Table 1

Correlation (P-value) versus duplication time

Significance of difference between slow and fast growers


Total (N = 113)

*Non-obligatory symbiont only (N = 77)

Total (N = 113)

§Non-obligatory symbionts (N = 77)


Genome size (bp)

-0.30

-0.04

0.001

0.4

(0.001)

(0.7)

(S: 2,695,676, F: 3,402,099)

(S: 3,614,838, F: 3,479,053)

Network size

-0.38

-0.13

0.002

0.3

(3.1e-05)

(0.2)

(S: 326, F: 410)

(S: 408, F: 431)

Fraction of

-0.42

-0.21

4e-4

0.2

regulatory genes [33]

(0.0004)

(0.13)

(S: 0.03, F: 0.05)

(S: 0.04, F: 0.05)

Estimate of

-0.34

-0.07

1e-4

-

environmental complexity [19]

(2-04)

(0.5)

(S: 3, F: 4)

ESI

-0.25

-0.23

0.03

0.06

(0.008)

(0.04)

(S: 0.006, F: 0.02)

(S: 0.008, F: 0.02)

ESI: random

-0.47

-0.35

8e-6

0.002

environments§

(1.6e-07)

(0.002)

(S: 0.007, F: 0.03)

(S: 0.01, F: 0.004)

Maximal-CHS

-0.27

-0.28

0.03

0.02

(0.03)

(0.01)

(S: 14, F: 27)

(S: 20, F: 31)

Maximal-CHS: random

-0.34

-0.23

6e-4

0.01

environments§

(1e-4)

(0.05)

(S: 39, F: 72)

(S: 50, F: 85)


*According to definitions from [19] and manual curation (see Materials and methods). The two sets of data (all species and non-obligatory symbionts) were divided into two bins according to species growth rate (fast and slow). The significance between the genomic attributes studied (for example, genome size, network size, and so on) was calculated with one-sided Wilcoxon rank sum test. Values in parentheses are the mean values of the relevant attribute in the slow growing (S) and fast growing (F) groups. Values not computed since low-ranked estimates of environmental complexity represent the obligatory symbionts, which were excluded from the analysis. §Random environments are described in Materials and methods.

Freilich et al. Genome Biology 2009 10:R61   doi:10.1186/gb-2009-10-6-r61

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