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Citation for Study 22639

Citation title: "Phylogeny and taxonomy of Podosphaera cerasi sp. nov., and Podosphaera prunicola s. lat.".

Study name: "Phylogeny and taxonomy of Podosphaera cerasi sp. nov., and Podosphaera prunicola s. lat.".

This study is part of submission 22639 (Status: Published).

Citation

Moparthi S., Bradshaw M., Pandey B., Braun U., Meeboon J., Latham S., Romberg M., & Grove G. 2018. Phylogeny and taxonomy of Podosphaera cerasi sp. nov., and Podosphaera prunicola s. lat. Mycological Progress, .

Authors

• Moparthi S.
• Bradshaw M.
• Pandey B.
• Braun U.
• Meeboon J. +81-90-4268-1901
• Latham S.
• Romberg M.
• Grove G.

Abstract

Powdery mildew of Prunus spp. is a significant disease in most? cherry growing regions of Washington (USA). Powdery mildew on Prunus virginiana and Prunus avium were previously assigned to Podosphaera clandestina s. lat. (= P. oxyacanthae) or P. prunicola. In this report, we confirm the presence of two distinct Podosphaera species of on these hosts, in Washington on Prunus virginiana and in California and Oregon on P. avium. Phylogenetic analyses of ITS and LSU sequences of rDNA regions for specimens on these two hosts confirmed the presence of two distinct species. A morphological comparison of these species with type material of Podosphaera prunicola and numerous additional collections, demonstrated that the powdery mildew on Prunus virginiana (including var. demissa and var. melanocarpa) is in fact P. prunicola. The application of the name P. prunicola by genetic analysis was determined by epitypification. Podosphaera prunicola, originally described in Wyoming, USA, has been introduced in Europe and was confirmed in this study? from the first European collection, a Prunus serotina specimen from Germany. The powdery mildew on Prunus avium is genetically, morphologically and biologically distinct from P. prunicola and and is described herein as Podosphaera cerasi sp. nov. Maximum parsimony analysis of sequences of the ITS region and part of the 28SrDNA of P. cerasi isolates showed a close evolutionary relationship with P. prunicola. Cross inoculation experiments confirmed that these two species are host specific. Podosphaera prunicola was unable to colonize Prunus avium while Podospahera cerasi was unable to colonize Prunus virginiana. Morphological re-examinations of numerous P. prunicola s. lat. specimens on a wide range of Prunus species suggest that P. prunicola is likely confined to species of Prunus subgen. Padus (= Prunus subgen. Cerasus sect. Laurocerasus, incl. sect. Padus), with Prunus virginiana as the principal host. Podosphaera cerasi, however, occurs on Prunus subgen. Cerasus species. Podosphaera specimens from various members of subgen. Prunus are morphologically similar to P. cerasi. Morphological deviations of these Podosphaera species from P. cerasi exist and suggest that additional, undescribed, Podosphaera species are hidden under P. prunicola s. lat. Future research should focus on molecular analyses of Podosphaera collections on a wider range of Prunus hosts. The present work includes the first documented and genetically proven European record of P. prunicola, on P. serotina and confirms the widespread occurrence in the US of a newly described species of powdery mildew on P. avium.

Keywords

Evolution, Taxonomy

External links

About this resource

• Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S22639
• Other versions: Nexus NeXML
• Show BibTeX reference

