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Noncommercial culture and drug-susceptibility testing methods for screening patients at risk for multidrug-resistant tuberculosis : policy statement
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ISBN: 9241501626 Year: 2011 Publisher: [Place of publication not identified] World Health Organization


Book
Noncommercial culture and drug-susceptibility testing methods for screening patients at risk for multidrug-resistant tuberculosis : policy statement
Author:
Year: 2011 Publisher: [Place of publication not identified] World Health Organization


Book
Corynebacterium glutamicum : biology and biotechnology
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ISBN: 3642298567 3642298575 1283911892 3642438946 Year: 2013 Publisher: Heidelberg ; New York : Springer,

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Corynebacterium glutamicum was discovered in Japan in 1956 as a natural glutamate producer. Its “microbial factory” qualities, such as its physiological plasticity and robust catalytic functionalities, have since facilitated the development of efficient production processes for amino acids, nucleotides and vitamins. This monograph illustrates how the information gleaned from complete genome sequencing allows the rational engineering of the entire cellular metabolism and how systems biology permits the further optimization of C. glutamicum as a biocatalyst. Aspects of gene regulation, metabolic pathways, sugar uptake, protein secretion, cell division and biorefinery applications highlight the enormous biotechnological and biorefinery potential.


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Risk Assessment of Listeria monocytogenes in Ready-to-eat Foods
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ISBN: 9240685928 Year: 2004 Publisher: Geneva : World Health Organization,

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Listeria monocytogenes is widely dispersed in the environment and foods and is capable of growing even at refrigeration temperatures. Foodborne listeriosis although relatively rare is a clinically serious disease with a high case-fatality rate that largely affects specific higher-risk segments of the population. Cases of listeriosis appear to be predominately associated with ready-to-eat products. FAO and WHO have undertaken a risk assessment to addresses the risk of listeriosis associated with these foods and specific risk management questions posed by the Codex Committee on Food Hygiene (CCF


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Bacillus thuringiensis biotechnology
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ISBN: 9400799500 9400730209 9786613702906 1280792515 9400730217 Year: 2012 Publisher: New York : Springer,

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Bacillus thuringiensis (Bt) has been used as a biopesticide in agriculture, forestry and mosquito control because of its advantages of specific toxicity against target insects, lack of polluting residues and safety to non-target organisms. The insecticidal properties of this bacterium are due to insecticidal proteins produced during sporulation. Despite these ecological benefits, the use of Bt biopesticides has lagged behind the synthetic chemicals. Genetic improvement of Bt natural strains, in particular Bt recombination, offers a promising means of improving efficacy and cost-effectiveness of Bt-based bioinsecticide products to develop new biotechnological applications. On the other hand, the different Bacillus species have important biotechnological applications; one of them is carried out by producing secondary metabolites, which are the study object of natural product chemistry. The amazing structural variability of these compounds has attracted the curiosity of chemists and the biological activities possessed by natural products have inspired the pharmaceutical industry to search for lead structures in microbial extracts. Screening of microbial extracts reveals the large structural diversity of natural compounds with broad biological activities, such as antimicrobial, antiviral, immunosuppressive, and antitumor activities that enable the bacterium to survive in its natural environment. These findings widen the target range of Bacillus spp., in special B. thuringiensis, besides insecticidal activity and help people to better understand its role in soil ecosystem.

Mycobacteria protocols
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ISBN: 0896034712 9786610836895 128083689X 1592595766 9780896034716 Year: 1998 Publisher: Totowa (N.J.) : Humana press,

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Laboratory experts present cutting-edge molecular biology techniques for studying the mycobacteria, a medically significant group of organisms responsible for both human and animal disease, including tuberculosis and leprosy. The methods range from basic culture techniques, cell fractionation, and nucleic acid purification to more advanced protocols for the introduction of cloned DNA into mycobacteria, the use of reporter genes, and the expression of foreign genes. There are also important techniques for mycobacteriophages, genome analysis, chemical and transposon mutagenesis, gene replacement, and analysis of gene expression, as well as such clinically useful techniques as antibiotic susceptibility testing, speciation, and RFLP analysis.


