ArticlePloS one2013
Mating type gene homologues and putative sex pheromone-sensing pathway in arbuscular mycorrhizal fungi, a presumably asexual plant root symbiont.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 47 citations in OpenAlex.
- The 3D genome of Gigaspora margarita unveils stable chromatin and nucleolar organization and symbiont-dependent genome dynamics.The New phytologist · 2026Article
- Analyses of Transposable Elements in Arbuscular Mycorrhizal Fungi Support Evolutionary Parallels With Filamentous Plant Pathogens.Genome biology and evolution · 2025Article
- Article
- Sequencing the Genomes of the First Terrestrial Fungal Lineages: What Have We Learned?Microorganisms · 2023Review
- Regulation of mating genes during arbuscular mycorrhizal isolate co-existence-where is the evidence?The ISME journal · 2021Article
- Coexistence of genetically different Rhizophagus irregularis isolates induces genes involved in a putative fungal mating response.The ISME journal · 2020Article
- More Filtering on SNP Calling Does Not Remove Evidence of Inter-Nucleus Recombination in Dikaryotic Arbuscular Mycorrhizal Fungi.Frontiers in plant science · 2020Article
- Identification of new signalling peptides through a genome-wide survey of 250 fungal secretomes.BMC genomics · 2019Article
- Conserved Proteins of the RNA Interference System in the Arbuscular Mycorrhizal Fungus Rhizoglomus irregulare Provide New Insight into the Evolutionary History of Glomeromycota.Genome biology and evolution · 2018Article
- Fungal Sex: The Mucoromycota.Microbiology spectrum · 2017Review
- The large (134.9 kb) mitochondrial genome of the glomeromycete Funneliformis mosseae.Mycorrhiza · 2016Article
- Article
- Evidence for the sexual origin of heterokaryosis in arbuscular mycorrhizal fungi.Nature microbiology · 2016Article
- Independent mitochondrial and nuclear exchanges arising in Rhizophagus irregularis crossed-isolates support the presence of a mitochondrial segregation mechanism.BMC microbiology · 2016Article
- The mitochondrial genome of the glomeromycete Rhizophagus sp. DAOM 213198 reveals an unusual organization consisting of two circular chromosomes.Genome biology and evolution · 2014Article
- Easy access to a cyclic key intermediate for the synthesis of trisporic acids and related compounds.Molecules (Basel, Switzerland) · 2014Article
- Expanding genomics of mycorrhizal symbiosis.Frontiers in microbiology · 2014Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The fungal kingdom displays a fascinating diversity of sex-determination systems. Recent advances in genomics provide insights into the molecular mechanisms of sex, mating type determination, and evolution of sexual reproduction in many fungal species in both ancient and modern phylogenetic lineages. All major fungal groups have evolved sexual differentiation and recombination pathways. However, sexuality is unknown in arbuscular mycorrhizal fungi (AMF) of the phylum Glomeromycota, an ecologically vital group of obligate plant root symbionts. AMF are commonly considered an ancient asexual lineage dating back to the Ordovician, approximately 460 M years ago. In this study, we used genomic and transcriptomic surveys of several AMF species to demonstrate the presence of conserved putative sex pheromone-sensing mitogen-activated protein (MAP) kinases, comparable to those described in Ascomycota and Basidiomycota. We also find genes for high mobility group (HMG) transcription factors, homologous to SexM and SexP genes in the Mucorales. The SexM genes show a remarkable sequence diversity among multiple copies in the genome, while only a single SexP sequence was detected in some isolates of Rhizophagus irregularis. In the Mucorales and Microsporidia, the sexM gene is flanked by genes for a triosephosphate transporter (TPT) and a RNA helicase, but we find no evidence for synteny in the vicinity of the Sex locus in AMF. Nonetheless, our results, together with previous observations on meiotic machinery, suggest that AMF could undergo a complete sexual reproduction cycle.
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