Sizing up septoria

W. Quaedvlieg, G. J M Verkley, Hyeon-Dong Shin, R. W. Barreto, A. C. Alfenas, W. J. Swart, J. Z. Groenewald, Pedro W. Crous

Research output: Contribution to journalArticle

145 Citations (Scopus)

Abstract

Septoria represents a genus of plant pathogenic fungi with a wide geographic distribution, commonly associated with leaf spots and stem cankers of a broad range of plant hosts. A major aim of this study was to resolve the phylogenetic generic limits of Septoria, Stagonospora, and other related genera such as Sphaerulina, Phaeosphaeria and Phaeoseptoria using sequences of the the partial 28S nuclear ribosomal RNA and RPB2 genes of a large set of isolates. Based on these results Septoria is shown to be a distinct genus in the Mycosphaerellaceae, which has mycosphaerella-like sexual morphs. Several septoria-like species are now accommodated in Sphaerulina, a genus previously linked to this complex. Phaeosphaeria (based on P. oryzae) is shown to be congeneric with Phaeoseptoria (based on P. papayae), which is reduced to synonymy under the former. Depazea nodorum (causal agent of nodorum blotch of cereals) and Septoria avenae (causal agent of avenae blotch of barley and rye) are placed in a new genus, Parastagonospora, which is shown to be distinct from Stagonospora (based on S. paludosa) and Phaeosphaeria. Partial nucleotide sequence data for five gene loci, ITS, LSU, EF-1a, RPB2 and Btub were generated for all of these isolates. A total of 47 clades or genera were resolved, leading to the introduction of 14 new genera, 36 new species, and 19 new combinations.

Original languageEnglish
Pages (from-to)307-390
Number of pages84
JournalStudies in Mycology
Volume75
DOIs
Publication statusPublished - 2013 Jun 1
Externally publishedYes

Fingerprint

Septoria
Phaeosphaeria
Sphaerulina
Stagonospora
Leptosphaeria avenaria
new genus
Mycosphaerellaceae
leaf spot
stem cankers
Mycosphaerella
Oryza
plant pathogenic fungi
morphs
rye
new combination
geographical distribution
genes
host plants
barley
ribosomal RNA

Keywords

  • Capnodiales
  • Multi-Locus Sequence Typing (MLST)
  • Mycosphaerella
  • Mycosphaerellaceae
  • Phaeoseptoria
  • Phaeosphaeria
  • Phaeosphaeriaceae
  • Pleosporales
  • Septoria
  • Sphaerulina
  • Stagonospora
  • systematics.

ASJC Scopus subject areas

  • Plant Science

Cite this

Quaedvlieg, W., Verkley, G. J. M., Shin, H-D., Barreto, R. W., Alfenas, A. C., Swart, W. J., ... Crous, P. W. (2013). Sizing up septoria. Studies in Mycology, 75, 307-390. https://doi.org/10.3114/sim0017

Sizing up septoria. / Quaedvlieg, W.; Verkley, G. J M; Shin, Hyeon-Dong; Barreto, R. W.; Alfenas, A. C.; Swart, W. J.; Groenewald, J. Z.; Crous, Pedro W.

In: Studies in Mycology, Vol. 75, 01.06.2013, p. 307-390.

Research output: Contribution to journalArticle

Quaedvlieg, W, Verkley, GJM, Shin, H-D, Barreto, RW, Alfenas, AC, Swart, WJ, Groenewald, JZ & Crous, PW 2013, 'Sizing up septoria', Studies in Mycology, vol. 75, pp. 307-390. https://doi.org/10.3114/sim0017
Quaedvlieg W, Verkley GJM, Shin H-D, Barreto RW, Alfenas AC, Swart WJ et al. Sizing up septoria. Studies in Mycology. 2013 Jun 1;75:307-390. https://doi.org/10.3114/sim0017
Quaedvlieg, W. ; Verkley, G. J M ; Shin, Hyeon-Dong ; Barreto, R. W. ; Alfenas, A. C. ; Swart, W. J. ; Groenewald, J. Z. ; Crous, Pedro W. / Sizing up septoria. In: Studies in Mycology. 2013 ; Vol. 75. pp. 307-390.
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