Relevant bibliographies by topics / Collybia

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  2. Dissertations / Theses
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Academic literature on the topic 'Collybia'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Collybia"

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Simon, Brigitte, Timm Anke, U. Andersb, M. Neuhausb, and F. Hansske. "Collybial, a New Antibiotic Sesquiterpenoid from Collybia confluens (Basidiomycetes)." Zeitschrift für Naturforschung C 50, no. 3-4 (April 1, 1995): 173–80. http://dx.doi.org/10.1515/znc-1995-3-403.

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A new antibiotic was isolated from fermentations of an american strain of Collybia confluens. Its structure was elucidated by spectroscopic methods as 2,10,10-trimethal-4-oxo-tricyclo[7.2.0.02.5]undec-6-en-carbaldehyde (with the relative stereo chemistry IS, 2R, 5R, 9R) (1). The inhibitor, which was named collybial, is structurally related to koraiol, a sesquiterpenoid isolated from Pinus koraiensis (Khan V. A. (1979), Khim. Prir. Soedin 5, 652-658). Collybial inhibited the growth of Gram-positive bacteria at concentrations starting from 21.5 μm . The propagation of vesicular stomatitis virus (VSV) in baby hamster kidney (BHK-21) cells was inhibited by 21.5 μm collybial. Cytotoxic effects on BHK cells were observed at 5 fold higher concentrations.
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Hołownia, Irena. "Collybia oedipus (Agaricales, Tricholomataceae)." Acta Mycologica 23, no. 1 (August 20, 2014): 125–30. http://dx.doi.org/10.5586/am.1987.006.

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The materiał collected during two consecutive years (1984, 1985) in a deciduous, forest dominated by beech on very fertile soil in the Beskid Niski mts. exhibited a number of characteristics allowing to distinguish the variety <i>oedipus</i> (Quel.) from the group <i>Collybia dryophila</i> (Buli. ex Fr.) Kummer and definitely recognize it as a separate species, <i>Collybia oedipus</i> (Qućl.) Metrod, Hołownia em. now.
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Fitriani, Linna, Yuni Krisnawati, Msy Olivia Rega Anorda, and Ketri Lanjarini. "JENIS-JENIS DAN POTENSI JAMUR MAKROSKOPIS YANG TERDAPAT DI PT PERKEBUNAN HASIL MUSI LESTARI DAN PT DJUANDA SAWIT KABUPATEN MUSI RAWAS." Jurnal Biosilampari: Jurnal Biologi 1, no. 1 (December 31, 2018): 21–28. http://dx.doi.org/10.31540/biosilampari.v1i1.49.

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This study aimed to determine the types and potential of macroscopic fungi in oil palm plantations at PT Musi Lestari Plantation and PT Djuanda Sawit Plantation in Musi Rawas Regency. This research is descriptive qualitative research. Sampling is done by using a purposive sampling method with roaming techniques. The macroscopic fungal species found in the field were made into wet herbarium and identified. The research data were analyzed descriptively. The results of the study obtained 35 species. 35 species of macroscopic fungi including Clitoybe dealbata, Clitoybe decembris, Collybia sp., Collybia chirata, Collybia confluens, Collybia butyracea, Marasminus sp., Boletus sp., Hipholoma marginatum, Pleurotus varreatus, Pleurotus ostreatus, Crepurususus spidus, Crepurususus sp. rameus, Lactarius sp., Volvariella volvaceae, rhacodes Lepiota, Amanita fulva, Amanita virosa, Parasola lactea, Auricularia polytricha, Spongipelis sp., Grivola sp., Grivola sp., Grivola sp., Fvom phomentarius, Ganoderma sp. , Panus sp., Coltricia sp., Coltricia perennes, Pycnoporus cinnabarinus, Tulostoma sp., Lycoperdon gemmatum, Peziza repanda, and Peziza vesiculosa. The conclusions of 35 species were found, belonging to 6 orders, 16 families, and 24 genera. 8 species or 23% macroscopic fungi can be consumed.
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Castronovo, Francesca, Marco Clericuzio, Lucio Toma, and Giovanni Vidari. "Fungal metabolites. Part 45: The sesquiterpenes of Collybia maculata and Collybia peronata." Tetrahedron 57, no. 14 (April 2001): 2791–98. http://dx.doi.org/10.1016/s0040-4020(01)00120-x.

