The Colletotrichum boninense species complex

U. Damm, P.F. Cannon, J.H.C. Woudenberg, P.R. Johnston, B.S. Weir, Y.P. Tan, R.G. Shivas, P.W. Crous

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170 Citations (Scopus)

Abstract

Although only recently described, Colletotrichum boninense is well established in literature as an anthracnose pathogen or endophyte of a diverse range of host plants worldwide. It is especially prominent on members of Amaryllidaceae, Orchidaceae, Proteaceae and Solanaceae. Reports from literature and preliminary studies using ITS sequence data indicated that C. boninense represents a species complex. A multilocus molecular phylogenetic analysis (ITS, ACT, TUB2, CHS-1, GAPDH, HIS3, CAL) of 86 strains previously identified as C. boninense and other related strains revealed 18 clades. These clades are recognised here as separate species, including C. boninense s. str., C. hippeastri, C. karstii and 12 previously undescribed species, C. annellatum, C. beeveri, C. brassicicola, C. brasiliense, C. colombiense, C. constrictum, C. cymbidiicola, C. dacrycarpi, C. novae-zelandiae, C. oncidii, C. parsonsiae and C. torulosum. Seven of the new species are only known from New Zealand, perhaps reflecting a sampling bias. The new combination C. phyllanthi was made, and C. dracaenae Petch was epitypified and the name replaced with C. petchii. Typical for species of the C. boninense species complex are the conidiogenous cells with rather prominent periclinal thickening that also sometimes extend to form a new conidiogenous locus or annellations as well as conidia that have a prominent basal scar. Many species in the C. boninense complex form teleomorphs in culture.
Original languageEnglish
Pages (from-to)1-36
JournalStudies in Mycology
Volume73
DOIs
Publication statusPublished - 2012

Keywords

  • 1st report
  • glomerella-acutata
  • primer sets
  • sp-nov
  • anthracnose
  • identification
  • diversity
  • teleomorph
  • gloeosporioides
  • compatibility

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    Damm, U., Cannon, P. F., Woudenberg, J. H. C., Johnston, P. R., Weir, B. S., Tan, Y. P., ... Crous, P. W. (2012). The Colletotrichum boninense species complex. Studies in Mycology, 73, 1-36. https://doi.org/10.3114/sim0002