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Table 1 Measurements and intra-triplet comparison of individual chromosomes of Atratolytocestus huronensis (n = 14)

From: How to become a successful invasive tapeworm: a case study of abandoned sexuality and exceptional chromosome diversification in the triploid carp parasite Atractolytocestus huronensis Anthony, 1958 (Caryophyllidea: Lytocestidae)

Triplet no.

Chromosome

Absolute length (µm)

Centromeric index

Classificationª

Noteb

1

A

13.9 ± 2.2*

45.8 ± 2.2

m

 

B

12.5 ± 1.6

45.9 ± 2.6

m

C

11.1 ± 2.1

46.0 ± 1.7

m

2

A

9.5 ± 1.9

19.2 ± 2.4*

a

intTS, AT-rb, 2×NOR,

B

8.2 ± 1.6

13.6 ± 2.8

a

AT-rb, 2×NOR

C

7.2 ± 1.4*

12.6 ± 2.5

a

AT-rb, 2×NOR

3

A

7.9 ± 1.4*

13.7 ± 2.4

a

2×AT-rb

B

6.5 ± 1.2

24.2 ± 3.1*

a-sm

 

C

6.0 ± 1.1

12.5 ± 3.5

a

AT-rb

4

A

4.3 ± 0.7

30.3 ± 7.4*

sm

intTS

B

4.2 ± 0.7

43.5 ± 2.7

m

 

C

4.1 ± 0.6

42.0 ± 3.8

m

 

5

A

3.9 ± 0.6

19.0 ± 1.9*

a

2×AT-rb

B

3.8 ± 0.5

43.4 ± 3.6

m

 

C

3.7 ± 0.7

44.1 ± 3.1

m

 

6

A

3.5 ± 0.6

44.4 ± 3.3

m

intTS, AT-rb

B

3.4 ± 0.6

46.0 ± 2.5

m

 

C

3.3 ± 0.5

45.9 ± 3.0

m

 

7

A

3.1 ± 0.6

30.5 ± 6.2*

sm

 

B

3.1 ± 0.6

21.4 ± 4.0

a

 

C

2.6 ± 0.5*

20.0 ± 3.5

a

AT-rb, intTS

8

A, B, C

0.8 ± 0.3

 
  1. aClassification according to Dos Santos Guerra [15]: m, metacentric; sm, submetacentric; a, acrocentric chromosome pair
  2. bintTS, interstitial telomeric signal; AT-rb, AT-rich band; NOR, cluster of ribosomal DNA
  3. *Significant difference (P < 0.05) from the neighbour chromosome of the same triplet