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Murphy, John F. "Intersterility Groups in Collybia subnuda." Mycologia 89, no. 4 (July 1997): 566. http://dx.doi.org/10.2307/3760993.

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Halling, R. E. "Collybia fuscopurpurea in the Americas." Mycological Research 94, no. 5 (July 1990): 671–74. http://dx.doi.org/10.1016/s0953-7562(09)80667-9.

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Braddock, Alan. "A beginner's guide to Collybia." Field Mycology 5, no. 4 (October 2004): 124. http://dx.doi.org/10.1016/s1468-1641(10)60270-8.

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Jones, Philip. "Collybia racemosa a singular agaric." Field Mycology 7, no. 2 (April 2006): 43–46. http://dx.doi.org/10.1016/s1468-1641(10)60364-7.

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Murphy, John F. "Intersterility groups in Collybia subnuda." Mycologia 89, no. 4 (July 1997): 566–77. http://dx.doi.org/10.1080/00275514.1997.12026820.

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Stalpers, Joost A., Keith A. Seifert, and Robert A. Samson. "A revision of the genera Antromycopsis, Sclerostilbum, and Tilachlidiopsis (Hyphomycetes)." Canadian Journal of Botany 69, no. 1 (January 1, 1991): 6–15. http://dx.doi.org/10.1139/b91-002.

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The anamorphic genera Antromycopsis, Sclerostilbum, and Tilachlidiopsis are revised. Three anamorph species with basidiomycetous affinities are accepted in Antromycopsis: A. macrocarpa (Ellis & Everh.) comb.nov. (basionym Stilbum macrocarpum), previously known as A. broussonetiae (teleomorph: Pleurotus cystidiosus), A. angustata sp.nov. for the presumed anamorph of Pleurotus angustatus, and A. guzmanii sp.nov. (teleomorph Pleurotus smithii). A description and illustration are presented of the type species of Tilachlidiopsis, T. racemosa, the anamorph of Collybia racemosa. Sclerostilbum is considered a taxonomic synonym of Tilachlidiopsis. Nothoclavulina ditopa, the anamorph of Arthrosporella ditopa, is illustrated and briefly discussed. Key words: anamorph–teleomorph connections, Antromycopsis, Sclerostilbum, Pleurotus, Collybia, nematophagous fungi.
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Dissertations / Theses on the topic "Collybia"

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Vilgalys, Rytas J. "Evolutionary genetics and systematics of fungi in the Collybia dryophila group." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/49952.

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I have undertaken an evolutionary and systematic study of fungi in the Collybia dryophila group (Basidiomycetes: Tricholomataceae). Species in the C. dryophila group occur worldwide as primary litter decomposers, yet little is known about their systematics. In a previous study, the C. dryophila group in North America was shown to consist of four biological species, identifiable on the basis of mating compatibility and certain taxonomic features (Vilgalys, 1983). In this study, crosses made using isolates from over 80 individuals of the C. dryophila group from Europe indicate that there are four species from that continent as well. All four species are rigorously intersterile, while intra-specific matings occur freely. One exceptional case of reduced intra-group mating compatibility is reported, which may be the result of divergence due to geographic isolation. Morphological studies indicate the four European biological species are all characterized by a high level of polymorphism, frequently involving features previously used to distinguish taxa. Because of this, diagnostic taxonomic features of the European species were reevaluated, and a revised taxonomy presented. Representative tester strains from North America, Europe, Asia, and Australia were crossed to determine world-wide mating relationships in the C. dryophila group. Six major compatibility groups are identified on the basis of frequent mating compatibility. In several instances, populations of different geographic origin are mating-compatible, suggesting that these allopatric populations might be conspecific. Intercompatible allopatric populations are not always similar in their fruit body morphology, however, suggesting that extensive geographic differentiation has occurred in the C. dryophila group. Genetic similarity of different populations was measured by the method of DNA hybridization. In general, there was good correspondence between mating compatibility and base sequence homology in the C. dryophila group. Allopatric, intercompatible populations, however, showed reduced homology when compared to that observed within sympatric populations. This suggests that geographic isolation may play a primary role in the evolution of different species in the C. dryophila group. Finally, a phylogeny based on DNA hybridization data is presented. In summary, several lines of evidence suggest an allopatric mode for speciation in the C. dryophila group.
Ph. D.
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Camy, Cécile. "Influence des facteurs édaphiques et sylvicoles sur le développement du pourridié à Collybie : "Collybia fusipes", dans la chênaie pédonculée." Nancy 1, 2002. http://www.theses.fr/2002NAN10263.

