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McCarthy, Ian; Moksness, Erlend; Павлов, Д. А.

doi:10.1023/a:1009202710566

Cited by 48 publications

(5 citation statements)

References 26 publications

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Organisms' growth rates are important traits that can be influenced by environmental conditions of their habitat, such as temperature and availability of nutrients (Logan et al, 1976;Urabe et al, 1997;McCarthy et al, 1998). By estimating the growth rate of the organisms in an ecosystem, we can determine the efficiency of energy and nutrient element flow to higher trophic levels in a food web system (Cloern et al, 1995;Granados et al, 2017).

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confidence: 99%

Development of transcriptomics‐based growth rate indices in two model eukaryotes and relevance to metatranscriptomics datasets

Kong

Machida

2022

Molecular Ecology Resources

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Growth rate estimation is important to understand the flow of energy and nutrient elements in an ecosystem, but it has remained challenging, especially on microscopic organisms. In this study, we propose four growth rate indices that use mRNA abundance ratios between nuclear and mitochondrial genes: (1) total nuclear and mitochondrial mRNA ratio (Nuc:Mito‐TmRNA); (2) nuclear and mitochondrial ribosomal protein mRNA ratio (Nuc:Mito‐RPmRNA); (3) gene ontology (GO) terms and total mitochondrial mRNA ratios; and (4) nuclear and mitochondrial specific gene mRNA ratio. We examine these proposed ratios using RNA‐Seq datasets of Daphnia magna, and Saccharomyces cerevisiae retrieved from the NCBI Short Read Archive. The results showed that both Nuc:Mito‐TmRNA and Nuc:Mito‐RPmRNA ratio indices showed significant correlations with the growth rate for both species. A large number of GO terms mRNA ratios showed significant correlations with the growth rate of S. cerevisiae. Lastly, we identified mRNA ratios of several specific nuclear and mitochondrial gene pairs that showed significant correlations. We foresee future implications for the proposed mRNA ratios used in metatranscriptome analyses to estimate the growth rate of communities and species.

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confidence: 99%

Development of transcriptomics‐based growth rate indices in two model eukaryotes and relevance to metatranscriptomics datasets

Kong

Machida

2022

Molecular Ecology Resources

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“…The growth and dietary intake of juvenile Lophiosilurus alexandri and Salmo salar were also impacted by thermal modulation (Costa et al, 2016;Handeland et al, 2008). A parabolic relationship has been proposed for the temperature and growth parameters of juvenile common wolffish, Anarhichas lupus (McCarthy et al, 1998). The condition factor (K) is a mathematical indication of an animal's health and the effect of associated water quality attribute (Mozsár et al, 2015).…”

Section: Growth Performancementioning

confidence: 99%

Effect of temperature on the growth performance, haematological properties and histomorphology of gill, intestine and liver tissues in juvenile butter catfish Ompok bimaculatus

Islam

Afrose

Roy

et al. 2022

Aquaculture Fish & Fisheries

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A 90‐day long indoor aquarium trial was conducted to assess the consequence of temperature on the growth, blood chemistry and histology of gill, intestine and liver tissues of Ompok bimaculatus juveniles. Homogeneous juveniles were randomly stocked into four different treatments of 20, 35 30 and 25℃ (room temperature as control), and these replications were marked as T20, T30, T35 and T25, respectively. Juvenile fish were fed with commercial diets at 5% body weight three consecutive times a day. Fish in T30 showed significantly higher growth performances and a higher percentage of specific growth rate (SGR%) in comparison to the control group in T25 (p < 0.05). However, no significant (p > 0.05) changes in SGR% were reported between T30 and T35 groups. Haematological analyses showed significant (p < 0.05) decreases in haemoglobin (Hb) and white blood cell (WBC) in T20 and T35 compared to control T25. Significantly higher Hb and WBC were observed in T30 among treatments. No significant changes (p > 0.05) in red blood cells (RBC) were observed between T25 and T30, while T20 and T35 showed significantly lower RBC. Histological analyses revealed that the liver and gill tissues were well‐shaped in T30 compared to distinctive pathology in other treatments. Again, the apparent formation of intestinal villi height was highest observed in T30 in comparison to other groups. It is concluded that the highest growth performance and physiological development of butter catfish would be obtained at 30℃ rearing temperatures.

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“…Growth is fundamental to the life history of an organism and is primarily the result of the synthesis and retention of proteins, an energetically expensive process accounting for a significant proportion of an organism's total energy budget [9,[14][15][16]. Although much work has gone into examining protein synthesis in a wide range of marine organisms [3,7,[16][17][18][19], few studies have examined both protein synthesis and growth in the same animals (for example [7,18,[20][21][22][23][24]) or protein synthesis in ecologically similar species from widely differing latitudes [17,19]. Thus, the relationship between growth and protein synthesis and how it is affected by long-term environmental conditions are poorly understood.…”

Section: Introductionmentioning

confidence: 99%

Life in the freezer: protein metabolism in Antarctic fish

et al. 2022

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Whole-animal, in vivo protein metabolism rates have been reported in temperate and tropical, but not Antarctic fish. Growth in Antarctic species is generally slower than lower latitude species. Protein metabolism data for Antarctic invertebrates show low rates of protein synthesis and unusually high rates of protein degradation. Additionally, in Antarctic fish, increasing evidence suggests a lower frequency of successful folding of nascent proteins and reduced protein stability. This study reports the first whole-animal protein metabolism data for an Antarctic fish. Groups of Antarctic, Harpagifer antarcticus , and temperate, Lipophrys pholis , fish were acclimatized to a range of overlapping water temperatures and food consumption, whole-animal growth and protein metabolism measured. The rates of protein synthesis and growth in Antarctic, but not temperate fish, were relatively insensitive to temperature and were significantly lower in H. antarcticus at 3°C than in L. pholis . Protein degradation was independent of temperature in H. antarcticus and not significantly different to L. pholis at 3°C, while protein synthesis retention efficiency was significantly higher in L. pholis than H. antarcticus at 3°C. These results suggest Antarctic fish degrade a significantly larger proportion of synthesized protein than temperate fish, with fundamental energetic implications for growth at low temperatures.

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Untitled

Cited by 48 publications

References 26 publications

Development of transcriptomics‐based growth rate indices in two model eukaryotes and relevance to metatranscriptomics datasets

Development of transcriptomics‐based growth rate indices in two model eukaryotes and relevance to metatranscriptomics datasets

Effect of temperature on the growth performance, haematological properties and histomorphology of gill, intestine and liver tissues in juvenile butter catfish Ompok bimaculatus

Life in the freezer: protein metabolism in Antarctic fish

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