<i>Talaromyces borbonicus</i>, sp. nov., a novel fungus from biodegraded <i>Arundo donax</i> with potential abilities in lignocellulose conversion

Varriale, Simona; Houbraken, Jos; Pepe, Olimpia; Cerullo, Gabriella; Ventorino, Valeria; Chin-A-Woeng, Thomas F. C.; Meijer, M.; Riley, Robert; Grigoriev, Igor V.; Henrissat, Bernard; Vries, Ronald P. de; Faraco, Vincenza

doi:10.1080/00275514.2018.1456835

Cited by 16 publications

(13 citation statements)

References 46 publications

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“…An overview of strains is listed in Table 1 . For other strains used in the phylogenetic analyses, readers are referred to Chen et al 2016 ; Crous et al 2016 , 2017 , 2018 ; Wang QM et al 2016; Wang XC et al 2016, 2017; Yilmaz et al 2016a , b ; Guevara-Suarez et al 2017 ; Peterson and Jurjević 2017 ; Barbosa et al 2018 ; Jiang et al 2018 ; Su and Niu 2018 ; Varriale et al 2018 ; Rajeshkumar et al 2019 ; Rodríguez-Andrade et al 2019 ; Guevara-Suarez et al 2020 .…”

Section: Methodsmentioning

confidence: 99%

“…This sectional classification was further supported by a four gene phylogeny ( Chen et al 2016 ). The number of species in Talaromyces grows rapidly due to reliable and complete sequence data contributed from all over the world ( Visagie et al 2015 ; Crous et al 2016 , 2017 , 2018 ; Yilmaz et al 2016a , b ; Guevara-Suarez et al 2017 ; Peterson and Jurjević 2017 ; Barbosa et al 2018 ; Varriale et al 2018 ; Rodríguez-Andrade et al 2019 ; Rajeshkumar et al 2019 ; Guevara-Suarez et al 2020 ). It is noteworthy that in China many new species were discovered with another 19 new species reported ( Chen et al 2016 ; Wang QM et al 2016; Wang XC et al 2016, 2017; Jiang et al 2018 ; Su and Niu 2018 ).…”

Section: Introductionmentioning

confidence: 99%

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New section and species in Talaromyces

Sun¹,

Chen²,

Houbraken³

et al. 2020

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Talaromyces is a monophyletic genus containing seven sections. The number of species in Talaromyces grows rapidly due to reliable and complete sequence data contributed from all over the world. In this study agricultural soil samples from Fujiang, Guangdong, Jiangxi, Shandong, Tibet and Zhejiang provinces of China were collected and analyzed for fungal diversity. Based on a polyphasic approach including phylogenetic analysis of partial ITS, BenA, CaM and RPB2 gene sequences, macro- and micro-morphological analyses, six of them could not be assigned to any described species, and one cannot be assigned to any known sections. Morphological characters as well as their phylogenetic relationship with other Talaromyces species are presented for these putative new species. Penicillium resedanum is combined in Talaromyces section Subinflati as T. resedanus.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

New section and species in Talaromyces

Sun¹,

Chen²,

Houbraken³

et al. 2020

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“…The molecular taxonomy and nomenclature Talaromyces were comprehensively revised in the recent past (Houbraken and Samson et al 2011;Seifert et al 2012;Visagie and Jacobs 2012;Yilmaz et al 2012;Yilmaz et al 2014). Yilmaz et al (2014) resolved the phylogenetic positioning of Talaromyces species using a polyphasic taxonomic concept and placing 88 accepted species in seven well-defined sections, namely Bacillispori, Helici, Islandici, Purpurei, Subinflati, Talaromyces, and Trachyspermi. Subsequent to the monograph by Yilmaz et al (2014), 54 new Talaromyces species have been described from all over the world (Visagie et al 2015;Chen et al 2016;Luo et al 2016;Crous et al 2016;Romero et al 2016;Yilmaz et al 2016a, b;Crous et al 2017;Guevara-Suarez et al 2017;Peterson and Jurjević 2017;Wang et al 2017;Barbosa et al 2018;Su and Niu 2018;Jiang et al 2018;Varriale et al 2018).…”

Section: Morphology and Multigene Phylogeny Of Talaromyces Amyrossmanmentioning

confidence: 99%

Morphology and multigene phylogeny of Talaromyces amyrossmaniae, a new synnematous species belonging to the section Trachyspermi from India