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Collybia fusipes est un parasite primaire lent des racines du chêne, commun en France. L'objectif de ce travail de thèse était de définir les situations écologiques où C. Fusipes pose problème sur chênes pédonculés (Quercus robur), en caractérisant les facteurs édaphiques et sylvicoles liés à sa distribution et son impact, évalué en terme d'association au dépérissement ou en terme de dommages racinaires. C. Fusipes est préférentiellement distribuée dans les sols à textures grossières. Son impact augmente avec la teneur en sable du sol, la diminution de l'engorgement du sol par l'eau ainsi que la diminution de la richesse chimique du sol. Ces conditions interviennent de façon positive directement sur le parasite en favorisant sa survie et l'efficacité d'infection. L'aspect positif des textures grossières et l'aspect négatif de l'engorgement sur le parasite ont pu être expliqués par sa forte sensibilité à l'hypoxie
Collybia fusipes is a slow primary root rot fungus, widespread throughout the French forest. The objective of this work was to determine the ecological situations where C. Fusipes could induce problems on pedunculate oak. The effects of soil and sylvicultural factors potentially related to C. Fusipes distribution and impact, were assessed. Impact of the disease was evaluated through oak decline and infection severity. We have shown that C. Fusipes is preferentially distributed in coarse textured soils. The impact of the disease increases with soil sand content, lower soil water saturation and lower soil fertility. Soil conditions linked with increasing disease impact, have a positive and direct effect on the parasite by favouring its survival and infection success. The positive aspect of coarse soil texture and the negative impact of soil water saturation were explained by the high susceptibility of C. Fusipes to hypoxia
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Murphy, John F. "Microevolutionary studies in Marasmiellus praeacutus and Collybia subnuda, two litter-decomposing basidiomycetes." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-152649/.

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Conway, Gregory John. "Changes in migration strategy and wintering behaviour of common chiffchaff Phylloscopus collybita." Thesis, University of East Anglia, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.554319.

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Common chiffchaff Phylloscopus collybita is an insectivorous migrant passerine, which has been noted wintering in Britain and Ireland, in small numbers, from the early 1800's. Since the early 1970's the frequency of winter individuals has increased considerably, with around 1,000 estimated to have wintered in 1982/83. This thesis investigates the observed changes in wintering abundance and distribution in a novel wintering range during a period of rapid climate change. The majority of wintering individuals are found in the south and west of the British Isles, associated with the maritime climate and elevated temperatures compared to co1der inland and northern locations. At inland and northern sites locally warmer micro-climates are utilised, particularly waste water treatment works, which provide a regular source of invertebrate food above that available from the surrounding countryside. Winter abundance was investigated over 38 winters, and show that a 20 fold increasing in observer wintering numbers had occurred. Occupied winter range, between surveys in the 1980's and mid 2000's had also increased, with more inland sites were being occupied. The two main drivers behind this increase was reduction in winter severity and an increasing western European breeding population. Temporal trends in migration timing in Europe, over a 44 year period, showed that spring departure had commenced earlier and autumn migration was later, however, there was no change in distance travelled between western and central European populations. Genetic and morphological analysis showed that the British wintering population was comprised mostly of individuals originating from western Europe, with a small but increasing number for Asia and a minority from northeast Europe. Estimates of annual survival showed that birds at wintering sites had similar survivors hip to British breeding birds, which winter further south in Europe, indicating that southern England is a viable wintering location.
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Salomon, Marc. "Recherches sur la speciation allopatrique : le cas des pouillots veloces (aves, musciapidae) des formes europeennes (phylloscopus c. collybita) et iberique (p.c. brehmu) dans leur zone de contact des pyrenees occidentales." Paris 7, 1989. http://www.theses.fr/1989PA077112.

