نتایج جستجو برای: ascomycota
تعداد نتایج: 2554 فیلتر نتایج به سال:
Soil microorganisms play an important role in maintaining soil quality and function, although the response of microbial biodiversity to heavy metals has been extensively investigated, microbe-microbe associations under influence both native plant species extremely high metal contamination are not well documented. We examined diversity composition communities physicochemical properties rhizosphe...
A taxonomic study of Peltigera in South Korea was performed. The phylogenetic analysis based on nr DNA internal transcribed spacer sequences suggests that Peltigera is a well-supported monophyletic group. Important characteristics are the phycobiont type of thallus and the vein type at the lower cortex (wide and flat, or narrow and ridged). The vertical or horizontal arrangement of the apotheci...
The structure determination of lachnumon B1 (16) and lachnumon B2 (17), brominated derivatives of lachnumon (1), as well as mycorrhizin B1 (18) and mycorrhizin B2 (19), brominated derivatives of mycorrhizin A (3), is described. The compounds, which exhibit similar antimicrobial and nematicidal activity as their chlorinated analogues, were isolated from extracts of cultures of the ascomycete Lac...
Airborne microorganisms have been studied for centuries, but the majority of this research has relied on cultivation-dependent surveys that may not capture all of the microbial diversity in the atmosphere. As a result, our understanding of airborne microbial ecology is limited despite the relevance of airborne microbes to human health, various ecosystem functions, and environmental quality. Cul...
The gene encoding an acetylxylan esterase (AXE1) from the thermophilic ascomycete Talaromyces emersonii was cloned, expressed in Escherichia coli, and characterized. This form of AXE1, rTeAXE1, exhibits increased thermostability and activity at a higher temperature than other known fungal acetyl esterases, thus having huge potential application in biomass bioconversion to high value chemicals o...
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