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Table 1 Correlations between distance to nearest origin, average gene expression in exponential phase, proportion archaeal core genes, protein-coding density, average distance between adjacent bidirectional (divergently transcribed) genes, and transposable element density in the two Sulfolobus chromosomes

From: Replication-biased genome organisation in the crenarchaeon Sulfolobus

 

Gene expression

Archaeal core genes

Coding density

Bidirectional gene pair distances

Proportion transposons

 

S. solfataricus

Distance to origin

-0.68 (10-3)

-0.62 (10-2)

-0.64 (10-2)

0.57 (10-2)

0.71 (10-3)

Gene expression

 

0.83 (10-5)

0.72 (10-3)

-0.71 (10-3)

-0.64 (10-2)

Archaeal core genes

  

0.74 (10-4)

-0.58 (10-2)

-0.75 (10-4)

Coding density

   

-0.92 (10-5)

-0.87 (10-6)

Bidirectional gene distances

    

0.74 (10-4)

 

S. acidocaldarius

Distance to origin

-0.83 (10-5)

-0.77 (10-4)

-0.64 (10-2)

0.57 (10-2)

 

Gene expression

 

0.85 (10-6)

0.70 (10-3)

-0.67 (10-3)

 

Archaeal core genes

  

0.51 (10-1)

-0.59 (10-2)

 

Coding density

   

-0.79 (10-5)

 

Bidirectional gene distances

     
  1. The genomic parameters were calculated in 100 kb, non-overlapping windows (22 and 29 windows for S. acidocaldarius and S. solfataricus, respectively). Numbers indicate Spearman rank-order correlation coefficients, ρ, with P values (rounded upwards) within parenthesis.