Colletotrichum: complex species or species ... - CBS - KNAW

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Damm et al.Fig. 12. Colletotrichum karstii (from strain CBS 127597). A–B. Conidiomata. C. Tip of seta. D. Basis of seta. E–I. Conidiophores. J–N. Appressoria. O–P. Conidia. Q–R.Ascomata. S. Outer surface of peridium. T. Peridium in cross section. U. Ascospores. V–X. Asci. Y. Paraphyses. A, C–F, O. from Anthriscus stem. B, G–N, P–Y. from SNA. A–B,Q. DM, C–P, R–Y. DIC, Scale bars: A = 200 µm, B, Q = 100 µm, R = 50 µm, E, S = 10 µm. Scale bar of E applies to C–P. Scale bar of S applies to S–Y.24
The Colletotrichum boninense species complexFig. 13. Colletotrichum novae-zelandiae (from ex-holotype strain CBS 128505). A–B. Conidiomata. C–E. Conidiophores. F. Tip of seta. G. Basis of seta. H–J. Conidiophores.K–Q. Appressoria. R–S. Conidia. A, C–G, R. from Anthriscus stem. B, H–Q, S. from SNA. A–B. DM, C–S. DIC, Scale bars: A = 200 µm, C = 10 µm, L = 25 µm. Scale bar of Aapplies to A–B. Scale bar of C applies to C–J and R–S. Scale bar of L applies to K–Q.fruits (Tozze et al. 2010) were identified as C. karstii by GAPDHsequences (GenBank accessions FJ949450 and FJ949452, notincluded in phylogeny). ITS sequences of endophytic strains ofC. gloeosporioides “group 2” from Musa acuminata from Thailand(Photita et al. 2005) as well as C. boninense isolates from Perseaamericana from Mexico (Silva-Rojas & Ávila-Quezada 2011),Maytenus ilicifolia from Brazil (Pileggi et al. 2009) and Passiflorasp. in Florida, U.S.A. (Tarnowski & Ploetz 2010) are identical orsimilar to those of C. karstii (and C. phyllanthi).Sequence and morphological variability is high, withdifferences in conidium size and conidiomatal structures rangingfrom sporodochial to acervular to closed. This makes identificationdifficult if based on morphology alone. The conidia of C. karstii aresmaller than those of C. hippeastri and C. dracaenae, and broaderthan those of C. phyllanthi. The asci are shorter than those of C.brassicicola and C. dracaenae, and the shape of the ascosporesdiffers from C. boninense, being slightly wider and less tapered inthat species.Some strains have morphological features that are slightlydifferent from those of strain CBS 127597 described above. StrainCBS 129833 forms rather larger asci (190–220 × 140–170 µm)and brown, roundish closed conidiomata that open by irregularrupture, and covered with brown, verrucose to warted hairs/hyphae, 3–3.5 µm wide. In addition, the setae are more frequent,shorter (40–80 µm long) and broader at the base (5–7.5 µm diam).The appressoria are larger, measuring (5.5–)7.5–13(–17) × (4.5–)5.5–8.5(–10.5) µm, mean ± SD = 10.3 ± 2.6 × 7.1 ± 1.5 µm, L/Wratio = 1.4. This strain and CBS 111998 are also slower-growingthan the type; on SNA: 20–22.5 mm in 7 d (32–34.5 mm in 10d) and 20.5–22.5 mm in 7 d (30.5–31.5 mm in 10 d), and on OA:21.5–23.5 mm in 7 d (33.5–35 mm in 10 d) and 15.5–16.5 mm in 7d (25–27 mm in 10 d). There are some indications that CBS 129833is distinct phylogenetically from the main body of C. karstii strains,but the sequence differences are slight.Colletotrichum novae-zelandiae Damm, P.F. Cannon,Crous, P.R. Johnst. & B. Weir, sp. nov. MycoBank MB560742.Fig. 13.Etymology: Named after the country from which it was collected,New Zealand.Teleomorph not observed. Anamorph on SNA. Vegetative hyphae1.5–10 µm diam, hyaline, smooth-walled, septate, branched.Chlamydospores not observed. Conidiomata absent, conidiophoresformed directly from vegetative hyphae or from angular to roundish,hyaline, thick-walled cells, 3–8 µm diam. Setae not observed.Conidiophores hyaline, smooth-walled, septate, branched, to 50µm long. Conidiogenous cells hyaline, smooth-walled, cylindricalto more or less inflated, often extending to form new conidiogenousloci, making the conidiogenous cell appear catenate, sometimespolyphialidic, 4.5–20 × 4–6 µm, opening 1.5–2 µm diam, collarettewww.studiesinmycology.org25
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The Colletotrichum acutatum species
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Damm et al.µm diam. Setae not obse
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Damm et al.Table 2. Conidia measure
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Damm et al.Table 2. (Continued).Spe
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Damm et al.Table 3. Appressoria mea
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Damm et al.Fig. 25. Colletotrichum
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Damm et al.to olivaceous grey, filt
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Damm et al.are formed directly from
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Damm et al.Arx JA von (1957). Die A
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Damm et al.Masaba DM, Waller JM (19
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114
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Weir et al.grass-inhabiting species
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Weir et al.Table 1. A list of strai
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Weir et al.Table 1. (Continued).Spe
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Weir et al.Table 1. (Continued).Spe
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Weir et al.Table 2. Primers used in
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Weir et al.11ICMP 17789 Malus USA1I
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Weir et al.Kahawae cladeC. alataeC.
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Weir et al.A0.991ICMP 17905 Coffea
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Weir et al.Conidial width variation
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Weir et al.G. c.“f.sp. camelliae
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Weir et al.Fig. 10. Colletotrichum
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Weir et al.Fig. 18. Glomerella cing
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Weir et al.images under C. fructico
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Weir et al.Specimen examined: Thail
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Weir et al.Notes: First described f
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Weir et al.gossypii var. cephalospo
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Weir et al.to utilise either citrat
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Weir et al.(ex-epitype culture CBS
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Weir et al.of this species to C. ps
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Weir et al.Table 4. Performance of
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Weir et al.Crous PW, Gams W, Stalpe
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Weir et al.Simmonds JH (1968). Type
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Cannon et al.182
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Cannon et al.In rare instances, Col
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Cannon et al.Table 1. Summary of pr
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Cannon et al.Table 1. (Continued).P
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Cannon et al.Table 2. Colletotrichu
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Cannon et al.as did those for Colle
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Cannon et al.Table 3. Authentic seq
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Cannon et al.Table 3. (Continued).S
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Cannon et al.110.74 C. cuscutae IMI
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Cannon et al.Boninense cladeThe bon
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Cannon et al.C. lindemuthianum AB08
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Cannon et al.A further important ac
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Cannon et al.Hawksworth DL (2011).
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Cannon et al.Rodríguez-Guerra R, R
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Studies in MycologyStudies in Mycol
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CBS Biodiversity SeriesNo. 11:Taxon
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Studies in Mycology (ISSN 0166-0616
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Colletotrichum: complex species or species ... - CBS - KNAW

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