Nosema chrysorrhoeae n. sp. (Microsporidia), isolated from browntail moth (Euproctis chrysorrhoea L.) (Lepidoptera, Lymantriidae) in Bulgaria: Characterization and phylogenetic relationships

Miroslav Hyliš, Daniela K. Pilarska, Miroslav Oborník, Jiří Vávra, Leellen F. Solter, Jaroslav Weiser, Andreas Linde, Michael L. McManus

Research output: Contribution to journalArticlepeer-review

Abstract

A new microsporidian parasite Nosema chrysorrhoeae n. sp., isolated in Bulgaria from the browntail moth (Euproctis chrysorrhoea L.), is described. Its life cycle includes two sequential developmental cycles that are similar to the general developmental cycles of the Nosema-like microsporidia and are indistinguishable from those of two Nosema spp. from Lymantria dispar. The primary cycle takes place in the midgut tissues and produces binucleate primary spores. The secondary developmental cycle takes place exclusively in the silk glands and produces binucleate environmental spores. N. chrysorrhoeae is specific to the browntail moth. Phylogenetic analysis based on the ssu rRNA gene sequence places N. chrysorrhoeae in the Nosema/Vairimorpha clade, with the microsporidia from lymantriid and hymenopteran hosts. Partial sequences of the lsu rRNA gene and ITS of related species Nosema kovacevici (Purrini K., Weiser J., 1975. Natürliche Feinde des Goldafters, Euproctis chrysorrhoea L., im Gebiet von Kosovo, FSR Jugoslawien. Anzeiger fuer Schädlingskunde, Pflanzen-Umweltschutz, 48, 11-12), Nosema serbica Weiser, 1963 and Nosema sp. from Lymantria monacha was obtained and compared with N. chrysorrhoeae. The molecular data indicate the necessity of future taxonomic reevaluation of the genera Nosema and Vairimorpha.

Original languageEnglish (US)
Pages (from-to)105-114
Number of pages10
JournalJournal of Invertebrate Pathology
Volume91
Issue number2
DOIs
StatePublished - Feb 1 2006

Keywords

  • Euproctis chrysorrhoea
  • Microsporidia
  • Nosema chrysorrhoeae
  • Nosema kovacevici
  • Nosema serbica
  • Taxonomy
  • Ultrastructure
  • rDNA phylogeny

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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