ArticleG3 (Bethesda, Md.)2021
Austropuccinia psidii, causing myrtle rust, has a gigabase-sized genome shaped by transposable elements.
Article in G3 (Bethesda, Md.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 27 papers, 1 of them a synthesis that pooled it.
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Who cites it
27 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Genomic investigations of successful invasions: the picture emerging from recent studies.Biological reviews of the Cambridge Philosophical Society · 2025Pooled it
- A pseudo-phased genome assembly for Hemileia vastatrix reveals an isolate-specific chromosomal haploid trisomy.G3 (Bethesda, Md.) · 2026Article
- Fungal DNA damage repair: from model to driver of virulence and AMR.Bioscience reports · 2026Review
- Haplotype-phased genomes of the barley leaf rust pathogen reveal evidence of repeat element expansion and somatic hybridization.G3 (Bethesda, Md.) · 2026Article
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- Avirulence genes identified through linkage mapping and region-specific association studies in the wheat leaf rust pathogen Puccinia triticina.BMC genomics · 2026Article
- Genomic and Effector-Based Insights Into Austropuccinia psidii-Host Interactions Informing RNAi and Resistance Development.Molecular plant pathology · 2026Review
- Host adaptation and genome evolution of the broad host range fungal rust pathogen, Austropuccinia psidii.G3 (Bethesda, Md.) · 2026Article
- The poplar pathogenMicrobial genomics · 2026Article
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- Phylogenomic signatures of repeat-induced point mutations across the fungal kingdom.PLoS biology · 2025Article
- Ancestral and recent bursts of transposition shaped the massive genomes of plant pathogenic rust fungi.BMC genomics · 2025Article
- Patterns and mechanisms of fungal genome plasticity.Current biology : CB · 2025Review
- Chromosome-Level Genome Assembly of the Australian Rainforest Tree Rhodamnia argentea (Malletwood).Genome biology and evolution · 2024Article
- Signatures of transposon-mediated genome inflation, host specialization, and photoentrainment ineLife · 2024Article
- Signatures of transposon-mediated genome inflation, host specialization, and photoentrainment inbioRxiv : the preprint server for biology · 2024Article
- Assembly collapsing versus heterozygosity oversizing: detection of homokaryotic and heterokaryoticMicrobial genomics · 2024Article
- Article
- Article
- Major proliferation of transposable elements shaped the genome of the soybean rust pathogen Phakopsora pachyrhizi.Nature communications · 2023Article
Corrections and comments
- Erratum issued
Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Austropuccinia psidii, originating in South America, is a globally invasive fungal plant pathogen that causes rust disease on Myrtaceae. Several biotypes are recognized, with the most widely distributed pandemic biotype spreading throughout the Asia-Pacific and Oceania regions over the last decade. Austropuccinia psidii has a broad host range with more than 480 myrtaceous species. Since first detected in Australia in 2010, the pathogen has caused the near extinction of at least three species and negatively affected commercial production of several Myrtaceae. To enable molecular and evolutionary studies into A. psidii pathogenicity, we assembled a highly contiguous genome for the pandemic biotype. With an estimated haploid genome size of just over 1 Gb (gigabases), it is the largest assembled fungal genome to date. The genome has undergone massive expansion via distinct transposable element (TE) bursts. Over 90% of the genome is covered by TEs predominantly belonging to the Gypsy superfamily. These TE bursts have likely been followed by deamination events of methylated cytosines to silence the repetitive elements. This in turn led to the depletion of CpG sites in TEs and a very low overall GC content of 33.8%. Compared to other Pucciniales, the intergenic distances are increased by an order of magnitude indicating a general insertion of TEs between genes. Overall, we show how TEs shaped the genome evolution of A. psidii and provide a greatly needed resource for strategic approaches to combat disease spread.
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