#Microbial biocontrol agents ppt how to#
#Microbial biocontrol agents ppt download#

The accomplishments and future prospects of efforts to produce transgenic arthropods have been discussed extensively ( 26- 31).Īnother approach for reducing disease transmission by arthropods is to genetically modify symbiotic bacteria of arthropod vectors to prevent the arthropods from transmitting human pathogens. Additional studies have focused on the identification of regulatory sequences (e.g., stage-specific, tissue-specific, and constitutive promoters ), vector population genetics ( 21- 23), and the development of mathematical models that can be used for predicting the behavior of genes once they are introduced into wild populations ( 24, 25). Major components of the transformation system include the identification of 1) potential DNA vectors (transposable elements or viral-transducing agents) for genome integration ( 2- 8) 2) selectable phenotypic marker genes, such as eye color mutants or various enzymes (e.g., ß-galactosidase, neomycin phosphotransferase, or organophosphate-degrading enzyme), as indicators of stable germ line transformation ( 9- 11) and 3) specific refractory genes that express the desired phenotype (i.e., a factor that would inhibit transmission of the pathogen) ( 12- 14).

One approach focuses on the use of transgenic methods, i.e., the insertion and expression of a gene derived from one organism in a second, heterologous organism.

#Microbial biocontrol agents ppt download#

(You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out today - for FREE.Alternative Approaches to Controlling Disease Transmission by ArthropodsĬoncerns related to the use of insecticides for vector control have led to alternative approaches for reducing disease transmission by arthropods.

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#Microbial biocontrol agents ppt how to#

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