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De novo assembly and annotation of Didymium iridis transcriptome and identification of stage-specfic genes. Biologia (Bratisl) 2018. [DOI: 10.2478/s11756-018-0037-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Bailey J. Building a plasmodium: Development in the acellular slime mouldPhysarum polycephalum. Bioessays 1997. [DOI: 10.1002/bies.950191108] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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T'Jampens D, Meerschaert K, Constantin B, Bailey J, Cook LJ, De Corte V, De Mol H, Goethals M, Van Damme J, Vandekerckhove J, Gettemans J. Molecular cloning, over-expression, developmental regulation and immunolocalization of fragminP, a gelsolin-related actin-binding protein from Physarum polycephalum plasmodia. J Cell Sci 1997; 110 ( Pt 10):1215-26. [PMID: 9191045 DOI: 10.1242/jcs.110.10.1215] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
FragminP is a Ca2+-dependent actin-binding and microfilament regulatory protein of the gelsolin family. We screened a Physarum polycephalum cDNA library with polyclonal fragminP antibodies and isolated a cDNA clone of 1,104 bp encoding 368 amino acids of fragminP, revealing two consensus phosphatidylinositol 4,5 bisphosphate-binding motifs in the central part of the protein. The first methionine is modified by an acetyl group, and three amino acids were missing from the protein coded for by the cDNA clone. Full-length recombinant fragminP was generated by PCR, purified after over-expression from Escherichia coli and displayed identical properties to native Physarum fragminP. Northern blot analysis against RNA, isolated from cultures at various stages of development, indicated that fragminP is absent from amoebae and that expression is initiated at an early stage during apogamic development, in a similar way to that observed for the profilin genes. In situ immunolocalization of fragminP in Physarum microplasmodia revealed that the protein is localized predominantly at the plasma membrane, suggesting a role in the regulation of the subcortical actin meshwork. Our data indicate that we have isolated the plasmodium-specific fragminP cDNA (frgP) and suggest that, in each of its two vegetative cell types, P. polycephalum uses a different fragmin isoform that performs different functions.
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Affiliation(s)
- D T'Jampens
- Flanders Interuniversity Institute of Biotechnology, Department of Biochemistry, Universiteit Gent, Belgium
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Gott JM, Visomirski LM, Hunter JL. Substitutional and insertional RNA editing of the cytochrome c oxidase subunit 1 mRNA of Physarum polycephalum. J Biol Chem 1993. [DOI: 10.1016/s0021-9258(19)74417-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Burland TG, Solnica-Krezel L, Bailey J, Cunningham DB, Dove WF. Patterns of inheritance, development and the mitotic cycle in the protist Physarum polycephalum. Adv Microb Physiol 1993; 35:1-69. [PMID: 8310878 DOI: 10.1016/s0065-2911(08)60096-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- T G Burland
- McArdle Laboratory, University of Wisconsin, Madison 53706
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