Search Results - (Author, Cooperation:J. Stenlid)
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1Latest Papers from Table of Contents or Articles in PressK. E. Clemmensen ; A. Bahr ; O. Ovaskainen ; A. Dahlberg ; A. Ekblad ; H. Wallander ; J. Stenlid ; R. D. Finlay ; D. A. Wardle ; B. D. Lindahl
American Association for the Advancement of Science (AAAS)
Published 2013Staff ViewPublication Date: 2013-03-30Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Biomarkers/metabolism ; *Carbon Cycle ; Carbon Radioisotopes/metabolism ; Ergosterol/metabolism ; Fungi/*metabolism ; Glucosamine/metabolism ; Plant Roots/*metabolism/*microbiology ; Soil ; Trees/*metabolism/*microbiologyPublished by: -
2Latest Papers from Table of Contents or Articles in PressD. Floudas ; M. Binder ; R. Riley ; K. Barry ; R. A. Blanchette ; B. Henrissat ; A. T. Martinez ; R. Otillar ; J. W. Spatafora ; J. S. Yadav ; A. Aerts ; I. Benoit ; A. Boyd ; A. Carlson ; A. Copeland ; P. M. Coutinho ; R. P. de Vries ; P. Ferreira ; K. Findley ; B. Foster ; J. Gaskell ; D. Glotzer ; P. Gorecki ; J. Heitman ; C. Hesse ; C. Hori ; K. Igarashi ; J. A. Jurgens ; N. Kallen ; P. Kersten ; A. Kohler ; U. Kues ; T. K. Kumar ; A. Kuo ; K. LaButti ; L. F. Larrondo ; E. Lindquist ; A. Ling ; V. Lombard ; S. Lucas ; T. Lundell ; R. Martin ; D. J. McLaughlin ; I. Morgenstern ; E. Morin ; C. Murat ; L. G. Nagy ; M. Nolan ; R. A. Ohm ; A. Patyshakuliyeva ; A. Rokas ; F. J. Ruiz-Duenas ; G. Sabat ; A. Salamov ; M. Samejima ; J. Schmutz ; J. C. Slot ; F. St John ; J. Stenlid ; H. Sun ; S. Sun ; K. Syed ; A. Tsang ; A. Wiebenga ; D. Young ; A. Pisabarro ; D. C. Eastwood ; F. Martin ; D. Cullen ; I. V. Grigoriev ; D. S. Hibbett
American Association for the Advancement of Science (AAAS)
Published 2012Staff ViewPublication Date: 2012-06-30Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Basidiomycota/classification/*enzymology/*genetics ; Bayes Theorem ; *Evolution, Molecular ; *Genome, Fungal ; Indoles ; Lignin/*metabolism ; Peroxidases/*genetics/metabolism ; Wood/metabolismPublished by: -
3Latest Papers from Table of Contents or Articles in PressD. C. Eastwood ; D. Floudas ; M. Binder ; A. Majcherczyk ; P. Schneider ; A. Aerts ; F. O. Asiegbu ; S. E. Baker ; K. Barry ; M. Bendiksby ; M. Blumentritt ; P. M. Coutinho ; D. Cullen ; R. P. de Vries ; A. Gathman ; B. Goodell ; B. Henrissat ; K. Ihrmark ; H. Kauserud ; A. Kohler ; K. LaButti ; A. Lapidus ; J. L. Lavin ; Y. H. Lee ; E. Lindquist ; W. Lilly ; S. Lucas ; E. Morin ; C. Murat ; J. A. Oguiza ; J. Park ; A. G. Pisabarro ; R. Riley ; A. Rosling ; A. Salamov ; O. Schmidt ; J. Schmutz ; I. Skrede ; J. Stenlid ; A. Wiebenga ; X. Xie ; U. Kues ; D. S. Hibbett ; D. Hoffmeister ; N. Hogberg ; F. Martin ; I. V. Grigoriev ; S. C. Watkinson
American Association for the Advancement of Science (AAAS)
Published 2011Staff ViewPublication Date: 2011-07-19Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Angiosperms/microbiology ; Basidiomycota/classification/enzymology/*genetics/physiology ; *Biodiversity ; Biological Evolution ; Biota ; Cell Wall/*metabolism ; Coniferophyta/microbiology ; Coriolaceae/enzymology/genetics/physiology ; Gene Expression Profiling ; Genes, Fungal ; Genomics ; Lignin/metabolism ; Mycorrhizae/enzymology/*genetics/physiology ; Oxidoreductases/genetics/metabolism ; Peroxidases/genetics/metabolism ; Phylogeny ; Proteome ; Symbiosis ; Trees/*microbiology ; Wood/metabolism/*microbiologyPublished by: -
4Articles: DFG German National LicensesStaff View
ISSN: 1439-0329Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionNotes: The infection of Picea abies and Larix x eurolepis by Heterobasidion annosum was studied in felled trees in Sweden. Thinnings were carried out in two stands of L. x eurolepis, 15 and 20 years old, and in a 25-year-old stand of P. abies, established on a site heavily infected by H. annosum. The 15- and 20-year-old L. x eurolepis stands exhibited the greatest incidence of butt rot with infections amounting to 38 and 57%, respectively, of removed trees. The incidence of butt rot in the P. abies stand was only 5%. Heterobasidion annosum was the main butt rot causing fungus. All isolates of H. annosum were of the P-intersterility group. Transfer of H. annosum from old-growth P. abies stumps to trees felled in the thinning of the next generation was demonstrated by somatic incompatibility tests. However, the majority of infections could not be connected with decay already established in the previous generation. In L. c eurolepis, rot columns were frequent, including also several genotypes in the same stem, and typically positioned in the inner sapwood. The few infections of P. abies were situated in the heartwood.Type of Medium: Electronic ResourceURL: -
