(A) Aspartate aminotransferase (ASAT) plasma levels at 18 hr p.i. with E. coli, of lipopolysaccharide (LPS) or NaCl pretreated wildtype or lymphocyte deficient mice (Rag2-/-), which have received either phosphate-buffered saline (PBS) or splenocytes i.v. 3 weeks prior infection. This evidence concerns the gene RAG2 and infection.