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Li J, Chen C, Zhao R, Wu J, Li Z. Transcriptome analysis of mRNAs, lncRNAs, and miRNAs in the skeletal muscle of Tibetan chickens at different developmental stages. Front Physiol 2023; 14:1225349. [PMID: 37565148 PMCID: PMC10410567 DOI: 10.3389/fphys.2023.1225349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/12/2023] [Indexed: 08/12/2023] Open
Abstract
Introduction: As a valuable genetic resource, native birds can contribute to the sustainable development of animal production. Tibetan chickens, known for their special flavor, are one of the important local poultry breeds in the Qinghai-Tibet Plateau. However, Tibetan chickens have a slow growth rate and poor carcass traits compared with broilers. Although most of the research on Tibetan chickens focused on their hypoxic adaptation, there were fewer studies related to skeletal muscle development. Methods: Here, we performed the transcriptional sequencing of leg muscles from Tibetan chicken embryos at E (embryonic)10, E14, and E18. Results: In total, 1,600, 4,610, and 2,166 DE (differentially expressed) mRNAs, 210, 573, and 234 DE lncRNAs (long non-coding RNAs), and 52, 137, and 33 DE miRNAs (microRNAs) were detected between E10 and E14, E10 and E18, and E14 and E18, respectively. Functional prediction showed several DE mRNAs and the target mRNAs of DE lncRNAs and DE miRNAs were significantly enriched in sarcomere organization, actin cytoskeleton organization, myofibril, muscle fiber development, and other terms and pathways related to muscle growth and development. Finally, a lncRNA-miRNA-mRNA ceRNA (competing endogenous RNA) network associated with muscle growth and development, which contained 6 DE lncRNAs, 13 DE miRNAs, and 50 DE mRNAs, was constructed based on the screened DE RNAs by Gene Ontology (GO) enrichment. These DE RNAs may play a critical regulatory role in the skeletal muscle development of chickens. Discussion: The results provide a genomic resource for mRNAs, lncRNAs, and miRNAs potentially involved in the skeletal muscle development of chickens, which lay the foundation for further studies of the molecular mechanisms underlying skeletal muscle growth and development in Tibetan chickens.
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Affiliation(s)
- Jie Li
- Laboratory of Ministry of Education for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, Sichuan, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu, Sichuan, China
| | - Chuwen Chen
- Laboratory of Ministry of Education for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, Sichuan, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu, Sichuan, China
| | - Ruipeng Zhao
- Laboratory of Ministry of Education for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, Sichuan, China
- Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, Sichuan, China
| | - Jinbo Wu
- Institute of Science and Technology of Aba Tibetan and Qiang Autonomous Prefecture, Aba Sichuan, China
| | - Zhixiong Li
- Laboratory of Ministry of Education for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, Sichuan, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu, Sichuan, China
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Zhang Y, Huang M, Shao X, Zhang F, Li Z, Bai Y, Xu X, Wang P, Zhao T. Insights into Intramuscular Connective Tissue Associated with Wooden Breast Myopathy in Fast-Growing Broiler Chickens. Foods 2023; 12:2375. [PMID: 37372588 DOI: 10.3390/foods12122375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/08/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Wooden breast myopathy (WBM) is a meat abnormality affecting pectoralis majors (PMs) of fast-growing broiler chickens. WBM-affected PMs exhibited varied meat qualities with increasing WBM severity. Normal PMs (NOR), mild WBM-affected PMs (MIL), moderate WBM-affected PMs (MOD), and severe WBM-affected PMs (SEV) were selected as raw materials. The structure and organization of connective tissue and fibrillar collagen were investigated through immersing with sodium hydroxide solution, Masson trichrome staining, and using an electron microscope. The mechanical strength of intramuscular connective tissue was analyzed via the shear force of samples treated with sodium hydroxide solution. The thermal property and secondary structure of connective tissue were analyzed by differential scanning calorimetry and Fourier transform infrared spectroscopy. The obtained connective tissue was dissolved in a sodium hydroxide solution for the evaluation of the physicochemical properties of proteins, including particle size, molecular weight, surface hydrophobicity, and intrinsic fluorescence. In particular, the particle size was measured using a zeta potential instrument. The molecular weight was analyzed by sodium dodecyl sulfate polyacrylamide gel electrophoresis. The surface hydrophobicity and intrinsic fluorescence were measured by spectroscopy technology. Histologically, macrophage infiltration, myodegeneration and necrosis, regeneration, fibrous connective tissue, and thickened perimysial connective tissue were observed in WBM-affected PMs, especially SEV with fibrosis, including blood vessels. Compared with NOR, WBM led to increased average diameter of the collagen fibrils in perimysial (36.61 nm of NOR to 69.73 nm of SEV) and endomysial (34.19 nm of NOR to 56.93 nm of SEV) layers. A significant increase (p < 0.05) was observed in the mechanical strength (2.05 N to 5.55 N) of fresh PMs and the thermal transition temperature (onset temperature (TO), 61.53 °C to 67.50 °C; maximum transition temperature (TM), 66.46 °C to 70.18 °C; termination temperature (TE), 77.20 °C to 80.88 °C) of connective tissue from NOR to SEV. Cooking decreased the mechanical strength, and MOD samples showed the highest mechanical strength (1.24 N, p < 0.05), followed by SEV (0.96 N), MIL (0.93 N), and NOR (0.72 N). For proteins in connective tissue, random coil (19.64% to 29.61%, p < 0.0001), particle size (p < 0.05), and surface hydrophobicity (p < 0.05) increased with the decrease in the α-helix (14.61% to 11.54%, p < 0.0001), β-sheet (45.71% to 32.80%, p < 0.0001), and intrinsic fluorescence of proteins from NOR to SEV. The molecular weights of intramuscular connective tissue proteins were in the ranges of >270 kDa, 180-270 kDa, 110-180 kDa, 95-100 kDa, and <15 kDa. Taken together, WBM resulted in thickened organization, tightly packed collagen fibrils, increased mechanical strength and thermal temperature, and increased particle size, surface hydrophobicity, and intrinsic fluorescence of proteins in connective tissue, as the WBM severity increased.
