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Citation for Study 10100

About Citation title: "Phylogenetic analyses of Japanese species of Phyllosticta sensu stricto".
About This study was previously identified under the legacy study ID S2464 (Status: Published).


Motohashi K., Inaba S., Anzai K., Takamatsu S., & Nakashima C. 2009. Phylogenetic analyses of Japanese species of Phyllosticta sensu stricto. Mycoscience, 50: 291-302.


  • Motohashi K.
  • Inaba S.
  • Anzai K.
  • Takamatsu S.
  • Nakashima C.


Although the genus concept of Phyllosticta s. str. (teleomorph: Guignardia) as defined by van der Aa is widely accepted, the species concept is still controversial as it is often based on the morphology on host plants. In this study, the culture characteristics within Phyllosticta s. str. were examined and phylogenetic relationships among Japanese species of Phyllosticta s. str. and its teleomorph Guignardia were analyzed using 18S rDNA sequences. Phyllosticta s. str. formed a monophyletic clade. ITS-28S rDNA sequences extracted from fungal cultures derived from various host plants were divided into two sub groups. The first group included cultures from a wide range of host plants and were mainly derived as endophytes from symptomless plant. In the second group, cultures from each host plant genus formed distinct clades. These were often isolated as leaf pathogens from diverse plants. Isolates belonging to the first lineage generally grew faster on oat meal agar. To classify species of Phyllosticta it is necessary to consider an integrated approach such as molecular phylogeny, host plant, colony growth, symptoms and morphological characteristics of the conidiomata.

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