5Articles: DFG German National LicensesStaff View
ISSN: 1439-0329Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionNotes: A total of 101 Fraxinus excelsior trees 8–32 cm in d.b.h. with bark stripping wounds caused by Alces alces and Cervus elaphus in Lithuania were cut, dissected and examined. The injuries ranged in age from 5 to 18 years, when the trees were 22–40 years old and were in the size range 6–24 cm d.b.h. For 5-10 years old wounds, the mean length of associated wood discoloration was 804 × 201 cm, while in 16–18 years old wounds it was 912 × 144 cm. There was no correlation between wound age and extent of discoloration in the stems examined (r = 0.11). Tree d.b.h. and wound size (initial width × length) were correlated with the extent of discoloration (r = 0.43 and r = 0.20, respectively). The presence of complete wound occlusion had no significant effect on the length of columns of discoloration associated with wounds of 10 or more years old. The average occlusion rate during the first 10 years was 128 × 28 mm or 13 mm/year, correlating positively with the radial increment (r = 0.42). Amongst a total of 500 F. excelsior trees with wounds, 29 trees (5.8%) bore basidiomycete fruiting bodies. Most common was Phellinus punctatus, found on 12 (2.4%) stems, followed by Coniophora puteana (1.6%), Peniophora limitata (0.4%) and Datronia mollis (0.4%). Fungi most commonly isolated from discoloured wood were ascomycetes Phaeoacremonium rubrigenum, Phialophora malorum, Hypoxylon rubiginosum, Coniothyrium sporulosum, Libertella spp., Ophiostoma sp., and basidiomycetes Ischnoderma benzoinum, Ischnoderma resinosum, Tyromyces sp.Type of Medium: Electronic ResourceURL: -
6Articles: DFG German National LicensesStaff View
ISSN: 1439-0329Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionNotes: Two greenhouse experiments were conducted to study intraspecific variation in growth of the root rot fungus Heterobasidion annosum in living host sapwood. In experiment 1, Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) seedlings were inoculated with H. annosum isolates, 14 each of the S-and P-intersterility groups, collected from various parts of Sweden. In pine, the P-group isolates were more virulent than the S-group isolates both in terms of infection frequency, induced mortality rate (p 〈 0.05), and fungal growth in sapwood (p 〈 0.05). In spruce, the P-group isolates were also more virulent on average, but the difference was not statistically significant. Both S and P isolates had a higher infection frequency and a significantly longer sapwood growth on spruce than on pine. The P-group caused higher mortality on pine than on spruce. The length of the lesion in the inner bark was strongly correlated with fungal growth in spruce, but not in pine where the lesions were short or absent. In experiment 2, ten Norway spruce clones were inoculated with 18 S-isolates, originating from nine live-decayed trees and from nine spore-infected stumps in a single Norway spruce stand. The objective was to test whether any selection for growth rate in sapwood was detectable among individuals of H. annosum originating either from stumps or trees. The results gave no support for such selection since no difference in sapwood growth between the two groups of isolates was found.Type of Medium: Electronic ResourceURL: -
7Articles: DFG German National LicensesStaff View
ISSN: 1439-0329Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionNotes: After introductory competition tests in the laboratory, Resinicium bicolor was used as a potential control agent for the conifer root rot fungus Heterobasidion annosum. Greenhouse pathogenicity tests with R. bicolor on 4-year-old seedlings of Norway spruce (Picea abies) and Scots pine (Pinus sylvestris) showed moderate incidence of infection. In three places in Sweden, four test areas were chosen for field experiments in first-rotation plantations and also in old forest sites of Norway spruce. Wood blocks, pre-inoculated with one strain of R. bicolor, were buried in the soil beside stumps at 0, 1, 2, 3 and 4 months after thinning using various spatial designs. In two of the test areas, half of the stumps were treated with a suspension of H. annosum conidia from one strain by surface spraying. After 2–3 years, stump roots were investigated and the length of growth of both species were noted. The identity of mycelia reisolated from and wood debris in the test areas were confirmed by somatic compatibility tests with the original strains. The strain of R. bicolor released was recovered from all over the test area; the released H. annosum strain was only reisolated from the conidia sprayed stump roots. R. bicolor had little effect on the growth and occurrence of H. annosum. Potential control of disease spread may arise, however, from occlusion of the pathogen from outer parts of roots.Type of Medium: Electronic ResourceURL: -
