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Saturday, October 17, 2020 | History

1 edition of The Aspergillus glaucus group found in the catalog.

The Aspergillus glaucus group

Thom, Charles

The Aspergillus glaucus group

by Thom, Charles

  • 9 Want to read
  • 31 Currently reading

Published by U.S. Dept. of Agriculture in Washington, D.C .
Written in English

    Subjects:
  • Fungi -- Identification.

  • Edition Notes

    Statementby Charles Thom and Kenneth B. Raper.
    GenreIdentification.
    SeriesMiscellaneous publication / United States Department of Agriculture -- no. 426, Miscellaneous publication (United States. Dept. of Agriculture) -- no. 426.
    ContributionsRaper, Kenneth B. 1908-
    The Physical Object
    Pagination46 p. :
    Number of Pages46
    ID Numbers
    Open LibraryOL22994365M

    Microbiology and Epidemiology of Aspergillosis. illus fumigatus is the most common species recovered from cases of invasive aspergillosis [].The next most commonly recovered species are Aspergillus flavus, Aspergillus niger, and Aspergillus terreus [].Some institutions may have a predominance of A. flavus or A. terreus as the most frequently recovered species of Aspergillus []. Aspergillus, as a genus of filamentous fungi, has members that display a variety of different behavioural strategies, which are affected by various environmental factors. The decoded genomic sequences of many species vary greatly in their evolutionary similarities, encouraging studies on the functions and evolution of the Aspergillus genome in complex natural environments.

    According to the website Blackmold, “After one week of growth at around 25 degrees Celsius an Aspergillus colony will generally be cm in diameter, however Aspergillus glaucus and Aspergillus nidulans grow more slowly and will generally be cm after the same time.”. The colouring matters of species in the Aspergillus nidulans group. Part I. Asperthecin, a crystalline colouring matter of Aspergillus quadrilineatus Thom & Raper. B. H. Howard and H. Raistrick Author information metabolic products respectively of Helminthosporium catenarium Drechsler and of species in the Aspergillus glaucus series.

    The Aspergillus glaucus group is one of the most popular storage fungi 1,2 and a possible subsidiary etiologic agent of farmer's lung, 3,4 but no case of hypersensitivity pneumonitis (HP) due to A. glaucus has been reported. This first case may demonstrate the etiologic role of A. glaucus .   44 Aspergillus glaucus group". The section has been monographed and revised by several authors (Raper and Fennell , Blaser , Samson , Koza-kiewicz ), and its monophyly is supported by sequence data (Peterson , ). Subgenus Aspergillus sects. Aspergillus and Restńcti form a well supported basal clade within Aspergillus s.


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The Aspergillus glaucus group by Thom, Charles Download PDF EPUB FB2

The Aspergillus glaucus group by Thom, Charles, ; Raper, Kenneth B. (Kenneth Bryan), THE ASPERGILLUS GLAUCUS GROUP 19 ASPERGILLUS CHEVALIERI SERIES Ascospores lenticular, mostly ai to by ^ to m, occasion- ally up to m in long axis, with walls smooth or slightly rough, with crests prominent, flexuous, often recurved, and with furrow conspicu- ous but consisting more of a trough between extended equatorial crests than a depression in the spore wall.

In their monograph of the genus Aspergillus, Raper and Fennell () accepted species subdivided into 18 groups. The generic and species concepts were well circumscribed and this monograph is still valuable and by:   Auroglaucin and flavoglaucin are major end products of carbohydrate metabolism among members of the Aspergillus glaucus group.

Striking quantities of these pigments are produced in both surface and submerged cultures. (2) Even after considerable growth has developed, aerobic conditions are essential for pigment formation.

Cited by: 5. In Aspergillus nidulans, there are two putative glycerol 3‐phosphate dehydrogenases encoded by the genes gfdA and gfdB, while the genome of the osmophilic Aspergillus glaucus harbors only the ortholog of the A.

nidulans gfdA gene. Our aim was to insert the gfdB gene into the genome of A. glaucus, and we reached this goal with the adaptation of the Agrobacterium tumefaciens‐mediated. Although Aspergillus glaucus is ubiquitous in warm moist environments, few cases of infections like IPA caused by the pathogen has been reported.

Voriconazole might be one better choice to treat the diseases. However, the patient discharged voluntarily from the hospital without remission of symptoms after four days therapy and died one week later. The Aspergillus glaucus group contains approximately 17 species (subject to continued molecular study and reassignment, I’m sure).

Of these, some species are extremely xerophilic (need little or no water to survive) and as such, may be found in greater numbers in tropical to subtropical regions as opposed to temperate zones.

