Table 1 Variations in amino acid levels in the medaka liver, expressed as the ratio of day to night levels.

From: Circadian variations in the liver metabolites of medaka (Oryzias latipes)

Metabolite

Ratio (ZT16/ZT4)

p-value

 

Cysteine (Cys)

2.9

0.032

*

Glycine (Gly)

2.2

0.038

*

Alanine (Ala)

1.5

0.161

 

Glutamic acid (Glu)

1.3

0.038

*

Glutamine (Gln)

1.2

0.545

 

Proline (Pro)

1.0

0.898

 

Valine (Val)

1.0

0.859

 

Serine (Ser)

0.7

0.027

*

Isoleucine (Ile)

0.6

0.034

*

Threonine (Thr)

0.6

0.013

*

Asparagine (Asn)

0.6

0.086

 

Histidine (His)

0.6

0.002

**

Aspartic acid (Asp)

0.6

0.013

*

Leucine (Leu)

0.5

0.013

*

Lysine (Lys)

0.4

1.7E-04

***

Arginine (Arg)

0.4

0.193

 

Tryptophan (Trp)

0.3

0.117

 

Methionine (Met)

0.2

0.012

*

Phenylalanine (Phe)

0.2

0.059

 

Tyrosine (Tyr)

0.2

0.038

*

  1. *p < 0.05; **p < 0.001, Student’s t-test
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