Descriptions of Micromonospora grosourdyae nom. nov., Micromonospora sonchi comb. nov. and Micromonospora thawaii sp. nov. to resolve problems with the taxonomy and nomenclature of strains named Micromonospora endophytica

Lorena Carro*, Aharon Oren

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The name Micromonospora endophytica has been used for three different organisms. The first organism with this name is the species represented by strain DCWR9-8-2T, a species published in 2015 but whose name was never validated. In 2019 the type species of the genus Jishengella was reclassified into the genus Micromonospora, while maintaining its original epithet, thus establishing the second group of organisms known as M. endophytica, but the first for which the name was validated. Addition-ally, in 2018 the reclassification of the genus Verrucosispora into the genus Micromonospora was proposed, but a new epithet has not been specified for the species named Verrucosispora endophytica, which remains an orphaned species. Therefore, it is necessary to propose new names that can unequivocally identify these taxa. We have analysed the taxonomic position of the strains, comparing them with the species with valid published names of the genus Micromonospora. We here propose Micromonospora thawaii sp. nov. for the species represented by strain DCWR9-8-2T, and Micromonospora grosourdyae nom. nov. and Micromonospora sonchi comb. nov. for the two orphaned species of Verrucosispora, V. endophytica and Verrucosispora sonchi, respectively. Genomic analysis also showed that M. trujilloniae is a later heterotypic synonym of M. andamanensis.

Original languageAmerican English
Article number005628
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume72
Issue number12
DOIs
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2022 The Authors.

Keywords

  • Micromonospora
  • Micromonosporaceae
  • endophytic bacteria

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