ArticleCytoskeleton (Hoboken, N.J.)2017
Identification, characterization, and expression of sarcomeric tropomyosin isoforms in zebrafish.
Article in Cytoskeleton (Hoboken, N.J.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 18 citations in OpenAlex.
- Role of Tpm Isoforms Produced by theBiomolecules · 2025Article
- Protein Sequencing with Single Amino Acid Resolution Discerns Peptides That Discriminate Tropomyosin Proteoforms.Journal of proteome research · 2025Article
- Sarcomeric tropomyosin expression during human iPSC differentiation into cardiomyocytes.Cytoskeleton (Hoboken, N.J.) · 2024Article
- Jaw size variation is associated with a novel craniofacial function for galanin receptor 2 in an adaptive radiation of pupfishes.Proceedings. Biological sciences · 2023Article
- Modeling Human Muscular Dystrophies in Zebrafish: Mutant Lines, Transgenic Fluorescent Biosensors, and Phenotyping Assays.International journal of molecular sciences · 2023Review
- Tropomyosin Isoform Diversity in the Cynomolgus Monkey Heart and Skeletal Muscles Compared to Human Tissues.Biochemistry research international · 2023Article
- The Ahr2-Dependent wfikkn1 Gene Influences Zebrafish Transcriptome, Proteome, and Behavior.Toxicological sciences : an official journal of the Society of Toxicology · 2022Article
- Identification of a novel TPM4 isoform transcript and comparison to the expression of other tropomyosin isoforms in bovine cardiac and skeletal muscles.International journal of biochemistry and molecular biology · 2021Article
- Dynamic transcriptional and chromatin accessibility landscape of medaka embryogenesis.Genome research · 2020Article
- Qualitative and quantitative evaluation of TPM transcripts and proteins in developing striated chicken muscles indicate TPM4α is the major sarcomeric cardiac tropomyosin from early embryonic life to adulthood.Cytoskeleton (Hoboken, N.J.) · 2018Article
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
Abstract
Tropomyosin is a component of thin filaments that constitute myofibrils, the contractile apparatus of striated muscles. In vertebrates, except for fish, four TPM genes TPM1, TPM2, TPM3, and TPM4 are known. In zebrafish, there are six TPM genes that include the paralogs of the TPM1 (TPM1-1 and TPM1-2), the paralogs of the TPM4 gene (TPM4-1 and TPM4-2), and the two single copy genes TPM2 and TPM3. In this study, we have identified, cloned, and sequenced the TPM1-1κ isoform of the TPM1-1 gene and also discovered a new isoform TPM1-2ν of the TPM1-2. Further, we have cloned and sequenced the sarcomeric isoform of the TPM4-2 gene designated as TPM4-2α. Using conventional RT-PCR, we have shown the expression of the sarcomeric isoforms of TPM1-1, TPM1-2, TPM2, TPM3, TPM4-1, and TPM4-2 in heart and skeletal muscles. By qRT-PCR using both relative expression as well as the absolute copy number, we have shown that TPM1-1α, TPM1-2α, and TPM1-2ν are expressed mostly in skeletal muscle; the level of expression of TPM1-1κ is significantly lower compared to TPM1-1α in skeletal muscle. In addition, both TPM4-1α and TPM4-2α are predominantly expressed in heart. 2D Western blot analyses using anti-TPM antibody followed by Mass Spectrometry of the proteins from the antibody-stained spots show that TPM1-1α and TPM3α are expressed in skeletal muscle whereas TPM4-1α and TPM3α are expressed in zebrafish heart. To the best of our knowledge, this is by far the most comprehensive analysis of tropomyosin expression in zebrafish, one of the most popular animal models for gene expression study.
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