8Articles: DFG German National LicensesStaff View
ISSN: 1365-3059Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionNotes: Seeldings of conifer and broadleaf species, 2-4 years old, were inoculated with 10 Swedish S and P intersterility group strains of Heterobasidion annosum under greenhouse conditions. There were significant differences in infection incidence, growth in sapwood and mortality rates. Conifers were generally more susceptible to infection than broadleaf trees. Both intersterility groups developed poorly on Alnus glutinosa, Abies grandis, Poputus tremuta×tremutoides and Quercus robur, but the S-interstedlity group also grew poorly on Pinus sp. and Betula pendula. Results were compared with field observations reported in the literature.Type of Medium: Electronic ResourceURL: -
9Articles: DFG German National LicensesStaff View
ISSN: 1432-1939Keywords: Population structure ; Disturbance ; Resinicium bicolor ; Heterobasidion annosum ; Biological controlSource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Summary Resinicium bicolor (Alb. & Schw. ex Fr.) Parm. [=Odontia bicolor (Alb. & Schw. ex Fr.) Bres.] is an outcrossing resupinate basidiomycete associated with root and butt rots of trees, but is itself only very weakly pathogenic. The distribution of genets among every spruce stump in a 70-year-old 1250 m2 spruce stand was analysed using somatic incompatibility testing. R. bicolor was present on 40% of 8-to 10-year-old stumps. Nineteen genets were found occupying 32 stumps; yielding probabilities of colonisation following establishment by basidiospores of 0.20–0.24 and by mycelial extension or dispersal of 0.16–0.20. The probability of colonisation decreased with increasing distance from a point of establishment. R. bicolor responded to both enrichment and destructive disturbances by the formation of an extensive cord system which enabled it to colonise discontinuously distributed resources and to overgrow fungi adjacent to it in a single resource unit, including Heterobasidion annosum.Type of Medium: Electronic ResourceURL: -
10Articles: DFG German National LicensesStaff View
ISSN: 1432-184XSource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Abstract Interspecific fungal interactions are important ecological processes, whereas their physiological mechanisms are little understood. The aim of this work was to study how activity of fungal extracellular laccase was changed across mycelia during interactions between white- and brown-rot basidiomycetes from different wood decay stages. Qualitative assay of eight species interacting with each other in all combinations showed four spatial patterns of laccase activity: (I) laccase activity present both in contact zone and mycelium, (II) laccase activity only in contact zone, (III) laccase activity in mycelium but not in contact zone, (IV) no laccase activity. Presence of laccase activity only in the contact zone was more frequent than expected from random samples associated with mycelia that replaced other ones. On the other hand, the presence of laccase activity in the mycelium but not in the contact zone was only attributed to fungal species that were replaced by their antagonists. After one month, laccase activity was distributed over mycelia more homogeneously than after 6 days of interactions. In interacting mycelia, laccase activity was higher than in control and increasing with time. Saprotrophic fungi from late successional stages of wood decay generally had higher laccase activity than early succession saprotrophic and pathogenic fungi. The qualitative assays were confirmed by quantitative assay of total laccase activity. Significance of the results in antagonistic fungal interactions as well as in the processes of hyphal tip growth and mycelium senescence is discussed.Type of Medium: Electronic ResourceURL: