ArticleProtoplasma2019
Characterisation of Stramenopile-specific mastigoneme proteins in Phytophthora parasitica.
Article in Protoplasma, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Functional roles of mastigonemes in Ectocarpus gamete swimming revealed by CRISPR-Cas9 mutagenesis.Protoplasma · 2026Article
- Cellular demiurgs - engineer to understand.Protoplasma · 2026Article
- Membrane proteome analysis identifies key components of sensing in Phytophthora parasitica zoospores.Scientific reports · 2025Article
- Integrated overview of stramenopile ecology, taxonomy, and heterotrophic origin.The ISME journal · 2024Review
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Authors and funding
3 authors.
Funding
Abstract
Mastigonemes, tripartite tubular hairs on the anterior flagellum of Phytophthora zoospores, are instrumental for disease dissemination to new host plants. A previous study showed that PnMas2 was part of the tubular shaft of Phytophthora parasitica mastigonemes. In the current study, genes encoding two related proteins, PnMas1 and PnMas3, were identified in the genome of P. parasitica. PnMas1 interacts with PnMas2 and also occurs along the mastigoneme shaft. RNA-Seq analyses indicate that PnMas1 and PnMas2 genes have similar expression profiles both in vitro and in planta but that PnMas3 is expressed temporally prior to PnMas1 and PnMas2 during asexual development and plant infection. Immunocytochemistry and GFP-tagging document the occurrence of all three PnMas proteins within the specialised compartments of the ER during mastigoneme formation, but only PnMas1 and PnMas2 occur in mature mastigonemes on the flagellar surface. Anti-PnMas1 and anti-PnMas2 antibodies co-labelled two high-molecular-weight (~400 kDa) protein complexes in native gels but anti-PnMas3 antibodies labelled a 65 kDa protein complex. Liquid chromatography-mass spectrometry analysis identified PnMas1 and PnMas2 but not PnMas3 in flagellar extracts. These results suggest that PnMas3 associates with mastigonemes during their assembly within the ER but is not part of mature mastigonemes on the anterior flagellum. Phylogenetic analyses using homologues of Mas genes from the genomes of 28 species of Stramenopiles give evidence of three Mas sub-families, namely Mas1, Mas2 and Mas3. BLAST analyses showed that Mas genes only occur in flagellate species within the Stramenopile taxon.
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