ArticleEukaryotic cell2010
A novel gene, ROA, is required for normal morphogenesis and discharge of ascospores in Gibberella zeae.
Article in Eukaryotic cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- FgGCV1, a glycine cleavage system T protein, regulates glycine metabolism and sexual reproduction inFrontiers in plant science · 2026Article
- Dimethyl Sulfoxide Suppresses Fusarium graminearum Pathogenicity by Modulating Key Life Cycle Traits.The plant pathology journal · 2025Article
- An Antisense Long Non-Coding RNA, LncRsn, Is Involved in Sexual Reproduction and Full Virulence inJournal of fungi (Basel, Switzerland) · 2024Article
- Article
- Advances in UnderstandingGenes · 2024Review
- Novel EndophyticToxins · 2023Article
- lncRsp1, a long noncoding RNA, influences Fgsp1 expression and sexual reproduction in Fusarium graminearum.Molecular plant pathology · 2022Article
- Meiotic Silencing in DothideomycetousFrontiers in fungal biology · 2022Article
- NADPH Oxidase Gene,Frontiers in microbiology · 2022Review
- Survival Factor GeneThe plant pathology journal · 2019Article
- An expanded subfamily of G-protein-coupled receptor genes in Fusarium graminearum required for wheat infection.Nature microbiology · 2019Article
- Article
- Soybean Stem Canker Caused byFrontiers in plant science · 2019Article
- Dicer-Like Proteins Regulate Sexual Development via the Biogenesis of Perithecium-Specific MicroRNAs in a Plant Pathogenic FungusFrontiers in microbiology · 2018Article
- RNA editing of the AMD1 gene is important for ascus maturation and ascospore discharge in Fusarium graminearum.Scientific reports · 2017Article
- Mannitol metabolism during pathogenic fungal-host interactions under stressed conditions.Frontiers in microbiology · 2015Review
- Determination of motility forces on isolated chromosomes with laser tweezers.Scientific reports · 2014Article
- A Putative Transcription Factor pcs1 Positively Regulates Both Conidiation and Sexual Reproduction in the Cereal Pathogen Fusarium graminearum.The plant pathology journal · 2014Article
- The HEX1 gene of Fusarium graminearum is required for fungal asexual reproduction and pathogenesis and for efficient viral RNA accumulation of Fusarium graminearum virus 1.Journal of virology · 2013Article
- Mitochondrial carnitine-dependent acetyl coenzyme A transport is required for normal sexual and asexual development of the ascomycete Gibberella zeae.Eukaryotic cell · 2012Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Head blight, caused by Gibberella zeae, is a significant disease among cereal crops, including wheat, barley, and rice, due to contamination of grain with mycotoxins. G. zeae is spread by ascospores forcibly discharged from sexual fruiting bodies forming on crop residues. In this study, we characterized a novel gene, ROA, which is required for normal sexual development. Deletion of ROA (Δroa) resulted in an abnormal size and shape of asci and ascospores but did not affect vegetative growth. The Δroa mutation triggered round ascospores and insufficient cell division after spore delimitation. The asci of the Δroa strain discharged fewer ascospores from the perithecia but achieved a greater dispersal distance than those of the wild-type strain. Turgor pressure within the asci was calculated through the analysis of osmolytes in the epiplasmic fluid. Deletion of the ROA gene appeared to increase turgor pressure in the mutant asci. The higher turgor pressure of the Δroa mutant asci and the mutant spore shape contributed to the longer distance dispersal. When the Δroa mutant was outcrossed with a Δmat1-2 mutant, a strain that contains a green fluorescence protein (GFP) marker in place of the MAT1-2 gene, unusual phenotypic segregation occurred. The ratio of GFP to non-GFP segregation was 1:1; however, all eight spores had the same shape. Taken together, the results of this study suggest that ROA plays multiple roles in maintaining the proper morphology and discharge of ascospores in G. zeae.
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