RESUMEN
Temperature can have a profound effect on the phenotype of reptilian offspring, yet the bulk of current research considers the effects of constant incubation temperatures on offspring morphology, with few studies examining the natural thermal variance that occurs in the wild. Over two consecutive nesting seasons, we placed temperature data loggers in 57 naturally incubating clutches of loggerhead sea turtles Caretta caretta and found that greater diel thermal variance during incubation significantly reduced offspring mass, potentially reducing survival of hatchlings during their journey from the nest to offshore waters and beyond. With predicted scenarios of climate change, behavioral plasticity in nest site selection may be key for the survival of ectothermic species, particularly those with temperature-dependent sex determination.
Asunto(s)
Temperatura , Tortugas/fisiología , Animales , Chipre , Femenino , Comportamiento de Nidificación , Oviposición , FenotipoRESUMEN
A new measure of alcohol-related identity was derived from college students' photographic self-depictions using Ziller's (1990) autophotographic essay task. This measure and the well-developed Alcohol Expectancy Questionnaire (AEQ; Brown, Goldman, Inn, & Anderson, 1980) were used to predict frequency and typical quantity of drinking. Replicating past research, the AEQ showed a number of significant relationships with drinking behavior. The alcohol identity measure also correlated with these measures, even when variance attributable to the AEQ was controlled, and related particularly well to the typical quantity measure. It is suggested that the autophotographic essay method has heuristic value for alcohol research and other personality phenomena.
Asunto(s)
Consumo de Bebidas Alcohólicas , Determinación de la Personalidad , Fotograbar , Técnicas Proyectivas , Autoimagen , Adolescente , Adulto , Actitud , Femenino , Humanos , Masculino , Análisis de Regresión , Reproducibilidad de los Resultados , Factores Sexuales , Encuestas y CuestionariosRESUMEN
It has become increasingly apparent that Bacillus cereus can cause a severe and devastating form of endophthalmitis following penetrating trauma by a metallic object. B. cereus is an uncommon aetiological agent in non-clostridial gas-forming infections. The patient studied in this single case report showed evidence of intraocular gas mimicking gas gangrene infection. The physiology of non-clostridial bacteria producing gas from anaerobic metabolic conditions is reviewed. Further intraocular and systemic complications which may be avoided by accurate and early diagnosis and the use of recommended treatment with antibiotics such as clindamycin.
Asunto(s)
Bacillus cereus/aislamiento & purificación , Infecciones Bacterianas/microbiología , Cuerpos Extraños en el Ojo/complicaciones , Panoftalmitis/microbiología , Adulto , Anaerobiosis , Gases , Humanos , Masculino , Panoftalmitis/complicaciones , Panoftalmitis/diagnóstico por imagen , Tomografía Computarizada por Rayos XRESUMEN
We examined two children from the same family who had purulent conjunctivitis. Isolates of Neisseria species were obtained from eye cultures and Gram stain of conjunctival scrapings disclosed many gram-negative intracellular diplococci. Colony structure and growth characteristics of the organism with subsequent carbohydrate fermentation tests and serotyping were consistent with Neisseria meningitidis Group B. The patients had no neurologic signs or symptoms. Results of laboratory investigations and blood cultures were normal. Early diagnosis is mandatory and aggressive systemic therapy with appropriate antibiotics may prevent ocular, neurologic, or systemic complications.
