HAEMOPHAGOCYTICLYMPHOHISTIOCYTOSIS: AN INHERITED PRIMARY FORM AND A REACTIVE SECONDARY FORM

Molecular basis of an inherited form of incomplete achromatopsia.

Mutations in the genes encoding the CNGA3 and CNGB3 subunits of the cyclic nucleotide-gated (CNG) channel of cone photoreceptors have been associated with autosomal recessive achromatopsia. Here we analyze the molecular basis of achromatopsia in two siblings with residual cone function. Psychophysical and electroretinographic analyses show that the light sensitivity of the cone system is lowere...

An Unusual Form of Tinea Versicolor: A Case Report

Tinea versicolor is caused by Malassezia furfur and presents as hypo or hyper-pigmented coalescing scaly macules on the trunk and upper arms. Sites of predilection are the sternal region and the sides of the chest, the abdomen, back, pubis, neck, and intertriginous areas. We report a case of tinea versicolor with a reticulated pattern on acral sites.  

A new form of inherited red-blindness identified in zebrafish.

A red-blind zebrafish mutant, partial optokinetic response b (pob), has been isolated by measuring eye movements of larvae in a three-generation screen for recessive mutations affecting the visual system. pob larvae exhibit eye movements in response to rotating black and white stripes illuminated with white light, but they do not move their eyes when the stripes are illuminated with red light. ...

An Unsual form of Measles Meningoencephalitis

An Intermediate Form of Behavioral Control in ‘Reactive’ Robots

The hypothesis of behavioral control as a form of traffic regulation is tested by means of simulation. Agents have to survive in an environment with a day/night rhythm by eating food and avoiding obstacles. This goal is achieved easily at day, but not at night due to interference of darkness with sensor readings. Two categories of agents are tested: reactive and control system agents. The contr...