ArticleMycopathologia2012
Hydroxyurea enhances post-fusion hyphal extension during sexual development in C. neoformans var. grubii.
Article in Mycopathologia, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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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, 4 citations in OpenAlex.
- Essential Roles of Ribonucleotide Reductases under DNA Damage and Replication Stresses in Cryptococcus neoformans.Microbiology spectrum · 2022Article
- Article
- The cellular roles of Ccr4-NOT in model and pathogenic fungi-implications for fungal virulence.Frontiers in genetics · 2013Article
- Hydroxyurea treatment inhibits proliferation of Cryptococcus neoformans in mice.Frontiers in microbiology · 2012Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
Mating and sexual development in C. neoformans var. grubii strains of the H99 background is often less robust than that laboratory generated isogenic C. neoformans var. neoformans strains in the JEC21 background. In Candida albicans and Saccharomyces serevisiae, slowing of DNA synthesis and engagement of the replication stress response, such as that caused by treatment with hydroxyurea (HU), induces filamentation and pseudohyphal growth, respectively. In this study, we investigated the effect of HU treatment on C. neoformans var. grubii morphogenesis. Treatment with HU did not induce filamentation of yeast cells either in liquid culture or on solid YPD or V8 agar. In the presence of the opposite mating partner, we observed early emergence of hyphae in the presence of HU. Semi-quantitative analysis of fusion using marked strains demonstrated that no significant enhancement of fusion in the presence of HU. Transfer of fusion colonies from crosses performed in the absence of HU to V8 + HU revealed enhanced hyphal growth in the presence of HU. Analysis of expression of the target of HU, ribonucleotide reductase, revealed that a phylogenetically divergent catalytic subunit is replication stress responsive in C. neoformans. These results suggest that induction of replication stress promotes post-fusion hyphal growth of C. neoformans var. grubii strains in the H99 background.
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