Current Ticks News and Events

Current Ticks News and Events, Ticks News Articles.
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Deeper insight into how tick spit suppresses cattle immunity
A tick saliva study reveals immune responses that could lead to better protection for cattle. (2021-01-28)

New study identifies bird species that could spread ticks and Lyme disease
A new study published in the journal Global Ecology and Biogeography used machine learning to identify bird species with the potential to transmit the Lyme disease bacterium (Borrelia burgdorferi) to feeding ticks. The team developed a model that identified birds known to spread Lyme disease with 80% accuracy and flagged 21 new species that should be prioritized for surveillance. (2021-01-27)

Model predicts where ticks, Lyme disease will appear next in Midwest states
By drawing from decades of studies, scientists created a timeline marking the arrival of black-legged ticks, also known as deer ticks, in hundreds of counties across 10 Midwestern states. They used these data - along with an analysis of county-level landscape features associated with the spread of ticks - to build a model that can predict where ticks are likely to appear in future years. (2020-12-22)

A gene from ancient bacteria helps ticks spread Lyme disease
One reason ticks spread Lyme disease so well goes back to a unique evolutionary event. Researchers reporting in the journal Cell on December 10, 2020 discovered that an antibacterial enzyme in ticks, Dae2, protects them from bacteria found on human skin, while still allowing them to harbor Borrelia burgdorferi, the bacterium that causes Lyme disease. Ticks acquired the gene for this enzyme 40 million years ago from an unknown species of ancient bacteria. (2020-12-10)

Lyme disease ticks produce antibiotic that protects them from human skin bacteria
Ticks live dangerous lives, spending most of their time questing for a host across wildly different habitats and seasons. Once they encounter a reptile, bird, or a mammal like us, they become intimately connected with it -- and all of its bacteria and viruses -- for days on end. Though ticks are notorious for transmitting pathogens such as the Lyme disease bacterium, how does their immune system keep them safe from contracting pathogens themselves? (2020-12-10)

Researchers identify the bacteria that can make the Bolson tortoise become ill
The Bolson tortoise is a species indigenous to the Chihuahua desert in Mexico and is endangered. This research could help with conservation strategies for this species. (2020-12-03)

Researchers developed a sequence analysis pipeline for virus discovery
A novel bioinformatics pipeline identifies both previously known and novel viruses. (2020-12-03)

When temperatures rise, dog ticks more likely to choose humans over canines
A variety of ticks that carry the bacteria causing the deadly disease Rocky Mountain spotted fever (RMSF) are more than twice as likely to shift their feeding preference from dogs to humans when temperatures rise, a sign that climate change could expand and intensify human disease risks, according to a new study presented today at the Annual Meeting of the American Society of Tropical Medicine and Hygiene (ASTMH). (2020-11-16)

Yale scientists identify protein that protects against Lyme
Yale researchers have discovered a protein that helps protect hosts from infection with the tick-borne spirochete that causes Lyme Disease, a finding that may help diagnose and treat this infection, they report Nov. 11 in the journal PLOS Pathogens. (2020-11-11)

Researchers identify new Rickettsia species in dogs
Researchers have identified a new species of Rickettsia bacteria that may cause significant disease in dogs and humans. This new yet unnamed species, initially identified in three dogs, is part of the spotted-fever group Rickettsia which includes Rickettsia rickettsii, the bacteria that cause Rocky Mountain Spotted Fever (RMSF). (2020-11-09)

Human activities promote disease-spreading mosquitoes; more study needed for prevention
Disease-spreading mosquitoes may be more likely to occupy areas impacted by human activities like pesticide use and habitat destruction, than they are areas less disturbed by humans, a recent Oregon State University study found. (2020-09-14)

Bat tick found for the first time in New Jersey
A tick species associated with bats has been reported for the first time in New Jersey and could pose health risks to people, pets and livestock, according to a Rutgers-led study in the Journal of Medical Entomology. This species (Carios kelleyi) is a ''soft'' tick. Deer ticks, which carry Lyme disease, are an example of ''hard'' ticks. (2020-09-09)

Significantly more Danes infected with campylobacter in 2019
In 2019, the number of registered campylobacter infections increased by almost a fifth and studies show that many of the campylobacter outbreaks recorded that year were caused by chicken meat. (2020-09-02)

Lone Star ticks in Illinois can carry, transmit Heartland virus
Researchers have confirmed that Heartland virus, an emerging pathogen with potentially dire consequences for those infected, is present in Lone Star ticks in two Illinois counties hundreds of miles apart. Lone Star ticks were first detected in Illinois in 1999 but had not been found to be infected with Heartland virus in the state. (2020-07-23)

