Results 61 to 70 of about 2,970 (183)

Generalist host species drive Trypanosoma cruzi vector infection in oil palm plantations in the Orinoco region, Colombia

Parasites & Vectors, 2019
Background Oil palm plantation establishment in Colombia has the potential to impact Chagas disease transmission by increasing the distribution range of Rhodnius prolixus.
Diana Erazo, Nicole L. Gottdenker, Camila González, Felipe Guhl, Monica Cuellar, Troy J. Kieran, Travis C. Glenn, Juan D. Umaña, Juan Cordovez   +8 more
doaj   +1 more source

Evaluation of two candidate molecules—TCTP and cecropin—on the establishment of Trypanosoma brucei gambiense into the gut of Glossina palpalis gambiensis

Insect Science, Volume 32, Issue 5, Page 1747-1760, October 2025.
This study investigates the potential of enhancing the resistance of Glossina palpalis gambiensis to Trypanosoma brucei gambiense to mitigate the transmission of Human African Trypanosomiasis. We successfully cloned genes encoding proteins of interest in Sodalis strains, resulting in recombinant Sodalis (recSodalis) that were micro‐injected into the L3
François Sougal Ngambia Freitas, Linda De Vooght, Flobert Njiokou, Jan Van Den Abeele, Géraldine Bossard, Bernadette Tchicaya, Rosa Milagros Corrales, Sophie Ravel, Anne Geiger, David Berthier‐Teyssedre   +9 more
wiley   +1 more source

The loss of the urea cycle and ornithine metabolism in different insect orders: An omics approach

Insect Molecular Biology, Volume 34, Issue 5, Page 632-644, October 2025.
Among urea cycle enzymes, only the nitric oxide synthase gene is universally present across insect genomes. All Hemiptera species lack the enzymes needed to convert citrulline to arginine, and some also lack the pathway from arginine to ornithine. Putrescine and spermidine synthesis is conserved in all insects, but aphids lack the capability to produce
Jessica Cristina Silva Martins, Héctor Antônio Assunção Romão, Carolina Kurotusch Canettieri, Amanda Caetano Cercilian, Patrícia Rasteiro Ordiale Oliveira, Clelia Ferreira, Walter R. Terra, Renata de Oliveira Dias   +7 more
wiley   +1 more source

Comparison of hemocytes of 5th-instar nymphs of Rhodnius prolixus (Stal) and Rhodnius robustus (Larousse 1927), before and after molting

Revista de la Facultad de Medicina, 2015
Background. The immune response of insects involves humoral factors and cellular elements known as hemocytes. There are different reports that explore the response of hemocytes to infections, but the effect that molting has on this response has not been
Elizabeth Ruiz, Myriam Consuelo López, Favio Aurelio Rivas, Ángel Yovanny Sánchez, Ligia Inés Moncada   +4 more
doaj   +1 more source

Morin hydrate reduces survival and fertility, delays development and weakens lipid reserves in Aedes aegypti

Medical and Veterinary Entomology, Volume 39, Issue 3, Page 592-602, September 2025.
Morin hydrate promoted mortality and reduced the rate of pupation and egg laying in Aedes aegypti larvae that survive treatment. Morin hydrate reduces the levels of triacylglycerol, the main lipid reserve in A. aegypti larvae. The expression of proteins involved in lipogenesis and lipolysis was downregulated and upregulated, respectively, in larvae ...
Luan Valim dos Santos, Elaine Rodrigues Miranda Nery da Silva, Matheus Silva Caiado, Renan Albuquerque Camasmie, Herbert Marcusi Souza de Agustini, Raquel do Nascimento de Souza, Bruno Guimarães Marinho, Rosane Nora Castro, Mario Geraldo de Carvalho, Emerson Guedes Pontes   +9 more
wiley   +1 more source

Rhodnius barretti, a new species of Triatominae (Hemiptera: Reduviidae) from western Amazonia

Memorias do Instituto Oswaldo Cruz, 2013
Rhodnius barretti , a new triatomine species, is described based on adult specimens collected in rainforest environments within the Napo ecoregion of western Amazonia (Colombia and Ecuador). R. barretti resembles Rhodnius robustus s.l.
Fernando Abad-Franch, Marcio G Pavan, Nicolas Jaramillo-O, Francisco S Palomeque, Carolina Dale, Duverney Chaverra, Fernando A Monteiro   +6 more
doaj   +1 more source

RNA‐Based Biopesticides: Pioneering Precision Solutions for Sustainable Aquaculture in China

Animal Research and One Health, Volume 3, Issue 2, Page 165-176, May 2025.
The Chinese dragon represents RNA biopesticides, which effectively counteract bacterial, viral, and parasitic threats, safeguarding aquatic life. This method is precise, focusing solely on harmful agents and sparing beneficial aquaculture species. Its innovative nature protects aquatic environments while reducing ecological footprint.
Yiran Huang, Yingmin Dai, Zhuotong Huang, Mengqi Zhang, Lijun Xiu, Xianhui Zhang, Youyu Zhang, Lixing Huang   +7 more
wiley   +1 more source

Aspects of classification of Hemiptera hemocytes from six triatomine species

Memorias do Instituto Oswaldo Cruz, 1991
The objective of this work was to characterize, and compare different morphological types of hemocytes of Rhodnius prolixus, Rhodnius, Rhodnius neglectus, Triatoma infestans, Panstrongylus megistus, and Dipetalogaster maximus.
Patricia de Azambuja, Eloi S. Garcia, Norman A. Ratcliffe   +2 more
doaj   +1 more source

Towards an understanding of the interactions of Trypanosoma cruzi and Trypanosoma rangeli within the reduviid insect host Rhodnius prolixus

Anais da Academia Brasileira de Ciências, 2005
This review outlines aspects on the developmental stages of Trypanosoma cruzi and Trypanosoma rangeli in the invertebrate host, Rhodnius prolixus. Special attention is given to the interactions of these parasites with gut and hemolymph molecules and the ...
Patrícia Azambuja, Norman A. Ratcliffe, Eloi S. Garcia   +2 more
doaj   +1 more source

Biological effect of 1-dodecanol in teneral and post-teneral Rhodnius prolixus and Triatoma infestans (Hemiptera: Reduviidae)

Memorias do Instituto Oswaldo Cruz, 2005
Topical application of 1-dodecanol was significantly more toxic against teneral first nymphs (1-3 h old) than post-teneral first nymphs (24 h old). The lethal dose ratios were 711,500 for Rhodnius prolixus and 3613 for Triatoma infestans.
Gastón Mougabure Cueto, Eduardo Zerba, María Inés Picollo   +2 more
doaj   +1 more source