Multilocus phylogeny reveals an association of agriculturally important Fusarium solani species complex (FSSC) 11, and clinically important FSSC 5 and FSSC 3 + 4 with soybean roots in the north central United States

Chitrampalam, Periasamy; Nelson, Berlin D.

doi:10.1007/s10482-015-0636-7

Cited by 26 publications

(12 citation statements)

References 33 publications

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“…Notes -Diverse studies suggested that the different taxa here reduced to synonymy under N. phaseoli differ by biogeographical patterns, pathogenicity and morphology (Aoki et al 2003, 2012a, b, O'Donnell et al 2010. These variations are not mirrored in genus-wide phylogenetic studies using markers traditionally employed for this genus (Nalim et al 2011, Chitrampalam & Nelson 2016, Costa et al 2016, Dallé Rosa et al 2018. The phylogenetic results here showed that an internal phylogenetic structure does exist within the N. phaseoli clade (Fig.…”

Section: Neocosmospora Perseaementioning

confidence: 99%

“…Members of Neocosmospora (as the FSSC) have been traditionally classified in the asexual genus Fusarium, and characterised based on morphological features of the asexual morph, pathogenicity on specific hosts, and sexual or asexual compati bility (Matuo & Snyder 1973, Chitrampalam & Nelson 2016). However, the many different taxonomic schemes applied to this fungal group have led to a confused application of names as well as obscure synonymies.…”

Section: Species Concepts In Neocosmospora the Asexual-morph Dilemmamentioning

confidence: 99%

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Back to the roots: a reappraisal of Neocosmospora

2019

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The genus Neocosmospora (Fusarium solani species complex) contains saprobes, plant endophytes and pathogens of major economic significance as well as opportunistic animal pathogens. Advances in biological and phylogenetic species recognition revealed a rich species diversity which has largely remained understudied. Most of the currently recognised species lack formal descriptions and Latin names, while the taxonomic utility of old names is hampered by the lack of nomenclatural type specimens. Therefore, to stabilise the taxonomy and nomenclature of these important taxa, we examined type specimens and representative cultures of several old names by means of morphology and phylogenetic analyses based on rDNA (ITS and LSU), rpb2 and tef1 sequences. Sixty-eight species are accepted in Neocosmospora, 29 of them described herein as new; while 13 new combinations are made. Eleven additional phylogenetic species are recognized, but remain as yet undescribed. Lectotypes are proposed for eight species, seven species are epitypified and two species are neotypified. Notes on an additional 17 doubtful or excluded taxa are provided.

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Section: Neocosmospora Perseaementioning

confidence: 99%

Section: Species Concepts In Neocosmospora the Asexual-morph Dilemmamentioning

confidence: 99%

Back to the roots: a reappraisal of Neocosmospora

2019

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“…In a recent study, Fusarium sp. (FSSC 5)and F. falciforme(FSSC 3 + 4)were isolated from soybean roots 50) . In a case of Fusarium keratitis outbreak associated with contact lens use in the United States between 2004 and 2005, OʼDonnell et al concluded that patientsʼ bathroom sink drains represented a likely source of Fusarium infection 51) .…”

Section: )mentioning

confidence: 99%

Epidemiological Study of <I>Fusarium</I> Species Causing Invasive and Superficial Fusariosis in Japan

