ArticleThe plant pathology journal2014
Analysis of in planta Expressed Orphan Genes in the Rice Blast Fungus Magnaporthe oryzae.
Article in The plant pathology journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Integrated taxonomy and genomic analysis of Marssonina zanthoxyli, the causal agent of prickly ash leaf defoliation.BMC genomics · 2026Article
- Article
- A deep learning approach for orphan gene identification in moso bamboo (Phyllostachys edulis) based on the CNN + Transformer model.BMC bioinformatics · 2022Article
- Genome-wide identification of F-box proteins in Macrophomina phaseolina and comparison with other fungus.Journal, genetic engineering & biotechnology · 2021Article
- Genomic Insights into the Rice Blast Fungus through Estimation of Gene Emergence Time in Phylogenetic Context.Mycobiology · 2018Article
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Authors and funding
6 authors.
Funding
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Abstract
Genomes contain a large number of unique genes which have not been found in other species. Although the origin of such "orphan" genes remains unclear, they are thought to be involved in species-specific adaptive processes. Here, we analyzed seven orphan genes (MoSPC1 to MoSPC7) prioritized based on in planta expressed sequence tag data in the rice blast fungus, Magnaporthe oryzae. Expression analysis using qRT-PCR confirmed the expression of four genes (MoSPC1, MoSPC2, MoSPC3 and MoSPC7) during plant infection. However, individual deletion mutants of these four genes did not differ from the wild-type strain for all phenotypes examined, including pathogenicity. The length, GC contents, codon adaptation index and expression during mycelial growth of the four genes suggest that these genes formed during the evolutionary history of M. oryzae. Synteny analyses using closely related fungal species corroborated the notion that these genes evolved de novo in the M. oryzae genome. In this report, we discuss our inability to detect phenotypic changes in the four deletion mutants. Based on these results, the four orphan genes may be products of de novo gene birth processes, and their adaptive potential is in the course of being tested for retention or extinction through natural selection.
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