scholarly journals Pregnane-Type Steroids from the Inedible Mushroom Thelephora terrestris

2005 ◽  
Vol 53 (3) ◽  
pp. 309-312 ◽  
Author(s):  
Niko Radulović ◽  
Dang Ngoc Quang ◽  
Toshihiro Hashimoto ◽  
Makiko Nukada ◽  
Masami Tanaka ◽  
...  
Keyword(s):  
Thelephora Terrestris

scholarly journals Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

2021 ◽  
Vol 13 (8) ◽  
pp. 4367
Author(s):  
Yoonhee Cho ◽  
Shinnam Yoo ◽  
Myung Soo Park ◽  
Ji Seon Kim ◽  
Chang Sun Kim ◽  
...  
Keyword(s):  
Ectomycorrhizal Fungi ◽  
Internal Transcribed Spacer ◽  
Pinus Densiflora ◽  
Red Pine ◽  
Fungal Communities ◽  
Thelephora Terrestris ◽  
Suillus Luteus ◽  
Flooding Stress ◽  
Pine Seedlings ◽  
Rhizopogon Luteolus

Flooding is an environmental stress for plants that not only limits aeration and nutrient acquisition, but also disturbs underground plant-associated fungal communities. Despite frequent flooding, red pine (Pinus densiflora) seedlings thrive in streamside environments. However, whether the compatible ectomycorrhizal fungi (EMF) of red pine are affected by natural flooding is unclear. As EMF are vital symbionts for the development of many trees and allow them to overcome various environmental stresses, in this study, the EMF species associated with red pine seedlings in a streamside environment in Korea were investigated after flooding. The EMF species in 47 seedlings collected from the streamside site were identified by observing their different morphotypes using internal transcribed spacer sequence analysis, and a total of 10 EMF species were identified. The EMF species diversity was lower than that in samples collected from a nearby forest analyzed as a control. The dominant EMF species of streamside seedlings included Amphinema spp., Rhizopogon luteolus, Suillus luteus, and Thelephora terrestris. This study could serve as a basis for investigating the mechanisms by which advantageous EMF aid plant development under flooding stress.

scholarly journals Soil Fungal Community in Norway Spruce Forests under Bark Beetle Attack

Forests ◽  
2019 ◽  
Vol 10 (2) ◽  
pp. 109 ◽  
Author(s):  
Petra Veselá ◽  
Martina Vašutová ◽  
Magda Edwards-Jonášová ◽  
Pavel Cudlín
Keyword(s):  
Bark Beetle ◽  
Fungal Community ◽  
Forest Ecosystems ◽  
Fungal Species ◽  
Thelephora Terrestris ◽  
Mature Forest ◽  
Soil Fungal Community ◽  
Ecm Fungi ◽  
Widespread Phenomenon ◽  
One Year

Bark beetle infestation is a widespread phenomenon in temperate forests, which are facing significant weather fluctuations accompanying climate change. Fungi play key roles in forest ecosystems as symbionts of ectomycorrhizal trees, decomposers, or parasites, but the effect of severe disturbances on their communities is largely unknown. The responses of soil fungal communities following bark beetle attack were determined using Illumina sequencing of soil samples from 10 microsites in a mature forest not attacked by bark beetle, a forest attacked by bark beetle, a forest destroyed by bark beetle, and a stand where all trees were removed after a windstorm. The proportion of ITS2 sequences assigned to mycorrhizal fungal species decreased with increased intensity of bark beetle attack (from 70 to 15%), whereas the proportion of saprotrophs increased (from 29 to 77%). Differences in the ectomycorrhizal (ECM) fungal community was further characterized by a decrease in the sequence proportion of Elaphomyces sp. and Russula sp. and an increase in Piloderma sp., Wilcoxina sp., and Thelephora terrestris. Interestingly, the species composition of the ECM fungal community in the forest one year after removing the windstorm-damaged trees was similar to that of the mature forest, despite the sequence proportion attributed to ECM fungi decreased.

Morphological and anatomical characterization of ectomycorrhizas and ectendomycorrhizas on Pinus strobus seedlings in a southern Ontario nursery

1997 ◽  
Vol 75 (12) ◽  
pp. 2057-2072 ◽  
Author(s):  
Margot Ursic ◽  
R. Larry Peterson
Keyword(s):  
Key Words ◽  
Pinus Strobus ◽  
Anatomical Study ◽  
Culture Conditions ◽  
Thelephora Terrestris ◽  
Southern Ontario ◽  
Conifer Seedlings ◽  
The Given ◽  
Pot Culture

A morphological and anatomical study of the mycorrhizas on Pinus strobus L. was conducted on seedlings excavated from St.-Williams nursery in southern Ontario. Micro- and macro-scopic characters were used to classify the morphotypes into complexes and, when possible, genera and species. An E-strain fungus, fungi from the Mycelium radicis atrovirens (MRA) complex, and an unidentified ascomycetous "red-type" fungus formed ectendomycorrhizal (EECM) associations, while Tuber sp., Hebeloma sp., and Thelephora terrestris formed ectomycorrhizal (ECM) associations in the nursery. Cultures of Hebeloma sp., the E-strain fungus, Tuber sp., and two morphologically distinct MRA fungi (MRA1, later identified as Phialophora finlandia Wang & Wilcox, and MRA2, unidentified) were isolated from field-collected morphotypes and re-inoculated onto Pinus strobus seedlings grown in semisterile pot cultures for 4 months. In the resynthesis experiment, the E-strain fungus formed EECM with sparse intracellular colonization, and Tuber sp. formed ECM with characteristic cystidia and densely packed mantles, as they had in the field. However, unlike the MRA field specimens, Phialophora finlandia formed ECM in pot culture. Hebeloma sp., normally an ECM former with conifer seedlings, did not form mycorrhizal structures under the given culture conditions, and neither did the MRA2 isolate. Key words: ectomycorrhiza, ectendomycorrhiza, Pinus strobus, Tuber sp., Phialophora finlandia, E-strain.