Rajeshkumar¹,

Yılmaz²,

Marathe³

et al. 2019

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A newTalaromycesspecies,T.amyrossmaniae, isolated from decaying fruit and litter ofTerminalia bellerica, is described and illustrated. On the natural substrate, the new species produces determinate synnemata, with a well-defined, vivid orange red to orange red cylindrical stipe, and a greyish green capitulum. Conidiophores are typically biverticillate, or sometimes have subterminal branches, with acerose phialides that produce globose to subglobose, smooth to slightly roughened conidia. Multigene phylogenetic analyses based on the internal transcribed spacer region (ITS), and partial sequences of β-tubulin (BenA), calmodulin (CaM), and DNA directed RNA polymerase second large subunit (RPB2) genes, along with morphological characterization, revealed that these isolates are distinct and form a unique lineage of Talaromyces in section Trachyspermi, closely allied toT.aerius,T.albobiverticillius,T.heiheensis,T.erythromellis, andT.solicola. The new speciesT.amyrossmaniaeis the first species in section Trachyspermi with determinate synnemata.

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“…Talaromyces sp. has a higher number of proteins with carbohydrate-active enzyme (CAZymes) than other sequenced Penicillium based on sequencing of genome [41][42][43]. This indicates that Talaromyces sp.…”

Section: Discussionmentioning

confidence: 99%

Responses of Soil Microbial Communities to the Invasion of Fusarium Oxysporum and Screening for Fusarium Antagonistic Microorganisms From Pathogenic Soil

Tian¹,

Gao²

2021

Preprint

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BackgroundFusarium oxysporum is known as a biological pollutant in the farmland soil, that causes vascular wilt on a wide range of cash crops, which is the most destructive disease of plant worldwide. F. oxysporum is a fungus that can colonize and grow saprophytically in plant debris and increase pathogen viability in soil. It is almost impossible to remove once successful colonization. How to effectively reduce the pathogen population and restore the beneficial microbial community in soil is an important subject to control the Fusarium wilt. The main objective of this study is to explore influences of F. oxysporum invasion on the microbial community and to screen efficient biocontrol agents from microorganisms with changing relative abundance.ResultsIn this study, we evaluated that responses of the soil microbial communities to invasion of F. oxysporum. We found that F. oxysporum invasion could modify soil physical-chemical properties, soil enzymes activities, microbial community structure and diversity of the soil microbes. We screened and identified an efficient biocontrol strain, Talaromyces purpurogenus Q2, which could be used for defense and suppression of F. oxysporum in bitter gourd and efficiently decreasing incidence of the Fusarium wilt of bitter gourd in the greenhouse and in the field. The research results of biocontrol mechanisms showed that T. purpureogenus strain Q2 involved in the resistance of soil microbial communities to invasion of F. oxysporum, and the density of F. oxysporum was inhibited by exogenous T. purpureogenus and the resident microbes that strain Q2 promoted their growth. In the co-culture of strain Q2 and F. oxysporum, we further observed that T. purpurogenus Q2 could significantly suppress the mycelia growth and development of F. oxysporum by secreting cell wall degrading enzymes, and hinder cell wall formation by suppressing the gene expression of cell wall biosynthesis, such as FomCFEM that is essential for full virulence and stress tolerance in F. oxysporum.ConclusionTogether we screened a efficient biocontrol agents from microorganisms with resistance to the invasion of F. oxysporum. The mechanisms of Talaromyces purpurogenus strain Q2 protected bitter gourd from F. oxysporum is to reduce the relative abundance of rhizospheric F. oxysporum by inhibiting the growth and development of F. oxysporum. This work can provide a new biocontrol agent for biocontrol of Fusarium wilt and soil-born diseases of other horticultural crops.

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Talaromyces borbonicus, sp. nov., a novel fungus from biodegraded Arundo donax with potential abilities in lignocellulose conversion

Cited by 16 publications

References 46 publications

New section and species in Talaromyces

New section and species in Talaromyces

Morphology and multigene phylogeny of Talaromyces amyrossmaniae, a new synnematous species belonging to the section Trachyspermi from India

Responses of Soil Microbial Communities to the Invasion of Fusarium Oxysporum and Screening for Fusarium Antagonistic Microorganisms From Pathogenic Soil

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