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  1. Article ; Online: Flow-mediated olfactory communication in honeybee swarms.

    Nguyen, Dieu My T / Iuzzolino, Michael L / Mankel, Aaron / Bozek, Katarzyna / Stephens, Greg J / Peleg, Orit

    Proceedings of the National Academy of Sciences of the United States of America

    2021  Volume 118, Issue 13

    Abstract: Honeybee swarms are a landmark example of collective behavior. To become a coherent swarm, bees locate their queen by tracking her pheromones. But how can distant individuals exploit these chemical signals, which decay rapidly in space and time? Here, we ...

    Abstract Honeybee swarms are a landmark example of collective behavior. To become a coherent swarm, bees locate their queen by tracking her pheromones. But how can distant individuals exploit these chemical signals, which decay rapidly in space and time? Here, we combine a behavioral assay with the machine vision detection of organism location and scenting (pheromone propagation via wing fanning) behavior to track the search and aggregation dynamics of the honeybee
    MeSH term(s) Animal Communication ; Animals ; Bees/physiology ; Female ; High-Throughput Screening Assays ; Machine Learning ; Models, Biological ; Nesting Behavior/physiology ; Pheromones/chemistry ; Smell/physiology ; Spatio-Temporal Analysis
    Chemical Substances Pheromones
    Language English
    Publishing date 2021-03-23
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2011916118
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Identification of a hydrophobin gene that is developmentally regulated in the ectomycorrhizal fungus Tricholoma terreum

    Mankel, A / Krause, K / Kothe, E

    Applied and environmental microbiology. Mar 2002. v. 68 (3)

    2002  

    Abstract: The symbiosis between ectomycorrhizal fungi and trees is an essential part of forest ecology and depends entirely on the communication between the two partners for establishing and maintaining the relationship. The identification and characterization of ... ...

    Abstract The symbiosis between ectomycorrhizal fungi and trees is an essential part of forest ecology and depends entirely on the communication between the two partners for establishing and maintaining the relationship. The identification and characterization of differentially expressed genes is a step to identifying such signals and to understanding the regulation of this process. We determined the role of hydrophobins produced by Tricholoma terreum in mycorrhiza formation and hyphal development. A hydrophobin was purified from culture supernatant, and the corresponding gene was identified. The gene is expressed in aerial mycelium and in mycorrhiza. By using a heterologous antiserum directed against a hydrophobin found in the aerial mycelium of Schizophyllum commune, we detected a hydrophobin in the symbiosis between T. terreum and its native pine host Pinus sylvestris. The hydrophobin was found in aerial mycelium of the hyphal mantle and also in the Hartig net hyphae, which form the interface between both partners. Interestingly, this was not the case in the interaction of T. terreum with a host of low compatibility, the spruce Picea abies. The differential expression with respect to host was verified at the transcriptional level by competitive PCR. The differential protein accumulation pattern with respect to host compatibility seen by immunofluorescence staining can thus be attributed at least in part to transcriptional control of the hyd1 gene.
    Keywords Tricholoma ; proteins ; genes ; nucleotide sequences ; amino acid sequences ; Pinus sylvestris ; Picea abies ; gene expression ; messenger RNA ; hyphae ; mycelium ; ectomycorrhizae
    Language English
    Dates of publication 2002-03
    Size p. 1408-1413.
    Document type Article
    ZDB-ID 223011-2
    ISSN 1098-5336 ; 0099-2240
    ISSN (online) 1098-5336
    ISSN 0099-2240
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Re-evaluation of the phylogenetic relationship among species of the genus Tricholoma.

    Mankel, A / Kost, G / Kothe, E

    Microbiological research

    1999  Volume 153, Issue 4, Page(s) 377–388

    Abstract: The internal transcribed spacer sequences spanning the regions between the 17S and 25S rRNAs (ITS1 and ITS2) and including the complete sequence of the 5.8S rRNA were used for phylogenetic analyses. This approach to define phylogenetic relationships ... ...

    Abstract The internal transcribed spacer sequences spanning the regions between the 17S and 25S rRNAs (ITS1 and ITS2) and including the complete sequence of the 5.8S rRNA were used for phylogenetic analyses. This approach to define phylogenetic relationships within the genus Tricholoma was tested using different isolates of T. terreum. Fruitbodies identified in nature were analysed in order to allow use of morphology for taxonomy. The isolates from different locations were closely related as could be expected for one species. Thus, the method could be applied to different Tricholoma species. Three clusters within the genus Tricholoma can be distinguished with four additional species not included in any of these clusters. Molecular analyses of two Cortinarius species confirm a phylogenetically distinct genus.
    MeSH term(s) Agaricales/classification ; Agaricales/genetics ; Agaricales/growth & development ; Base Sequence ; DNA, Fungal/genetics ; DNA, Ribosomal/genetics ; Molecular Sequence Data ; Phylogeny ; Polymerase Chain Reaction/methods ; RNA, Fungal/genetics ; RNA, Ribosomal/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Species Specificity
    Chemical Substances DNA, Fungal ; DNA, Ribosomal ; RNA, Fungal ; RNA, Ribosomal
    Language English
    Publishing date 1999-01
    Publishing country Germany
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1189614-0
    ISSN 1618-0623 ; 0944-5013
    ISSN (online) 1618-0623
    ISSN 0944-5013
    DOI 10.1016/S0944-5013(99)80053-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Book: Quantitative Bestimmung fettloeslicher Vitamine durch Hochdruckfluessigkeits-Chromatographie

