New endemic Fusarium species hitch-hiking with pathogenic Fusarium strains causing Panama disease in small-holder banana plots in Indonesia

Nani Maryani Martawi, Marcelo Sandoval-Denis, Lorenzo Lombard, P.W. Crous, G.H.J. Kema

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Abstract

Fusariumspecies are well known for their abundance, diversity and cosmopolitan life style. Many membersof the genus Fusarium are associated with plant hosts, either as plant pathogens, secondary invaders, saprotrophs, and/or endophytes. We previously studied the diversity of Fusarium species in the Fusarium oxysporum species complex (FOSC) associated with Fusarium wilt of banana in Indonesia. In that study, several Fusarium species not belonging to the FOSC were found to be associated with Fusarium wilt of banana. These Fusarium isolates belonged to three Fusarium species complexes, which included the Fusarium fujikuroispecies complex (FFSC), Fusarium incarnatum-equisetispecies complex (FIESC) andthe Fusarium sambucinumspecies complex (FSSC). Using a multi-gene phylogeny that included partial fragments of the beta-tubulin (tub),calmodulin (cmdA),translation elongation factor 1-alpha (tef1),the internal transcribed spacer region of the rDNA (ITS), the large subunit of the rDNA (LSU), plus the RNA polymerase II large subunit (rpb1) and second largest subunit (rpb2) genes, we were able to identify and characterise several of these as new Fusarium species in the respective species complexes identified in this study.
Original languageEnglish
Pages (from-to)48–69
JournalPersoonia
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Indonesia
  • new species
  • non-pathogenic
  • phylogeny
  • species complec

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