Surface ornamentation of ascospores inEupenicillium species
The ascospores of 21 species ofEupenicillium were examined for surface ornamentation by means of the scanning electron microscope. Two groups of species could be distinguished: one with, and another without distinct equatorial ridges. The former group was further subdivided into four types according to wall ornamentation: reticulate, ribbed, spinulose, and smooth.Surface ornamentation details may come to range among the most important features to distinguish species that are hardly discernible otherwise.
Two Novel Eupenicillium Species Isolated from Soil in China
Two novel species of Eupenicillium isolated from the soil collected in China are described and illustrated. Eupenicillium polygoniforme is characterized by the lenticular ascospores with polygon edge of equatorial ridges, the convex surface of the ascospores resembling with reticulate anastomosed ribs and striking spinulose. E. zhejiangensis is characterized by the lenticular ascospores with distinct deeply equatorial ridges and anastomosed squamiform ornamentation of the convex surface. The phylogenetic relationship between the two new species and other species in Eupenicillium genus was investigated base on LSU-ITS combined sequences.
Lupin alkaloids from teratogenic and nonteratogenic lupins. II. Identification of the major alkaloids by tandem gas chromatography-mass spectrometry in plants producing crooked calf disease.
The major alkaloids of lupin plants producing crooked calf disease were identified by tandem gas chromatography-mass spectrometry and infrared analysis. The gas chromatography peak invariably present in teratogenic plants proved to be anagyrine. A minor but irregular contaminant of the peak was α-isolupanine. Other alkaloids present but apparently not associated with crooked calf disease were lupanine and two others that were probably epimethoxylupanine and 5,6-dehydrolupanine.