Atahualpa Castillo

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Large brains relative to body size represent an evolutionarily costly adaptation as they are metabolically expensive and demand substantial amounts of time to reach structural and functional maturity thereby exacerbating offspring mortality while delaying reproductive age. In spite of its cost and adaptive impact, no genomic features linked to brain(More)
The isolation and characterization of a Rhizobium etli glutamate auxotroph, TAD12, harbouring a single Tn5 insertion, is reported. This mutant produced no detectable glutamate synthase (GOGAT) activity. The cloning and physical characterization of a 7.2 kb fragment of R. etli DNA harbouring the structural genes gltB and gltD encoding the two GOGAT subunits(More)
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