Phylogenetic relationships among members of the Fusarium solani species complex in human infections and the descriptions of F. keratoplasticum sp. nov. and F. petroliphilum stat. nov.

Short, Dylan P. G.; O’Donnell, Kerry; Thrane, Ulf; Nielsen, Kristian Fog; Zhang, Ning; Juba, Jean H.; Geiser, David M.

doi:10.1016/j.fgb.2013.01.004

Cited by 150 publications

(159 citation statements)

References 45 publications

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“…The optimum temperature for growth of Fusarium ershadii is 28-30°C, this temperature varies little in the described clades of FSSC (Short et al 2013). Besides, growth rate studies on a pH gradient of showed that Fusarium ershadii can grow well in pH values between 3.5 and 8.5.…”

Section: Discussionmentioning

confidence: 99%

“…F. keratoplasticum and F. petroliphilum have also been described with such chlamydospores (Short et al 2013). No sporodichia were detected to compare the morphology of sporodochial conidia of Fusarium ershadii to the other members of FSSC.…”

Section: Discussionmentioning

confidence: 99%

“…Examples are the recent description of Fusarium petroliphilum (FSSC clade-1) and F. keratoplasticum (FSSC clade −2) (Short et al 2013) and the epitypification of the potato dry rot pathogen F. solani sensu stricto (FSSC-clade-5) (Schroers et al 2016). Fusarium keratoplasticum, a common inhabitant of soil, drainage systems and other antropogenic substrates, was recently suggested to be recombining, potentially even via heterothallic sex (Short et al 2013;Short and O'Donnell 2014). A remarkable finding as 'Fusarium solani´is generally considered homothallic or asexual (O'Donnell et al 2008).…”

Section: Introductionmentioning

confidence: 99%

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Fusarium ershadii sp. nov., a Pathogen on Asparagus officinalis and Musa acuminata

et al. 2018

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Two Fusarium strains, isolated from Asparagus in Italy and Musa in Vietnam respectively, proved to be members of an undescribed clade within the Fusarium solani species complex based on phylogenetic species recognition on ITS, partial RPB2 and EF-1α gene fragments. Macro-and micro-morphological investigations followed with physiological studies done on this new species: Fusarium ershadii sp. nov can be distinguished by its conidial morphology. Both isolates of Fusarium ershadii were shown to be pathogenic to the monocot Asparagus officinalis when inoculated on roots and induced hollow root symptoms within two weeks in Asparagus officinalis seedlings. In comparison mild disease symptoms were observed by the same strains on Musa acuminata seedlings.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fusarium ershadii sp. nov., a Pathogen on Asparagus officinalis and Musa acuminata

et al. 2018

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“…Due to the abundant homoplasy in phenotypic characteristics and difficulties in the morphological identification, it is difficult to distinguish Phoma-like taxa including, the species of Didymella (Chen et al 2015). Genealogical concordance analysis using several unlinked DNA loci have been already resulted in the dramatic taxonomic changes in Phoma and Phoma-like genera (de Gruyter et al 2009, 2010, 2012, Aveskamp et al 2010, Ariyawansa et al 2015, Chen et al 2015, Liu et al 2015, Hyde et al 2016, Li et al 2016, Tibpromma et al 2017 as well as other fungi such as in Alternaria (Woudenberg et al 2013), Bipolaris (Manamgoda et al 2011(Manamgoda et al , 2012, Colletotrichum (Cannon et al 2012, Jayawardena et al 2016, Fusarium (Short et al 2013, Laurence et al 2014, Phyllosticta (Wikee et al 2011, Hyde et al 2014, Trichoderma (Druzhinina et al 2010) and other taxa in Kingdom Myceteae (Ariyawansa et al 2015, Crous et al 2015, Liu et al 2015, Hyde et al 2016, Li et al 2016, Tibpromma et al 2017. Chen et al (2015) have indicated, that the combined sequence of ITS, LSU, tub2 and rpb2 work well in demarcating Didymella species.…”

Section: Discussionmentioning

confidence: 99%

Further characterization and pathogenicity of Didymella microchlamydospora causing stem necrosis of Morus nigra in Iran

