Reciprocal effect of temperature and dietary lipids on metabolic performance and gut microbiota of Yellowtail kingfish (
            <i>Seriola lalandi</i>
            ) juveniles

Larios‐Soriano, Ernesto; Re‐Araujo, Ana Denise; Gómez‐Gil, Bruno; Tovar‐Ramírez, Dariel; Trejo-Escamilla, Idaly; Galavíz, Mario A.

doi:10.1111/are.15480

Cited by 4 publications

(4 citation statements)

References 58 publications

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“…Genera within the Cyanobacteria, in particular ASVs identified as Synechococcus CC9902 and Cyanobium PCC-6307 , were associated with increased pH, decreased salinity, and smaller catchment areas with decreased saltmarsh and mangrove areas. These genera are important primary producers in open ocean environments and have been frequently associated with blooms in coastal areas, particularly after storms or large freshwater inputs (Xia et al 2015 , Li et al 2019 ). They have also been associated with other abundant taxa reported here, including Candidatus Actinomarina , HIMB11 , Winogradskyella , and NS5 marine group, which were also found associated with similar environmental variables (Li et al 2019 , Fortin et al 2022 ).…”

Section: Discussionmentioning

confidence: 99%

“…These genera are important primary producers in open ocean environments and have been frequently associated with blooms in coastal areas, particularly after storms or large freshwater inputs (Xia et al 2015 , Li et al 2019 ). They have also been associated with other abundant taxa reported here, including Candidatus Actinomarina , HIMB11 , Winogradskyella , and NS5 marine group, which were also found associated with similar environmental variables (Li et al 2019 , Fortin et al 2022 ).…”

Section: Discussionmentioning

confidence: 99%

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Spatial patterns in host-associated and free-living bacterial communities across six temperate estuaries

Suzzi

Stat

Gaston

et al. 2023

FEMS Microbiology Ecology

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A major goal of microbial ecology is to establish the importance of spatial and environmental factors in driving community variation. Their relative importance likely varies across spatial scales, but focus has primarily been on free-living communities within well-connected aquatic environments rather than less connected island-like habitats such as estuaries, and key host-associated communities within these systems. Here we sampled both free-living (seawater and sediment) and host-associated (estuarine fish hindgut microbiome, Pelates sexlineatus) communities across six temperate Australian estuaries spanning ∼500 km. We find that spatial and environmental factors have different influences on these communities, with seawater demonstrating strong distance-decay relationships (R = -0.69) and significant associations with a range of environmental variables. Distance-decay relationships were weak for sediment communities but became stronger over smaller spatial scales (within estuaries, R = -0.5) potentially reflecting environmental filtering across biogeochemical gradients or stochastic processes within estuary sediments. Finally, P. sexlineatus hindgut microbiome communities displayed weak distance-decay relationships (R = -0.36) and limited variation explained by environmental variables, indicating the significance of host-related factors in driving community variation. Our findings provide important ecological insights into the spatial distributions and driving forces of both free-living and host-associated bacterial patterns across temperate estuarine systems.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Spatial patterns in host-associated and free-living bacterial communities across six temperate estuaries

Suzzi

Stat

Gaston

et al. 2023

FEMS Microbiology Ecology

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“…Diet is one of the most important factors influencing the diversity and composition of the bacterial community of the fish gut [ 42 , 43 , 44 , 45 , 46 , 47 ]. In this study, we compared the bacterial communities of the guts of fish fed formulated feed (FF) or frozen fish pieces (FFPs).…”

Section: Discussionmentioning

confidence: 99%

Feed Regime Slightly Modifies the Bacterial but Not the Fungal Communities in the Intestinal Mucosal Microbiota of Cobia Fish (Rachycentron canadum)

