Abstract— Penicillium isariaeforme is a photomorphogenic fungus which produces upright bundles of conidia‐bearing mycelia (called coremia) when grown on a defined medium in visible (450–500 nm) light. We found that exogenous Ca2+ ions could substitute for light. In the dark 1–2 mM Ca2+ triggered coremia formation. Dark induction of coremia was specific for Ca2+ in that it could not be duplicated by 50 mM Ba2+, Fe2+, Mg2+, Mn2+, Sr2+, or Zn2+. Additionally, light‐induced coremia formation was inhibited by both KI (2.5 mM) and phenylacetic acid (0.25 mM).
|Original language||English (US)|
|Number of pages||5|
|Journal||Photochemistry and Photobiology|
|State||Published - Feb 1991|
ASJC Scopus subject areas
- Physical and Theoretical Chemistry