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L'etude qualitative et quantitative des signaux acoustiques (surtout les chants) fait apparaitre sans contestation l'existence des deux types de chanteurs. Etude de l'assortiment des couples, des hybrides iberiques europeens et de leurs habitats
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PRŮCHOVÁ, Alexandra. "Song variation in the Chiffchaff \kur{Phylloscopus collybita}: Song parameters suitable for individual coding." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-173104.

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My study deals with general individual characteristics in songs of a passerine bird species Chiffchaff (Phylloscopus collybita), especially I examines the potential of these characteristics for application in acoustic monitoring of bird individuals. I have found that Chiffchaffs have individually distinct songs but unfortunately, song features I measured were not stable in time and hence they would not be suitable for long-term monitoring of individuals. My study suggests that acoustic individual recognition might be challenging in songbird species due to the complexity and plasticity of their song.
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Kubátová, Hana. "Vliv atrapy na chování samců strnada obecného a budníčka menšího v playbackových experimentech." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-446275.

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A playback experiment in which a recording of vocalization is played to the tested subject and its response is observed, is a widely used tool for examining bird song and its functions. Most often only acoustic stimulus is used, but sometimes a visual stimulus is also provided in the form of a dummy. Taxidermic mounts or models made from different materials are used as the dummy. It is discussed among researchers, whether it is or is not necessary to use a dummy in experiments and how does its presence affect behavior of the tested individuals. However, only few studies directly focus on this issue and test the effect of dummies. The best way to test the effects of a dummy on passerines in playback experiments is to test the same individuals in both situations (with a dummy and without a dummy) and compare the reactions. The aim of this theses was to perform such experiments on Chiffchaff (Phylloscopus collybita) and Yellowhammer (Emberiza citrinella) males and to find out whether they would behave similarly in both variants of the experiment, or if their reaction would be enhanced in the presence of a dummy. Chiffchaffs reacted significantly more aggressively in the dummy experiment. The biggest difference was time spent by attacking the dummy and staying close to it. In Yellowhammers, the dummy...
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Books on the topic "Collybia"

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E, Noordeloos Machiel, ed. A monograph of Marasmius, Collybia, and related genera in Europe. Eching: IHW-Verlag, 1993.

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Antonín, Vladimír. A monograph of Marasmius, Collybia, and related genera in Europe. Eching: IHW-Verlag, 1993.

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Book chapters on the topic "Collybia"

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Chibret, Henry. "The Collyria Eye Drops." In The Eye in History, 110. Jaypee Brothers Medical Publishers (P) Ltd., 2013. http://dx.doi.org/10.5005/jp/books/11837_10.

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Conference papers on the topic "Collybia"

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Chenikalova, E. V. "REGULATION OF THE NUMBER OF AN ORDINARY STEM BREAD SAWER BY A SPECIALIZED PARASITE COLLYRIA COXATOR VILL." In V International Scientific Conference CONCEPTUAL AND APPLIED ASPECTS OF INVERTEBRATE SCIENTIFIC RESEARCH AND BIOLOGICAL EDUCATION. Tomsk State University Press, 2020. http://dx.doi.org/10.17223/978-5-94621-931-0-2020-83.

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Stem grain sawflies (Hymenoptera, Cephidae) on the territory of the Stavropol Territory and adjacent regions significantly damage winter crops. An effective natural entomophage of the common sawfly Cephus pygmaeus L. is the collyria ichneumonid (Collyria coxator Villers, 1879). Close correlations of the degree of colliery efficiency with weather conditions during the summer of the host and the parasite, the similarity of requirements for the habitus of the fodder plant were established.
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