Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass

Salgado-Salazar, Catalina; Beirn, Lisa A.; Ismaiel, Adnan; Boehm, Michael J.; Carbone, Ignazio; Putman, Alexander I.; Tredway, Lane P.; Clarke, Bruce B.; Crouch, Jo Anne

doi:10.1016/j.funbio.2018.04.004

Title: Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass

Abstract

Dollar spot is one of the most destructive and economically important fungal diseases of amenity turfgrasses. The causal agent was first described in 1937 as the ascomycete Sclerotinia homoeocarpa. However, the genus-level taxonomic placement of this fungus has been the subject of an ongoing debate for over 75 y. Existing morphological and rDNA sequence evidence indicates that this organism is more appropriately placed in the family Rutstroemiaceae rather than the Sclerotiniaceae. Here we use DNA sequence data from samples of the dollar spot fungus and other members of the Rutstroemiaceae (e.g. Rutstroemia, Lanzia, Lambertella) collected throughout the world to determine the generic identity of the turfgrass dollar spot pathogen. Phylogenetic evidence from three nucleotide sequence markers (CaM, ITS and Mcm7; 1810-bp) confirmed that S. homoeocarpa is not a species of Sclerotinia; nor is it a member of any known genus in the Rutstroemiaceae. These data support the establishment of a new genus, which we describe here as Clarireedia gen. nov. The type species for the genus, Clarireedia homoeocarpa comb. nov., is described to accommodate the dollar spot fungus, and a neotype is designated. Three new species in this clade, Clarireedia bennettii sp. nov., Clarireedia jacksonii sp. nov., and Clarireedia monteithianamore »« less

Authors:

; Beirn, Lisa A.; Ismaiel, Adnan; Boehm, Michael J.; Carbone, Ignazio; Putman, Alexander I.; Tredway, Lane P.; Clarke, Bruce B.; Crouch, Jo Anne

Publication Date:: Wed Aug 01 00:00:00 EDT 2018

Research Org.:: Oak Ridge Inst. for Science and Education (ORISE), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1548458

Alternate Identifier(s):: OSTI ID: 1580734

Grant/Contract Number:: AC05-06OR23100; 8042-22000-279-00D

Resource Type:: Published Article

Journal Name:: Fungal Biology

Additional Journal Information:: Journal Name: Fungal Biology Journal Volume: 122 Journal Issue: 8; Journal ID: ISSN 1878-6146

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 59 BASIC BIOLOGICAL SCIENCES; Ascomycota; Leotiomycetes; Molecular phylogenetics; Rutstroemia; Sclerotinia

Citation Formats


                    Salgado-Salazar, Catalina, Beirn, Lisa A., Ismaiel, Adnan, Boehm, Michael J., Carbone, Ignazio, Putman, Alexander I., Tredway, Lane P., Clarke, Bruce B., and Crouch, Jo Anne. Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass.  Netherlands: N. p., 2018. 
Web.  doi:10.1016/j.funbio.2018.04.004.

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                    Salgado-Salazar, Catalina, Beirn, Lisa A., Ismaiel, Adnan, Boehm, Michael J., Carbone, Ignazio, Putman, Alexander I., Tredway, Lane P., Clarke, Bruce B., & Crouch, Jo Anne. Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass.  Netherlands.  https://doi.org/10.1016/j.funbio.2018.04.004

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                    Salgado-Salazar, Catalina, Beirn, Lisa A., Ismaiel, Adnan, Boehm, Michael J., Carbone, Ignazio, Putman, Alexander I., Tredway, Lane P., Clarke, Bruce B., and Crouch, Jo Anne. Wed .  
"Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass".  Netherlands.  https://doi.org/10.1016/j.funbio.2018.04.004.

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@article{osti_1548458,

  title        = {Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass},

  author       = {Salgado-Salazar, Catalina and Beirn, Lisa A. and Ismaiel, Adnan and Boehm, Michael J. and Carbone, Ignazio and Putman, Alexander I. and Tredway, Lane P. and Clarke, Bruce B. and Crouch, Jo Anne},

  abstractNote = {Dollar spot is one of the most destructive and economically important fungal diseases of amenity turfgrasses. The causal agent was first described in 1937 as the ascomycete Sclerotinia homoeocarpa. However, the genus-level taxonomic placement of this fungus has been the subject of an ongoing debate for over 75 y. Existing morphological and rDNA sequence evidence indicates that this organism is more appropriately placed in the family Rutstroemiaceae rather than the Sclerotiniaceae. Here we use DNA sequence data from samples of the dollar spot fungus and other members of the Rutstroemiaceae (e.g. Rutstroemia, Lanzia, Lambertella) collected throughout the world to determine the generic identity of the turfgrass dollar spot pathogen. Phylogenetic evidence from three nucleotide sequence markers (CaM, ITS and Mcm7; 1810-bp) confirmed that S. homoeocarpa is not a species of Sclerotinia; nor is it a member of any known genus in the Rutstroemiaceae. These data support the establishment of a new genus, which we describe here as Clarireedia gen. nov. The type species for the genus, Clarireedia homoeocarpa comb. nov., is described to accommodate the dollar spot fungus, and a neotype is designated. Three new species in this clade, Clarireedia bennettii sp. nov., Clarireedia jacksonii sp. nov., and Clarireedia monteithiana sp. nov. that also cause dollar spot disease are described. Clarireedia homoeocarpa and C. bennettii occur primarily on Festuca rubra (C3 grass) hosts and appear to be restricted to the United Kingdom. Clarireedia jacksonii and C. monteithiana occur on a variety of C3 and C4 grass hosts, respectively, and appear to be globally distributed. This resolved taxonomy puts to rest a major controversy amongst plant pathologists and provides a foundation for better understanding the nature and biology of these destructive pathogens.},

  doi          = {10.1016/j.funbio.2018.04.004},

  journal      = {Fungal Biology},

  number       = 8,

  volume       = 122,

  place        = {Netherlands},

  year         = {Wed Aug 01 00:00:00 EDT 2018},

  month        = {Wed Aug 01 00:00:00 EDT 2018}

}

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A new dollar spot disease of turfgrass caused by Clarireedia paspali
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Similar Records

Title: Clarireedia: A new fungal genus comprising four pathogenic species responsible for dollar spot disease of turfgrass

Abstract

Citation Formats

A new dollar spot disease of turfgrass caused by Clarireedia paspali journal, November 2019

Chlorothalonil biotransformation by cytochrome P450 monooxygenases in Sclerotinia homoeocarpa journal, September 2018

Poacic acid suppresses dollar spot and snow mould in amenity turfgrass journal, November 2019

A new dollar spot disease of turfgrass caused by Clarireedia paspali
journal, November 2019

Chlorothalonil biotransformation by cytochrome P450 monooxygenases in Sclerotinia homoeocarpa
journal, September 2018

Poacic acid suppresses dollar spot and snow mould in amenity turfgrass
journal, November 2019