Pyruvate Kinase Similarity and Selected Gene Expression in Arabidopsis.
(A) Pyruvate kinase phylogeny. Amino acid sequences of Arabidopsis (gene loci in bold) and other bona fide pyruvate kinases were used. Bootstrap values are indicted at branches; α and β represent plastidic PK subunit families. The scale represents 10% difference. An, Aspergillus niger; Ec, Eschericia coli; Gm, Glycine max; Hs, Homo sapiens; Nt, Nicotiana tabacum; Os, Oryza sativa; Pfu, Pyrococcus furiosus; Rc, Ricinus communus; Sa, Sulfolobus acidocaldarius; Se, Synechocystis sp; Sc, Saccharomyces cerevisiae; St, Solanum tuberosum.
(B) Relative gene expression of putative Arabidopsis PKp-α (At3g22960), PKp-β1 (At5g52920), and PKp-β2 (At1g32440) encoding genes (derived from published microarray data; ). Values are the mean ± sd (n = 3). DAF, days after flowering.