  		@ARTICLE{TreeBASE2Ref28395,
  	 author = {Swarnalatha   Moparthi and Michael   Bradshaw and Binod   Pandey and Uwe  Braun and Jamjan  Meeboon and Suzanne Rooney  Latham and Megan   Romberg and Gary   Grove},
  	 title = {Phylogeny and taxonomy of Podosphaera cerasi sp. nov., and Podosphaera prunicola s. lat.},
  	 year = {2018},
  	 keywords = {Evolution, Taxonomy},
  	 doi = {},
  	 url = {http://},
  	 pmid = {},
  	 journal = {Mycological Progress},
  	 volume = {},
  	 number = {},
  	 pages = {},
  	 abstract = {Powdery mildew of Prunus spp. is a significant disease in most? cherry growing regions of Washington (USA). Powdery mildew on Prunus virginiana and Prunus avium were previously assigned to Podosphaera clandestina s. lat. (= P. oxyacanthae) or P. prunicola. In this report, we confirm the presence of two distinct Podosphaera species of on these hosts, in Washington on Prunus virginiana and in California and Oregon on P. avium. Phylogenetic analyses of ITS and LSU sequences of rDNA regions for specimens on these two hosts confirmed the presence of two distinct species. A morphological comparison of these species with type material of Podosphaera prunicola and numerous additional collections, demonstrated that the powdery mildew on Prunus virginiana (including var. demissa and var. melanocarpa) is in fact P. prunicola. The application of the name P. prunicola by genetic analysis was determined by epitypification. Podosphaera prunicola, originally described in Wyoming, USA, has been introduced in Europe and was confirmed in this study? from the first European collection, a Prunus serotina specimen from Germany. The powdery mildew on Prunus avium is genetically, morphologically and biologically distinct from P. prunicola and and is described herein as Podosphaera cerasi sp. nov. Maximum parsimony analysis of sequences of the ITS region and part of the 28SrDNA of P. cerasi isolates showed a close evolutionary relationship with P. prunicola. Cross inoculation experiments confirmed that these two species are host specific.  Podosphaera prunicola was unable to colonize Prunus avium while Podospahera cerasi was unable to colonize Prunus virginiana. Morphological re-examinations of numerous P. prunicola s. lat. specimens on a wide range of Prunus species suggest that P. prunicola is likely confined to species of Prunus subgen. Padus (= Prunus subgen. Cerasus sect. Laurocerasus, incl. sect. Padus), with Prunus virginiana as the principal host. Podosphaera cerasi, however, occurs on Prunus subgen. Cerasus species. Podosphaera specimens from various members of subgen. Prunus are morphologically similar to P. cerasi. Morphological deviations of these Podosphaera species from P. cerasi exist and suggest that additional, undescribed, Podosphaera species are hidden under P. prunicola s. lat. Future research should focus on molecular analyses of Podosphaera collections on a wider range of Prunus hosts. The present work includes the first documented and genetically proven European record of P. prunicola, on P. serotina and confirms the widespread occurrence in the US of a newly described species of powdery mildew on P. avium. }
  }
  		

• Show RIS reference

  		TY  - JOUR
  ID  - 28395
  AU  - Moparthi,Swarnalatha  
  AU  - Bradshaw,Michael  
  AU  - Pandey,Binod  
  AU  - Braun,Uwe 
  AU  - Meeboon,Jamjan 
  AU  - Latham,Suzanne Rooney 
  AU  - Romberg,Megan  
  AU  - Grove,Gary  
  T1  - Phylogeny and taxonomy of Podosphaera cerasi sp. nov., and Podosphaera prunicola s. lat.
  PY  - 2018
  KW  - Evolution
  KW  - Taxonomy
  UR  - http://dx.doi.org/
  N2  - Powdery mildew of Prunus spp. is a significant disease in most? cherry growing regions of Washington (USA). Powdery mildew on Prunus virginiana and Prunus avium were previously assigned to Podosphaera clandestina s. lat. (= P. oxyacanthae) or P. prunicola. In this report, we confirm the presence of two distinct Podosphaera species of on these hosts, in Washington on Prunus virginiana and in California and Oregon on P. avium. Phylogenetic analyses of ITS and LSU sequences of rDNA regions for specimens on these two hosts confirmed the presence of two distinct species. A morphological comparison of these species with type material of Podosphaera prunicola and numerous additional collections, demonstrated that the powdery mildew on Prunus virginiana (including var. demissa and var. melanocarpa) is in fact P. prunicola. The application of the name P. prunicola by genetic analysis was determined by epitypification. Podosphaera prunicola, originally described in Wyoming, USA, has been introduced in Europe and was confirmed in this study? from the first European collection, a Prunus serotina specimen from Germany. The powdery mildew on Prunus avium is genetically, morphologically and biologically distinct from P. prunicola and and is described herein as Podosphaera cerasi sp. nov. Maximum parsimony analysis of sequences of the ITS region and part of the 28SrDNA of P. cerasi isolates showed a close evolutionary relationship with P. prunicola. Cross inoculation experiments confirmed that these two species are host specific.  Podosphaera prunicola was unable to colonize Prunus avium while Podospahera cerasi was unable to colonize Prunus virginiana. Morphological re-examinations of numerous P. prunicola s. lat. specimens on a wide range of Prunus species suggest that P. prunicola is likely confined to species of Prunus subgen. Padus (= Prunus subgen. Cerasus sect. Laurocerasus, incl. sect. Padus), with Prunus virginiana as the principal host. Podosphaera cerasi, however, occurs on Prunus subgen. Cerasus species. Podosphaera specimens from various members of subgen. Prunus are morphologically similar to P. cerasi. Morphological deviations of these Podosphaera species from P. cerasi exist and suggest that additional, undescribed, Podosphaera species are hidden under P. prunicola s. lat. Future research should focus on molecular analyses of Podosphaera collections on a wider range of Prunus hosts. The present work includes the first documented and genetically proven European record of P. prunicola, on P. serotina and confirms the widespread occurrence in the US of a newly described species of powdery mildew on P. avium. 
  L3  - 
  JF  - Mycological Progress
  VL  - 
  IS  - 
  ER  -