Identification, Characterization and Functional Analysis of Fibroblast Growth Factors in Black Rockfish (Sebastes schlegelii)

Jin, Chuang; Yan, Kai; Wang, Mengya; Song, Weihao; Kong, Xiangfu; Zhang, Zhengrui

doi:10.3390/ijms24043626

Cited by 4 publications

(2 citation statements)

References 70 publications

(79 reference statements)

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“…The muscle growth patterns of S. schlegelii involve both hyperplasia and hypertrophy [36], with hypertrophy relying on the cell fusion of growth-specific stem cells to existing muscle fibers to enlarge the muscle fiber cross-sectional area [6]. We compared the proportion of muscle fibers with different cross-sectional areas between the SsMeox1 knockdown group and the control group.…”

Section: Discussionmentioning

confidence: 99%

Regulatory Role of Meox1 in Muscle Growth of Sebastes schlegelii

Song,

Liu,

Huang

et al. 2024

IJMS

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Meox1 is a critical transcription factor that plays a pivotal role in embryogenesis and muscle development. It has been established as a marker gene for growth-specific muscle stem cells in zebrafish. In this study, we identified the SsMeox1 gene in a large teleost fish, Sebastes schlegelii. Through in situ hybridization and histological analysis, we discovered that SsMeox1 can be employed as a specific marker of growth-specific muscle stem cells, which originate from the somite stage and are primarily situated in the external cell layer (ECL) and myosepta, with a minor population distributed among muscle fibers. The knockdown of SsMeox1 resulted in a significant increase in Ccnb1 expression, subsequently promoting cell cycle progression and potentially accelerating the depletion of the stem cell pool, which ultimately led to significant growth retardation. These findings suggest that SsMeox1 arrests the cell cycle of growth-specific muscle stem cells in the G2 phase by suppressing Ccnb1 expression, which is essential for maintaining the stability of the growth-specific muscle stem cell pool. Our study provides significant insights into the molecular mechanisms underlying the indeterminate growth of large teleosts.

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Section: Discussionmentioning

confidence: 99%

Regulatory Role of Meox1 in Muscle Growth of Sebastes schlegelii

Song,

Liu,

Huang

et al. 2024

IJMS

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“…Autumn Fish 1-3 were all adults with body lengths exceeding 170 mm. The extended movement of the three non-resident individuals during autumn might be attributed to their more abundant energy reserves and physiological adaptations to cope with decreasing temperatures [46].…”

Section: Potential Sources For Non-resident Individualsmentioning

confidence: 99%

Evaluation of the Residency of Black Rockfish (Sebastes schlegelii) in Artificial Reef Areas Based on Stable Carbon Isotopes

Yu,

Feng,

Zhao

et al. 2024

Sustainability

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The ecological ‘attraction’ and ‘production’ functions of reef areas have been the subject of ongoing debate requiring further clarification. The present study focused on the black rockfish (Sebastes schlegelii), an economically dominant species in reef areas of Dabuquan Bay. Comparisons of stable carbon (C) isotopes between the muscle and liver tissues of black rockfish were conducted to identify residency and potential sources of non-resident individuals in the coastal Yellow Sea, China. Subsequently, isoscape values, derived from C isotopes of zooplankton gathered from inshore and offshore areas surrounding the reef, were compared to determine potential sources of the non-resident black rockfish individuals. According to the results, (1) the isotopic values between the muscle and liver tissues of black rockfish remained consistently aligned across both reef and control areas but showcased significant seasonal variations, and (2) the residency ratios of individuals within the reef area exceeded 84% across all seasons, highlighting the prolonged stays of this species. The findings are consistent with previous studies on rockfish residency and could facilitate the formulation of strategies for local stock enhancement and management.

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