Effect of calcium on growth of submerged Terfezia boudieri mycelium

N. Roth-Bejerano; S. Mendlinger; V. Kagan-Zur

doi:10.1007/s10267-003-0156-6

Effect of calcium on growth of submerged Terfezia boudieri mycelium

N. Roth-Bejerano, S. Mendlinger, V. Kagan-Zur

Department of Life Sciences

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The effect of Ca²⁺ on mycelial growth in Terfezia boudieri was studied. Terfezia boudieri Chatin (Ascomycotinae) occurs in mycorrhizal association with Helianthemum shrubs in deserts with calcareous soils. External Ca²⁺ stimulated mycelial growth in both liquid media and solidified substrates. The response to Ca²⁺ was very faint in well-aerated culture but pronounced in mycelia immersed in the medium, indicating dependence on mycelial aeration. 2,4-Dinitrophenol (DNP), an inhibitor of oxidative phosphorylation, and succinate, a potential cytoplasm acidifier, inhibited mycelial growth but enhanced the stimulatory effect of Ca²⁺. This effect was reduced by the Ca²⁺ channel blocker verapamil.

Original language	English
Pages (from-to)	30-34
Number of pages	5
Journal	Mycoscience
Volume	45
Issue number	1
DOIs	https://doi.org/10.1007/s10267-003-0156-6
State	Published - 25 Feb 2004

Keywords

Aerobic conditions
Hypoxia
Verapamil

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics

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10.1007/s10267-003-0156-6

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abstract = "The effect of Ca2+ on mycelial growth in Terfezia boudieri was studied. Terfezia boudieri Chatin (Ascomycotinae) occurs in mycorrhizal association with Helianthemum shrubs in deserts with calcareous soils. External Ca2+ stimulated mycelial growth in both liquid media and solidified substrates. The response to Ca2+ was very faint in well-aerated culture but pronounced in mycelia immersed in the medium, indicating dependence on mycelial aeration. 2,4-Dinitrophenol (DNP), an inhibitor of oxidative phosphorylation, and succinate, a potential cytoplasm acidifier, inhibited mycelial growth but enhanced the stimulatory effect of Ca2+. This effect was reduced by the Ca2+ channel blocker verapamil.",

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AU - Roth-Bejerano, N.

AU - Mendlinger, S.

AU - Kagan-Zur, V.

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N2 - The effect of Ca2+ on mycelial growth in Terfezia boudieri was studied. Terfezia boudieri Chatin (Ascomycotinae) occurs in mycorrhizal association with Helianthemum shrubs in deserts with calcareous soils. External Ca2+ stimulated mycelial growth in both liquid media and solidified substrates. The response to Ca2+ was very faint in well-aerated culture but pronounced in mycelia immersed in the medium, indicating dependence on mycelial aeration. 2,4-Dinitrophenol (DNP), an inhibitor of oxidative phosphorylation, and succinate, a potential cytoplasm acidifier, inhibited mycelial growth but enhanced the stimulatory effect of Ca2+. This effect was reduced by the Ca2+ channel blocker verapamil.

AB - The effect of Ca2+ on mycelial growth in Terfezia boudieri was studied. Terfezia boudieri Chatin (Ascomycotinae) occurs in mycorrhizal association with Helianthemum shrubs in deserts with calcareous soils. External Ca2+ stimulated mycelial growth in both liquid media and solidified substrates. The response to Ca2+ was very faint in well-aerated culture but pronounced in mycelia immersed in the medium, indicating dependence on mycelial aeration. 2,4-Dinitrophenol (DNP), an inhibitor of oxidative phosphorylation, and succinate, a potential cytoplasm acidifier, inhibited mycelial growth but enhanced the stimulatory effect of Ca2+. This effect was reduced by the Ca2+ channel blocker verapamil.

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Effect of calcium on growth of submerged Terfezia boudieri mycelium

Abstract

Keywords

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