Results 121 to 130 of about 165,883 (259)

Antony van Leeuwenhoek: Creation “Magnified” Through His Magnificent Microscopes [PDF]

, 2012
Although van Leeuwenhoek was not the inventor of the microscope, he advanced it more than anyone else for seeing living things. Antony van Leeuwenhoek1 (Fig. 1) found great joy in God’s smallest creatures. He first discovered protozoans in his youth. The
Gillen, Alan L., Oliver, Douglas
core   +1 more source

A minimum principle in mRNA editing ?

, 2001
mRNA editing of sequences of many species is analyzed. The nature of the inserted nucleotides and the position of the insertion sites, once fixed the edited peptide chain, are explained by introducing a minimum principle in the framework of the crystal ...
Frappat, L., Sciarrino, A., Sorba, P.
core   +2 more sources

Transcriptomic analysis reveals the hepatic response mechanisms of the Chinese spiny frog (Quasipaa spinosa) to Citrobacter freundii infection

Journal of the World Aquaculture Society, Volume 57, Issue 3, June 2026.
Abstract To elucidate the pathogen and host response mechanisms underlying mass mortality in Quasipaa spinosa, dominant bacteria were isolated from diseased individuals and identified as Citrobacter freundii by morphological, physiological, and biochemical characterization, 16S rRNA sequencing, and phylogenetic analysis.
Yanhong Li, Baohong Zhou, Yiran Lu, Yi Zang, Minghao Hu, Qiaochen Jin, Wenbin Fang, Shanjian Zheng   +7 more
wiley   +1 more source

Potential vectors of Leishmaniases in the Environmental Protection Area and Tinguá Federal Biological Reserve, Municipality of Nova Iguaçu, Rio de Janeiro, Brazil

Medical and Veterinary Entomology, Volume 40, Issue 2, Page 246-259, June 2026.
This study was to describe the composition of sand fly fauna, detect potential vectors of Leishmania spp. in the Tinguá district, an ATL endemic, Rio de Janeiro, Brazil. Seven species of vectorial importance in the epidemiological cycle of leishmaniasis was observed: Nyssomyia intermedia, Migonemyia migonei, Pintomyia fischeri, Psychodopygus hirsutus ...
Antônio L. F. Santana, Alfredo C. R. Azevedo, Margarete M. S. Afonso, Bruno M. Carvalho, Vanessa R. Vieira, Simone M. Costa, Júlia S. Silva, Thais A. Pereira, Daniela P. Pereira, Maurício L. Vilela   +9 more
wiley   +1 more source

Epidemiology and Molecular Characterization of Entamoeba spp. in Non-Human Primates in Zoos in China

Veterinary Sciences
The genus Entamoeba infects both humans and NHPs. In zoos, visitors feeding significantly increases the frequency of human-to-NHP contact, thereby raising the risk of zoonotic transmission.
Diya An, Shui Yu, Tingting Jiang, Jianhui Zhang, Qun Liu, Jing Liu   +5 more
doaj   +1 more source

Infectious Diseases Management in Small‐Scale Freshwater Aquaculture in West Africa: Lessons for Low‐ and Middle‐Income Countries

Reviews in Aquaculture, Volume 18, Issue 3, June 2026.
ABSTRACT Infectious diseases are an increasing threat to food security, small‐scale livelihoods and the sustainability of aquaculture in low‐ and middle‐income countries (LMICs). In sub‐Saharan Africa, aquaculture is expanding rapidly but production systems often remain fragile.
Mame Boucar Diouf, Robane Faye, Ahou Rachel Koumi, Nounagnon Darius Tossavi, Enoutchy Fabrice Bouah, Ephigénie Ndew Dione, El Hadji Malick Sy Camara, Kadjo Henri Joel Niamien, Ué Clavier Zéa Bi, Atto Delphin Kouadio, El Hadji Papa Abdourahim Sy, Thérèse Adeline Fatou Gomis, Paul Mamadou Ndour, Konan Jean Baptiste Djanhan, Samba Diouf, Jean‐Christophe Avarre, Jean Fall, Elie Montchowui, Koffi Charles Boussou   +18 more
wiley   +1 more source

Some potential occupational and environmental hazards associated with fish pond production in Nigeria [PDF]

, 2005
The paper highlights the concept of information and the significance of environmental and occupational hazards associated with pond fish production in Nigeria and discuss the possible options for the ways forward.
Ibiwoye, T.I.I., Kolndadacha, O.D., Musa, Y.M., Nyaku, R.E., Okaeme, A.N.   +4 more
core  

Canine Leishmaniasis in Rio de Janeiro, Brazil (2000–2015): Taxonomic Characterisation of Etiological Agents and Geospatial Case Analysis

Zoonoses and Public Health, Volume 73, Issue 4, Page 314-325, June 2026.
ABSTRACT Introduction Canine Leishmaniasis is a vector‐borne zoonotic disease caused by several species of protozoa of the genus Leishmania. In the state of Rio de Janeiro (RJ), Leishmania braziliensis is the most prevalent species causing tegumentary leishmaniasis (TL) and Leishmania infantum is the main causative agent of visceral leishmaniasis (VL).
Luciana de Freitas Campos Miranda, Laryssa Fabiano do Rosário Coelho, Samanta Cristina das Chagas Xavier, Artur Augusto Velho Mendes Junior, Renan Nunes Albuquerque, Aline Fagundes da Silva, Andreza Pain Marcelino, Fernanda Nunes Santos, Sandro Antonio Pereira, Rodrigo Caldas Menezes, Armando de Oliveira Schubach   +10 more
wiley   +1 more source

Severe Occupational Hypersensitivity Pneumonitis: A Case Series of Four Patients Requiring Lung Transplantation

American Journal of Industrial Medicine, Volume 69, Issue 5, Page 323-334, May 2026.
ABSTRACT Hypersensitivity pneumonitis (HP) is an immune‐mediated interstitial lung disease triggered by repeated inhalation of organic or chemical antigens. Occupational exposures account for approximately 19% of all cases. Early diagnosis, identification of the responsible antigen(s), and immediate avoidance of exposure are crucial to prevent ...
Ludwig Frei‐Stuber, Judith Mohren, Ester Mau, Bernhard Werner, Rudolf A. Hatz, Jürgen Barton, Dennis Nowak   +6 more
wiley   +1 more source

An Unusual Presentation of Cutaneous Leishmaniasis in a Patient with Substance Use: A Diagnostic and Management Case Report

Clinical Case Reports, Volume 14, Issue 5, May 2026.
ABSTRACT In patients with atypical ulcers and travel history to endemic areas, a comprehensive diagnostic workup for cutaneous leishmaniasis is imperative. This case confirms Leishmania tropica through combined microscopy, culture, and PCR, leading to successful treatment with systemic glucantime and adjunctive wound care.
Hossein Pazoki, Eissa Soleymani, Shirafkan Kordi, Mahdi Fakhar   +3 more
wiley   +1 more source