Ahmadpour¹

2017

Mycosphere

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Ahmadpour SA, Farokhinejad R, Mehrabi-Koushki M 2017 -Further characterization and pathogenicity of Didymella microchlamydospora causing stem necrosis of Morus nigra in Iran. Mycosphere 8(7), 835-852, Doi 10.5943/mycosphere/8/7/3. AbstractIn the last decade, canker and dieback diseases have caused disease of ornamental and fruit trees of Khuzestan Province in the southwest of Iran. Fourty-eight symptomatic branches and trunks were sampled and a survey was made to identify the probable pathogens, which led to the isolation of the recently established species, Didymella microchlamydospora. A multi-locus DNA sequence based phylogeny, in combination with morphology, was used to characterize seven isolates of this species. Two phylogenetic trees constructed based on the combined sequences of ITS/LSU/tub2 and ITS/LSU/tub2/rpb2 regions showed very little differences, and both trees presented generally consistent relationships among the strongly supported clades. In both of threeand four-locus based phylogenetic trees, our isolates and a reference strain, D. microchlamydospora CBS 105.95, formed supportive monophyletic clades with strong 99% and 100% BS support, respectively. In pathogenicity tests, the isolate of D. microchlamydospora SCUA 14_Dez_Mor formed the necrosis and wood discoloration on stem fragments of Morus nigra. To our knowledge, this is the first report of pathogenicity of D. microchlamydospora on Morus nigra and its association on plants of olive, bitter orange, oleander and bottlebrush worldwide. In addition, we gave a slightly amended description of this species.

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“…Molecular systematics has revealed that the FSSC itself comprises three main clades (clades 1 to 3) encompassing over 60 species (O'Donnell et al 2008;Short et al 2013;Zhang et al 2006) and recognizable by genealogical concordance phylogenetic species recognition (Taylor et al 2000). The ambrosia Fusarium clade (AFC) is a newly discovered lineage within clade 3 of the FSSC.…”

Section: Introductionmentioning

confidence: 99%

PCR Multiplexes DiscriminateFusariumSymbionts of InvasiveEuwallaceaAmbrosia Beetles that Inflict Damage on Numerous Tree Species Throughout the United States

et al. 2017

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Asian Euwallacea ambrosia beetles vector Fusarium mutualists. The ambrosial fusaria are all members of the ambrosia Fusarium clade (AFC) within the Fusarium solani species complex (FSSC). Several EuwallaceaFusarium mutualists have been introduced into nonnative regions and have caused varying degrees of damage to orchard, landscape, and forest trees. Knowledge of symbiont fidelity is limited by current identification methods, which typically requires analysis of DNA sequence data from beetles and the symbionts cultured from their oral mycangia. Here, polymerase chain reaction (PCR)-based diagnostic tools were developed to identify the six Fusarium symbionts of exotic Euwallacea spp. currently known within the United States. Whole-genome sequences were generated for representatives of six AFC species plus F. ambrosium and aligned to the annotated genome of F. euwallaceae. Taxon-specific primer-annealing sites were identified that rapidly distinguish the AFC species currently within the United States. PCR specificity, reliability, and sensitivity were validated using a panel of 72 Fusarium isolates, including 47 reference cultures. Culture-independent multiplex assays accurately identified two AFC fusaria using DNA isolated from heads of their respective beetle partners. The PCR assays were used to show that Euwallacea validus is exclusively associated with AF-4 throughout its sampled range within eastern North America. The rapid assay supports federal and state agency efforts to monitor spread of these invasive pests and mitigate further introductions.Several destructive fungal plant pathogens vectored by exotic bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) have invaded American landscapes and forests within the past century. For example, the redbay ambrosia beetle Xyleborus glabratus (Eichhoff) and its fungal symbiont Raffaelea lauricola T. C. Harr., Fraedrich & Aghayeva are responsible for the death of hundreds of millions of native Lauraceous plants, including avocado (Persea americana), redbay (P. borbonia), and sassafras (Sassafras albidum) (Fraedrich et al. 2008;Ploetz et al. 2013) throughout the coastal southeastern United States. Another group of scolytine beetles, the exotic Euwallacea ambrosia beetles, pose a threat to landscape trees as well as avocado Kasson et al. 2013;Mendel et al. 2012).At least six Euwallacea spp. from Asia have become established within the United States (Cognato et al. 2015;O'Donnell et al. 2015): Euwallacea interjectus (Blandford), E. validus (Eichhoff), E. denticulus (Motschulsky), and three morphologically cryptic species within the E. fornicatus species complex (Eichhoff) (Atkinson 2016;O'Donnell et al. 2015;Storer et al. 2015). Euwallacea spp. are fungus-farming ambrosia beetles that cultivate mutualistic fungi in the genus Fusarium, although this is presently unconfirmed for E. denticulus. Most of these insect species do not cause noticeable economic or ecological damage and, instead, attack and colonize declining and recently killed trees. Howe...

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Phylogenetic relationships among members of the Fusarium solani species complex in human infections and the descriptions of F. keratoplasticum sp. nov. and F. petroliphilum stat. nov.

Cited by 150 publications

References 45 publications

Fusarium ershadii sp. nov., a Pathogen on Asparagus officinalis and Musa acuminata

Fusarium ershadii sp. nov., a Pathogen on Asparagus officinalis and Musa acuminata

Further characterization and pathogenicity of Didymella microchlamydospora causing stem necrosis of Morus nigra in Iran

PCR Multiplexes DiscriminateFusariumSymbionts of InvasiveEuwallaceaAmbrosia Beetles that Inflict Damage on Numerous Tree Species Throughout the United States

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