The Colletotrichum acutatum species complex

By Ulrike Damm, P. Cannon, J. Woudenberg, P. W. Crous. Studies in Mycology, 2012

695 citations recorded by the source corpus.

Colletotrichum acutatum is known as an important anthracnose pathogen of a wide range of host plants worldwide. Numerous studies have reported subgroups within the C. acutatum species complex. Multilocus molecular phylogenetic analysis (ITS, ACT, TUB2, CHS-1, GAPDH, HIS3) of 331 strains previously identified as C. acutatum and other related taxa, including strains from numerous hosts with wide geographic distributions, confirmed the molecular groups previously recognised and identified a series of novel taxa. Thirty-one species are accepted, of which 21 have not previously been recognised. Colletotrichum orchidophilum clusters basal to the C. acutatum species complex. There is a high phenotypic diversity within this complex, and some of the species appear to have preferences to specific hosts or geographical regions. Others appear to be plurivorous and are present in multiple regions. In this study, only C. salicis and C. rhombiforme formed sexual morphs in culture, although sexual morphs have been described from other taxa (especially as laboratory crosses), and there is evidence of hybridisation between different species. One species with similar morphology to C. acutatum but not belonging to this species complex was also described here as new, namely C. pseudoacutatum. Taxonomic novelties: New combinations - Colletotrichum limetticola (R.E. Clausen) Damm, P.F. Cannon & Crous, C. lupini (Bondar) Damm, P.F. Cannon & Crous, C. salicis (Fuckel) Damm, P.F. Cannon & Crous. New species - C. acerbum Damm, P.F. Cannon & Crous, C. australe Damm, P.F. Cannon & Crous, C. brisbanense Damm, P.F. Cannon & Crous, C. cosmi Damm, P.F. Cannon & Crous, C. costaricense Damm, P.F. Cannon & Crous, C. cuscutae Damm, P.F. Cannon & Crous, C. guajavae Damm, P.F. Cannon & Crous, C. indonesiense Damm, P.F. Cannon & Crous, C. johnstonii Damm, P.F. Cannon & Crous, C. kinghornii Damm, P.F. Cannon & Crous, C. laticiphilum Damm, P.F. Cannon & Crous, C. melonis Damm, P.F. Cannon & Crous, C. orchidophilum Damm, P.F. Cannon & Crous, C. paxtonii Damm, P.F. Cannon & Crous, C. pseudoacutatum Damm, P.F. Cannon & Crous C. pyricola Damm, P.F. Cannon & Crous, C. rhombiforme Damm, P.F. Cannon & Crous, C. scovillei Damm, P.F. Cannon & Crous, C. sloanei Damm, P.F. Cannon & Crous, C. tamarilloi Damm, P.F. Cannon & Crous, C. walleri Damm, P.F. Cannon & Crous. Typifications: Epitypifications - C. acutatum J.H. Simmonds, C. limetticola (R.E. Clausen) Damm, P.F. Cannon & Crous, C. nymphaeae (Pass.) Aa, C. phormii (Henn.) D.F. Farr & Rossman, C. salicis (Fuckel) Damm, P.F. Cannon & Crous. Lectotypifications - C. nymphaeae (Pass.) Aa, C. orchidearum Allesch.

Subfields: Cell Biology, Ecology, Evolution, Behavior and Systematics

View Paper: https://www.semanticscholar.org/paper/00f9b6ade7c0bf70734cf661dc5356cecb08314f

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Citations in the corpus

Species of the Colletotrichum gloeosporioides and C. boninense complexes associated with olive anthracnose (2014, methodology): “…complex can be identified using the ITS regions (Weir et al., 2012), whereas the fragment of the TUB2 gene amplified in the present study, comprising a region between exons 2 and 6, is amongst the most effective at distinguishing single species (Damm et al., 2012b; Weir et al., 2012).”
Endophytic species of Colletotrichum associated with mango in northeastern Brazil (2014, background): “Table 3 (continued) Species Culture accession No. 1 Host Location Apn2/MAT IGS C. quuenslandicum ICMP 1778 Carica papaya Australia KC888928 C. salsolae ICMP 19051 Salsola tragus Hungary KC888925 C. siamense s. s. BPDI 2 Coffea arabica Thailand FR718813 ICMP 18578* Coffea arabica Thailand JQ899289 LC”
Colletotrichum species associated with cultivated citrus in China (2013, background): “…adoption of these polyphasic protocols for studying the genus Colletotrichum, especially the use of multi-gene phylogenetic analysis, the classification and species concepts in Colletotrichum changed significantly (Cai et al. 2009; Cannon et al. 2012; Damm et al. 2012a, b; Weir et al. 2012).”
Life styles of Colletotrichum species and implications for plant biosecurity (2017, background): “…species within the acutatum complex that cause anthracnose fruit rot in California and the Northern hemisphere are still absent from Chile, Estonia and Scotland; and have restricted distributions in several other countries (Sreenivasaprasad and Talhinhas, 2005, Damm et al., 2012b, CABI, 2016).”
Fungal diversity notes 603–708: taxonomic and phylogenetic notes on genera and species (2017, background): “Colletotrichum fioriniae was described from a scale insect, Fiorinia externa and has been also recorded as a pathogen on Persea americana, as well as an endophyte from Mangifera indica (Damm et al. 2012).”
Notes for genera: Ascomycota (2017, background): “Phylogenetic affiliations and taxonomic placements of a large number of genera are being clarified, and at the same time species complexes and generic circumscriptions are being resolved (Damm et al. 2012a, b; 2013; Choi et al. 2013a; Giraud et al. 2013; Nilsson et al. 2014; Udayanga et al. 2014a).”
Diversity of Colletotrichum Species Associated with Anthracnose Disease in Tropical Fruit Crops—A Review (2021, background): “However, more recent phylogenetic analysis established that these two species belong to two complexes called “acutatum” and “gloeosporioides”, with several other species included within them [12,13].”
Colletotrichum – current status and future directions (2012, methodology): “There are also well-documented cases of Colletotrichum living as endophytes and disease agents of conifers (Dingley & Gilmour 1972, Wang et al. 2008, Joshee et al. 2009, Damm et al .”
One stop shop: backbones trees for important phytopathogenic genera: I (2014) (2014, neutral): “( 2012 ) , and Damm et al .”
Notes on currently accepted species of Colletotrichum (2016, neutral): “73: 94 (2012) This species is known only from New Zealand causing fruit rot of Pyrus communis (Damm et al. 2012b).”
The Colletotrichum gloeosporioides species complex (2012, background): “Hard copy: September 2012.”
Colletotrichum species associated with chili anthracnose in Australia (2017, methodology): “acutatum from almost all chili-growing countries, including China, India, Korea, New Zealand, Sri Lanka, Thailand, the USA and Indonesia (Simmonds, 1968; Harp et al., 2008; Than et al., 2008; Damm et al., 2012); and C.”