User:U AOdewale: Difference between revisions

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==Higher Order Taxa==


Virus; ssRNA positive-strand viruses, no DNA stage; Astroviridae; Avastrovirus
==Description and Significance==
Astrovirus originated from ‘astron’, a Greek word for star because of the five-pointed or six-pointed side projection which can be detected by negative stained electron microscopy (EM). They were first described by Madeley & Cosgrove in 1975 as the causal for gastroenteritis in infants.
Astrovirus disease is known as the causal for gastroenteritis, it is usually mild but more serious cases have been discovered in poultry. Astrovirus is most commonly found in turkeys and can lead to mortality. In 1980, turkey astrovirus was first described and was linked with turkey poults in the UK that were suffering from diarrhea and increased mortality. They were discovered in the U.S. the same year. Although replication is only routinely detected in the intestines, experimentally infected poults show thymus and bursal atrophy and the virus can be isolated in other tissues.Turkey Astrovirus is also causal for acute diarrhea
==Genome structure==
Describe the size and content of the genome.  How many chromosomes?  Circular or linear?  Other interesting features?  What is known about its sequence?
==Cell structure and metabolism==
Interesting features of cell structure; how it gains energy; what important molecules it produces.
==Ecology==
Habitat; symbiosis; contributions to the environment.
==Pathology==
How does this organism cause disease?  Human, animal, plant hosts?  Virulence factors, as well as patient symptoms.
==Current Research==
Enter summarries of the most rescent research here--at least three required
==References==
[Sample reference] [http://ijs.sgmjournals.org/cgi/reprint/50/2/489 Takai, K., Sugai, A., Itoh, T., and Horikoshi, K. "''Palaeococcus ferrophilus'' gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney". ''International Journal of Systematic and Evolutionary Microbiology''. 2000. Volume 50. p. 489-500.]
Edited by student of [mailto:elilly@umassd.edu Emily Lilly] at University of Massachusetts Dartmouth.

Latest revision as of 08:03, 17 December 2008