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Affiliation(s)
- Yulong Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Mingyuan Huang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Xuefei Shao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Feiyu Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Zhen Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Yun Bai
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Xinglian Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Peng Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Synergetic Innovation Center of Meat Production and Processing, Nanjing 210095, China
- National Center of Meat Quality and Safety Control, Nanjing 210095, China
| | - Tinghui Zhao
- Ninglang Animal Husbandry Work Instructing Station, Lijiang 674301, China
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Velleman SG, Coy CS, Abasht B. Effect of expression of PPARG, DNM2L, RRAD, and LINGO1 on broiler chicken breast muscle satellite cell function. Comp Biochem Physiol A Mol Integr Physiol 2022; 268:111186. [PMID: 35278723 DOI: 10.1016/j.cbpa.2022.111186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/07/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
Disorders affecting the breast muscle of modern commercial broiler chickens have increased in recent years. Wooden Breast (WB) myopathy is characterized by a palpably hard breast muscle with increased fat deposition. WB is a metabolic disorder with lipid accumulation considered to be a primary causal factor. The adult myoblasts, satellite cells, are a partially differentiated stem cell population and primarily function in muscle growth and regeneration. The satellite cells also express adipogenic genes. The objective of this study was to determine the expression of the adipogenic genes PPARG, DNM2L, RRAD, and LINGO1 in commercial Ross 708 (708) and Randombred (RBch) satellite cells. RBch satellite cells are from commercial 1995 broilers before WB and 708 broilers are a modern commercial line. In general, expression of these genes was different between the 708 and RBch satellite cells during proliferation and differentiation. Expression of PPARG and RRAD were both significantly increased during both proliferation and differentiation in the 708 cells (P ≤ 0.05). Knocking down the expression of these genes with small interfering RNAs did not greatly affect either proliferation or differentiation. Lipid accumulation was affected by the knockdown of these genes with significant line effects from 48 h of proliferation through 72 h of differentiation. In general, 708 satellite cells had higher lipid levels. Knockdown treatment effect was specific to each gene. The results demonstrate that lipid biosynthesis has been affected in breast muscle satellite cells which may contribute to the increased lipid deposition in modern day commercial broiler chickens.
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Affiliation(s)
- Sandra G Velleman
- Department of Animal Sciences, The Ohio State University, Wooster, OH 44691, United States of America.
| | - Cynthia S Coy
- Department of Animal Sciences, The Ohio State University, Wooster, OH 44691, United States of America
| | - Behnam Abasht
- University of Delaware, Newark, DE 19716, United States of America
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Marciano CMM, Ibelli AMG, Marchesi JAP, de Oliveira Peixoto J, Fernandes LT, Savoldi IR, do Carmo KB, Ledur MC. Differential Expression of Myogenic and Calcium Signaling-Related Genes in Broilers Affected With White Striping. Front Physiol 2021; 12:712464. [PMID: 34381378 PMCID: PMC8349984 DOI: 10.3389/fphys.2021.712464] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/05/2021] [Indexed: 01/10/2023] Open
Abstract
White Striping (WS) has been one of the main issues in poultry production in the last years since it affects meat quality. Studies have been conducted to understand WS and other myopathies in chickens, and some biological pathways have been associated to the prevalence of these conditions, such as extracellular calcium level, oxidative stress, localized hypoxia, possible fiber-type switching, and cellular repairing. Therefore, to understand the genetic mechanisms involved in WS, 15 functional candidate genes were chosen to be analyzed by quantitative PCR (qPCR) in breast muscle of normal and WS-affected chickens. To this, the pectoral major muscle (PMM) of 16 normal and 16 WS-affected broilers were collected at 42 days of age and submitted to qRT-PCR analysis. Out of the 15 genes studied, six were differentially expressed between groups. The CA2, CSRP3, and PLIN1 were upregulated, while CALM2, DNASE1L3, and MYLK2 genes were downregulated in the WS-affected when compared to the normal broilers. These findings highlight that the disruption on muscle and calcium signaling pathways can possibly be triggering WS in chickens. Improving our understanding on the genetic basis involved with this myopathy might contribute for reducing WS in poultry production.
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Affiliation(s)
| | - Adriana Mércia Guaratini Ibelli
- Embrapa Suínos e Aves, Concórdia, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, Guarapuava, Brazil
| | | | - Jane de Oliveira Peixoto
- Embrapa Suínos e Aves, Concórdia, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, Guarapuava, Brazil
| | | | - Igor Ricardo Savoldi
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina (UDESC-Oeste), Chapecó, Brazil
| | | | - Mônica Corrêa Ledur
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina (UDESC-Oeste), Chapecó, Brazil.,Embrapa Suínos e Aves, Concórdia, Brazil
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