Muscle fiber characteristics and postmortem quality of longissimus thoracis, psoas major and semitendinosus from Chinese Simmental bulls

Lang, Yumiao; Zhang, Songshan; Xie, Peng; Yang, Xiaoxi; Sun, Baozhong; Yang, Hongru

doi:10.1002/fsn3.1898

Cited by 19 publications

(11 citation statements)

References 56 publications

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“…First, according to the observed muscle fiber characteristics, we selected PM and BF as representatives of type I muscle fibers (oxidative type) and type II muscle fibers (glycolytic type), respectively. Similar to previous reports, PM was characterized as the slow oxidative fiber type (type I), as found in pork [ 27 , 28 ], beef [ 29 ] and goat muscles [ 30 ], whereas BF showed higher respective percentages of type II fibers (fast-twitch fibers) [ 4 , 13 , 31 ]. Generally, the diameter of type I muscle fibers is thinner than that of type II muscle fibers [ 32 ], and our data were consistent with this pattern.…”

Section: Discussionsupporting

confidence: 86%

Comparative Transcriptome Analysis of Slow-Twitch and Fast-Twitch Muscles in Dezhou Donkeys

Shi

et al. 2022

Genes

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The skeletal muscle fiber profile is closely related to livestock meat quality. However, the molecular mechanisms determining muscle fiber types in donkeys are not completely understood. In this study, we selected the psoas major muscle (PM; mainly composed of oxidative-type muscle fibers) and biceps femoris muscle (BF; mainly composed of glycolytic-type muscle fibers) and systematically compared their mRNA and microRNA transcriptomes via RNA-seq. We identified a total of 2881 differentially expressed genes (DEGs) and 21 known differentially expressed miRNAs (DEmiRs). Furthermore, functional enrichment analysis showed that the DEGs were mainly involved in energy metabolism and actin cytoskeleton regulation. The glycolysis/gluconeogenesis pathway (including up-regulated genes such as PKM, LDHA, PGK1 and ALDOA) was more highly enriched in BF, whereas the oxidative phosphorylation pathway and cardiac muscle contraction (including down-regulated genes such as LDHB, ATP2A2, myosin-7 (MYH7), TNNC1, TPM3 and TNNI1) was more enriched in PM. Additionally, we identified several candidate miRNA–mRNA pairs that might regulate muscle fiber types using the integrated miRNA–mRNA analysis. Combined with the results of protein–protein interaction (PPI) analysis, some interesting DEGs (including ACTN3, TNNT3, TPM2, TNNC2, PKM, TNNC1 and TNNI1) might be potential candidate target genes involved in the miRNA-mediated regulation of the myofibril composition. This study is the first to indicate that DEmiRs, especially eca-miR-193a-5p and eca-miR-370, and potential candidate target genes that are mainly involved in actin binding (e.g., ACTN3, TNNT3 and TNNC1) and the glycolysis/gluconeogenesis pathways (e.g., PKM) might coregulate the myofibril composition in donkeys. This study may provide useful information for improving meat quality traits in Dezhou donkeys.

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Section: Discussionsupporting

confidence: 86%

Comparative Transcriptome Analysis of Slow-Twitch and Fast-Twitch Muscles in Dezhou Donkeys

Shi

et al. 2022

Genes

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“…The skeletal muscles of different parts of the animal body were composed of heterogeneous muscle fibers and had different inherent physiological functions, such as metabolism and contractile response ( Picard & Gagaoua, 2020 ). Through myosin ATPase staining and histochemical techniques, the muscle fiber types of Chinese simmental cattle can be divided into type I, type IIA and type IIB, with different cross-sectional area and glycolytic rates ( Lang et al, 2020 ). Psoas major (PM) muscle fibers, which were mainly composed of type I (slow-oxidative fibers, red fibers), has a higher percentage of myoglobin and mitochondrial content than longissimus dorsi (LD) muscle fibers, which were mainly composed of type IIX (fast-glycolytic fibers, white fibers) ( Jeong et al, 2009 , Picard and Gagaoua, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Comparison of oxidative stress-mitochondria-mediated tenderization in two different bovine muscles during aging

Ding

Wei

Liu

et al. 2022

Food Chemistry: Molecular Sciences

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“…Meat color and pH value of SM samples were directly measured by OPTO-STAR and pH-STAR (Matthäus, Germany) according to the manufacturer's instructions at 45 min and 24 h postmortem, respectively. The shear force value of SM samples was obtained by the Warner-Bratzler meat shear machine (Salter 235, Manhattan, Kansas, United States) following the procedure described by Lang et al (2020).…”

Section: Measurement Of Meat Quality Indexmentioning

confidence: 99%

Different feeding patterns affect meat quality of Tibetan pigs associated with intestinal microbiota alterations

et al. 2022

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This study aimed to investigate the effects of different feeding patterns on meat quality, gut microbiota and its metabolites of Tibetan pigs. Tibetan pigs with similar body weight were fed the high energy diets (HEP, 20 pigs) and the regular diets (RFP, 20 pigs), and free-ranging Tibetan pigs (FRP, 20 pigs) were selected as the reference. After 6 weeks of experiment, meat quality indexes of semitendinosus muscle (SM) and cecal microbiota were measured. The results of meat quality demonstrated that the shear force of pig SM in FRP group was higher than that in HEP and RFP groups (p < 0.001); the pH-value of SM in HEP pigs was higher at 45 min (p < 0.05) and lower at 24 h (p < 0.01) after slaughter than that in FRP and RFP groups; the SM lightness (L* value) of FRP pigs increased compared with RFP and HEP groups (p < 0.001), while the SM redness (a* value) of FRP pigs was higher than that of RFP group (p < 0.05). The free fatty acid (FA) profile exhibited that the total FAs and unsaturated FAs of pig SM in HEP and RFP groups were higher than those in FRP group (p < 0.05); the RFP pigs had more reasonable FA composition with higher n-3 polyunsaturated FAs (PUFAs) and lower n-6/n-3 PUFA ratio than HEP pigs (p < 0.05). Based on that, we observed that Tibetan pigs fed high energy diets (HEP) had lower microbial α-diversity in cecum (p < 0.05), and distinct feeding patterns exhibited a different microbial cluster. Simultaneously, the short-chain FA levels in cecum of FRP and RFP pigs were higher compared with HEP pigs (p < 0.05). A total of 11 genera related to muscle lipid metabolism or meat quality, including Alistipes, Anaerovibrio, Acetitomaculun, etc., were identified under different feeding patterns (p < 0.05). Spearman correlation analysis demonstrated that alterations of free FAs in SM were affected by the genera Prevotellaceae_NK3B31_group, Prevotellaceae UCG-003 and Christensenellaceae_R-7_group (p < 0.05). Taken together, distinct feeding patterns affected meat quality of Tibetan pigs related to gut microbiota alterations.

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Muscle fiber characteristics and postmortem quality of longissimus thoracis, psoas major and semitendinosus from Chinese Simmental bulls

Abstract: With the development of economy, individual muscles have been become popular in Chinese market. Chinese consumers are paying more attention to meat quality, which is highly variable due to preslaughter and postslaughter conditions and postmortem aging (Almli,

Cited by 19 publications

References 56 publications

Comparative Transcriptome Analysis of Slow-Twitch and Fast-Twitch Muscles in Dezhou Donkeys

Comparative Transcriptome Analysis of Slow-Twitch and Fast-Twitch Muscles in Dezhou Donkeys

Comparison of oxidative stress-mitochondria-mediated tenderization in two different bovine muscles during aging

Different feeding patterns affect meat quality of Tibetan pigs associated with intestinal microbiota alterations

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