نتایج جستجو برای: xylaria longipes
تعداد نتایج: 503 فیلتر نتایج به سال:
A new isocoumarin glycoside, 3R-(+)-5-O-[6'-O-acetyl]-α-D-glucopyranosyl-5-hydroxymellein (1), and a new phenylethanol glycoside, (-)-phenylethyl-8-O-α-L-rhamno-pyranoside (2), were isolated from the ethyl acetate extract of the fungus Xylaria sp. cfcc 87468, together with five known steroids, β-sitosterol (3), stigmast-4-en-3-one (4), ergosterol (5), (22E)-cholesta-4,6,8(14),22-tetraen-3-one (...
We conducted a survey of fungal endophytes in 582 germinated seeds belonging to 11 Colombian cultivars of the common bean (Phaseolus vulgaris). The survey yielded 394 endophytic isolates belonging to 42 taxa, as identified by sequence analysis of the ribosomal DNA internal transcribed spacer (ITS) region. Aureobasidium pullulans was the dominant endophyte, isolated from 46.7 % of the samples. A...
Two new 10-membered lactones, namely, multiplolides A (1) and B (2), were isolated from the broth extract of the fungus Xylaria multiplex BCC 1111. Chemical structures of 1 and 2 were elucidated on the basis of their spectral data. Multiplolides A (1) and B (2) exhibited antifungal activity against Candida albicans with IC(50) values of 7 and 2 microg/mL, respectively. Both 1 and 2 were inactiv...
OBJECTIVE To establish the role of TRPV1 receptor in the antinociceptive effect of natural alkamides (i.e. affinin, longipinamide A, longipenamide A and longipenamide B) isolated from Heliopsis longipes (A. Gray) S.F. Blake and some related synthetic alkamides (i.e. N-isobutyl-feruloylamide and N-isobutyl-dihydroferuloylamide). METHODS The orofacial formalin test was used to assess the antino...
G.A. El1,∗ A. Gammal2,† E.G. Khamis2,‡ R.A. Kraenkel3,§ and A.M. Kamchatnov4¶ 1 Department of Mathematical Sciences, Loughborough University, Loughborough LE11 3TU, UK 2 Instituto de F́ısica, Universidade de São Paulo, 05315-970, C.P.66318 São Paulo, Brazil Instituto de Fisica Teórica, Universidade Estadual Paulista, Rua Pamplona 145, 01405-900 São Paulo, Brazil Institute of Spectroscopy, Russia...
Metazoan mitochondrial genomes usually consist of the same gene set, but some taxonomic groups show a considerable variety in gene order and nucleotide composition. The mitochondrial genomes of 37 crustaceans are currently known. Within the malacostracan superorder Peracarida, only three partial mitogenome sequences and the complete sequence of Ligia oceanica (Isopoda) are available. Frequent t...
A short diagnosis and a more detailed diagnosis of the genus Laelaspis are presented. Until now, a total of 40 described species belong to the genus, including a new species described here, and excluding the four following species previously described as Laelaspis or Hypoaspis (Laelaspis): L. badrii Nasr & Nawar [considered as Cosmolaelaps badrii comb. nov.], L. zuluensis Trägårdh, Hypoaspis (L...
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