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Table 1 Origin of trp-recapture operon by horizontal gene transfer?

From: Dynamic diversity of the tryptophan pathway in chlamydiae: reductive evolution and a novel operon for tryptophan recapture

  

FirstBLAST hit

Second BLAST hit

Gene

%GC

Organism*

% Identity

Organism*

% Identity

trpR

37

Chlamydia trachomatis (42)

61

Vibrio cholerae (48)

37

trpB

40

Arabidopsis thaliana (54)

45

Methanococcus jannaschii (31)

39

trpD

37

Streptomyces coelicolor (72)

43

Mycobacterium leprae (58)

41

trpC

41

Chlamydia trachomatis (42)

47

Chlamydia muridarum (42)

46

trpEb

42

Chlamydia trachomatis (42)

74

Aquifex aeolicus (43)

59

trpEa

39

Chlamydia trachomatis (42)

44

Xylella fastidiosa (54)

40

kynU

40

Homo sapiens (53)

40

Mus musculus (53)

39

kprS

37

Thermotoga maritima (46)

41

Campylobacter jejeuni (31)

41

trpEb-2†

42

Chlamydia trachomatis (42)

69

Pyrococcus kodakaraensis (55)

56

(C. psittaci genome)

42

    
  1. *Organisms having proteins returning the top hits after a BLAST search using the indicated C. psittaci genes on the left as query sequences are shown. Overall genomic %GC is given in parentheses. †Extra-operonic paralog of trpEb (see Figure 1).
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Genome Biology

ISSN: 1474-760X

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