The black aspergilli, Aspergillus section Nigri (Gams et al. ) includes species with uniseriate or biseriate conidial heads, spherical to pyriform vesicles, smooth-walled stipes and black or near black-coloured conidia.

This group contains about 26 species with Aspergillus niger being the most common species isolated. Maja Peraica, in Environmental Mycology in Public Health, Ochratoxins. Ochratoxins are a group of mycotoxins produced by Penicillium verrucosum and various species of Aspergillus molds (Aspergillus alliaceus, Aspergillus auricomus, Aspergillus carbonarius, Aspergillus glaucus, Aspergillus melleus, Aspergillus niger) that contaminate crops in the field, leading to field and.

ASPERGILLUS GLAUCUS GROUP, Rivista di Patologia Vegetale, Serie IV, Vol. 8, SUPPLEMENTO: SCANNING ELECTRON MICROSCOPY OF ASCOSPORIC ASPERGILLI (), pp. The occurrence of emodin, erythroglaucin, physcion, physcionanthrone, questin, catenarin, and catenarinmethyl ether in different species of the Aspergillus glaucus group (genus Eurotium) was investigated.

So far catenarinmethyl ether (1, 4, 6-trihydroxymethoxymethylanthraquinone) has not been described as a natural product; it was therefore given the name rubrocristin.

Aspergillus Aspergillus a Nomenclature of infrageneric taxa of the genus Aspergillus (group-names following the classification of Raper and Fennell,) Subgenus Section Aspergillus Aspergillus (A.

glaucus-group) Restricti (A. restrictus-group) Fumigati Fumigati (A. fumigatus-group) Cervini (A. cervinus-group). A Colonies on MEA +20 % sucrose after 2 weeks; B ascomata, x 40; C conidiophore of Aspergillus glaucus x ;D conidiophore of Aspergillus glaucus x E.

portion of ascoma with asci x F ascospores x Eurotium is a genus that comprises the teleomorph forms of several Aspergillus species, notably the Aspergillus glaucus group.

However, although teleomorph forms of Aspergillus have been described in at least eight genera, Eurotium is arguably the most significant to humans as they are a common agent of food spoilage [1]. There are 81 species.

One such example is the genus Eurotium, the name for the sexual state for species in the former Aspergillus glaucus group.

1 However, following the recent changes in fungal nomenclature 2,3 and based on phylogenetic studies, 4,5 all generic names for sexual states of Aspergillus are now included under the name Aspergillus, and former species of. " Toxicity and mutagenicity of molds of the Aspergillus glaucus group.

Identification of physcion and three related anthraquinones as main toxic constituents from Aspergillus chevalieri " From the journal Journal of Agricultural and Food Chemistry (USA) ISSN: Aspergillus glaucus Part V of the Aspergillus series. You made it. If this is your first visit to the blog, you’ve arrived at Part 5 of a weekly Aspergillus series.

So far we’ve covered: Aspergillus fumigatus, Aspergillus niger, Aspergillus flavus, and Aspergillus versicolor.

This week, I’m going to. Aspergillus is the genus name for a group (over species) of filamentous fungi or common molds, most of which occur in an asexual state, and reproduce by producing conidia (asexual spores or conidiophores) that can spread into many different environments, germinate, and then grow.

About 20 species cause infections in humans. Aspergillus fumigatus is the most common of the group. Books; Books – Open Access; Conference abstracts, posters & presentations; History of Aspergillus & Obituaries.

Historical Papers; years of the New England Journal of Medicine; History of Mycology around the world; Hall of Fame and obituaries; Historical Articles & Links; Mycological & Clinical Societies and Groups; Newspaper cuttings.

Aspergillus niveoglaucus Thom & Raper, U.S. Department of Agriculture Miscellaneous Publications 35 () [MB#]. Eurotium species are the sexual states of Aspergillus species, notably the Aspergillus glaucus group among others. Eurotium is common and is most closely related to Emericella, another genus with Aspergillus anamorphs.

Eurotium is likely to be present along with related Aspergilli if growth has been long term and the nutrients of the substrate.The amount range of fungal colonies in HIV/AIDS ward were – CFU/m3 and the identified fungi were: Aspergillus’s Niger, Aspergillus’s glaucus group and Penicillium sp.

Based on this study it can be concluded that only Aspergillus’s glaucus and Penicillium sp were found in the neurosurgery operating theater and HIV/AIDS ward, while.Aspergillus niveoglaucus.

Aspergillus niveoglaucus is a species of fungus in the genus Aspergillus. It is from the Aspergillus section. The species was first described in It has been reported to produce asperflavin, auroglaucin, bisanthrons, dihydroauroglaucin, echinulins, emodin, erythroglaucin, flavoglaucin, mycophenolic acid (tentatively identified), neoechinulins, physcion, questin, questinol.