Search Results - "Fogaça, Andrea C"
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Tick Immune System: What Is Known, the Interconnections, the Gaps, and the Challenges
Published in Frontiers in immunology (02-03-2021)“…Ticks are ectoparasitic arthropods that necessarily feed on the blood of their vertebrate hosts. The success of blood acquisition depends on the…”
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A physiologic overview of the organ-specific transcriptome of the cattle tick Rhipicephalus microplus
Published in Scientific reports (26-10-2020)“…To further obtain insights into the Rhipicephalus microplus transcriptome, we used RNA-seq to carry out a study of expression in (i) embryos; (ii) ovaries from…”
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The survival of Amblyomma sculptum ticks upon blood-feeding depends on the expression of an inhibitor of apoptosis protein
Published in Parasites & vectors (10-03-2023)“…The tick Amblyomma sculptum is the major vector of Rickettsia rickettsii, the causative agent of the highly lethal Brazilian spotted fever. It has been shown…”
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Analysis of the Salivary Gland Transcriptome of Unfed and Partially Fed Amblyomma sculptum Ticks and Descriptive Proteome of the Saliva
Published in Frontiers in cellular and infection microbiology (21-11-2017)“…Ticks are obligate blood feeding ectoparasites that transmit a wide variety of pathogenic microorganisms to their vertebrate hosts. is vector of , the…”
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The anal pore route is efficient to infect Amblyomma spp. ticks with Rickettsia rickettsii and allows the assessment of the role played by infection control targets
Published in Frontiers in cellular and infection microbiology (12-10-2023)“…Adult Amblyomma sculptum and Amblyomma aureolatum ticks are partially refractory to Rickettsia rickettsii when fed on infected hosts, hindering the functional…”
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The immune factors involved in the rapid clearance of bacteria from the midgut of the tick Ixodes ricinus
Published in Frontiers in cellular and infection microbiology (13-08-2024)“…Ticks are obligate hematophagous arthropods that transmit a wide range of pathogens to humans as well as wild and domestic animals. They also harbor a…”
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The transcription factor Relish controls Anaplasma marginale infection in the bovine tick Rhipicephalus microplus
Published in Developmental and comparative immunology (01-09-2017)“…Rhipicephalus microplus is an important biological vector of Anaplasma marginale, the etiological agent of bovine anaplasmosis. The knowledge of tick immune…”
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Rickettsia helvetica in C3H/HeN mice: A model for studying pathogen-host interactions
Published in Heliyon (30-09-2024)“…An infection with the tick-borne Rickettsia helvetica has been associated with a broad spectrum of clinical manifestations in humans, but patients are only…”
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Comparative analysis of the midgut microbiota of two natural tick vectors of Rickettsia rickettsii
Published in Developmental and comparative immunology (01-05-2020)“…Although the ticks Amblyomma sculptum and Amblyomma aureolatum are important vectors of Rickettsia rickettsii, causative agent of the life-threatening Rocky…”
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The Transcriptome of the Salivary Glands of Amblyomma aureolatum Reveals the Antimicrobial Peptide Microplusin as an Important Factor for the Tick Protection Against Rickettsia rickettsii Infection
Published in Frontiers in physiology (03-05-2019)“…The salivary glands (SG) of ixodid ticks play a pivotal role in blood feeding, producing both the cement and the saliva. The cement is an adhesive substance…”
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Exploring the immune signalling pathway-related genes of the cattle tick Rhipicephalus microplus: From molecular characterization to transcriptional profile upon microbial challenge
Published in Developmental and comparative immunology (01-06-2016)“…In dipteran insects, invading pathogens are selectively recognized by four major pathways, namely Toll, IMD, JNK, and JAK/STAT, and trigger the activation of…”
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Natural blood feeding and temperature shift modulate the global transcriptional profile of Rickettsia rickettsii infecting its tick vector
Published in PloS one (14-10-2013)“…Rickettsia rickettsii is an obligate intracellular tick-borne bacterium that causes Rocky Mountain Spotted Fever (RMSF), the most lethal spotted fever…”
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Virulence genes of Rickettsia rickettsii are differentially modulated by either temperature upshift or blood-feeding in tick midgut and salivary glands
Published in Parasites & vectors (10-06-2016)“…Rickettsia rickettsii, the etiological agent of Rocky Mountain spotted fever, is transmitted to humans by ticks. During tick feeding, R. rickettsii is exposed…”
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The Iron Stimulon of Xylella fastidiosa Includes Genes for Type IV Pilus and Colicin V-Like Bacteriocins
Published in Journal of Bacteriology (01-04-2008)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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The Distinct Transcriptional Response of the Midgut of Amblyomma sculptum and Amblyomma aureolatum Ticks to Rickettsia rickettsii Correlates to Their Differences in Susceptibility to Infection
Published in Frontiers in cellular and infection microbiology (28-04-2017)“…is a tick-borne obligate intracellular bacterium that causes Rocky Mountain Spotted Fever (RMSF). In Brazil, two species of ticks in the genus and , are…”
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Rickettsia and vector biodiversity of spotted fever focus, Atlantic rain forest biome, Brazil
Published in Emerging infectious diseases (01-03-2014)Get full text
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Comparative Analysis of Infection by Rickettsia rickettsii Sheila Smith and Taiaçu Strains in a Murine Model
Published in Pathogens (Basel) (10-09-2020)“…Rocky Mountain spotted fever (RMSF) is a life-threatening tick-borne disease caused by , which is widely distributed throughout the Americas. Over 4000 cases…”
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Ixodidin, a novel antimicrobial peptide from the hemocytes of the cattle tick Boophilus microplus with inhibitory activity against serine proteinases
Published in Peptides (New York, N.Y. : 1980) (01-04-2006)“…The presence of an effective immune response in the hemocoel of arthropods is essential for survival as it prevents the invasion of pathogens throughout the…”
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Culex quinquefasciatus storage proteins
Published in PloS one (2013)“…Insect storage proteins accumulate at high levels during larval development of holometabolous insects. During metamorphosis they are degraded, supplying energy…”
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Effects of the antimicrobial peptide gomesin on the global gene expression profile, virulence and biofilm formation of Xylella fastidiosa
Published in FEMS microbiology letters (01-05-2010)“…In the xylem vessels of susceptible hosts, such as citrus trees, Xylella fastidiosa forms biofilm-like colonies that can block water transport, which appears…”
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