Reinoso,

Gutiérrez,

Reyes-Jara

et al. 2023

Microorganisms

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The bacterial community of the intestinal microbiota influences many host functions, and similar effects have been recently reported for the fungal community (mycobiota). Cobia is a tropical fish that has been studied for its potential in marine aquaculture. However, the study of its bacterial community has been underreported and the mycobiota has not been investigated. We analyzed the gut bacterial and fungal profile present in the intestinal mucosa of reared adult cobias fed two diets (frozen fish pieces (FFPs) and formulated feed (FF)) for 4 months by sequencing the 16S rRNA (V3-V4) and internal transcribed spacer-2 (ITS2) regions using Illumina NovaSeq 6000. No significant differences in the alpha diversity of the bacterial community were observed, which was dominated by the phyla Proteobacteria (~96%) and Firmicutes (~1%). Cobia fed FF showed higher abundance of 10 genera, mainly UCG-002 (Family Oscillospiraceae) and Faecalibacterium, compared to cobia fed FFPs, which showed higher abundance of 7 genera, mainly Methylobacterium-Methylorubrum and Cutibacterium. The inferred bacterial functions were related to metabolism, environmental information processing and cellular processes; and no differences were found between diets. In mycobiota, no differences were observed in the diversity and composition of cobia fed the two diets. The mycobiota was dominated by the phyla Ascomycota (~88%) and Basidiomycota (~11%). This is the first study to describe the gut bacterial and fungal communities in cobia reared under captive conditions and fed on different diets and to identify the genus Ascobulus as a new member of the core fish mycobiota.

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“…The intestine of the bass is short and thick walled, so the digestion rate of the bass is much greater than other herbivorous or omnivorous fishes ( Hunt, 1960 ; Reifel and Travill, 1979 ; Day et al, 2014 ). Growing numbers of studies suggest that these species provide us an ideal model system to test our questions because fish gut microbiota is not only important for normal physiology of the host ( Larsen et al, 2014 ; Ghanbari et al, 2015 ; Liu et al, 2016 ; Wang et al, 2018 ; Liu Q. et al, 2021 ; Liu Y. et al, 2021 ) but is also temperature dependent ( Larios-Soriano et al, 2021 ; Liu et al, 2022 ). The both fish species share ecological similarities, and they both ranked among the 100 worst invasive alien species in the world ( Lowe et al, 2000 ).…”

Section: Introductionmentioning

confidence: 99%

Gut microbiota of two invasive fishes respond differently to temperature

Zhang

Yang

et al. 2023

Front. Microbiol.

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Temperature variation structures the composition and diversity of gut microbiomes in ectothermic animals, key regulators of host physiology, with potential benefit to host or lead to converse results (i.e., negative). So, the significance of either effect may largely depend on the length of time exposed to extreme temperatures and how rapidly the gut microbiota can be altered by change in temperature. However, the temporal effects of temperature on gut microbiota have rarely been clarified. To understand this issue, we exposed two juvenile fishes (Cyprinus carpio and Micropterus salmoides), which both ranked among the 100 worst invasive alien species in the world, to increased environmental temperature and sampled of the gut microbiota at multiple time points after exposure so as to determine when differences in these communities become detectable. Further, how temperature affects the composition and function of microbiota was examined by comparing predicted metagenomic profiles of gut microbiota between treatment groups at the final time point of the experiment. The gut microbiota of C. carpio was more plastic than those of M. salmoides. Specifically, communities of C. carpio were greatly altered by increased temperature within 1 week, while communities of M. salmoides exhibit no significant changes. Further, we identified 10 predicted bacterial functional pathways in C. carpio that were temperature-dependent, while none functional pathways in M. salmoides was found to be temperature-dependent. Thus, the gut microbiota of C. carpio was more sensitive to temperature changes and their functional pathways were significantly changed after temperature treatment. These results showed the gut microbiota of the two invasive fishes differ in response to temperature change, which may indicate that they differ in colonization modes. Broadly, we have confirmed that the increased short-term fluctuations in temperatures are always expected to alter the gut microbiota of ectothermic vertebrates when facing global climate change.

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Reciprocal effect of temperature and dietary lipids on metabolic performance and gut microbiota of Yellowtail kingfish ( Seriola lalandi ) juveniles

Cited by 4 publications

References 58 publications

Spatial patterns in host-associated and free-living bacterial communities across six temperate estuaries

Spatial patterns in host-associated and free-living bacterial communities across six temperate estuaries

Feed Regime Slightly Modifies the Bacterial but Not the Fungal Communities in the Intestinal Mucosal Microbiota of Cobia Fish (Rachycentron canadum)

Gut microbiota of two invasive fishes respond differently to temperature

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