indicator bacteria have been used for many years to test public health risks in marine water
      Escherichia coli and coliforms are unreliable indicators of human fecal pollution of the sea
      fecal streptococci or enterococci are more reliable indicators for monitoring marine water quality
      Molecular-based methods permit quicker analysis of indicator organisms and microbial source tracking
      variety of alternative indicator species have been investigated
      Different countries use different quality standards for marine waters
      Sewage pollution of water in which shellfish are harvested for human consumption poses a serious health hazard
      Many countries have microbiological standards for the classification of waters in which shellfish are cultivated
      Direct testing for pathogens in shellfish is possible using molecular techniques
      Oil And Other Chemical Pollution
      Oil pollution of the marine environment is a major problem
      range of microbes are responsible for biodegradation of oil at sea
      fate of oil depends on a combination of physical and biological processes
      Biodegradation is enhanced by addition of emulsifiers
      Addition of nutrients is necessary to increase the rate of oil biodegradation
      Bioremediation has been used to lessen the impact of oil spills on vulnerable coasts
      Microbes are important in the distribution of persistent organic pollutants
      Bacteria are effective in the removal of heavy metals from contaminated sediments
      Microbial systems can be used for monitoring the environment for toxic chemicals
      Mobilization of mercury by bacterial metabolism leads to accumulation of toxic mehylmercury
      Conclusions
      References
      Further reading
      ch. 14 Marine Microbes and Biotechnology
      Enzymes from marine microbes have many applications
      DNA polymerases from hydrothermal vent organisms are widely used in molecular biology
      Metagenomics and bioinformatics lead to new biotechnological developments
      Polymers from marine bacteria are finding increasing applications
      Microalgae are promising new sources of biofuels
      Marine microbes are a rich source of biomedical products
      Bioactive compounds from marine invertebrates may be produced by microbial symbionts
      New antimicrobial compounds may be discovered through study of complex microbial communities
      Marine microbes are the source of a range of health-promoting products
      New approaches to antifouling have been discovered through study of microbial colonization of surfaces
      Marine microbes are a rich source for biomimetics, nanotechnology, and bioelectronics
      Microbial biotechnology has many applications in aquaculture
      Most bacterial pathogens can be killed or inhibited by antimicrobial agents
      Resistance to antimicrobial agents is a major problem in aquaculture
      Vaccination of finfish is widely used in aquaculture
      Recombinant DNA technology is used to produce vaccines for diseases caused by viruses and some bacteria
      DNA vaccination or genetic immunization depends on expression of a sequence encoding the protective antigen
      Probiotics, prebiotics, and immunostimulants are widely used in marine aquaculture
      Conclusions
      References
      Further reading
      ch. 15 Concluding Remarks.
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