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2017 ; 38
(ä): 81-99
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Riding with the ants
#MMPMID29151628
Duarte APM
; Attili-Angelis D
; Baron NC
; Groenewald JZ
; Crous PW
; Pagnocca FC
Persoonia
2017[Jun]; 38
(ä): 81-99
PMID29151628
show ga
Isolates of Teratosphaeriaceae have frequently been found in the integument of
attine ants, proving to be common and diverse in this microenvironment. The LSU
phylogeny of the ant-isolated strains studied revealed that they cluster in two
main lineages. The first was associated with the genus Xenopenidiella whereas the
other represented two ant-isolated lineages sister to the taxa Penidiella
aggregata and P. drakensbergensis, which are allocated to the new genus
Penidiellomyces. The genus Penidiella is limited to the lineage containing P.
columbiana, which is not congeneric with Penidiellomyces or Penidiellopsis, nor
with Simplicidiella, a novel genus introduced here to accommodate a strain
isolated from ants. For species level analysis, the final 26 aligned sequences of
the ITS (498 characters), cmdA (389 characters), tef1 (342 characters) and tub2
(446 characters) gene regions lead to the introduction of six new species in
Xenopenidiella, and one in respectively Penidiellopsis and Simplicidiella. The
species described in this study were distinguished by the combination of
morphological and phylogenetic data. Novelties on the integument of leaf-cutting
ants from Brazil include: Penidiellopsis ramosus, Xenopenidiella clavata, X.
formica, X. inflata, X. laevigata, X. nigrescens, X. tarda spp. nov., and
Simplicidiella nigra gen. & sp. nov. Beta-tubulin is recommended as primary
barcode for the distinction of species in Penidiellopsis, whereas ITS was
sufficient to distinguish species of Xenopenidiella.
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