Debaryomyces hansenii CBS 8339 promotes larval development in Seriola rivoliana
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Autor/a
Teles, Andressa
Alvarez-González, Carlos Alfonso
Llera-Herrera, Raúl
Salas-Leiva, Joan
Rodríguez-Jaramillo, María del Carmen
Tovar-Ramírez, Dariel
Fecha de publicación
2022-07-06ISBN
0044-8486
Resumen
The present study aimed to know the effect of the administration of Debaryomyces hansenii yeast on growth, development and skeletal deformities, through the quantification of molecular and morphophysiological indicators in longfin yellowtail larvae. Larvae from the yeast group were fed with the rotifers and Artemia metanaupli half enriched with D. hansenii (50% of live prey) and half enriched with Origreen® (50% of live prey) and were compared to control (100% Origreen®) from 5 to 30 days post-hatching (DPH). Each treatment had two methodological replicates. Studies on bone mineralization, skeletal deformities, intestinal histological analysis, digestive enzyme activity, differential gene expression (RT-qPCR) and transcriptome analysis (RNA-Seq) were performed in whole larvae. Results showed that larvae fed D. hansenii encapsulated within enriched live preys had higher survival and growth, higher intestinal mucin secretion, as well as higher activity of alkaline phosphatase, pepsin and α-amylase. The degree of bone mineralization in the cranial and caudal fin complex was higher in larvae fed D. hansenii and a lower incidence of deformities at the vertebral column was also observed. In general, the gene expression throughout the development fluctuated between the control group and the yeast treatment; however, at 30 DPH, a higher expression of the bone morphogenetic protein type 2 (bmp2), collagen type 1α1 (col1α1) and proliferating cell nuclear antigen (pcna) genes was detected in larvae fed with yeast. The transcriptomic analyses using RNA-Seq revealed that the main genes related to bone mineralization degree and digestive tract maturation, were overrepresented in the D. hansenii treatment, 1,25-dihydroxyvitamin D (3) 24-hydroxylase (cyp24), cytochrome P450 family 27 subfamily A (cyp27a), protein 5 related to the low-density lipoprotein receptor (lrp5), myocyte-specific enhancing factor 2C (mef2), enterokinase (entk), pepsin and alkaline phosphatase. Based on the results, S. rivoliana larvae supplemented with the yeast D. hansenii presented higher growth and survival, a higher degree of maturation of the digestive tract, a higher degree of bone mineralization and a reduction in skeletal deformities, for which the continuous use of yeast is recommended as a food supplement to larvae from 5 days post-hatching onwards.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
639 - Caza. Pesca. Piscicultura
Páginas
60
Publicado por
Elsevier
Publicado en
Aquaculture
Citación
Teles, Andressa, Carlos Alfonso Alvarez-González, Raúl Llera-Herrera, Enric Gisbert, Joan Salas-Leiva, María del Carmen Rodríguez-Jaramillo, and Dariel Tovar-Ramírez. 2022. "Debaryomyces Hansenii CBS 8339 Promotes Larval Development In Seriola Rivoliana". Aquaculture 560: 738587. doi:10.1016/j.aquaculture.2022.738587.
Número del acuerdo de la subvención
MICIU/Programa Estatal de I+D+I orientada a los retos de la sociedad/117RT0521/ES/Estrategias de desarrollo y mejora de la producción de larvas de peces en Iberoamerica/LARVAplus
Program
Aqüicultura
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