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Volume 25, Number 2—February 2019
Research Letter

Dolphin Morbillivirus in Eurasian Otters, Italy

Iolanda Padalino, Giovanni Di GuardoComments to Author , Antonio Carbone, Pasquale Troiano, Antonio Parisi, Domenico Galante, Maria Assunta Cafiero, Marta Caruso, Lucia Palazzo, Laura Guarino, Laura De Riso, Cinzia Centelleghe, Sandro Mazzariol, and Antonio Petrella
Author affiliations: Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy (I. Padalino, A. Carbone, P. Troiano, A. Parisi, D. Galante, M.A. Cafiero, A. Petrella); University of Teramo, Teramo, Italy (G. Di Guardo); Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Matera, Italy (M. Caruso); Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Potenza, Italy (L. Palazzo); Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Taranto, Italy (L. Guarino); Ente Parco Nazionale del Cilento, Salerno, Italy (L. De Riso); University of Padua, Padua, Italy (C. Centelleghe, S. Mazzariol)

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Figure

Evidence of dolphin morbillivirus infection in Eurasian otters (Lutra lutra), southwestern Italy. A) Comparison of nucleoprotein gene amplification products from infected otters, obtained by reverse transcription PCR. A specific band at the expected molecular weight of 287 bp is shown. Lane 1, molecular weight marker (Tracklt 100bp DNA Ladder; Invitrogen, http://www.thermofisher.com); lane 2, positive control (lung tissue from an infected striped dolphin, Stenella coeruleoalba); lane 3, negative

Figure. Evidence of dolphin morbillivirus infection in Eurasian otters (Lutra lutra), southwestern Italy. A) Comparison of nucleoprotein gene amplification products from infected otters, obtained by reverse transcription PCR. A specific band at the expected molecular weight of 287 bp is shown. Lane 1, molecular weight marker (Tracklt 100bp DNA Ladder; Invitrogen, http://www.thermofisher.com); lane 2, positive control (lung tissue from an infected striped dolphin, Stenella coeruleoalba); lane 3, negative control (distilled water); lanes 4–7, samples from morbillivirus-positive Eurasian otters: LL-290, lung (lane 4); LL-291, kidney (lane 5); LL-3380, lung (lane 6); LL-7318, lung (lane 7). B) Mayer’s hematoxylin counterstain of lung tissue shows marked and widespread immunohistochemical labeling for morbillivirus antigen (dark areas), particularly evident at the level of vascular walls and endothelial cells and, to a lesser extent, of alveolar epithelial cells (morphologically consistent, or not, with hyperplastic type II pneumocytes) as well as of thickened alveolar septa. Scale bar indicates 100 μm.

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Page created: January 18, 2019
Page updated: January 18, 2019
Page reviewed: January 18, 2019
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