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Table 1 Diploid numbers, heterochromatin patterns and chromosome location of rDNA clusters and H3 histone gene in 31 Scarabaeinae species

From: Chromosomal organization of the 18S and 5S rRNAs and histone H3 genes in Scarabaeinae coleopterans: insights into the evolutionary dynamics of multigene families and heterochromatin

Tribe

Chromosomal formula (males)

Overall heterochromatin distribution

45S rDNA

5S rDNA

H3 histone

References

   Species

  

Aut

Sex

Aut

Sex

Aut

Sex

 

Ateuchini

         

   Atheuchus sp.

16 = 7 + Xy

Pericentromeric blocks

4

-

2

-

  

This work

Canthonini

         

   Canthon staigi

18 = 8 + Xyp

Pericentromeric blocks

2

-

2

-

  

This work

   Deltochilum calcaratum

14 = 6 + neoXY

Pericentromeric blocks and diphasic chromosomes

4/6*

X/X, Y*

2

-

  

[26]; This work

   D. elevatum

20 = 9 + Xyp

 

2

-

2

-

  

This work

   D. morbillosum

14 = 6 + neoXY

Pericentromeric blocks and diphasic chromosomes

4

X

    

[26]

   D. verruciferum

20 = 9 +XYp

Pericentromeric blocks and diphasic chromosomes

4

Y

2

-

2

-

This work

Coprini

         

   Dichotomius affinis

18 = 8 + Xyp

 

2

-

2

-

  

[28]

   D. bos

18 = 8 + Xyp

Pericentromeric blocks

2

-

2

-

2

-

[28]

   D. crinicollis

18 = 8 + Xyp

Pericentromeric blocks

2

X

2

-

2

-

[28]

   D. depresicollis

18 = 8 + Xyp

Pericentromeric blocks

2

-

2

-

2

-

[28]

   D. geminatus

18 = 8 +Xyp

Pericentromeric and terminal blocks

4

-

2

-

2

-

[28, 63]

   D. laevicollis

18 = 8 + Xyp

Pericentromeric blocks

2

-

2

-

2

-

[28]

   D. mormon

18 = 8 + Xyp

 

3/4*

X/X*

2

-

  

[28]

   D. aff mundus

18 = 8 + Xyp

 

2

-

2

-

  

[28]

   D. nisus

18 = 8 + Xyp

Pericentromeric blocks

-

X, Y

2

-

2

-

[25, 28]

   D. semianeus

18 = 8 + Xyp

 

-

X

2

-

  

[28]

   D. semisquamosus

18 = 8 + Xyp

Pericentromeric blocks

2/2*

-/X*

2

-

2

-

[25, 28]

   D. sericeus

18 = 8 + Xyp

Pericentromeric blocks

2

-

2

-

2

-

[25, 28]

   D. aff sericeus

18 = 8 + Xyp

 

2

-

2

-

  

[28]

   Dichotomius sp.

18 = 8 + Xyp

 

2

-

2

-

  

[28]

   Ontherus appendiculatus

20 = 9 + Xyp

Pericentromeric and terminal blocks

2

-

2

-

  

This work

   O. sulcator

20 = 9 + Xyp

 

7/8*

-

    

This work

Oniticellini

         

   Eurysternus caribaeus

8 = 3 + neoXY

Pericentromeric blocks

-

X, Y

-

X

-

X

[24]; This work

Gymnopleurini

         

   Gymnopleurus sturmi

20 = 9 +Xy

Pericentromeric and subterminal blocks

4/5*

-

    

[22]

Onitini

         

   Bubas bison

20 = 9 + XY

Pericentromeric and large terminal blocks

8

     

[23]

Onthophagini

         

   Digitonthophagus gazella

20 = 9 + Xyp/Xy/Xyr

Pericentromeric blocks

2

-

2

-

  

This work

Phanaeini

         

   Coprophanaeus cyanescens

20 = 9 + XYp

Diphasic chromosomes

5/4*

-/X*

2

-

2

-

[27]; This work

   C. ensifer

20 = 9 + XY

Diphasic chromosomes

15/10*

X/- *

-

X, Y

-

X, Y

[27]; This work

   Diabroctis mimas

20 = 9 + Xyp/Xy

Paracentromeric blocks and diphasic chromosomes

4/6*

X/X*

5

X

5

X

[21]; This work

   Isocopris inhiata

18 = 8 + Xyp

Peri- and paracentromeric blocks and diphasic chromosomes

2

-

    

[21]

   Phanaeus splendidulus

20 = 9 + Xyp

 

7

-

2

-

2

-

This work

  1. The references provided in the table are related to results of heterochromatin distribution or chromosomal mapping of rDNAs and H3 histone genes.
  2. * Indicates the presence of polymorphism, being the two conditions observed in the same species separated by (/); Empty boxes: not available data;