Where did the Asian longhorned ticks in the US come from?
The invasive population of Asian longhorned ticks in the United States likely began with three or more self-cloning females from northeastern Asia, according to a Rutgers-led study. Asian longhorned ticks outside the U.S. can carry debilitating diseases. In the United States and elsewhere they can threaten livestock and pets. The new study, published in the journal Zoonoses and Public Health, sheds new light on the origin of these exotic ticks and how they are spreading across the United States. (2020-07-08)

Anaplasmosis bacterium tinkers with tick's gene expression to spread to new hosts
For the first time, scientists have shown that the bacterium that causes the tick-borne disease anaplasmosis interferes with tick gene expression for its survival inside cells and to spread to a new vertebrate host. Girish Neelakanta of Old Dominion University and colleagues report these findings in a study published July 2nd in PLOS Genetics. (2020-07-02)

Dangerous tick-borne bacterium extremely rare in New Jersey
There's some good news in New Jersey about a potentially deadly tick-borne bacterium. Rutgers researchers examined more than 3,000 ticks in the Garden State and found only one carrying Rickettsia rickettsii, the bacterium that causes Rocky Mountain spotted fever. But cases of tick-borne spotted fevers have increased east of the Mississippi River, and more research is needed to understand why, according to a study in The American Journal of Tropical Medicine and Hygiene. (2020-06-25)

Invasive fire ants limiting spread of meat allergy -- but pose their own dangers
Invasive fire ants with a nasty bite are limiting the spread of a dangerous meat allergy, new research suggests. But it's not all good news, as the ants themselves can also cause severe allergic reactions. (2020-06-24)

Tick surveillance and control lagging in US, study shows
While the prevalence of Lyme disease and other illnesses spread by ticks has steadily increased in the United States over the past 20 years, a new study of the state of American tick surveillance and control reveals an inconsistent and often under-supported patchwork of programs across the country. (2020-06-17)

National tick surveillance survey identifies gaps to be filled
New Cornell-led research shows that inadequate funding is the main barrier to better surveillance and control of ticks, including the blacklegged tick, which spreads Lyme disease, the No. 1 vector-borne illness in the country. (2020-06-17)

Parents twice as likely to be concerned about ticks than of mosquitoes
When it comes to bug bites, parents are twice as likely to be concerned about ticks as they are about mosquitoes transmitting disease, a new national poll finds. (2020-06-15)

Scientists synthesize anti-inflammatory tick spit protein for first time
In a world first, scientists at the University of Sydney have synthesised evasin proteins found in tick saliva, which offer a promising pathway for anti-inflammatory medicine. (2020-05-26)

Fatal Lyme carditis in a 37-year-old man shows need for awareness of unusual symptoms
Physicians and the public should be aware of the different presentations of Lyme disease, as people spend more time outside in the warmer weather and as areas in Canada where the black legged tick is found expand. Three articles in CMAJ (Canadian Medical Association Journal), which describe a fatal case in a 37-year-old man, atypical skin lesions in a 56-year-old woman and severe neurological symptoms in a 4-year-old boy, illustrate the diversity in presentations. (2020-05-25)

Tick-borne encephalitis spread across Eurasia with settlers and their pets and prey
Researchers from Sechenov University together with colleagues from several Russian institutes analysed data on the RNA structure of tick-borne encephalitis virus. Much larger than in previous studies, the data volume of the new study allowed them to estimate the age of the virus subtypes and track its spread in Eurasia. The results of the study were published in the journal Viruses. (2020-05-21)

To prevent tick encounters, where you dump your leaves matters
While many homeowners heed the advice to clear their lawns of fallen leaves in autumn to avoid creating tick-friendly habitat in high-use areas, a new study on tick abundance in leaf litter says raking or blowing leaves just out to the forest edge is not enough. In fact, dumping leaves where grass meets woods may inadvertently create an ideal habitat for blacklegged ticks. (2020-03-18)

Different tick, same repellents: Study shows how to avoid Asian longhorned tick
While the invasive Asian longhorned tick (Haemaphysalis longicornis) has now appeared in 12 states since its first detection in the United States in 2017, new research offers some good news about its potential as a public health threat. The same insect repellents and other personal protective measures recommended to prevent bites from native tick species also appear to be equally effective against the Asian longhorned tick. (2020-02-19)

Insects' ability to smell is phenomenally diverse, a new protein structure hints at how
Even though they don't have conventional noses, insects have adapted to smell odors in nearly every imaginable niche. Mosquitoes find us by our odor molecules binding to odor receptors on their antennae, bees are drawn to flowers the same way, whereas ticks detect an approaching host using receptors on their forelegs. (2020-02-15)

