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Adamek, D.; Rzepkowska, Małgorzata; Panagiotopoulou, Hanna; Ostaszewska, Teresa; Fajkowska, Magdalena; Kamaszewski, Maciej; Kolman, R.

doi:10.4194/1303-2712-v17_5_11

Cited by 3 publications

(3 citation statements)

References 31 publications

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“…The present study showed differences in the diameters of red muscle fibers in different regions in the two species and a decrease in diameters of the red muscle fibers in the posterior region (caudal peduncle) which represents a muscle growth and development in the fish by the two processes; hyperplasia and hypertrophy (Adamek et al, 2017). The increase of the numbers of muscle fibers in the posterior region of the fish reflects the importance of this region in fish locomotion (Al-Badri, 1985;Mansour, 1998Mansour, , 2005.…”

Section: Discussionmentioning

confidence: 48%

“…The muscular tissue constitute up to 60-80 % of the fish body weight. The fish swim using a combination of paired, unpaired fins and undulations of the myotomal muscles (Johnston, 1981;Altringham and Ellerby, 1999;Adamek et al, 2017). Red muscle fibers usually constitute less than 10 % of the myotomal musculature.…”

Section: Discussionmentioning

confidence: 99%

“…The fish show variations in the proportions of the red muscle fibers which reflect the differences in the distribution of red muscle in the body of the fish (Love, 1980), in addition to the increase of the proportions of red muscle towards the posterior region of the fish which indicates an increase in the numbers of the fibers (hyperplasia) (Karahmet et al, 2014;Oda, 2015;Adamek et al, 2017). Also, the current results showed an increase in the proportions of the red muscle fibers with the increase of fish length in both species which represents the growth and development of the red muscle fibers, this increase lends to support the hypothesis that red muscle is associated with sustained speeds (Greer-Walker, 1970;Al-Badri, 1985;Mansour, 2005).…”

Section: Discussionmentioning

confidence: 99%

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Estimation of the gill respiratory surface area and some features of the red muscle fibers in two teleost species

Mansour

2021

MJMS

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The current study is a comparative analysis of the Gill Respiratory Surface Area (GRSA) and some features of the red muscle fibers including the proportions and diameters of the red muscle fibers in three body regions in two teleosts species; torpedo scad, Megalspis cordyla (L.) which belongs to the carangid and the red belly tilapia, Cotodon zillii (Gervaias, 1848) which belongs to cichlids. Fifty fishes (25 fishes for each species) were used in the current investigation. They range in length from 100 to 300 mm and their weight ranged between 66 and 305 gm. The results show that the M. cordyla have GRSA ranged between 78 and 100 mm2/gm whereas it ranged between 56 and 146 mm²/gm in C. zillii. The fish weight was the influential factor on the values of the relative GRSA (mm²/gm) while the total length of gill filaments was the influential factor on the values of the total GRSA (mm²) of the studied fishes which showed significant differences (p<0.05) between the studied species. The difference in the proportions of the red muscle fibers among the three body regions of both species showed a significant difference (P<0.05) between the total length of the fish and the proportions of the red muscle fibers which ranged between 8.16 and 12.80 % in M. cordyla whereas it was between 5.42 and 9.24 % in C. zillii. Also the results presented an increase in the proportions of the red muscle fibers towards the posterior region (R3) which were 8.80-12.80 % in M. cordyla while they were 6.24-9.24 % in C. zillii. The results revealed that the approximate diameters of the red muscle fibers varied between 13.70 and 47.85 μm in M. cordyla while they ranged between 17.10 and 44.50 μm in C .zillii but were not statistically significant differences (P>0.05) between the two species.

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Section: Discussionmentioning

confidence: 48%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Estimation of the gill respiratory surface area and some features of the red muscle fibers in two teleost species

Mansour

2021

MJMS

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Multiple Tissues Transcriptome of Zig-Zag Eel (Mastacembelus armatus) with Different Growth Rates

Yang,

Lu,

et al. 2024

Animals

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In order to explore the main regulatory genes and related pathways of growth traits, transcriptome sequencing was first performed on the brain, liver, and muscle tissues of 3-month-old M. armatus with different growth rates. By comparative transcriptome analysis of fast-growing and slow-growing groups of M. armatus, a total of 2887 DEGs were screened, of which 59 up-regulated genes and 105 down-regulated genes were detected in the brain, 146 up-regulated genes and 202 down-regulated genes were detected in the liver, and 529 up-regulated genes and 1846 down-regulated genes were detected in muscle, including insulin-like growth factor binding protein 1a (IGFBP1A), insulin-like growth factor binding protein 1b (IGFBP1B), myosin, light chain 1 (MYL1), and myoglobin (MB). Through Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, we identified a total of 288 significantly enriched GO entries and 68 significantly enriched KEGG pathways related to growth, such as skeletal muscle tissue development, insulin-like growth factor binding, and the mitotic cell cycle. These key genes and signaling pathways may play a key role in regulating the growth of M. armatus. Digging into the regulatory mechanisms of these key genes will provide a theoretical basis for further exploration of the molecular mechanisms related to the growth and development of M. armatus, and help to breed new varieties of M. armatus with rapid growth.

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Comparative Analysis of Intestinal Characteristics of Largemouth Bass (Micropterus salmoides) and Intestinal Flora with Different Growth Rates

Yao

et al. 2022

Fishes

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To explore the causes of different growth rates among juvenile populations of largemouth bass, in the present study, a batch of largemouth bass juveniles reared under the same conditions were divided into a fast-growing group and a slow-growing group. We used histological, enzymatic and molecular biology methods to analyze and determine their histomorphological changes, digestive enzyme activity and intestinal floral composition. The fast-growing group had a significantly (p ≤ 0.01) greater intestinal fold height and muscle thickness than the slow-growing group. Lipase activity was significantly (p ≤ 0.01) higher in the fast-growing group than in the slow-growing group. Intestinal microbial analysis showed that the relative abundance of Actinobacteria and Halomonas in the fast-growing group was higher than that in the slow-growing group. This research shows that the differentiation of growth rates in juvenile largemouth bass populations is closely related to intestinal fold status, lipase activity, and intestinal flora.

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Cited by 3 publications

References 31 publications

Estimation of the gill respiratory surface area and some features of the red muscle fibers in two teleost species

Estimation of the gill respiratory surface area and some features of the red muscle fibers in two teleost species

Multiple Tissues Transcriptome of Zig-Zag Eel (Mastacembelus armatus) with Different Growth Rates

Comparative Analysis of Intestinal Characteristics of Largemouth Bass (Micropterus salmoides) and Intestinal Flora with Different Growth Rates

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