Calcineurin Localizes to the Hyphal Septum in Aspergillus fumigatus : Implications for Septum Formation and Conidiophore Development
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A functional calcineurin A fusion to enhanced green fluorescent protein (EGFP), CnaA-EGFP, was expressed in the Aspergillus fumigatus DeltacnaA mutant. CnaA-EGFP localized in actively growing hyphal tips, at the septa, and at junctions between the vesicle and phialides in an actin-dependent manner. This is the first study to implicate calcineurin in septum formation and conidiophore development of a filamentous fungus.
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The regulatory subunit CnaB is absolutely essential for activation of the catalytic subunit CnaA in vivo.
“Additionally, the regulatory subunit (CnaB) is absolutely essential for activation of the catalytic subunit (CnaA) in vivo (Juvvadi et al., 2008; Juvvadi et al., 2011).”
From Calcineurin as a multifunctional regulator: Unraveling novel functions in fungal stress responses, hyphal growth, drug resistance, and pathogenesis (2014) · cites this paper as Juvvadi et al., 2008
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- Authors
- Juvvadi, P. R., Fortwendel, J. R., Pinchai, N., Perfect, B. Z., Heitman, J., & Steinbach, W. J.
- Affiliations
- Duke Medical Center (US)
- Corresponding author
- Steinbach, William J.
- Venue
- Eukaryotic Cell
- Publisher
- American Society for Microbiology
- Published
- 2008-09
- Volume
- 7
- Issue
- 9
- Pages
- 1606-1610
- ISSN
- 1535-9778 (ISSN-L)
- 1535-9786
- PMC
- PMC2547068
- OpenAlex
- W2141533047
- Cited by
- 42
- References
- 30
- Citations by year
- 2026: 3 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 3 · 2017: 2 · 2016: 6 · 2015: 5 · 2014: 4 · 2013: 2 · 2012: 4
- FWCI
- 0.96
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Eukaryotic Cell (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Children's Miracle Network Hospitals
- National Institutes of Health
- National Institute of Allergy and Infectious Diseases (K08 AI1061149)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
- Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
- Keywords
- calcineurin, calcineurin A, Aspergillus fumigatus, conidiophore development, hyphal tip growth, phialides, filamentous fungi
- MeSH terms
- Aspergillus fumigatus, Fungal Proteins, Spores, Fungal, Calcineurin, Protein Transport, Hyphae
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