Results 31 to 40 of about 11,288 (145)

Detection of Rickettsia spp. in Animals and Ticks in Midwestern Brazil, Where Human Cases of Rickettsiosis Were Reported

Animals, 2023
Brazilian spotted fever (BSF) is the most important tick-borne diseases affecting humans in Brazil. Cases of BSF have recently been reported in the Goiás state, midwestern Brazil.
Lucianne Cardoso Neves, Warley Vieira de Freitas Paula, Luiza Gabriella Ferreira de Paula, Bianca Barbara Fonseca da Silva, Sarah Alves Dias, Brenda Gomes Pereira, Bruno Sérgio Alves Silva, Anaiá da Paixão Sevá, Filipe Dantas-Torres, Marcelo B. Labruna, Felipe da Silva Krawczak   +10 more
doaj   +1 more source

Significant Growth by Rickettsia Species within Human Macrophage-Like Cells Is a Phenotype Correlated with the Ability to Cause Disease in Mammals

Pathogens, 2021
Rickettsia are significant sources of tick-borne diseases in humans worldwide. In North America, two species in the spotted fever group of Rickettsia have been conclusively associated with disease of humans: Rickettsia rickettsii, the causative agent of ...
M. Nathan Kristof, Paige E. Allen, Lane D. Yutzy, Brandon Thibodaux, Christopher D. Paddock, Juan J. Martinez   +5 more
doaj   +1 more source

Novel rickettsia in ticks, Tasmania, Australia [PDF]

, 2009
A novel rickettsia was detected in Ixodes tasmani ticks collected from Tasmanian devils. A total of 55% were positive for the citrate synthase gene by quantitative PCR.
Nathan Unsworth, Cox, E., Fenwick, S., Graves, S., Izzard, L., Stan Fenwick, Erika Cox, Leonard Izzard, John Stenos, Unsworth, N., Stenos, J., Stephen Graves   +11 more
core   +1 more source

Pesquisa de Rickettsia spp em carrapatos Amblyomma cajennense e Amblyomma dubitatum no Estado de São Paulo Survey of Rickettsia spp in the ticks Amblyomma cajennense and Amblyomma dubitatum in the State of São Paulo

Revista da Sociedade Brasileira de Medicina Tropical, 2009
Foi pesquisada a presença de riquétsias em 3.545 carrapatos Amblyomma cajennense e 2.666 Amblyomma dubitatum. Através do teste de hemolinfa, reação em cadeia pela polimerase e isolamento de rickettsia em cultivo celular, todos os Amblyomma cajennense ...
Richard Campos Pacheco, Maurício Cláudio Horta, Adriano Pinter, Jonas Moraes-Filho, Thiago Fernandes Martins, Marcello Schiavo Nardi, Savina Silvana Aparecida Lacerra de Souza, Celso Eduardo de Souza, Matias Pablo Juan Szabó, Leonardo José Richtzenhain, Marcelo Bahia Labruna   +10 more
doaj   +1 more source

Epidemiological surveillance of capybaras and ticks on warning area for Brazilian spotted fever [PDF]

Veterinary World, 2015
Aim: The vulnerability of tropical developing countries to the emerging disease constitutes a critical phenomenon in which the invasion of wild niches by human hosts, contributes to expansion of zoonotic diseases, such as the Brazilian spotted fever (BSF)
José Brites-Neto, Jardel Brasil , Keila Maria Roncato Duarte   +2 more
doaj   +1 more source

Infection by Rickettsia bellii and Candidatus "Rickettsia amblyommii" in Amblyomma neumanni ticks from Argentina [PDF]

, 2007
The tick species, Amblyomma neumanni (Acari: Ixodidae) is the most frequent tick parasitizing humans in northwestern Argentina. The present study evaluated the rickettsial infection among 55 A.
Nava, Santiago, Labruna, Marcelo B., Guglielmone, Alberto Alejandro, Richtzenhain, Leonardo J., Pacheco, Richard C., Brandão, Paulo E.   +5 more
core   +1 more source

Discovery of Rickettsia spp. in mosquitoes collected in Georgia by metagenomics analysis and molecular characterization

Frontiers in Microbiology, 2022
Arthropods have a broad and expanding worldwide presence and can transmit a variety of viral, bacterial, and parasite pathogens. A number of Rickettsia and Orientia species associated with ticks, fleas, lice, and mites have been detected in, or isolated ...
Adam R. Pollio, Ju Jiang, Ju Jiang, Sam S. Lee, Jaykumar S. Gandhi, Brian D. Knott, Tamar Chunashvili, Matthew A. Conte, Shannon D. Walls, Christine E. Hulseberg, Christina M. Farris, Drew D. Reinbold-Wasson, Jun Hang   +12 more
doaj   +1 more source

Detecção de anticorpos anti-Rickettsia rickettsii em cães residentes em área negligenciada no município de São Paulo, SP, Brasil [PDF]

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020
RESUMO A febre maculosa brasileira (FMB), descrita inicialmente nos Estados Unidos como febre maculosa das Montanhas Rochosas, é uma antropozoonose relatada apenas no continente americano e causada pela bactéria Rickettsia rickettsii.
Z.Ê.S. Souza, B.V. Moraes, F.S. Krawczak, L. Zulzke, T.V. Carvalho, A.O. Sousa, R.G. Agopian, A. Marcili, M.B. Labruna, J. Moraes-Filho   +9 more
doaj   +1 more source

Microbial diversity of ticks and a novel typhus group Rickettsia species (Rickettsiales bacterium Ac37b) in Inner Mongolia, China

Parasite, 2023
Ticks can carry multiple pathogens, and Inner Mongolia’s animal husbandry provides excellent environmental conditions for ticks. This study characterized the microbiome of ticks from different geographical locations in Inner Mongolia; 905 Dermacentor ...
Su Si, Hong Mei, Cui Meng-Yu, Gui Zheng, Ma Shi-Fa, Wu Lin, Xing Li-Li, Mu Lan, Yu Jing-Feng, Fu Shao-Yin, Gao Rui-Juan, Qi Dong-Dong   +11 more
doaj   +1 more source

Microsatellite Markers Reveal a Predominant Sugarcane Aphid (Homoptera: Aphididae) Clone is Found on Sorghum in Seven States and One Territory of the USA

Crop Science, Volume 57, Issue 4, Page 2064-2072, July–August 2017., 2017
The sugarcane aphid (Melanaphis sacchari) has become a serious pest causing severe economic losses to sorghum [Sorghum bicolor (L.) Moench] grown in the southern United States. Since its original detection in four states in 2013, M. sacchari on sorghum has now, in 2016, spread to 19 states.
Karen Harris‐Shultz, Xinzhi Ni, Phillip A. Wadl, Xinwang Wang, Hongliang Wang, Fangneng Huang, Kathy Flanders, Nicholas Seiter, David Kerns, Robert Meagher, Qingwu Xue, Dominic Reisig, David Buntin, Hugo E. Cuevas, Michael J. Brewer, Xiangbing Yang   +15 more
wiley   +1 more source