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Background  Systematic studies on the development and adaptation of hindlimb muscles in anura amphibians are rare. Here, we integrated analysis of transcriptome and histomorphological data for the hindlimb thigh muscle of  Odorrana tormota  (concave-eared torrent frog) at different developmental stages, to uncover the developmental traits of hindlimb thigh muscle from  O. tormota  and its adaptability to different life history stages.    Results  The development of hindlimb thigh muscle from  O. tormota  has the following characteristics. Before metamorphosis, myogenous cells proliferate and differentiate into myotubes, and form 11 muscle groups at G41; Primary myofibers and secondary myofibers appeared during metamorphosis; 11 muscle groups differentiated continuously to form myofibers, accompanied by myofibers hypertrophy after metamorphosis; During the growth process of  O. tormota  from G42 to G46, there were differences between the sexes in the muscle groups that differentiate into muscle fibers, indicating that there was sexual dimorphism in the hindlimb thigh muscles of  O. tormota  at the metamorphosis stages. Some genes and pathways related to growth, development, and movement ability of  O. tormota  at different developmental stages were obtained. In addition, some pathways associated with adaptation to metamorphosis and hibernation also were enriched. Furthermore, integrated analysis of the number of myofibers and transcriptome data suggested that myofibers of specific muscle groups in the hindlimbs may be degraded through lysosome and ubiquitin pathways to transform into energy metabolism and other energy-related substances to meet the physiological needs of hibernation.    Conclusions  These results provide further understanding the hindlimb thigh muscle development pattern of frogs and their adaption to life history stages.    Supplementary Information  The online version contains supplementary material available at 10.1186/s12864-021-07677-0.

bmc genomics

Dynamic transcriptome and histomorphology analysis of developmental traits of hindlimb thigh muscle from Odorrana tormota and its adaptability to different life history stages