Topic
Trichoderma longibrachiatum
About: Trichoderma longibrachiatum is a research topic. Over the lifetime, 452 publications have been published within this topic receiving 10591 citations.
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TL;DR: Insight is provided into the multiple modes by which T. longibrachiatum EF5 exerts antagonistic actions, such as hyperparasitism, competitions, and antibiosis via mVOCs, which could also promote plant growth.
38 citations
TL;DR: In all, 53 strains were isolated and identified at the species level by analysis of their internal transcribed spacers regions 1 and 2 of the rDNA cluster and (or) a fragment of the translation elongation factor 1 (tef1) gene, using an online interactive key for species identification in Trichoderma and ex-type strains and taxonomically established isolates of Trichodma as references.
Abstract: Trichoderma strains were sampled in 4 different bioclimatic zones of Tunisia, a Mediterranean North African country with strong climatic and edaphic variability from north to south, to assess the genetic diversity of endemic species of Trichoderma and their relationship to the bioclimatic zones. In all, 53 strains were isolated and identified at the species level by analysis of their internal transcribed spacers regions 1 and 2 (ITS1 and ITS2) of the rDNA cluster and (or) a fragment of the translation elongation factor 1 (tef1) gene, using an online interactive key for species identification in Trichoderma and ex-type strains and taxonomically established isolates of Trichoderma as references. At least 2 different species were observed in each ecosystem. Trichoderma harzianum clade VI and Trichoderma longibrachiatum were present in forest soils in north Tunisia; Trichoderma atroviride and Trichoderma hamatum were found in cultivated fields in northeast Tunisia; T. harzianum clade VI, a Trichoderma sp. close to the T. harzianum complex, and Trichoderma saturnisporum were isolated from forest soils in central Tunisia; and T. harzianum clade II and T. hamatum were present in oasis soils in south Tunisia.
38 citations
TL;DR: In this article, two tetronic acid derivatives, 5-hydroxyvertinolide (1) and bislongiquinoline (2), have been isolated from the fungus Trichoderma longibrachiatum Rifai aggr., which is antagonistic to the fungus Mycena citricolor, the causative agent of the American leaf spot disease of coffee.
Abstract: Two new tetronic acid derivatives, 5-hydroxyvertinolide (1) and bislongiquinolide (2), have been isolated from the fungus Trichoderma longibrachiatum Rifai aggr., which is antagonistic to the fungus Mycena citricolor, the causative agent of the American leaf spot disease of coffee. The structures were determined by a combination of spectroscopic techniques, including 1H and 13C n.m.r., i.r., u.v., c.d., and mass spectrometry.
37 citations
TL;DR: These results demonstrate no interaction between antifungals and some degree of synergism between azoles and cationic antimicrobials against Trichoderma spp.
Abstract: Objectives: The uncommon fungal pathogen Trichoderma shows increasing medical importance particularly in immunocompromised patients. Despite systemic antifungal therapy, prognosis of Trichoderma infection is poor regardless of the type of infection and the therapy used. The aim of the present study was to evaluate the in vitro activity and synergism of double antifungal combinations including amphotericin B, voriconazole, fluconazole, chlorhexidine digluconate and Akacid plus � against 15 isolates of Trichoderma longibrachiatum and 1 isolate of Trichoderma harzianum. Methods: Individual MICs were determined by using broth microdilution method following the NCCLS M38-A guidelines with standard RPMI 1640 broth. Synergy tests were performed using the chequerboard method. Results: All clinical Trichoderma strains showed reduced susceptibility to fluconazole (MICs 64 mg/L) and amphotericin B (MICs = 2 mg/L), whereas lower MICs of 0.5–1 mg/L were detected for voriconazole.
37 citations
TL;DR: A case of fatal Trichoderma longibrachiatum stomatitis in a 66-year-old female patient with malignant lymphoma is reported, the first report of the primary oral focus causing a fatal infection.
36 citations