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Fig. 3. tfr1a is the defective gene in cia. (A) (left) Radiation
hybrid map of zebrafish LG 2 showing placement of tfr1a; (middle) map
of human chromosome 3; (right) map of zebrafish LG24 showing the RH map
position of tfr1b. Syntenic ESTs are shown, with corresponding human
orthologs annotated as follows: (1) TF, (2) EIF4G1, (3) ATP1B3, (4) AHSG, (5)
AP2M1, (6) LOC51714, (7) EPHB1, (8) CHST2, (9) TFRC, (10) AXUD1, (11) ORCTL3,
(12) HYA22, (13) NP25, (14) FLJ11342, (15) EIF5A2. (B) Amino acid alignment of
zebrafish tfr1a, tfr1b, and tfr2; dark shading indicates
identical residues, asterisks mark the location of the
ciahp327, ciahs019,
ciaiu089 and ciatu25f mutations. (C) A
phylogenetic tree of the Tfr amino acid sequences reveal divergence between
teleost and tetrapod Tfr1 family members, and conservation between known
vertebrate Tfr2 proteins. The MegAlign application in DNAStar software was
used for alignment and construction of the phylogenetic tree.