Ergosterol as a Biochemical Indicator of Fungal Infection in Spruce and Fir Needles from Different Sources

Wolfgang F. Osswald; Wolfgang Höll; Erich F. Elstner

doi:10.1515/znc-1986-5-609

Ergosterol as a Biochemical Indicator of Fungal Infection in Spruce and Fir Needles from Different Sources

Wolfgang F. Osswald, Wolfgang Höll, Erich F. Elstner

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

31 Scopus citations

Abstract

Different fungi are discussed to play a certain role in recent spruce decline in addition to different abiotic factors such as SO2, photooxidants (ozone) or unfavourable climatic conditions. Thus, ergosterol as a specific fungal sterol was used as a biochemical indicator for fungal infection in differently damaged spruce and fir needles. With its aid it could be demonstrated that the important needle pathogens Rhizosphaera kalkhoffii Bubak, Lophodermium piceae and Sirococcus Type II contain unsaponified ergosterol comparable with the ergosterol content of different edible mushrooms. Furthermore it could be shown that all necrotic and also certain bleached and green needles exhibit fungal infection. However, fungal invasion seems to be a secondary reaction after the needle is predamaged by different factors.

Original language	English
Pages (from-to)	542-546
Number of pages	5
Journal	Zeitschrift fur Naturforschung - Section C Journal of Biosciences
Volume	41
Issue number	5-6
DOIs	https://doi.org/10.1515/znc-1986-5-609
State	Published - 1 Jun 1986

Keywords

Ergosterol
Fungal Infection
Spruce Decline

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10.1515/znc-1986-5-609

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title = "Ergosterol as a Biochemical Indicator of Fungal Infection in Spruce and Fir Needles from Different Sources",

abstract = "Different fungi are discussed to play a certain role in recent spruce decline in addition to different abiotic factors such as SO2, photooxidants (ozone) or unfavourable climatic conditions. Thus, ergosterol as a specific fungal sterol was used as a biochemical indicator for fungal infection in differently damaged spruce and fir needles. With its aid it could be demonstrated that the important needle pathogens Rhizosphaera kalkhoffii Bubak, Lophodermium piceae and Sirococcus Type II contain unsaponified ergosterol comparable with the ergosterol content of different edible mushrooms. Furthermore it could be shown that all necrotic and also certain bleached and green needles exhibit fungal infection. However, fungal invasion seems to be a secondary reaction after the needle is predamaged by different factors.",

keywords = "Ergosterol, Fungal Infection, Spruce Decline",

author = "Osswald, {Wolfgang F.} and Wolfgang H{\"o}ll and Elstner, {Erich F.}",

note = "Funding Information: We wish to thank Prof. Butin (Institut f{\"u}r Pflanzenschutz im Forst, Braunschweig) for the gift of the three forest pathogens and for information concerning cultivating procedures. We also thank Mrs. B. Sch{\"u}tz and Miss M. Sch{\"a}fer for technical assistance and K. Hollfelder for cultivating the pathogens. This work was financially supported by the Bayer. Staatsministerium f{\"u}r Landesentwicklung und Umweltfragen, M{\"u}nchen.",

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doi = "10.1515/znc-1986-5-609",

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AU - Osswald, Wolfgang F.

AU - Höll, Wolfgang

AU - Elstner, Erich F.

N1 - Funding Information: We wish to thank Prof. Butin (Institut für Pflanzenschutz im Forst, Braunschweig) for the gift of the three forest pathogens and for information concerning cultivating procedures. We also thank Mrs. B. Schütz and Miss M. Schäfer for technical assistance and K. Hollfelder for cultivating the pathogens. This work was financially supported by the Bayer. Staatsministerium für Landesentwicklung und Umweltfragen, München.

PY - 1986/6/1

Y1 - 1986/6/1

N2 - Different fungi are discussed to play a certain role in recent spruce decline in addition to different abiotic factors such as SO2, photooxidants (ozone) or unfavourable climatic conditions. Thus, ergosterol as a specific fungal sterol was used as a biochemical indicator for fungal infection in differently damaged spruce and fir needles. With its aid it could be demonstrated that the important needle pathogens Rhizosphaera kalkhoffii Bubak, Lophodermium piceae and Sirococcus Type II contain unsaponified ergosterol comparable with the ergosterol content of different edible mushrooms. Furthermore it could be shown that all necrotic and also certain bleached and green needles exhibit fungal infection. However, fungal invasion seems to be a secondary reaction after the needle is predamaged by different factors.

AB - Different fungi are discussed to play a certain role in recent spruce decline in addition to different abiotic factors such as SO2, photooxidants (ozone) or unfavourable climatic conditions. Thus, ergosterol as a specific fungal sterol was used as a biochemical indicator for fungal infection in differently damaged spruce and fir needles. With its aid it could be demonstrated that the important needle pathogens Rhizosphaera kalkhoffii Bubak, Lophodermium piceae and Sirococcus Type II contain unsaponified ergosterol comparable with the ergosterol content of different edible mushrooms. Furthermore it could be shown that all necrotic and also certain bleached and green needles exhibit fungal infection. However, fungal invasion seems to be a secondary reaction after the needle is predamaged by different factors.

KW - Ergosterol

KW - Fungal Infection

KW - Spruce Decline

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ER -

Ergosterol as a Biochemical Indicator of Fungal Infection in Spruce and Fir Needles from Different Sources

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