Evolution of nematode-trapping cells of predatory fungi of the Orbiliaceae based on evidence from rRNA-encoding DNA and multiprotein sequences

@article{Yang2007EvolutionON,
  title={Evolution of nematode-trapping cells of predatory fungi of the Orbiliaceae based on evidence from rRNA-encoding DNA and multiprotein sequences},
  author={Ying Yang and Ence Yang and Zhiqiang An and Xingzhong Liu},
  journal={Proceedings of the National Academy of Sciences},
  year={2007},
  volume={104},
  pages={8379 - 8384}
}
Among fungi, the basic life strategies are saprophytism, parasitism, and predation. Fungi in Orbiliaceae (Ascomycota) prey on animals by means of specialized trapping structures. Five types of trapping devices are recognized, but their evolutionary origins and divergence are not well understood. Based on comprehensive phylogenetic analysis of nucleotide sequences of three protein-coding genes (RNA polymerase II subunit gene, rpb2; elongation factor 1-α gene, ef1-α; and ß tubulin gene, bt) and… 

Figures and Tables from this paper

Comparative Analyses of Mitochondrial Genomes Provide Evolutionary Insights Into Nematode-Trapping Fungi
TLDR
Analysis of the mitogenomes of 12 fungal strains belonging to eight species indicated that mitochondrial and nuclear genomes evolved at different rates, and signals of positive selection were found in several genes involved in energy metabolism.
Genomic Mechanisms Accounting for the Adaptation to Parasitism in Nematode-Trapping Fungi
TLDR
It is shown, by genome sequencing of the knob-forming species Monacrosporium haptotylum and comparison with the net-formingspecies Arthrobotrys oligospora, that two genomic mechanisms are likely to have been important for the adaptation to parasitism in these fungi.
Drechslerella stenobrocha genome illustrates the mechanism of constricting rings and the origin of nematode predation in fungi
TLDR
The genome of D. stenobrocha provides support for the hypothesis that nematode trapping fungi evolved from saprophytic fungi in a high carbon and low nitrogen environment and reveals the transition between saprophagy and predation of these fungi and also proves new insights into the mechanisms of mechanical trapping.
Phylogenic analysis of adhesion related genes Mad1 revealed a positive selection for the evolution of trapping devices of nematode-trapping fungi
TLDR
This study cloned Mad1 homologous genes from nematode-trapping fungi with various trapping devices and suggested that species which formed nonadhesive constricting ring (CR) traps more basally placed and species with adhesive traps evolved along two lineages.
Genomic and Proteomic Analyses of the Fungus Arthrobotrys oligospora Provide Insights into Nematode-Trap Formation
TLDR
This study will facilitate the identification of pathogenicity-related genes and provide a broad foundation for understanding the molecular and evolutionary mechanisms underlying fungi-nematodes interactions.
Interspecific and host-related gene expression patterns in nematode-trapping fungi
TLDR
This is the first study on the variation of infection-related gene expression patterns in nematode-trapping fungi infecting different host species, and a better understanding of these patterns will facilitate the improvements of these fungi in biological control programs.
Nematode-Trapping Fungi.
TLDR
Nematode-trapping fungi serve as an excellent model system for understanding fungal evolution and interaction between fungi and nematodes.
PCR Primers with Enhanced Specificity for Nematode-Trapping Fungi (Orbiliales)
TLDR
Orbiliales-specific PCR primers for the ITS and 28s rDNA were developed to directly detect nematode-trapping fungi without culturing and also to screen fungal isolates for phylogenetic placement in the Orbiliales.
Origin and evolution of carnivorism in the Ascomycota (fungi)
TLDR
Five protein-encoding genes were used to construct the phylogeny of the carnivorous fungi in the phylum Ascomycota; these fungi prey on nematodes by means of specialized trapping structures such as constricting rings and adhesive traps and revealed a definitive pattern of evolutionary development for these trapping structures.
RNA-Seq reveals the molecular mechanism of trapping and killing of root-knot nematodes by nematode-trapping fungi
TLDR
The findings illustrate the molecular mechanism of fungal parasitism in A. conoides which may be helpful in developing a potential biocontrol agent against parasitic nematodes.
...
...

References

SHOWING 1-10 OF 62 REFERENCES
Phylogenetics and evolution of nematode-trapping fungi (Orbiliales) estimated from nuclear and protein coding genes.
TLDR
The systematic classification of nematode-trapping fungi is redefined based on phylogenies inferred from sequence analyses of 28S r DNA, 5.8S rDNA and beta-tubulin genes and a hypothesis for the evolution of trapping-devices is presented based on multiple gene data and morphological studies.
Phylogeny of nematode-trapping fungi based on 18S rDNA sequences.
The small subunit (SSU) ribosomal DNA (18S rDNA) from 15 species of nematode-trapping fungi and closely related non-parasitic species were sequenced. Phylogenetic analysis indicated that species
Phylogeny of the genus Arthrobotrys and allied nematode-trapping fungi based on rDNA sequences
TLDR
Phylogenetic analysis of rDNA of trapping fungi in this study indicated that trapping organs may reflect evolutionary relationship, and appear more significant than conidiogenous cells and conidia for genus and species delimitation.
The phylogeny of plant and animal pathogens in the Ascomycota
TLDR
The genes that code for some traits involved in pathogenicity or virulence have been cloned and characterized, and so the evolutionary relationships of a few of the genes for enzymes and toxins known to play roles in diseases were explored.
Archiascomycetes: detection of a major new lineage within the Ascomycota
For phylogenetic analysis of the higher fungi, we sequenced the nuclear small subunit rRNA (18S rRNA) gene fromTaphrina populina, the type species of the genusTaphrina, andProtomyces
Phylogenetic relationships among ascomycetes: evidence from an RNA polymerse II subunit.
TLDR
Findings show that a slowly evolving protein-coding gene such as RPB2 is useful for diagnosing phylogenetic relationships among fungi, and suggests that fruiting body formation and forcible discharge of ascospores were characters gained early in the evolution of the Ascomycota.
Multiple evolutionary origins of the fungus causing Panama disease of banana: concordant evidence from nuclear and mitochondrial gene genealogies.
TLDR
Testing whether lineages of the Panama disease pathogen have a monophyletic origin by comparing DNA sequences of nuclear and mitochondrial genes indicates Panama disease of banana is caused by fungi with independent evolutionary origins.
Ascomal evolution of filamentous ascomycetes: evidence from molecular data
TLDR
Well-supported clades, which correspond to groupings based on ascomal morphology, were resolved; however, the monophyly of the classes Hymenoascomycetes and Loculoascomytes was rejected and the placement of the root on the filamentous ascomyCete ingroup proved more problematic than resolving the ingroup relationships.
Body plan evolution of ascomycetes, as inferred from an RNA polymerase II phylogeny.
  • Yajuan J. Liu, B. Hall
  • Biology
    Proceedings of the National Academy of Sciences of the United States of America
  • 2004
TLDR
The RPB2 phylogeny shows with significant statistical support that taxa in Pezizomycotina with ascohymenial ontogeny (ascoma generally forms after nuclear pairing) are ancestral and paraphyletic, whereas ascolocular fungi with fissitunicate asci are a clade derived from them.
...
...