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Phylogenetic and morphological assessment of two new species of Amniculicola and their allies (Pleosporales).

Zhang Y, Fournier J, Crous PW, Pointing SB, Hyde KD - Persoonia (2009)

Bottom Line: These six species, which are all from freshwater and mostly from Europe, constitute a well-supported group containing Pleospora rubicunda and Massariosphaeria typhicola.This putative monophyletic assemblage may represent an aquatic group in the Pleosporales.It is also pertinent that all five ascomycete taxa in this group stain their host substrates purple.

View Article: PubMed Central - PubMed

Affiliation: International Fungal Research & Development Centre, The Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming, Yunnan, PR China 650034.

ABSTRACT
Two new species of Amniculicola, A. immersa sp. nov. and A. parva sp. nov. from submerged wood in a freshwater environment in Denmark and France are respectively described and illustrated. In addition, partial 28S rDNA sequence data is analysed to investigate their phylogenetic relationships with other pleosporalean taxa. All presently known Amniculicola species, A. immersa, A. lignicola and A. parva, form a robust clade together with the anamorphic species Anguillospora longissima, Spirosphaera cupreorufescens and Repetophragma ontariense. These six species, which are all from freshwater and mostly from Europe, constitute a well-supported group containing Pleospora rubicunda and Massariosphaeria typhicola. This putative monophyletic assemblage may represent an aquatic group in the Pleosporales. It is also pertinent that all five ascomycete taxa in this group stain their host substrates purple.

No MeSH data available.


Maximum parsimony tree generated from partial 28S rDNA and with gaps as missing data. Designated outgroup is Diaporthe phaseolorum (AY346279). Bootstrap support values above 50 % (based on 1 000 replicates) are shown on nodes, and those lower than 50 % are marked as *. Newly generated sequences are marked as * on the right top corner of the GenBank accession numbers.
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Figure 4: Maximum parsimony tree generated from partial 28S rDNA and with gaps as missing data. Designated outgroup is Diaporthe phaseolorum (AY346279). Bootstrap support values above 50 % (based on 1 000 replicates) are shown on nodes, and those lower than 50 % are marked as *. Newly generated sequences are marked as * on the right top corner of the GenBank accession numbers.

Mentions: In total, 27 taxa (29 strains) are included in the phylogenetic analysis, with 26 taxa (28 strains) being pleosporalean taxa. In order to indicate the phylogenetic relationship of Amniculicola with other members of Pleosporales, species from 20 genera of Pleosporales are included, as well as morphologically comparable genera such as Lophiostoma, Lophiotrema and Massarina. Of the included taxa, 15 species are generic types. Of the 29 strains used here, 10 are type strains (34 %), and six (21 %) are verified strains (Fig. 4).


Phylogenetic and morphological assessment of two new species of Amniculicola and their allies (Pleosporales).

Zhang Y, Fournier J, Crous PW, Pointing SB, Hyde KD - Persoonia (2009)

Maximum parsimony tree generated from partial 28S rDNA and with gaps as missing data. Designated outgroup is Diaporthe phaseolorum (AY346279). Bootstrap support values above 50 % (based on 1 000 replicates) are shown on nodes, and those lower than 50 % are marked as *. Newly generated sequences are marked as * on the right top corner of the GenBank accession numbers.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2802726&req=5

Figure 4: Maximum parsimony tree generated from partial 28S rDNA and with gaps as missing data. Designated outgroup is Diaporthe phaseolorum (AY346279). Bootstrap support values above 50 % (based on 1 000 replicates) are shown on nodes, and those lower than 50 % are marked as *. Newly generated sequences are marked as * on the right top corner of the GenBank accession numbers.
Mentions: In total, 27 taxa (29 strains) are included in the phylogenetic analysis, with 26 taxa (28 strains) being pleosporalean taxa. In order to indicate the phylogenetic relationship of Amniculicola with other members of Pleosporales, species from 20 genera of Pleosporales are included, as well as morphologically comparable genera such as Lophiostoma, Lophiotrema and Massarina. Of the included taxa, 15 species are generic types. Of the 29 strains used here, 10 are type strains (34 %), and six (21 %) are verified strains (Fig. 4).

Bottom Line: These six species, which are all from freshwater and mostly from Europe, constitute a well-supported group containing Pleospora rubicunda and Massariosphaeria typhicola.This putative monophyletic assemblage may represent an aquatic group in the Pleosporales.It is also pertinent that all five ascomycete taxa in this group stain their host substrates purple.

View Article: PubMed Central - PubMed

Affiliation: International Fungal Research & Development Centre, The Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming, Yunnan, PR China 650034.

ABSTRACT
Two new species of Amniculicola, A. immersa sp. nov. and A. parva sp. nov. from submerged wood in a freshwater environment in Denmark and France are respectively described and illustrated. In addition, partial 28S rDNA sequence data is analysed to investigate their phylogenetic relationships with other pleosporalean taxa. All presently known Amniculicola species, A. immersa, A. lignicola and A. parva, form a robust clade together with the anamorphic species Anguillospora longissima, Spirosphaera cupreorufescens and Repetophragma ontariense. These six species, which are all from freshwater and mostly from Europe, constitute a well-supported group containing Pleospora rubicunda and Massariosphaeria typhicola. This putative monophyletic assemblage may represent an aquatic group in the Pleosporales. It is also pertinent that all five ascomycete taxa in this group stain their host substrates purple.

No MeSH data available.