Muraosa

Oguchi

Yahiro

et al. 2017

Medical Mycology Journal

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In Japan, Fusarium species are known etiological agents of human fungal infection; however, there has been no report of a large-scale epidemiological study on the etiological agents of fusariosis. A total of 73 Fusarium isolates from patients with invasive fusariosis (IF, n= 36) or superficial fusariosis (SF, n= 37), which were obtained at hospitals located in 28 prefectures in Japan between 1998 and 2015, were used for this study. Fusarium isolates were identified using Fusarium- and Fusarium solani species complex (FSSC) -specific real-time PCR and partial DNA sequences of the elongation factor-1 alpha (EF-1α) gene and the nuclear ribosomal internal transcribed spacer (ITS) region. FSSC was predominately isolated from both patients with IF and SF (IF, 77.8% and SF, 67.6%). Distribution of the phylogenetic species of FSSC isolates from patients with IF and SF exhibited different spectra; specifically, F. keratoplasticum (FSSC 2) (25.0%) was the most frequent isolate from patients with IF, whereas F. falciforme (FSSC 3+4) (32.4%) was the most frequent isolate from patients with SF. Fusarium sp. (FSSC 5) was the second most frequent isolate from both patients with IF and SF (IF, 22.2% and SF, 24.3%). Notably, F. petroliphilum (FSSC 1) was isolated only from patients with IF. Each species was isolated from a broad geographic area, and an epidemic was not observed. This is the first epidemiological study of Fusarium species causing IF and SF in Japan.

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“…A first phylogenetic analysis was carried out using RPB2 sequences in order to assess the isolate distribution on the different species complexes of Fusarium and fusarium-like genera. To establish the identity of the isolates to the species level, different phylogenetic analyses were conducted first individually for each locus and then as multilocus sequence analyses using the following loci combinations: CAM , EF-1α , ITS, RPB1 , RPB2 and TUB for members of the Fusarium fujikuroi species complex (FFSC) ( O’Donnell et al 2000 , Edwards et al 2016 ); RPB1 , RPB2 and TUB , for members of the Fusarium lateritium species complex (FLSC); EF-1α , ITS, LSU, RPB1 and RPB2 for isolates related with the Fusarium tricinctum species complex (FTSC); and lastly EF-1α , ITS, LSU and RPB2 for isolates belonging to Neocosmospora (formerly known as the Fusarium solani species complex, FSSC) ( O’Donnell et al 2008 , Lombard et al 2015 , Chitrampalam & Nelson 2016 ). Isolates belonging to the FOSC were characterised based on their haplotype distribution using a two-locus dataset that included EF-1α and IGS sequences following the procedures and alignments of O’Donnell et al (2009a) .…”

Section: Methodsmentioning

confidence: 99%

Symptomatic Citrus trees reveal a new pathogenic lineage in Fusarium and two new Neocosmospora species

Sandoval-Denis¹,

Guarnaccia²,

Polizzi³

et al. 2018

persoonia

111

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The diversity of fusaria in symptomatic Citrus trees in Greece, Italy and Spain was evaluated using morphological and molecular multi-locus analyses based on fragments of the calmodulin (CAM), intergenic spacer region of the rDNA (IGS), internal transcribed spacer region of the rDNA (ITS), large subunit of the rDNA (LSU), RNA polymerase largest subunit (RPB1), RNA polymerase second largest subunit (RPB2), translation elongation factor 1-alpha (EF-1α) and beta-tubulin (TUB) genes. A total of 11 species (six Fusarium spp., and five Neocosmospora spp.) were isolated from dry root rot, crown, trunk or twig canker or twig dieback of citrus trees. The most commonly isolated species were Fusarium sarcochroum, F. oxysporum and Neocosmospora solani. Three new Fusarium species are described, i.e., F. citricola and F. salinense belonging to the newly described F. citricola species complex; and F. siculi belonging to the F. fujikuroi species complex. Results of pathogenicity tests showed this new complex to include prominent canker causing agents affecting several Citrus spp. In addition, two new species are described in Neocosmospora, named N. croci and N. macrospora, the latter species being clearly differentiated from most members of this genus by producing large, up to nine-septate sporodochial conidia.

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Multilocus phylogeny reveals an association of agriculturally important Fusarium solani species complex (FSSC) 11, and clinically important FSSC 5 and FSSC 3 + 4 with soybean roots in the north central United States

Cited by 26 publications

References 33 publications

Back to the roots: a reappraisal of Neocosmospora

Back to the roots: a reappraisal of Neocosmospora

Epidemiological Study of <I>Fusarium</I> Species Causing Invasive and Superficial Fusariosis in Japan

Symptomatic Citrus trees reveal a new pathogenic lineage in Fusarium and two new Neocosmospora species

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