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Hernández-Palomares MLE, Godoy-Lugo JA, Gómez-Jiménez S, Gámez-Alejo LA, Ortiz RM, Muñoz-Valle JF, Peregrino-Uriarte AB, Yepiz-Plascencia G, Rosas-Rodríguez JA, Soñanez-Organis JG. Regulation of lactate dehydrogenase in response to WSSV infection in the shrimp Litopenaeus vannamei. Fish Shellfish Immunol 2018; 74:401-409. [PMID: 29337249 DOI: 10.1016/j.fsi.2018.01.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 12/17/2017] [Accepted: 01/11/2018] [Indexed: 06/07/2023]
Abstract
Lactate dehydrogenase (LDH) is key for anaerobic glycolysis. LDH is induced by the hypoxia inducible factor -1 (HIF-1). HIF-1 induces genes involved in glucose metabolism and regulates cellular oxygen homeostasis. HIF-1 is formed by a regulatory α-subunit (HIF-1α) and a constitutive β-subunit (HIF-1β). The white spot syndrome virus (WSSV) induces anaerobic glycolysis in shrimp hemocytes, associated with lactate accumulation. Although infection and lactate production are associated, the LDH role in WSSV-infected shrimp has not been examined. In this work, the effects of HIF-1 silencing on the expression of two LDH subunits (LDHvan-1 and LDHvan-2) in shrimp infected with the WSSV were studied. HIF-1α transcripts increased in gills, hepatopancreas, and muscle after WSSV infection, while HIF-1β remained constitutively expressed. The expression for both LDH subunits increased in each tissue evaluated during the WSSV infection, translating into increased enzyme activity. Glucose concentration increased in each tissue evaluated, while lactate increased in gills and hepatopancreas, but not in muscle. Silencing of HIF-1α blocked the increase of LDH expression and enzyme activity, along with glucose (all tissues) and lactate (gills and hepatopancreas) concentrations produced by WSSV infection. These results demonstrate that HIF-1 up regulates the expression of LDH subunits during WSSV infection, and that this induction contributes to substrate metabolism in energetically active tissues of infected shrimp.
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Affiliation(s)
- M L E Hernández-Palomares
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Carretera a la Victoria KM. 0.6, Hermosillo, Sonora, C.P. 83304, Mexico
| | - J A Godoy-Lugo
- Universidad de Sonora, Departamento de Ciencias Químico Biológicas y Agropecuarias, Universidad de Sonora Unidad Regional Sur, Lázaro Cárdenas #100, Col. Francisco Villa, Apartado Postal 85390, Navojoa, Sonora, Mexico
| | - S Gómez-Jiménez
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Carretera a la Victoria KM. 0.6, Hermosillo, Sonora, C.P. 83304, Mexico
| | - L A Gámez-Alejo
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Carretera a la Victoria KM. 0.6, Hermosillo, Sonora, C.P. 83304, Mexico
| | - R M Ortiz
- School of Natural Sciences, University of California Merced, 5200 N Lake Road, Merced, CA, 95343, USA
| | - J F Muñoz-Valle
- Instituto de Investigación en Ciencias Biomédicas, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - A B Peregrino-Uriarte
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Carretera a la Victoria KM. 0.6, Hermosillo, Sonora, C.P. 83304, Mexico
| | - G Yepiz-Plascencia
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Carretera a la Victoria KM. 0.6, Hermosillo, Sonora, C.P. 83304, Mexico
| | - J A Rosas-Rodríguez
- Universidad de Sonora, Departamento de Ciencias Químico Biológicas y Agropecuarias, Universidad de Sonora Unidad Regional Sur, Lázaro Cárdenas #100, Col. Francisco Villa, Apartado Postal 85390, Navojoa, Sonora, Mexico
| | - J G Soñanez-Organis
- Universidad de Sonora, Departamento de Ciencias Químico Biológicas y Agropecuarias, Universidad de Sonora Unidad Regional Sur, Lázaro Cárdenas #100, Col. Francisco Villa, Apartado Postal 85390, Navojoa, Sonora, Mexico.
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