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Autofluorescence and Ultrastructure in the Myxomycete Diachea leucopodia (Physarales)

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Abstract

Autofluorescence is reported for the first time in Myxomycete fruiting bodies. Ultrastructure of stalked sporangia of Diachea leucopodia (Didymiaceae, Physarales) was studied using scanning and transmission electron microscopy, energy-dispersive X-ray microanalysis, and fluorescence microscopy. External and internal properties of the peridium that surround the spores and capillitium exhibit autofluorescence. The stalk is composed of calcareous granules and energy-dispersive X-ray microanalysis demonstrates that the elemental composition of the peridium, capillitium, and stalk has varying concentrations of calcium.

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Acknowledgments

This study was financially supported by the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET-PIP1482, PIP 112-200801-01880), Agencia Nacional de Promoción Científica y tecnológica ANPCYT-BID Grant No. 1728/OC-AR06-01785 and PICT 2001/01346), and UBA (Grant X208). Publication number 198 PHRIDEB-CONICET.

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Authors and Affiliations

  1. Departamento de Biodiversidad y Biología Experimental, FCEN, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, C1428EHA, Buenos Aires, Argentina

    Cecilia C. Carmarán & Sonia Rosenfeldt

  2. Grupo de Electromagnetismo Aplicado, Departamento de Física, FCEN, Ciudad Universitaria, Universidad de Buenos Aires, and IFIBA, CONICET, Pabellón I, C1428EHA, Buenos Aires, Argentina

    Diana Skigin & Marina Inchaussandague

  3. Department of Biology and Earth Science, University of Central Missouri, Warrensburg, MO, 64093, USA

    Harold W. Keller

  4. Botanical Research Institute of Texas, Fort Worth, TX, 76107, USA

    Harold W. Keller

Authors
  1. Cecilia C. Carmarán
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  2. Sonia Rosenfeldt
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  3. Diana Skigin
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  4. Marina Inchaussandague
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  5. Harold W. Keller
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Corresponding author

Correspondence to Cecilia C. Carmarán.

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Carmarán, C.C., Rosenfeldt, S., Skigin, D. et al. Autofluorescence and Ultrastructure in the Myxomycete Diachea leucopodia (Physarales). Curr Microbiol 67, 674–678 (2013). https://doi.org/10.1007/s00284-013-0418-2

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  • DOI: https://doi.org/10.1007/s00284-013-0418-2

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