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The complexity of hormonal responses and their functional overlap support the presence of an intensive cross-talk between hormone signalling pathways. A detailed analysis of responses induced by ethylene and gibberellin (GA) in a GA-insensitive mutant (gai), an ethylene-resistant mutant (etr1-3), the gai etr1-3 double-mutant, and in wild-type Arabidopsis thaliana plants, revealed multiple interactions...
A cDNA clone coding for a gibberellin (GA) 20-oxidase (CcGA20ox1), an enzyme of GA biosynthesis, which when expressed in vitro catalyzed the conversion of GA12 to GA9 and of GA53 to GA20, was isolated from the citrus hybrid Carrizo citrange (Citrus sinensis Poncirus trifoliata). Transcripts of CcGA20ox1 were abundant in the apex and leaves and much less abundant in internodes, nodes and roots. Seedlings...
Intracranial infections are unusual manifestations of salmonellosis. Even with adequate medical and surgical interventions these infections are often associated with significant morbidity and mortality. We report a case of brain abscess caused by Salmonella enteritidis associated with a brain neoplasm and review previous reports in the literature.
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