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Table 3 Summary of differential expression comparisons performed in CLC Genomics Workbench. Expression values were normalised and significant difference ascertained by Baggerley's test, with FDR-corrected p value cutoff at 0.1%. Contigs were selected for up-regulation in males over females, and 3-5h embryos over 2-3h embryos using normalised fold-change.

From: Comprehensive transcriptome analysis of early male and female Bactrocera jarvisi embryos

 

Comparison

Samples¹

No. of differentially expressed contigs (FDR p < 0.001)

No. up-regulated in males and/or older embryos

Additional filters

No. of transcripts of interest

 

Male/Female comparisons

     

A

Late only (3-5h)

1,2 vs 3,4

2

0

 

0

B

Late only (3-5h), excl. BJ1

2 vs 3,4

21

9

†mean normalised RPKM of female samples <5

5

C

Early only (2-3h)

5,6 vs 7,8

73

4

†mean normalised RPKM of female samples <5

0

D

Early only (2-3h), excl. BJ5

6 vs 7,8

142

46

†mean normalised RPKM of female samples <5

4

E

Both (3-5h and 2-3h)

1,2,5,6 vs 3,4,7,8

0

0

  

F

Both (3-5h and 2-3h) excl. BJ1 and BJ5

2,6 vs 3,4,7,8

0

0

  

G

Both (3-5h and 2-3h) excl. BJ1

2,5,6 vs 3,4,7,8

0

0

  
 

Time comparisons

     

H

Both (Male and female)

1,2,3,4 vs 5,6,7,8

283

86

  

I

Both (Male and female) excl. BJ1 and BJ5

2,3,4 vs 6,7,8

2313

1213

#mean normalised RPKM of 2-3h samples <50

1051*

J

Both (Male and female) excl. BJ1

2,3,4 vs 5,6,7,8

1846

1128

#mean normalised RPKM of 2-3h samples <50

1019

K

Male only

1,2 vs 5,6

14

2

  

L

Male only excl. BJ1 and BJ5

2 vs 6

1321

827

#mean normalised RPKM of 2-3h samples <50

673*

M

Male only excl. BJ2 and BJ6

1 vs 5

183

66

  

N

Female only

3,4 vs 7,8

1980

862*

  
 

Intersections

     
 

I ∩ L

    

341

 

(I ∩ L) - (I ∩ L ∩ N)

    

105

  1. ¹ Samples BJ1- BJ8 are abbreviated to 1-8
  2. †Allowed extra expression (RPKM<5) in female samples to cover any accidental inclusion of male embryos
  3. # Determined cutoff to be 20% higher than the mean expression, in 2-3h embryos, of sisA, a transcript expressed early in D. melanogaster
  4. *Subsets of I, L and N used in intersections