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Overexpression of ShCYP51B and ShatrD in Sclerotinia homoeocarpa Isolates Exhibiting Practical Field Resistance to a Demethylation Inhibitor Fungicide
- J. Hulvey, J. Popko, H. Sang, A. Berg, G. Jung
- BiologyApplied and Environmental Microbiology
- 13 July 2012
It is suggested that efflux is a major determinant of the reduced DMI sensitivity of S. homoeocarpa genotypes in New England, which may have implications for the emergence of practical field resistance in this important turfgrass pathogen.
Six Species of Penicillium Associated with Blue Mold of Grape
Grape fruits with blue mold symptoms were collected from house storages in different locations in Korea and were investigated for their association with Penicillium species and β-tublin gene sequence data analysis identified them as P. bialowiezense and P. echinulatum, newly recorded in Korea.
Phylogenomic analysis of a 55.1 kb 19-gene dataset resolves a monophyletic Fusarium that includes the Fusarium solani Species Complex.
The practical and scientific argument in support of a Fusarium that includes the FSSC and several other basal lineages is reasserted, consistent with the longstanding use of this name among plant pathologists, medical mycologists, quarantine officials, regulatory agencies, students and researchers with a stake in its taxonomy.
A pleiotropic drug resistance transporter is involved in reduced sensitivity to multiple fungicide classes in Sclerotinia homoeocarpa (F.T. Bennett).
Results indicate that the over-expression of ShPDR1 is correlated with practical field resistance to DMI fungicides and reduced sensitivity to dicarboximide and SDHI fungicides, highlighting the potential for the eventual development of a multidrug resistance phenotype in this pathogen.
A Xenobiotic Detoxification Pathway through Transcriptional Regulation in Filamentous Fungi
Evidence of an evolutionary convergence between the fungal and mammalian lineages is presented, whereby xenobiotic detoxification genes (phase I coding for cytochrome P450 monooxygenases [CYP450s] and phase III coding for ATP-binding cassette efflux transporters) are transcriptionally regulated by structurally unrelated proteins.
Postharvest fruit rot caused by Pestalotiopsis sp. on grape in Korea
- J. Deng, H. Sang, Y. Hwang, Byung-Seon Lim, S. Yu
- BiologyAustralasian Plant Disease Notes
- 7 July 2013
In 2010, fruit rot disease was observed on the ‘Cheongsoo’ grape cultivar in a store house in Daejeon, Korea. The causal agent was determined to be a species of Pestalotiopsis not previously…
Antifungal mechanisms of ZnO and Ag nanoparticles to Sclerotinia homoeocarpa.
It is observed that a zinc transporter might play an important role in accumulating Zn and Ag from NP exposure into the cells of S. homoeocarpa due to overexpression of Shzrt1 significantly induced by ZnO or Ag NPs within 3 h of exposure.
Distribution and Antifungal Activity of Endophytic Fungi in Different Growth Stages of Chili Pepper (Capsicum annuum L.) in Korea
Three strains showed a broad spectrum antifungal activity and displayed strong inhibition against chili pepper pathogenic fungi.
Two novel Talaromyces species isolated from medicinal crops in Korea
- H. Sang, T. An, Chang Sun Kim, Gyu-Sub Shin, G. Sung, S. Yu
- BiologyJournal of Microbiology
- 31 October 2013
Two novel biverticillate Talaromyces species, T. angelicus and T. cnidii, were collected from the medicinal crops Angelica gigas and Cnidium officinale, respectively, in Korea and reveal differences in the morphologies of the colony margin, metulae, and conidia.