Karel Ubik

Biparental defensive endowment of eggs with acquired plant alkaloid in the moth Utetheisa ornatrix.

D E Dussourd, Karel Ubik, Carl A. Harvis et al. · Proceedings of the National Academy of Sciences · 1988 · 226 citations · Full text

Biology, Reproduction Response, Plant Alkaloid +15

Identification of bilirubin reduction products formed by Clostridium perfringens isolated from human neonatal fecal flora

Filip Majer, Lucie Muchová, Jaroslav Zelenka et al. · Journal of Chromatography B · 2006 · 55 citations

Biochemistry, Medicine, Bacteriology +8

The role of semiochemicals in tritrophic interactions between the spruce bark beetle <i>Ips typographus</i>, its predators and infested spruce

Jiří Hulcr, Karel Ubik, Jan Vrkoč · Journal of Applied Entomology · 2006 · 46 citations

Biology, Biotic Interaction, Pheromone Biochemistry +13

1-Nitro-trans-1-pentadecene as the defensive compound of termites

Jan Vrkoč, Karel Ubik · Tetrahedron Letters · 1974 · 44 citations

Organic Chemistry, Defensive Compound, Chemistry +1

Exploitation of kairomones and synomones by Medetera spp. (Diptera: Dolichopodidae), predators of spruce bark beetles

Jiří Hulcr, Marc A. A. Pollet, Karel Ubik et al. · European Journal of Entomology · 2005 · 32 citations · Full text