Ontogenetic analysis of siliceous cell wall formation in Triparma laevis f. inornata (Parmales, Stramenopiles).

Triparma laevis f. inornata is a unicellular alga belonging to the Bolidophyceae, which is most closely related to diatoms. Like diatoms, T.

Effect of pamamycin-607 on secondary metabolite production by Streptomyces spp.

The effect of the aerial mycelium-inducing compound, pamamycin-607, on antibiotic production by several Streptomyces spp. was examined. Exposure to 6.