Two new steroids, leiwansterols A and B, along with three known ones (3-5), were isolated from the sclerotia of the fungus Omphalia lapidescen. Their structures were elucidated on the basis of spectral data. The isolated compounds showed weak anti-tobacco mosaic virus activity.
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http://dx.doi.org/10.1080/10286020.2013.874346 | DOI Listing |
Plant Dis
January 2025
Institute of Plant Protection, Gansu Academy of Agricultural Sciences, Lanzhou, Gansu, China;
Astragalus mongholicus is a perennial Chinese medicinal herb in the family Leguminosae widely cultivated in China. In September 2023, A. mongholicus plants in a field in Weiyuan County, Gansu Province, showed symptoms of circular or irregular brown, sunken and necrotic lesions, multiple lesions coalesced, and brown longitudinal cracks in the roots.
View Article and Find Full Text PDFPlant Dis
January 2025
Hainan University School of Tropical Agriculture and Forestry, Haikou, Hainan, China;
Katsumada galangal seed ( K. Schum) is an important member of the Zingiberaceae family, with both medicinal value and culinary applications (Park et al. 2020).
View Article and Find Full Text PDFJ Fungi (Basel)
December 2024
The Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
is a species whose sclerotia have been extensively employed in traditional Chinese medicine, which has diuretic, antitumor, anticancer, and immune system enhancement properties. However, prolonged asexual reproduction has resulted in significant homogenization and degeneration of seed sclerotia. In contrast, sexual reproduction has emerged as an effective strategy to address these challenges, with a distinct mating system serving as the foundation for the implementation of sexual breeding.
View Article and Find Full Text PDFBot Stud
January 2025
Department of Chemical Engineering and Biotechnology, Tatung University, Taipei, 10491, Taiwan.
Background: Fungus gardens of the termite Odontotermes formosanus, excavated from Iriomote Island, Okinawa Prefecture, Japan, were subsequently incubated under laboratory conditions. A Xylaria species emerging from these fungus gardens was initially identified as X. angulosa, a species originally described from North Sulawesi, Indonesia.
View Article and Find Full Text PDFMycotoxin Res
February 2025
ARS, National Biological Control Laboratory, 59 Lee Road, Stoneville, MS, 38776, USA.
Aflatoxin contamination of corn can occur when developing kernels are infected by the plant pathogen Aspergillus flavus. One route of infection is from airborne conidia. We executed a series of experiments within the corn canopy during two growing seasons and in two states to document the abundance and dynamics of the airborne A.
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