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Dhanasiri AKS, Johny A, Xue X, Berge GM, Bogevik AS, Rise ML, Fæste CK, Fernandes JMO. Plant-Based Diets Induce Transcriptomic Changes in Muscle of Zebrafish and Atlantic Salmon. Front Genet 2020; 11:575237. [PMID: 33193686 PMCID: PMC7642599 DOI: 10.3389/fgene.2020.575237] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 09/28/2020] [Indexed: 12/18/2022] Open
Abstract
With the expansion of the aquaculture industry in the last two decades, there has been a large increase in the use of plant ingredients in aquafeeds, which has created new challenges in fish growth, health and welfare. Fish muscle growth is an important trait that is strongly affected by diet, but our knowledge on the effect of plant protein-based diets on global gene expression in muscle is still scant. The present study evaluated nutrigenomic effects of the inclusion of proteins from pea, soy and wheat into aquafeeds, compared to a control diet with fishmeal as the main protein source using the zebrafish model by RNA-seq; these results were extended to an important aquaculture species by analyzing selected differentially expressed genes identified in the zebrafish model on on-growing Atlantic salmon fed with equivalent plant protein-based diets. Expression of selected Atlantic salmon paralogues of the zebrafish homologs was analyzed using paralogue-specific qPCR assays. Global gene expression changes in muscle of zebrafish fed with plant-based diets were moderate, with the highest changes observed in the soy diet-fed fish, and no change for the pea diet-fed fish compared to the control diet. Among the differentially expressed genes were mylpfb, hsp90aa1.1, col2a1a, and odc1, which are important in regulating muscle growth, maintaining muscle structure and function, and muscle tissue homeostasis. Furthermore, those genes and their paralogues were differentially expressed in Atlantic salmon fed with the equivalent percentage of soy or wheat protein containing diets. Some of these genes were similarly regulated in both species while others showed species-specific regulation. The present study expands our understanding on the molecular effects of plant ingredients in fish muscle. Ultimately, the knowledge gained would be of importance for the improved formulation of sustainable plant-based diets for the aquaculture industry.
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Affiliation(s)
- Anusha K S Dhanasiri
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway.,Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Oslo, Norway
| | - Amritha Johny
- Toxinology Research Group, Norwegian Veterinary Institute, Oslo, Norway
| | - Xi Xue
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Gerd M Berge
- Norwegian Institute of Food, Fisheries and Aquaculture Research (Nofima), Sunndalsøra, Norway
| | - Andre S Bogevik
- Norwegian Institute of Food, Fisheries and Aquaculture Research (Nofima), Fyllingsdalen, Norway
| | - Matthew L Rise
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
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Backe SJ, Sager RA, Woodford MR, Makedon AM, Mollapour M. Post-translational modifications of Hsp90 and translating the chaperone code. J Biol Chem 2020; 295:11099-11117. [PMID: 32527727 DOI: 10.1074/jbc.rev120.011833] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/11/2020] [Indexed: 12/12/2022] Open
Abstract
Cells have a remarkable ability to synthesize large amounts of protein in a very short period of time. Under these conditions, many hydrophobic surfaces on proteins may be transiently exposed, and the likelihood of deleterious interactions is quite high. To counter this threat to cell viability, molecular chaperones have evolved to help nascent polypeptides fold correctly and multimeric protein complexes assemble productively, while minimizing the danger of protein aggregation. Heat shock protein 90 (Hsp90) is an evolutionarily conserved molecular chaperone that is involved in the stability and activation of at least 300 proteins, also known as clients, under normal cellular conditions. The Hsp90 clients participate in the full breadth of cellular processes, including cell growth and cell cycle control, signal transduction, DNA repair, transcription, and many others. Hsp90 chaperone function is coupled to its ability to bind and hydrolyze ATP, which is tightly regulated both by co-chaperone proteins and post-translational modifications (PTMs). Many reported PTMs of Hsp90 alter chaperone function and consequently affect myriad cellular processes. Here, we review the contributions of PTMs, such as phosphorylation, acetylation, SUMOylation, methylation, O-GlcNAcylation, ubiquitination, and others, toward regulation of Hsp90 function. We also discuss how the Hsp90 modification state affects cellular sensitivity to Hsp90-targeted therapeutics that specifically bind and inhibit its chaperone activity. The ultimate challenge is to decipher the comprehensive and combinatorial array of PTMs that modulate Hsp90 chaperone function, a phenomenon termed the "chaperone code."
