Two species of Nitschkia are described from bark and wood of a legume shrub, native to the semiarid regions of Argentina. Nitschkia campylospora is characterized by asci with a variable number of ascospores, mainly 16, and curved ascospores; hairy ascomata and large ascospores are two distinct features of Nitschkia pilosa. The new species are compared with most similar species. A key to Nitschk...

The developmental stages of Trypanosoma cruzi ssp., found in the intestinal tract of Cavernicola pilosa, are described and measurements given for nine life stages. The frequencies of the various stages in foregut, midgut and hindgut of the triatomines are provided; parasites were rare in the foregut and metatrypomastigotes were seen only in the mid- and hindguts. All adult bugs examined harbour...

OBJECTIVE To study analgesic and anti-inflammatory activities of a methanolic extract (ME) of Argyreia speciosa (AS) root powder. MATERIALS AND METHODS The study was carried out using male albino mice (20-25 gm) and male wistar rats (100-150gm). The ME was prepared using soxhlet extraction process. The effect of ME of A. speciosa was investigated for analgesic activity using acetic acid-induc...

Adult Swiss albino male mice exposed to mercuric chloride via drinking water at 5 μg/ml for 100 days revealed significant reduction in the wet weight and severe histopathological changes in male accessory organs, poor level of serum testosterone and infertility. These effects were reduced remarkable and fertility was restored when drug (12.50 mg/mouse/day orally) was administered during mercury...

Metabólitos secundários atuam como mecanismos de defesa espécies vegetais, na adaptação ao meio, nos processos polinização e dispersão sementes, sendo também estudados explorados para a produção fitoterápicos e, em um cenário contemporâneo, bioherbicidas ou biofertilizantes. Nesse contexto, este estudo objetivou avaliar o potencial alelopático Zingiber officinale Roscoe sobre germinação, emergê...