Results: 1341

Skin manifestations of tick bites in humans

An. bras. dermatol; 93 (2), 2018
Abstract: Ticks are blood-sucking arthropods that attach to human skin through oral devices causing diverse initial cutaneous manifestations, and may also transmit serious infectious diseases. In certain situations, the Health Teams (and especially dermatologists) may face difficulties in identifying the...

Acute prurigo simplex in humans caused by pigeon lice

An. bras. dermatol; 93 (2), 2018
Abstract: Pigeon lice are insects that feed on feathers of these birds; their life cycle includes egg, nymph and adult and they may cause dermatoses in humans. Four persons of the same family, living in an urban area, presented with widespread intensely pruritic erythematous papules. A great number of li...

Bacteriemia por Mycoplasma hominis: un agente etiologico subestimado

Rev. argent. microbiol; 50 (1), 2018
Mycoplasma hominis es una bacteria de cultivo exigente y forma parte de la microbiota comensal de la zona urogenital en adultos. Puede ocasionar infecciones del tracto genitourinario, en particular en mujeres, e infecciones sistémicas en neonatos. Además, puede causar infecciones extragenitales graves,...

Maize plants produce direct resistance elicited by Tetranychus urticae Koch (Acari: Tetranychidae)

Braz. j. biol; 78 (1), 2018
Abstract Plants can be attacked by a wide variety of herbivores. Thus, developing protective mechanisms for resistance against these agents is an advantage for survival and reproduction. Over the course of evolution, many resistance mechanisms against herbivory have been developed by the plants. Induced ...

Genome of Leptospira borgpetersenii strain 4E, a highly virulent isolate obtained from Mus musculus in southern Brazil

Mem. Inst. Oswaldo Cruz; 113 (2), 2018
A previous study by our group reported the isolation and characterisation of Leptospira borgpetersenii serogroup Ballum strain 4E. This strain is of particular interest because it is highly virulent in the hamster model. In this study, we performed whole-genome shotgun genome sequencing of the strain usi...

Implicaciones de la microbiota intestinal en la etiología y terapéutica de la enfermedad de Parkinson
Implications of intestinal microbiota for the Etiology and Therapeutics of Parkinson´s Disease

The beetle Costalimaita ferruginea (Coleoptera: Chysomelidae) in Eucalyptus plantations in transition area of Amazon and Cerrado Biomes

Braz. j. biol; 78 (1), 2018
Abstract Costalimaita ferruginea (Coleoptera: Chrysomelidae) attacks Eucalyptus plants causing severe damage through netting of the leaves. Recently, this Coleoptera has been reported attacking Myrtaceae in Mato Grosso State and, studies about the occurrence of this beetle in commercial plantations of eu...

Parasitism by a Digenea in Lucina pectinata (Mollusca: Lucinidae)

Braz. j. biol; 78 (1), 2018
Abstract Lucina pectinata is an important economic resource in the Brazilian coast. This study reports parasitism caused by a Digenea in this species. The specimens (n = 470) were collected in December 2012 in a mangrove swamp of the Cachoeira River estuary, Bahia, Brazil. They were measured along the an...

Transforming growth factor beta1 (TGF-ß1) levels in a rat model of induced pleural empyema

Acta cir. bras; 33 (2), 2018
Abstract Purpose: To evaluate the concentration of transforming growth factor beta 1 (TGFB1) levels in a rat pleural effusion obtained by inoculation of intrapleural bacteria or turpentine through thoracentesis. Methods: Thirty-Nine Wistar rats were divided into three groups: Staphylococcus aureus (SA...