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Affiliation(s)
- Sarah J Backe
- Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA.,Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, New York, USA.,Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, New York, USA
| | - Rebecca A Sager
- Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA.,Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, New York, USA.,Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, New York, USA.,College of Medicine, SUNY Upstate Medical University, Syracuse, New York, USA
| | - Mark R Woodford
- Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA.,Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, New York, USA.,Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, New York, USA
| | - Alan M Makedon
- Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA.,Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, New York, USA
| | - Mehdi Mollapour
- Department of Urology, SUNY Upstate Medical University, Syracuse, New York, USA .,Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, New York, USA.,Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, New York, USA
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Ojima K. Myosin: Formation and maintenance of thick filaments. Anim Sci J 2019; 90:801-807. [PMID: 31134719 PMCID: PMC6618170 DOI: 10.1111/asj.13226] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 03/27/2019] [Accepted: 04/18/2019] [Indexed: 12/17/2022]
Abstract
Skeletal muscle consists of bundles of myofibers containing millions of myofibrils, each of which is formed of longitudinally aligned sarcomere structures. Sarcomeres are the minimum contractile unit, which mainly consists of four components: Z‐bands, thin filaments, thick filaments, and connectin/titin. The size and shape of the sarcomere component is strictly controlled. Surprisingly, skeletal muscle cells not only synthesize a series of myofibrillar proteins but also regulate the assembly of those proteins into the sarcomere structures. However, authentic sarcomere structures cannot be reconstituted by combining purified myofibrillar proteins in vitro, therefore there must be an elaborate mechanism ensuring the correct formation of myofibril structure in skeletal muscle cells. This review discusses the role of myosin, a main component of the thick filament, in thick filament formation and the dynamics of myosin in skeletal muscle cells. Changes in the number of myofibrils in myofibers can cause muscle hypertrophy or atrophy. Therefore, it is important to understand the fundamental mechanisms by which myofibers control myofibril formation at the molecular level to develop approaches that effectively enhance muscle growth in animals.
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Affiliation(s)
- Koichi Ojima
- Muscle Biology Research Unit, Division of Animal Products Research, National Institute of Livestock and Grassland Science, NARO, Tsukuba, Japan
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Gentil BJ, Lai GT, Menade M, Larivière R, Minotti S, Gehring K, Chapple JP, Brais B, Durham HD. Sacsin, mutated in the ataxia ARSACS, regulates intermediate filament assembly and dynamics. FASEB J 2018; 33:2982-2994. [DOI: 10.1096/fj.201801556r] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Benoit J. Gentil
- Department of Neurology and NeurosurgeryMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
- Department of Kinesiology and Physical EducationMcGill UniversityMontrealQuébecCanada
| | - Gia-Thanh Lai
- Department of Neurology and NeurosurgeryMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
- Department of Kinesiology and Physical EducationMcGill UniversityMontrealQuébecCanada
| | - Marie Menade
- Department of BiochemistryGroupe de Recherche axé sur la Structure des ProtéinesMcGill UniversityMontrealQuébecCanada
| | - Roxanne Larivière
- Laboratory of Neurogenetics of MotionMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
| | - Sandra Minotti
- Department of Neurology and NeurosurgeryMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
| | - Kalle Gehring
- Department of BiochemistryGroupe de Recherche axé sur la Structure des ProtéinesMcGill UniversityMontrealQuébecCanada
| | - J.-Paul Chapple
- William Harvey Research InstituteBarts and the London School of Medicine and DentistryQueen Mary University of LondonLondonUnited Kingdom
| | - Bernard Brais
- Laboratory of Neurogenetics of MotionMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
| | - Heather D. Durham
- Department of Neurology and NeurosurgeryMontreal Neurological InstituteMcGill UniversityMontrealQuébecCanada
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Ojima K, Ichimura E, Suzuki T, Oe M, Muroya S, Nishimura T. HSP90 modulates the myosin replacement rate in myofibrils. Am J Physiol Cell Physiol 2018; 315:C104-C114. [PMID: 29561661 DOI: 10.1152/ajpcell.00245.2017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Myosin is a major myofibrillar component in skeletal muscles. In myofibrils, ~300 myosin molecules form a single thick filament in which there is constant turnover of myosin. Our previous study demonstrated that the myosin replacement rate is reduced by inhibition of protein synthesis (Ojima K, Ichimura E, Yasukawa Y, Wakamatsu J, Nishimura T, Am J Physiol Cell Physiol 309: C669-C679, 2015); however, additional factors influencing myosin replacement were unknown. Here, we showed that rapid myosin replacement requires heat shock protein 90 (HSP90) activity. We utilized the fluorescence recovery after photobleaching technique to measure the replacement rate of green fluorescent protein-fused myosin heavy chain (GFP-MYH) in myotubes overexpressing HSP90. Intriguingly, the myosin replacement rate was significantly increased in HSP90-overexpressing myotubes, whereas the myosin replacement rate slowed markedly in the presence of an HSP90-specific inhibitor, indicating that HSP90 activity promotes myosin replacement. To determine the mechanism of this effect, we investigated whether HSP90 activity increased the amount of myosin available for incorporation into myofibrils. Strikingly, the gene expression levels of MYHs were significantly elevated by HSP90 overexpression but downregulated by inhibition of HSP90 activity. Cytosolic myosin content was also increased in myotubes overexpressing HSP90. Taken together, our results demonstrate that HSP90 activity facilitates myosin replacement by upregulating MYH gene expression and thereby increasing cytosolic myosin content.
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Affiliation(s)
- Koichi Ojima
- Division of Animal Products Research, Institute of Livestock and Grassland Science, NARO, Tsukuba , Japan
| | - Emi Ichimura
- Research Faculty of Agriculture, Graduate School of Agriculture, Hokkaido University , Sapporo , Japan
| | - Takahiro Suzuki
- Research Faculty of Agriculture, Graduate School of Agriculture, Hokkaido University , Sapporo , Japan
| | - Mika Oe
- Division of Animal Products Research, Institute of Livestock and Grassland Science, NARO, Tsukuba , Japan
| | - Susumu Muroya
- Division of Animal Products Research, Institute of Livestock and Grassland Science, NARO, Tsukuba , Japan
| | - Takanori Nishimura
- Research Faculty of Agriculture, Graduate School of Agriculture, Hokkaido University , Sapporo , Japan
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