Tick-borne infections represent a One Health concern. Without proper protection, tick bites may lead to transmission of tick-borne microorganisms to the animals or the pet owners, which may cause serious and even life-threatening illness. In the northern part of Europe, the most common tick-borne pathogens of zoonotic potential are Borrelia spp., Anaplasma phagocytophilum, and TBEV. However, Rickettsia spp., Candidatus Neoehrlichia mikurensis, and Babesia spp. are also reported [5, 6]. Further, polymicrobial infections can occur, as ticks can carry multiple pathogens simultaneously. This can complicate the diagnosis and management of some cases, especially due to the lack of broad-spectrum diagnostic tools for routine testing and the limited therapeutic options [5, 6].
Several European countries have reported an increase of tick-borne infections, occurring mainly due to changes in climatic and environmental conditions, host reservoir densities, and exposure of human populations [14]. In this context, there is a crucial need for understanding the circulation and the diversity of tick-borne pathogens causing diseases in animals and humans. Pets, particularly dogs, can be used as sentinels for tick-borne diseases. Tick surveillance and analysis in pets can help in estimating the potential risk of these often zoonotic pathogens [15].
Babesia spp. have medical and veterinary importance. According to the Finnish Food Authority, bovine babesiosis was last reported in 2021 [44]. In Finnish humans, a fatal case due to B. divergens was reported in a previously ill man who was infected simultaneously with Borrelia in 2004 [45]. We are unaware of any other cases at the time of this study. In the current study, B. venatorum was found in ticks (three in I. ricinus and one in R. sanguineus) collected from Taivassalo, Jyväskylä, and Tampere, which are on the southern coast and central part of Finland. Babesia venatorum was detected in Finnish ticks collected in 2015 [30], although no human or animal cases have been reported in the country. However, animal and human infections due to B. venatorum have been reported elsewhere [46, 47].
The authors would like to thank Johanna Martikainen and Eetu Sironen for their help in reporting the data and MSD partners Melina Bruno-Paasisalo, Risto Pulkkinen, Eppu Petrelius, Minna Lahti, and Randi Lintrup for supporting this study. We also thank our partners Dr Jani Sormunen from the University of Turku, Finland, and Tomas Jinnerot at National Veterinary Institute, Sweden, for providing positive controls. We thank all the participating clinics and pet owners.
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Markedly, before the evolutionary bottleneck and clonal expansion of MTB members, the ancestral M. prototuberculosis species had acquired the particular Rv0986-8 virulence operon by HGT from an alpha proteobacterium [15] and evidently this operon still exists only in MTBC members.
Conservation is evaluated by first blasting the predicted proteomes of the genomes against each other. For each proteome, a BLAST search is performed against all previous proteomes. The result is a set of numbers specific for that time point that represents the proteome in the order of the input list, showing:
All annotated proteins of all 21genome sequences currently available have been collected, and blasted each of the individual sequences against the collection. For each bacterium, the number of genes distinct for that organism and the number of genes shared with the other species have been extracted. The BLAST matrix was constructed, showing protein similarity between all combinations of mycobacterial genomes (Figure 2), and reflect to some extent an evolutionary distance or similarity between the individual species.
The protein families were built by blasting proteins together. If they satisfy the match criteria, they are clustered together. If one of the proteins in the match is a member of an existing gene family, the other protein is added to the same family.
FZ performed analyzed the data and wrote the first draft of the manuscript. AO performed the computational analysis and participated in the design of the study. DU made substantial contribution to conception and design of the study and participated in data interpretation. All authors read and approved the final manuscript.
John Geibel, MD, MSc, DSc, AGAF Vice Chair and Professor, Department of Surgery, Section of Gastrointestinal Medicine, Professor, Department of Cellular and Molecular Physiology, Yale University School of Medicine; Director of Surgical Research, Department of Surgery, Yale-New Haven Hospital; American Gastroenterological Association Fellow; Fellow of the Royal Society of Medicine
John Geibel, MD, MSc, DSc, AGAF is a member of the following medical societies: American Gastroenterological Association, American Physiological Society, American Society of Nephrology, Association for Academic Surgery, International Society of Nephrology, New York Academy of Sciences, Society for Surgery of the Alimentary Tract
Disclosure: Nothing to disclose.
Brian J Daley, MD, MBA, FACS, FCCP, CNSC Professor and Program Director, Department of Surgery, Chief, Division of Trauma and Critical Care, University of Tennessee Health Science Center College of Medicine
Brian J Daley, MD, MBA, FACS, FCCP, CNSC is a member of the following medical societies: American Association for the Surgery of Trauma, Eastern Association for the Surgery of Trauma, Southern Surgical Association, American College of Chest Physicians, American College of Surgeons, American Medical Association, Association for Academic Surgery, Association for Surgical Education, Shock Society, Society of Critical Care Medicine, Southeastern Surgical Congress, Tennessee Medical Association
Disclosure: Nothing to disclose.
Angioplasty is a procedure to improve blood flow in coronary arteries that have become narrow or blocked. Your coronary arteries supply oxygen-rich blood to the heart. If you have coronary artery disease, a sticky material called plaque builds up in the coronary arteries. Plaque is made of cholesterol, calcium, and other substances in your blood. Over time, it can narrow your arteries or fully block them. When this happens, some parts of your heart don't get enough blood.
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Abstract:Arthropod-borne infections are a medical and economic threat to humans and livestock. Over the last three decades, several unprecedented viral outbreaks have been recorded in the Western part of the Arabian Peninsula. However, little is known about the circulation and diversity of arthropod-borne viruses in this region. To prepare for new outbreaks of vector-borne diseases, it is important to detect which viruses circulate in each vector population. In this study, we used a metagenomics approach to characterize the RNA virome of ticks infesting dromedary camels (Camelus dromedaries) in Makkah province, Saudi Arabia. Two hundred ticks of species Hyalomma dromedarii (n = 196) and Hyalomma impeltatum (n = 4) were collected from the Alkhurma district in Jeddah and Al-Taif city. Virome analysis showed the presence of several tick-specific viruses and tick-borne viruses associated with severe illness in humans. Some were identified for the first time in the Arabian Peninsula. The human disease-associated viruses detected included Crimean Congo Hemorrhagic fever virus and Tamdy virus (family Nairoviridae), Guertu virus (family Phenuiviridae), and a novel coltivirus that shares similarities with Tarumizu virus, Tai forest reovirus and Kundal virus (family Reoviridae). Furthermore, Alkhurma hemorrhagic virus (Flaviviridae) was detected in two tick pools by specific qPCR. In addition, tick-specific viruses in families Phenuiviridae (phleboviruses), Iflaviridae, Chuviridae, Totiviridae and Flaviviridae (Pestivirus) were detected. The presence of human pathogenetic viruses warrants further efforts in tick surveillance, xenosurveillence, vector control, and sero-epidemiological investigations in human and animal populations to predict, contain and mitigate future outbreaks in the region.Keywords: virome analysis; Hyalomma dromedarii; dromedary camels; province of Makkah; Saudi Arabia; arboviruses; tick-borne diseases
The bladder is a balloon-shaped organ that stores urine, which is made in the kidneys. It is held in place by pelvic muscles in the lower part of your belly. When it isn't full, the bladder is relaxed. Muscles in the bladder wall allow it to expand as it fills with urine. Nerve signals in your brain let you know that your bladder is getting full. Then you feel the need to go to the bathroom. The brain tells the bladder muscles to squeeze (or "contract"). This forces the urine out of your body through your urethra.
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