Pure culture synthesis of ectomycorrhizae by Thelephora terrestris and Pisolithus tinctorius on different conifer hosts

1970 ◽  
Vol 48 (3) ◽  
pp. 639-643 ◽  
Author(s):  
Donald H. Marx ◽  
W. Craig Bryan
Keyword(s):  
Plant Growth ◽  
Norway Spruce ◽  
Pure Culture ◽  
Douglas Fir ◽  
Pisolithus Tinctorius ◽  
Thelephora Terrestris ◽  
Fungal Symbiont ◽  
Growth Room ◽  
Pure Culture Synthesis

In a special plant-growth room, isolates of Thelephora terrestris produced basidiocarps and formed typical ectomycorrhizae with seedlings of bristlecone, jack, sand, lodgepole, shortleaf, slash, sugar, Austrian, longleaf, cluster, ponderosa, red, pitch, eastern white, Scots, loblolly, and Virginia pines and Douglas fir. Atypical mycorrhizae (lacking mantle) were formed on seedlings of Norway spruce and jack, Japanese red, and Himalayan pines. The formation of atypical mycorrhizae was considered a result of differences in the symbiotic–parasitic nature of the fungal symbionts on different hosts. Pisolithus tinctorius formed typical mycorrhizae with seedlings of jack, sand, Japanese red, shortleaf, slash, Austrian, longleaf, cluster, red, pitch, eastern white, Scots, loblolly, and Virginia pines. Reisolation of specific fungal symbionts from mycorrhizae of several pine hosts was successful.Mycorrhizae formed by T. terrestris were macroscopically and microscopically different from those of P. tinctorius, but mycorrhizae formed by different isolates of T. terrestris were indistinguishable from each other, regardless of host. These results suggest that the fungal symbiont determines color and morphology of ectomycorrhizae.

Effect of three ectomycorrhizal fungi on growth and phosphorus uptake of Pinus silvestris seedlings at increasing phosphorus levels

1986 ◽  
Vol 64 (11) ◽  
pp. 2753-2757 ◽  
Author(s):  
A. Tyminska ◽  
F. Le Tacon ◽  
J. Chadoeuf
Keyword(s):  
Ectomycorrhizal Fungi ◽  
Phosphorus Uptake ◽  
Ectomycorrhizal Fungus ◽  
Laccaria Laccata ◽  
Pinus Silvestris ◽  
Thelephora Terrestris ◽  
Intensity Of Infection ◽  
Hebeloma Crustuliniforme ◽  
Different Levels ◽  
Phosphorus Levels

The objective of this study was to determine the different effects of three ectomycorrhizal fungi (Laccaria laccata, Hebeloma crustuliniforme, and Thelephora terrestris) on the growth and mineral nutrition of Pinus silvestris at different levels of soluble phosphorus. Even a low intensity of infection by Laccaria laccata stimulated Pinus silvestris growth greatly. The ability of this ectomycorrhizal fungus to increase Pinus silvestris growth seemed to be more related to its capacity to produce growth substances than to its capacity to stimulate phosphorus uptake. The poor efficiency of Hebeloma crustuliniforme compared with Laccaria laccata at any level of phosphorus could result from differences in diversion of carbohydrates from the host to fungal structures.

scholarly journals Influence of N-fertilized substrata on biometric parameters and nitrogen content of seedlings with Thelephora terrestris

2009 ◽  
Vol 70 (1) ◽  
pp. 19-25
Author(s):  
Dorota Hilszczańska
Keyword(s):  
Nitrogen Content ◽  
Thelephora Terrestris ◽  
Biometric Parameters

Wpływ azotu w podłożu na cechy biometryczne oraz zawartość tego pierwiastka w siewkach sosny zwyczajnej z mikoryząThelephora terrestris

Efficiency in a forest nursery of an ectomycorrhizal fungus inoculum produced in a fermentor and entrapped in polymeric gels

1985 ◽  
Vol 63 (9) ◽  
pp. 1664-1668 ◽  
Author(s):  
F. Le Tacon ◽  
G. Jung ◽  
J. Mugnier ◽  
P. Michelot ◽  
C. Mauperin
Keyword(s):  
Norway Spruce ◽  
Seedling Growth ◽  
Ectomycorrhizal Fungus ◽  
Douglas Fir ◽  
Forest Nursery ◽  
Thelephora Terrestris ◽  
Hebeloma Cylindrosporum ◽  
Polymeric Gels ◽  
Mycorrhizal Development ◽  
High Metabolic Activity

In a nursery in the centre of France, we have compared the effect of different forms of an ectomycorrhizal fungus inoculum (Hebeloma cylindrosporum) on growth and mycorrhizal development of Douglas-fir and Norway spruce after soil fumigation. Compared with inoculum produced on peat and vermiculite, the inoculum produced in a fermentor and entrapped in polymeric gels significantly improved Douglas-fir and Norway spruce seedling growth. The Hebeloma mycorrhizal index was not significantly different between the different forms of inocula. The superiority of the inoculum produced in the fermentor and entrapped in gels is probably related to the high metabolic activity of the mycelium and to the protection given by the polymers after the incorporation of the inoculum into the soil. Hebeloma cylindrosporum stimulates seedling growth even in the presence of Thelephora terrestris mycorrhiza.

Sign in / Sign up

Export Citation Format

Share Document