2014
DOI: 10.1186/s13567-014-0086-7
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Microscopy and genomic analysis of Mycoplasma parvum strain Indiana

Abstract: Mycoplasma parvum [Eperythrozoon parvum] is the second hemotrophic mycoplasma (hemoplasma) described in pigs. Unlike M. suis, its closest phylogenetic relative, M. parvum, is considered a non-pathogenic bacterium in this host species. Natural infection of a domestic, 6-month-old splenectomized pig with M. parvum strain Indiana is described herein. Light and scanning electron microscopy of the bacteria were performed in addition to whole genome sequencing, analysis, and comparison to the genome of M. suis strai… Show more

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Cited by 17 publications
(29 citation statements)
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References 40 publications
(66 reference statements)
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“…However, we should consider that nearly 90% of the positive animals showed SQ values lower than 10 4 copies/μL, indicating that these pigs were chronically infected and did not show severe signs of anemia [ 18 ]. Besides, it is likely possible that M. parvum is the primary pathogen associated with PH in Brazil, and this PH does not cause any clinical signs, even at the peak of the bacteremia, and yet, seems to persist at low levels in the blood [ 8 ]. On the other hand, when comparing ADWG with SQ mean on d105, a significant correlation was observed.…”
Section: Discussionmentioning
confidence: 99%
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“…However, we should consider that nearly 90% of the positive animals showed SQ values lower than 10 4 copies/μL, indicating that these pigs were chronically infected and did not show severe signs of anemia [ 18 ]. Besides, it is likely possible that M. parvum is the primary pathogen associated with PH in Brazil, and this PH does not cause any clinical signs, even at the peak of the bacteremia, and yet, seems to persist at low levels in the blood [ 8 ]. On the other hand, when comparing ADWG with SQ mean on d105, a significant correlation was observed.…”
Section: Discussionmentioning
confidence: 99%
“…The concomitant presence of both PH has been previously reported in sows from southern Brazil [ 30 ]. When comparing M. suis strain Illinois to M. parvum strain Indiana, bacteremia levels, at the peak, were one log lower for M. parvum than M. suis [ 8 ] . Additionally, these two pathogens are genetically related, and the genome of M. parvum has orthologous for all the protein-coding sequences (CDS) with metabolic functions identified in the genome of M. suis [ 8 ].…”
Section: Discussionmentioning
confidence: 99%
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“…M. haemominutum," "Ca. M. turicensis," M. haemofelis, M. haematoparvum, M. haemocanis and M. wenyonii) infecting pet and domestic animals (do Nascimento et al, 2014;Hoelzle, 2008;Sasaoka et al, 2015;Tasker et al, 2009bTasker et al, , 2010Wengi et al, 2008;Willi et al, 2007b). Thus, the transmission and persistence mechanisms of naturally occurring haemoplasmas in wild animals not subjected to antibiotics or vaccinations that do not cause disease in their mammalian host remain to be explored.…”
Section: Harrusmentioning
confidence: 99%