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The ecology of mycobacteria : impact on animal's and human's health
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ISBN: 1402094124 9786612924149 1402094132 1282924141 Year: 2009 Publisher: Dordrecht ; London : Springer,

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The Ecology of Mycobacteria principally emphasizes the ecological characteristics of the environmental mycobacteria. It is now well understood that the incidence and prevalence of potentially pathogenic mycobacteria is increasing in humans and animals. Further, proof that mycobacteria are normal inhabitants of drinking water distribution systems and household water systems, indicates that humans and animals are surrounded by mycobacteria and thus at risk. It is anticipated that the emphasis on ecology and routes of infection will result in a text of widespread use for clinicians and for research scientists in medicine, academia, and industry. In addition to identifying habitats and thereby sources of mycobacteria infecting humans and animals, the text identifies those mycobacterial characteristics that determine its range of habitats. Additionally, the text comments critically on the available methods to identify those protocols with values in mycobacterial research. In that manner, although there are no chapters specifically devoted to methods, superior methods for mycobacteria will be identified. A new text is needed for the mycobacteria because the prevalence of disease caused by the environmental potentially pathogenic mycobacteria is increasing. This increase is due to a number of factors. Host factors contribute to an increasing population of individuals more susceptible to mycobacterial infection. For example, the aging of the human population and the increasing frequency of immunosuppressed individuals as a result of infection (e.g. HIV), chemotherapy, and transplant-associated immunosuppression are all factors leading to increased susceptibility of infection with environment derived mycobacteria. Moreover, the role of mycobacteria as triggers in different autoimmune diseases is more and more evident. It is highly probable that peptidoglycans, lipoglycans, lipoproteins, heat shock proteins and some other structures from the mycobacterial cell wall, participate in different pathways of non-specific inflammatory reactions in humans, namely those with a specific genetic disposition. In such events mycobacteria in drinking water and food, even devitalized, have to be considered as a public health risk. Second, human-engineered systems such as drinking water distribution systems are creating a habitat for the selection and proliferation of the potentially pathogenic mycobacteria. In as much as drinking water brings together overlapping habitats of both mycobacteria and humans and animals, a review of mycobacterial ecology is timely. The ecology of mycobacteria helps to understand the circulation of mycobacteria into the respective disciplines such as epidemiology, epizootology, immunology, environmental ecology, animal husbandry and environment conservation.

Keywords

Ecology. --- Mycobacteria -- Ecology. --- Mycobacteria. --- Mycobacteria --- Actinomycetales Infections --- Mycobacteriaceae --- Earth Sciences --- Public Health --- Microbiology --- Biology --- Mycobacterium --- Ecology --- Environmental Microbiology --- Mycobacterium Infections --- Gram-Positive Asporogenous Rods, Regular --- Environment and Public Health --- Gram-Positive Bacterial Infections --- Biological Science Disciplines --- Natural Science Disciplines --- Actinomycetales --- Health Care --- Actinobacteria --- Bacterial Infections --- Gram-Positive Asporogenous Rods --- Disciplines and Occupations --- Bacterial Infections and Mycoses --- Gram-Positive Rods --- Gram-Positive Bacteria --- Bacteria --- Diseases --- Organisms --- Microbiology & Immunology --- Health & Biological Sciences --- Microbial ecology. --- Environmental microbiology --- Microorganisms --- Mycobacterial ecology --- Life sciences. --- Infectious diseases. --- Epidemiology. --- Veterinary medicine. --- Microbiology. --- Bacteriology. --- Life Sciences. --- Infectious Diseases. --- Microbial Ecology. --- Veterinary Medicine. --- Microbial ecology --- Emerging infectious diseases. --- Veterinary Medicine/Veterinary Science. --- Public health --- Emerging infections --- New infectious diseases --- Re-emerging infectious diseases --- Reemerging infectious diseases --- Communicable diseases --- Farriery --- Large animal medicine --- Large animal veterinary medicine --- Livestock medicine --- Veterinary science --- Medicine --- Animal health --- Animals --- Domestic animals --- Livestock --- Microbial biology --- Losses

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