Results: 1740

Seed dormancy of Ochradenus baccatus (Resedaceae), a shrubby species from Arabian desert regions

Rev. biol. trop; 64 (3), 2016
Abstract:Ochradenus baccatus is a perennial glycophyte growing in Middle East and it is one of the most important food sources for many animal species in desert regions. The aim of our study was to investigate the effects of seed storage, light, temperature and gibberellic acid (GA3) on germination of O....

Variación fenotípica de la langosta espinosa Panulirus argus (Decapoda: Paniluridae) en el Caribe Suroccidental

Rev. biol. trop; 64 (3), 2016
ResumenLa langosta espinosa Panulirus argus es una importante especie pesquera en el Atlántico centro-occidental. Los cambios en el rango de dispersión a través de su ciclo de vida y sus hábitats heterogéneos, sugieren que P. argus exhibe plasticidad fenotípica. Sin embargo, la variación morfomét...

Volatile compounds profile of Bromeliaceae flowers

Rev. biol. trop; 64 (3), 2016
Abstract:Volatile compounds play a vital role in the life cycle of plants, possessing antimicrobial and anti-herbivore activities, and with a significant importance in the food, cosmetic, chemical, and pharmaceutical industry. This study aimed to identify the volatile compounds emitted by flowers of thir...

Biomass allocation and gas exchange are affected by light conditions in endangered Cedrela salvadorensis (Meliaceae) seedlings

Rev. biol. trop; 64 (3), 2016
Abstract:The determination of favorable light habitat conditions per species and life stage is transcendental, for both ex situ and in situ conservation strategies of endangered forest tree species, and for their utilization as plantation trees. This becomes especially important when planting material is...

Cranial osteology of the genus Sclerurus (Passeriformes: Furnariidae)

Rev. biol. trop; 64 (3), 2016
Abstract:The Furnariidae encompasses 293 species and has been recognized as an example of continental adaptive radiation. They inhabit biomes from deserts to humid forests at all strata and show morphological heterogeneity unparalleled among birds at any taxonomic level. Sclerurus is a uniform genus of c...

Egg-guarding behavior of the treehopper Ennya chrysura (Hemiptera: Membracidae): female aggregations, egg parasitism, and a possible substrate-borne alarm signal

Rev. biol. trop; 64 (3), 2016
AbstractTreehoppers are known for their substrate-borne communication and some of them also for their subsocial behavior. Following a more general study of the natural history and substrate-borne signal repertoire of the treehopper Ennya chrysura, the objective of this paper was to explore in greater dep...

Serum BDNF levels in unaffected first-degree relatives of patients with bipolar disorder

Objective: Unaffected relatives of bipolar disorder (BD) patients have been investigated for the identification of endophenotypes in an attempt to further elucidate the pathophysiology of the disease. Brain-derived neurotrophic factor (BDNF) is considered to be implicated in the pathophysiology of BD, bu...

Sensory processing patterns, coping strategies, and quality of life among patients with unipolar and bipolar disorders

Objective: To compare sensory processing, coping strategies, and quality of life (QoL) in unipolar and bipolar patients; to examine correlations between sensory processing and QoL; and to investigate the relative contribution of sociodemographic characteristics, sensory processing, and coping strategies ...

Relationship between inflammatory biomarkers and depressive symptoms during late pregnancy and the early postpartum period: a longitudinal study

Objective: Perinatal depressive symptoms often co-occur with other inflammatory morbidities of pregnancy. The goals of our study were 1) to examine whether changes in inflammatory markers from the third trimester of pregnancy to 12 weeks postpartum were associated with changes in depressive symptoms; 2) ...

Characterization of the motor performance of newborns in a neonatal unit of tertiary level

Summary Objective: To characterize the motor performance of newborns in a neonatal unit of tertiary level and compare the results to the values recommended by the Test of Infant Motor Performance (TIMP). Method: Newborns between 34 and 416/7 weeks of corrected gestational age, breathing spontaneously a...