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We show that NtrC couples the Ntr stress response and stringent response in N starved E. coli, which appears to be a conserved adaptive strategy employed by many bacteria to manage conditions of nutritional adversity. N starved Escherichia coli initiate the nitrogen regulation (Ntr) stress response ...
ORGANISM(S): Escherichia coli str. K-12 substr. MG1655 
Enterohemorrhagic Escherichia coli (EHEC), including serotype O157:H7, cause severe food-borne illness. On route to the human colon, they encounter and resist, numerous anti-microbial ingestion stresses. We hypothesize that these stresses cue EHEC to alter virulence properties. This study investigat...
ORGANISM(S): Escherichia coli 
Examination of gene expression changes during hypoxia of the Dahl salt sensative (SS) rat and SS11BN consomic rat. SS11BN rats are derived from introgression of chromosome 11 from Brown Norway (BN) rat into the SS genetic background.
ORGANISM(S): Rattus norvegicus 
Examination of gene expression changes during hypoxia of the Dahl salt sensative (SS) rat and SS4BN consomic rat. SS4BN rats are derived from introgression of chromosome 4 from Brown Norway (BN) rat into the genetic background.
ORGANISM(S): Rattus norvegicus 
Examination of gene expression associated with hypoxia treatment of parental salt sensitive (SS) and consomic Brown Norway (SS9BN) rat strain. SS9BN rats are derived from introgression of chromosome 9 from BN rats into the SS genetic background.
ORGANISM(S): Rattus norvegicus 
An anthropogenic chemical contaminant commonly identified in aquatic receiving environments is the non-steroidal anti-inflammatory drug (NSAID), ibuprofen(IBF). While the role of ibuprofen in target organisms is known, there exists a paucity of data on the impact of exposure to non-target wildlife s...
ORGANISM(S): Rana catesbeiana 
Two wild house mice lines were genetically selected for short and long attack latency. Mice with an attack latency <50s or >600s were considered short attack latency mice (SAL) and long attack latency mice(LAL) respectively. RNA from the hippocampus of 14 SAL or 14 LAL mice was pooled and used as in...
ORGANISM(S): Mus musculus 
Chemical warfare nerve agents (CWNA) are potent cholinesterase inhibitors that may also have non-cholinesterase effects. Several in vivo studies have shown that exposure to CWNA compounds induces damage in the brain and heart. Underlying mechanisms of this damage are a critical area of research for ...
ORGANISM(S): Homo sapiens 
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