Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream

A comprehensive understanding of how bacterial community abundance changes in fishes during their lifecycle and the role of the microbiota on health and production is still lacking. From this perspective, the egg bacterial communities of two commercially farmed species, the European seabass (<i&g...

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Autores principales:	Babak Najafpour, Patricia I. S. Pinto, Katerina A. Moutou, Adelino V. M. Canario, Deborah M. Power
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	microbiome broodstock water disinfection hatchery teleost eggs Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/f2bf8daf1cf24c8c9586e7671f5384cc
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spelling	oai:doaj.org-article:f2bf8daf1cf24c8c9586e7671f5384cc2021-11-25T18:24:47ZFactors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream10.3390/microorganisms91122752076-2607https://doaj.org/article/f2bf8daf1cf24c8c9586e7671f5384cc2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-2607/9/11/2275https://doaj.org/toc/2076-2607A comprehensive understanding of how bacterial community abundance changes in fishes during their lifecycle and the role of the microbiota on health and production is still lacking. From this perspective, the egg bacterial communities of two commercially farmed species, the European seabass (<i>Dicentrarchus labrax</i>) and the gilthead seabream (<i>Sparus aurata</i>), from different aquaculture sites were compared, and the potential effect of broodstock water microbiota and disinfectants on the egg microbiota was evaluated. Moreover, 16S ribosomal RNA gene sequencing was used to profile the bacterial communities of the eggs and broodstock water from three commercial hatcheries. Proteobacteria were the most common and dominant phyla across the samples (49.7% on average). <i>Vibrio</i> sp. was the most highly represented genus (7.1%), followed by <i>Glaciecola</i> (4.8%), <i>Pseudoalteromonas</i> (4.4%), and <i>Colwellia</i> (4.2%), in eggs and water across the sites. Routinely used iodine-based disinfectants slightly reduced the eggs’ bacterial load but did not significantly change their composition. Site, species, and type of sample (eggs or water) drove the microbial community structure and influenced microbiome functional profiles. The egg and seawater microbiome composition differed in abundance but shared similar functional profiles. The strong impact of site and species on egg bacterial communities indicates that disease management needs to be site-specific and highlights the need for species- and site-specific optimization of disinfection protocols.Babak NajafpourPatricia I. S. PintoKaterina A. MoutouAdelino V. M. CanarioDeborah M. PowerMDPI AGarticlemicrobiomebroodstock waterdisinfectionhatcheryteleost eggsBiology (General)QH301-705.5ENMicroorganisms, Vol 9, Iss 2275, p 2275 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microbiome broodstock water disinfection hatchery teleost eggs Biology (General) QH301-705.5
spellingShingle	microbiome broodstock water disinfection hatchery teleost eggs Biology (General) QH301-705.5 Babak Najafpour Patricia I. S. Pinto Katerina A. Moutou Adelino V. M. Canario Deborah M. Power Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
description	A comprehensive understanding of how bacterial community abundance changes in fishes during their lifecycle and the role of the microbiota on health and production is still lacking. From this perspective, the egg bacterial communities of two commercially farmed species, the European seabass (<i>Dicentrarchus labrax</i>) and the gilthead seabream (<i>Sparus aurata</i>), from different aquaculture sites were compared, and the potential effect of broodstock water microbiota and disinfectants on the egg microbiota was evaluated. Moreover, 16S ribosomal RNA gene sequencing was used to profile the bacterial communities of the eggs and broodstock water from three commercial hatcheries. Proteobacteria were the most common and dominant phyla across the samples (49.7% on average). <i>Vibrio</i> sp. was the most highly represented genus (7.1%), followed by <i>Glaciecola</i> (4.8%), <i>Pseudoalteromonas</i> (4.4%), and <i>Colwellia</i> (4.2%), in eggs and water across the sites. Routinely used iodine-based disinfectants slightly reduced the eggs’ bacterial load but did not significantly change their composition. Site, species, and type of sample (eggs or water) drove the microbial community structure and influenced microbiome functional profiles. The egg and seawater microbiome composition differed in abundance but shared similar functional profiles. The strong impact of site and species on egg bacterial communities indicates that disease management needs to be site-specific and highlights the need for species- and site-specific optimization of disinfection protocols.
format	article
author	Babak Najafpour Patricia I. S. Pinto Katerina A. Moutou Adelino V. M. Canario Deborah M. Power
author_facet	Babak Najafpour Patricia I. S. Pinto Katerina A. Moutou Adelino V. M. Canario Deborah M. Power
author_sort	Babak Najafpour
title	Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
title_short	Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
title_full	Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
title_fullStr	Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
title_full_unstemmed	Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream
title_sort	factors driving bacterial microbiota of eggs from commercial hatcheries of european seabass and gilthead seabream
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f2bf8daf1cf24c8c9586e7671f5384cc
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Factors Driving Bacterial Microbiota of Eggs from Commercial Hatcheries of European Seabass and Gilthead Seabream

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