Analysis of repeated compound units in ORF94 of white spot syndrome virus isolated from Litopenaeus vannamei from outbreak and non-outbreak shrimp farms in Sonora, Mexico

Rodríguez-Anaya,Libia Z; Ibarra-Gámez,José Cuauhtémoc; Lares-Villa,Fernando; Casillas-Hernández,Ramón; Sánchez-Flores,Alejandro; Reyes González-Galaviz,José

dc.creator	Rodríguez-Anaya,Libia Z
dc.creator	Ibarra-Gámez,José Cuauhtémoc
dc.creator	Lares-Villa,Fernando
dc.creator	Casillas-Hernández,Ramón
dc.creator	Sánchez-Flores,Alejandro
dc.creator	Reyes González-Galaviz,José
dc.date	2016-09-01
dc.date.accessioned	2019-05-03T13:28:02Z
dc.date.available	2019-05-03T13:28:02Z
dc.identifier	https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-560X2016000400021
dc.identifier.uri	http://revistaschilenas.uchile.cl/handle/2250/88252
dc.description	White spot syndrome virus (WSSV) is the viral pathogen with the most negative impact on shrimp farming. In Sonora, Litopenaeus vannamei culture has decreased 50% during 2010-2012 due to WSSV outbreaks. The ORF94 has proven to be most useful for the analysis of WSSV variability. Several studies have suggested a correlation between its Repeat Units (RUs) and WSSV virulence as follows: the fewer RUs (<9) the higher mortality rate. In order to support this, we analyzed shrimps from eight farm periods and identified the WSSV-variety present in each one. In outbreaks, the presence of <8 RUs with a dominance of 3 RUs was notable in the last four years. Although it is still not clear how host-virus interactions and pond's environment affect the transition of the infection just from the presence of the virus in shrimps to an outbreak, these results are a step forward in understanding the pond status and ways of predicting the likelihood of a WSSV infection becoming an outbreak.
dc.format	text/html
dc.language	en
dc.publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
dc.relation	10.3856/vol44-issue4-fulltext-21
dc.rights	info:eu-repo/semantics/openAccess
dc.source	Latin american journal of aquatic research v.44 n.4 2016
dc.subject	Litopenaeus vannamei
dc.subject	shrimp farming
dc.subject	WSSV
dc.subject	ORF94
dc.subject	repeat unit
dc.subject	outbreak
dc.subject	Mexico
dc.title	Analysis of repeated compound units in ORF94 of white spot syndrome virus isolated from Litopenaeus vannamei from outbreak and non-outbreak shrimp farms in Sonora, Mexico

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Latin American Journal of Aquatic Research
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