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The genus Cladosporium and similar dematiaceous ... - CBS - KNAW

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Cladophialophora carrionii complex<br />

0.1<br />

99<br />

<strong>CBS</strong>102227<br />

<strong>CBS</strong>83496<br />

92<br />

94<br />

85<br />

<strong>CBS</strong>25983<br />

<strong>CBS</strong>45482<br />

100<br />

<strong>CBS</strong>117901<br />

<strong>CBS</strong>117891<br />

<strong>CBS</strong>117906<br />

<strong>CBS</strong>117892<br />

<strong>CBS</strong>114403<br />

<strong>CBS</strong>117899<br />

<strong>CBS</strong>114392<br />

<strong>CBS</strong>114393<br />

<strong>CBS</strong>41096<br />

<strong>CBS</strong>117903<br />

<strong>CBS</strong>114395<br />

<strong>CBS</strong>114398<br />

<strong>CBS</strong>114404<br />

<strong>CBS</strong>117900<br />

<strong>CBS</strong>117909<br />

dH16363<br />

<strong>CBS</strong>114399<br />

<strong>CBS</strong>117905<br />

<strong>CBS</strong>16654<br />

<strong>CBS</strong>114396<br />

<strong>CBS</strong>117904<br />

<strong>CBS</strong>114402<br />

<strong>CBS</strong>114397<br />

<strong>CBS</strong>85796<br />

<strong>CBS</strong>114394<br />

<strong>CBS</strong>86396<br />

<strong>CBS</strong>86196<br />

<strong>CBS</strong>16354<br />

<strong>CBS</strong>117896<br />

<strong>CBS</strong>85896<br />

<strong>CBS</strong>36270<br />

<strong>CBS</strong>26083<br />

<strong>CBS</strong>40696<br />

<strong>CBS</strong>100434<br />

<strong>CBS</strong>16054<br />

<strong>CBS</strong>114407<br />

<strong>CBS</strong>114405<br />

<strong>CBS</strong>114406<br />

dH14614<br />

K=5 K=4<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

unknown<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

unknown<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

Australia<br />

Venezuela<br />

Venezuela<br />

Mozambique<br />

Ug<strong>and</strong>a<br />

Australia<br />

Madagascar<br />

Australia<br />

Venezuela<br />

Venezuela<br />

Venezuela<br />

I<br />

II<br />

III<br />

Fig. 3. Phylogenetic tree (Neighbour-joining) of the C. carrionii complex based on EF1 (with grouping I–III) using the same strains of Fig. 1, generated using the HKY+G model.<br />

<strong>The</strong> model was calculated using ML in MrAic software. Bootstrap cut-off = 80 %. <strong>CBS</strong> 834.96 was taken as outgroup. Columns were generated with Structure software<br />

hypothesising K = 4 <strong>and</strong> K = 5, <strong>and</strong> alleles independent. Geographical origins in black refer to isolates from humans (chromoblastomycosis); origins in green refer to isolates<br />

from plant material.<br />

inoculation, <strong>and</strong> from the thorns directly adjacent to this area.<br />

Samples were rinsed with 4 % sodium hypochlorite for 3 min, <strong>and</strong><br />

subsequently washed in sterile distilled water for re-isolations, <strong>and</strong><br />

for histological study by means of light microscopy (Fernández-<br />

Zeppenfeldt et al. 1994).<br />

Experiments with spines of S. griseus<br />

Ninety cactus spines of 2.5 cm av. length were collected from<br />

a single S. griseus plant located near the home of the patient<br />

infected with <strong>CBS</strong> 114402, at approx. 2.5 m height, superficially<br />

sterilised, <strong>and</strong> divided into three groups, of which 30 spines were<br />

inoculated with <strong>CBS</strong> 114402 (C. carrionii), 30 with <strong>CBS</strong> 114405<br />

(Cladophialophora sp.) <strong>and</strong> 30 to be used as control, inoculated<br />

with a saline solution (Fig. 1D). A <strong>similar</strong> series composed of 90<br />

spines of 1.5 cm average length was collected at approx. 1 m<br />

height. All spines were incubated in sterile Petri dishes with filter<br />

paper (Whatman #1) with 2 mL saline solution; subsequently 0.1<br />

mL fungal suspension was applied. Twenty spines were analysed<br />

weekly by means of longitudinal sectioning with a h<strong>and</strong>-held<br />

microtome, cultured as above <strong>and</strong> observed microscopically until<br />

day 75 post incubation.<br />

www.studiesinmycology.org<br />

225

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