Results 61 to 70 of about 2,018 (194)

Spirochete-like cells in a Dominican amber Ambylomma tick (Arachnida: Ixodidae)

open access: yes
Amber preserves microscopic, soft-bodies organisms and is a good medium in which to trace the evolution of pathogen-vector associations. Spirochetes-like cells (Spirochaetales: Spirochaetaceae) in the hemocoel and lumen of the alimentary tract of a larva
Poinar, George, Jr.
core   +6 more sources

Sex‐Specific Involvement of Gut Microbiota in Behavioral and Endocrine Responses to Chronic Predator Odor in Brandt's Voles

open access: yesIntegrative Zoology, EarlyView.
18 days of predator odor exposure altered gut microbiota, increased anxiety‐like behaviors, and elevated hypothalamic–pituitary–adrenal axis activity in Brandt's voles, with males showing behavioral habituation and females remaining sensitive. Cecal microbiota transplantation experiments confirmed that only female recipients of microbiota from predator‐
Chen Gu   +6 more
wiley   +1 more source

Systemic, Lifestyle and Environmental Modifying Factors in the Pathogenesis of Periodontitis

open access: yesJournal of Periodontal Research, EarlyView.
A variety of impacting factors in the pathogenesis of periodontitis exist, including systemic, lifestyle, and environmental factors. This review highlights the manifold mechanistic aspects of the link between the pathogenesis of periodontitis, addressing these numerous factors to supplement the long‐standing knowledge of the progression of the disease.
Sabine Elisabeth Groeger   +5 more
wiley   +1 more source

Lyme Disease Risk of Exposure to Blacklegged Ticks (Acari: Ixodidae) Infected with Borrelia burgdorferi (Spirochaetales: Spirochaetaceae) in Pittsburgh Regional Parks

open access: yesJournal of Medical Entomology, 2019
AbstractLyme disease is the most commonly reported vector-borne illness and sixth most commonly reported notifiable infectious disease in the United States. The majority of cases occur in the Northeast and upper-Midwest, and the number and geographic distribution of cases is steadily increasing.
Alison E, Simmons   +7 more
openaire   +2 more sources

The Impact of Oral‐Gut Microbiota Structure and Its Manipulation on RA Development and Management

open access: yesFood Science &Nutrition, Volume 14, Issue 8, August 2026.
(A) Schematic representation of oral–gut microbiota composition in health and rheumatoid arthritis (RA), highlighting the enrichment of beneficial microorganisms (green) under healthy conditions and the expansion of pathogenic microorganisms (orange) in RA‐associated dysbiosis.
Parisa Ahmadi   +8 more
wiley   +1 more source

Naudan sorkka-alueen ihotulehduksen bakteriologinen tutkimus 16S rRNA-rinnakkaissekvensoinnilla [PDF]

open access: yes, 2020
Nautojen (Bos taurus) sorkka-alueen ihotulehdus (DD) on ympäri maailman levinnyt sairaus, jota on myös havaittu muilla sorkkaeläimillä. Nykytiedon mukaan nautojen DD on bakteeri-, ei virus- tai sienitauti. Se aiheuttaa haavoja, vaurioita ja känsiä.
Hintikka, Tuomas P.
core  

Full‐Length 16S and 18S rRNA Long‐Read Sequencing Reveals Gut Microbiome Diversity in the European Brown Hare (Lepus europaeus)

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 3, June 2026.
Full‐length 16S and 18S rRNA Oxford Nanopore sequencing of large intestine contents from 30 healthy European brown hares revealed broad gut microbiome diversity. An 80% identity threshold detected substantially greater taxonomic richness than 95%, emphasizing the value of long‐read sequencing in wildlife microbiome research. ABSTRACT The European brown
Zbigniew Bełkot   +7 more
wiley   +1 more source

Spatiotemporal and Host Variations in Faecal Microbiomes of Hairy‐Nosed Wombats (Lasiorhinus spp.)

open access: yesAustral Ecology, Volume 51, Issue 6, June 2026.
ABSTRACT The gut microbiome can play a critical role in humans and wildlife, assisting with digestion, immunity and detoxification. This community is often adapted to the animal's ecosystem and fluctuates with seasonal shifts in diet. The gut microbiome can also be altered by anthropogenic effects such as invasive species creating increasingly ...
Colin Sobek   +3 more
wiley   +1 more source

The prevalence ofBorrelia burgdorferi(Spirochaetales: Spirochaetaceae) and the Agent of Human Granulocytic Ehrlichiosis (Rickettsiaceae: Ehrlichieae) inIxodes scapularis(Acari:Ixodidae) Collected During 1998 and 1999 from Minnesota. : Table 1 [PDF]

open access: yesJournal of Medical Entomology, 2002
We tested 103 adult Ixodes scapularis Say from 12 counties in Minnesota for the presence of Borrelia burgdorferi and the causative agent of human granulocytic ehrlichiosis (HGE), using polymerase chain reaction (PCR). A total of 17 ticks (16.5%) was positive for B. burgdoiferi using nested PCR for the flagellin gene.
David, Layfield, Patrick, Guilfoile
openaire   +2 more sources

Epixylic microbial communities as key regulators of methane emissions from submerged wood in a tropical hydroelectric reservoir

open access: yesLimnology and Oceanography, Volume 71, Issue 3, March 2026.
Abstract Tropical hydroelectric reservoirs are recognized hotspots for greenhouse gas emissions, yet the role of submerged forests in these emissions remains poorly understood. In this study, we investigated the contribution of standing dead trees and their associated epixylic biofilms to methane (CH4) and carbon dioxide (CO2) emissions in the ...
Fanny Colas   +12 more
wiley   +1 more source

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