Survival processing eliminates collaborative inhibition.

The present experiments examined the effect of processing words for their survival value, relevance to moving and pleasantness on participants' free recall scores in both nominal groups (non-redundant pooled individual scores) and collaborative dyads. Overall, participants recalled more words in the survival processing conditions than in the moving and pleasantness processing conditions. Furthermore, nominal groups in both the pleasantness condition (Experiment 1) and the moving and pleasantness conditions (Experiment 2) recalled more words than collaborative groups, thereby replicating the oft-observed effect of collaborative inhibition.

Surveillance of alloantibodies after transplantation identifies the risk of chronic rejection.

The monitoring of the levels of alloantibodies following transplantation might facilitate early diagnosis of chronic rejection (CR), the leading cause of renal allograft failure. Here, we used serial alloantibody surveillance to monitor patients with preoperative positive flow cytometric crossmatch (FCXM). Sixty-nine of 308 renal transplant patients in our center had preoperative positive FCXM.

Postmortem CT findings of gastromalacia: a trap for the radiologist with forensic interest.

Autolytic rupture of the stomach, so called gastromalacia, is a well recognized artifact at autopsy. A 50 year old Asian woman with a past history of alcoholism, head injury and posttraumatic epilepsy was found deceased at home following a 12 h period of feeling unwell, seizures and vomiting. Postmortem CT images of the abdomen showed free gas in the peritoneal cavity adjacent to the stomach and no other abnormality.

Escherichia coli L-serine deaminase requires a [4Fe-4S] cluster in catalysis.

L-Serine deaminases catalyze the deamination of L-serine, producing pyruvate and ammonia. Two families of these proteins have been described and are delineated by the cofactor that each employs in catalysis. These are the pyridoxal 5'-phosphate-dependent deaminases and the deaminases that are activated in vitro by iron and dithiothreitol.

Subcellular localization of chlorosome proteins in Chlorobium tepidum and characterization of three new chlorosome proteins: CsmF, CsmH, and CsmX.

Chlorosomes are unique light-harvesting structures found in two families of photosynthetic bacteria. In this study, three chlorosome proteins (CsmF, CsmH, and CsmX) of the green sulfur bacterium Chlorobium tepidum were characterized by cloning and sequencing the genes which encode them, by overproducing the respective proteins in Escherichia coli, and by raising polyclonal antisera to the purified proteins. Three other proteins (AtpF, CT1970, and CT2144) which were identified in chlorosome fractions have similarly been characterized.