{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T06:56:27Z","timestamp":1792133787522,"version":"4.4.0"},"reference-count":117,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,11,28]],"date-time":"2024-11-28T00:00:00Z","timestamp":1732752000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Hard ticks (family Ixodidae) are one of the most predominant arthropod disease vectors worldwide, second only to mosquitoes. In addition to harboring animal and human pathogens, ticks are known to carry a microbial community constituted of non-pathogenic organisms, which includes maternally inherited intracellular endosymbionts and other environmentally acquired extracellular microorganisms. These microbial communities, which include bacteria, viruses, protozoans, and fungi\u2014with often commensal, mutualistic, or parasitic associations with the tick\u2014comprise the tick microbiome, bacteria being the most studied community. Many bacterial taxa frequently reported in ticks include soil, plant, and animal-associated microbes, suggesting many are environmentally acquired, including members with known entomopathogenic potential, such as Bacillus thuringiensis, Bacillus spp., and Pseudomonas spp. It has been reported that microbial community composition can impact pathogen persistence, dissemination, and fitness in ticks. In the United States, Ixodes scapularis (northeast) and I. pacificus (west) are the predominant vectors of Borrelia burgdorferi, the causal agent of Lyme disease. Amblyomma americanum is another important tick vector in the U.S. and is becoming an increasing concern as it is the leading cause of alpha-gal syndrome (AGS, or red meat allergy). This condition is caused by tick bites containing the galactose alpha 1,3 galactose (alpha-gal) epitope in their saliva. In this paper, we present a summary of the tick microbiome, including the endosymbiotic bacteria and the environmentally acquired (here referred to as the non-endosymbiotic community). We will focus on the non-endosymbiotic bacteria from Ixodes spp. and Amblyomma americanum and discuss their potential for novel biocontrol strategies.<\/jats:p>","DOI":"10.3390\/microorganisms12122451","type":"journal-article","created":{"date-parts":[[2024,11,28]],"date-time":"2024-11-28T08:15:54Z","timestamp":1732781754000},"page":"2451","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["The Tick Microbiome: The \u201cOther Bacterial Players\u201d in Tick Biocontrol"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4197-0970","authenticated-orcid":false,"given":"Paulina","family":"Maldonado-Ruiz","sequence":"first","affiliation":[{"name":"Department of Entomology, College of Agriculture, Life and Environmental Sciences, University of Arizona, Tucson, AZ 85719, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Bonnet, S.I., Binetruy, F., Hernandez-Jarguin, A.M., and Duron, O. 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