Giuseppe La Rosa
Research Subjects
Research Interests
Giuseppe La Rosa has a total of 9 co-authors. Here are the top co-authors by number of shared publications:
- Angelica Bianco
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
1 shared publication - Antonella Cristina Romano
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, 71121 Foggia, Italy
1 shared publication - Domenico Galante
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, 71121 Foggia, Italy
1 shared publication - Laura Del Sambro
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, 71121 Foggia, Italy
1 shared publication - Lorenzo Pace
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, 71121 Foggia, Italy
1 shared publication - Lucia Palazzo
Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, 71121 Foggia, Italy
1 shared publication
Latest Publications
- Open Access
- 27 February 2025
- Published by PAGEPress Publications in Italian Journal of Food Safety
- Vol. 14 (2)
Identification of Actinobacillus seminis as the cause of abortion in sheep by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and whole genome sequencing
Actinobacillus seminis is a gram-negative bacterium that affects reproductive organs, causing epididymitis, low fertility, and occasional abortions in sheep and goats. The virulence factors and the pathogenicity mechanisms of A. seminis have not been clearly elucidated yet. The aim of this study is to report a laboratory investigation performed on a sheep farm in the Basilicata region (southern Italy) following cases of abortion. Four samples of aborted fetuses taken from two sheep were analyzed to investigate the main pathogens causing abortions by bacterial isolation. In addition, serum samples belonging to the sheep have also been analyzed. Analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) of the isolated colonies identified protein spectra referable to A. seminis. This result was also confirmed through the use of genome sequencing. Therefore, these data could explain cases of abortion that occurred on the farm and would confirm that MALDI-TOF MS technology is a rapid, accurate, and inexpensive method for identifying bacteria.
- 27 February 2025
- Published by PAGEPress Publications in Italian Journal of Food Safety
- Vol. 14 (2)
Open AccessIdentification of Actinobacillus seminis as the cause of abortion in sheep by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and whole genome sequencing
Actinobacillus seminis is a gram-negative bacterium that affects reproductive organs, causing epididymitis, low fertility, and occasional abortions in sheep and goats. The virulence factors and the pathogenicity mechanisms of A. seminis have not been clearly elucidated yet. The aim of this study is to report a laboratory investigation performed on a sheep farm in the Basilicata region (southern Italy) following cases of abortion. Four samples of aborted fetuses taken from two sheep were analyzed to investigate the main pathogens causing abortions by bacterial isolation. In addition, serum samples belonging to the sheep have also been analyzed. Analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) of the isolated colonies identified protein spectra referable to A. seminis. This result was also confirmed through the use of genome sequencing. Therefore, these data could explain cases of abortion that occurred on the farm and would confirm that MALDI-TOF MS technology is a rapid, accurate, and inexpensive method for identifying bacteria.