Genome-wide analysis of intermuscular bone development reveals changes of key genes expression and signaling pathways in blunt snout bream (Megalobrama amblycephala)
2021
Chen, Jing | Chen, Xiuli | Huang, Xin | Huang, Guanghua | Gao, Zexia | Wang, Weimin | Liu, Han
Intermuscular bone (IB) is a hard-boned spicule exist in lower teleost, which brings a lot of detrimental effects on palatability and economic value of blunt snout bream (Megalobrama amblycephala). Masson trichrome staining for ossific IB indicated that some osteoblasts appeared at the edge of the bone matrix and a few osteocytes are present in the center of the mineralized bone matrix. By comparing the orthologous gene families of fish with IBs and without IBs, we screened the key signaling pathways associated with IB formation. Furthermore, the transcriptomic data demonstrated the functional importance of these gene families. The candidate genes involved in chondrocyte development were highly expressed in stage 1 compared with stage 2 and stage 3, suggesting that the development process of IB might mainly involve in intramembranous ossification. Our research reveals the molecular mechanism of IBs formation, and provides molecular evidence for the further study on intermuscular boneless stains.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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