Vector-borne causes of fever in cats demand year-round preventive therapy
Increased body temperature is the single-most commonly noted abnormal finding for the medical practitioner. While it may be a sign of something relatively innocuous, it can also be an indication of underlying critical illness. (2020-01-09)

Cellular clock regulating human spine development
After decades of effort, scientists use induced pluripotent stem cells to model human spine development. Findings provide proof of existence of a segmentation clock in humans guiding spine formation. Work sets stage for better understanding of musculoskeletal and metabolic disorders, including congenital scoliosis, muscular dystrophy and type 2 diabetes. (2020-01-08)

Mowing urban lawns less intensely increases biodiversity, saves money and reduces pests
Researchers from the University of Quebec at Trois-Rivieres have found that reducing the intensity of lawn mowing in urban spaces leads to increased biodiversity, economic savings and reduced presence of allergy-triggering weeds. The results are published in the British Ecological Society journal, Journal of Applied Ecology. (2019-12-19)

Bacteria spread by ticks affected by humidity and mutual competition
No specific environment or temperature favourable to all of the most common pathogens borne by ticks was found in an international study, since different bacterial species thrive in different conditions. Depending on the species, bacteria found inside ticks can either compete with each other or promote each other's distribution. (2019-12-19)

Tiny woodlands are more important than previously thought
Small woodlands in farmland have more benefits for humans per area, compared to large forests according to a new study. The small woodlands, sometimes even smaller than a football field, can easily go unnoticed in agricultural landscapes. Yet, these small forest remnants can store more carbon in the topsoil layer, are more suitable for hunting activities and host fewer ticks than large forests. (2019-12-02)

More than lyme: Tick study finds multiple agents of tick-borne diseases
In a study published in mBio, a journal of the American Society for Microbiology, Jorge Benach and Rafal Tokarz, and their co-authors at Stony Brook University and Columbia University, reported on the prevalence of multiple agents capable of causing human disease that are present in three species of ticks in Long Island. (2019-09-16)

An innovative new diagnostic for Lyme disease
In new research, Joshua LaBaer, executive director of the Biodesign Institute at Arizona State University and his colleagues describe an early detection method for pinpointing molecular signatures of the disease with high accuracy. (2019-08-26)

New way to bump off ticks: Dry up their saliva (video)
Saliva from a tick's bite can transmit pathogens that cause serious illnesses, such as Lyme disease, and significant agricultural losses. Scientists have been seeking new ways to prevent these pesky arachnids from spreading pathogens. Now, researchers report that compounds they previously identified can dry up ticks' saliva by upsetting the balance of ions in the tick salivary gland. The researchers present their results today at the American Chemical Society Fall 2019 National Meeting & Exposition. (2019-08-26)

UK tick-borne Lyme disease cases may be 3 times higher than previous estimates
New cases of tick-borne Lyme disease in the UK may be three times higher than previous estimates suggest, and might top 8,000 in 2019, based on these figures, concludes research published in the online journal BMJ Open. (2019-07-30)

Singapore scientists uncover mechanism behind development of viral infections
A team of researchers from the SingHealth Duke-NUS Academic Medicine Centre's Viral Research and Experimental Medicine Centre (ViREMiCS) found that immune cells undergoing stress and an altered metabolism are the reasons why some individuals become sick from viral infections while others do not, when exposed to the same virus. (2019-07-16)

Health impairment through carbofuran in red chili unlikely
A regional laboratory found residues of carbofuran when analyzing frozen 'Red chili without stalks' for plant protection products. The Federal Ministry of Food and Agriculture (BMEL) thereupon asked the German Federal Institute for Risk Assessment (BfR) to make a health assessment for the sample. The result was that a risk to the health of consumers is unlikely according to the latest available scientific knowledge. (2019-07-16)

NIST's quantum logic clock returns to top performance
The quantum logic clock -- perhaps best known for showing you age faster if you stand on a stool -- has climbed back to the leading performance echelons of the world's experimental atomic clocks. (2019-07-15)

Wild boars, hunting dogs and hunters carry tick-borne bacteria
Rickettsia bacteria cause a number of human and animal infections, including Rocky Mountain spotted fever. Now, researchers reporting in PLOS Neglected Tropical Diseases have for the first time surveyed the prevalence of Rickettsia antibodies and Rickettsia-carrying ticks in wild boars, hunting dogs and hunters in Brazil. (2019-05-30)

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