    Mankel, A.

    1979  

    Institution Chemisches Untersuchungsamt, Bochum (Germany, F.R.)
    Keywords Chromatographie ; Fett ; Magermilch ; Carotinoid ; Druck ; Analyse ; Futtermittel ; Genauigkeit ; Chemie ; Oel ; Pflanze ; Methodik ; Nahrungsmittel
    Document type Book
    Database ELFIS - Nutrition, agriculture and forestry information system

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  5. Article: Quantitative Bestimmung fettloslicher Vitamine durch Hochdruckflussigkeits-Chromatographie

    Mankel, A

    Deutsche Lebensmittel-Rundschau Mar 1979. v. 75 (3)

    1979  

    Title translation Quantitative determination of fat-soluble vitamins with high pressure liquid chromatography.
    Keywords nutrition education ; human nutrition
    Language German
    Dates of publication 1979-03
    Size p. 77-85., ill.
    Document type Article
    Note Summaries in English and French.
    ZDB-ID 506425-9
    ISSN 0012-0413 ; 1869-2214
    ISSN 0012-0413 ; 1869-2214
    Database NAL-Catalogue (AGRICOLA)

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  6. Article ; Conference proceedings: Die derzeitige Situation der lebensmittelchemischen und -rechtlichen Beurteilung der "Verdorbenheit" von Brat- und Siedefetten in der Bundesrepublik Deutschland

    Mankel, A

    Fette, Seifen, Anstrichmittel. 1979. (special issue)

    1979  

    Title translation Current situation on the assessment of spoilage of frying and cooking fats in the Federal Republic of Germany from the viewpoint of food chemistry and food legislation.
    Event/congress DGF-Symposium uber Brat- und Siedelfette (1979, Munster)
    Keywords German Federal Republic
    Language German
    Size p. 534-539., ill.
    Document type Article ; Conference proceedings
    Note Summary in English.
    ZDB-ID 212788-x
    ISSN 0015-038X
    ISSN 0015-038X
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: Beitrag zur Analytik von Fritierfetten

    Mankel, A

    Getreide, Mehl und Brot. Apr 1975, 29 (4)

    1975  

    Title translation Analytical problems of frying fats.
    Keywords agricultural products
    Language German
    Dates of publication 1975-04
    Size p. 99-103.
    Document type Article
    ZDB-ID 121312-x
    ISSN 0367-4177 ; 0344-2322
    ISSN 0367-4177 ; 0344-2322
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: Zur Analytik und Beurteilung voin Friturefetten. III. Beobachtungen aus der Praxis der Lebensmittelulberwachung

    Mankel, A

    Fette, Seifen, Anstrichmittel Jan 1974, 76 (1)

    1974  

    Title translation Analysis and assessment of frying fats. 3. observations from the practice of food inspection.
    Keywords human nutrition ; consumer science ; consumer protection ; consumer education
    Language German
    Dates of publication 1974-01
    Size p. 20-25.
    Document type Article
    Note Includes summary in English
    ZDB-ID 212788-x
    ISSN 0015-038X
    ISSN 0015-038X
    Database NAL-Catalogue (AGRICOLA)

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  9. Article: Zur Analytik und Beurteilung von Friturefetten. i

    Mankel, A

    June 1970, 72 (6)

    1970  

    Title translation Analysis and evaluation of frying fats. i.
    Keywords organic production ; alternative farming
    Language German
    Dates of publication 1970-06
    Size p. 483-487.
    Document type Article
    Note English summary. bibliographical footnotes.
    Database NAL-Catalogue (AGRICOLA)

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  10. Article: Zur Analytik und Beurteilung von Friturefetten. iI

    Mankel, A

    Aug 1970, 72 (8)

    1970  

    Title translation Analysis and evaluation of frying fats. iI.
    Keywords human nutrition ; family and consumer science ; food science
    Language German
    Dates of publication 1970-08
    Size p. 677-688.
    Document type Article
    Database NAL-Catalogue (AGRICOLA)

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