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Table 3 Relative frequencya of the most frequent microsatellite motifs found in nematode genomes

From: Genome-wide survey and analysis of microsatellites in nematodes, with a focus on the plant-parasitic species Meloidogyne incognita

Nematode species

Length of microsatellite motif (bp)

 

1

2

3

4

5

6

M. incognita

C (79.5)

AG (49.5)

AAC (52.2)

AAAT (54.0)

AAACG (70.6)

AAAAAT (33.3)

 

A (20.5)

AT (27.0)

AAT (19.4)

AATT (24.9)

AAATT (8.8)

AACGGT (33.3)

 

--

AC (23.5)

AAG (11.7)

AGGT (6.6)

AAGGG (5.9)

AAATTT (16.6)

 

--

--

AGG (7.5)

AGGG (6.1)

AAAAG (2.9)

ACGGGG (16.6)

Total no./Mbb

30.6

2.3

20.9

2.5

0.4

0.1

M. hapla

A (75.0)

AT (66.7)

AAT (38.2)

AAAT (66.8)

AAAAT (50.0)

AAAATT (50.0)

 

C (25.0)

AG (27.2)

AAC (37.5)

AATT (27.5)

CTTTT (20.0)

AAAGGG (50.0)

 

--

AC (6.1)

AAG (12.1)

AACT (2.3)

AAATT (2.0)

--

 

--

--

AGG (4.5)

AAAG (1.1)

AAACG (10.0)

--

Total no./Mb

26.1

1.9

20.4

5.0

0.2

0.1

C. elegans

A (72.8)

AG (36.7)

AAG (29.8)

ACCT (32.5)

AATTT (52.6)

AACCGT (57.0)

 

C (27.2)

AT (32.6)

AAT (19.1)

AAAT (29.3)

AAACT (23.7)

AACGGT (8.3)

 

--

AC (30.6)

ACT (17.0)

ACGG (12.2)

AACGT (7.9)

AAGTTT (6.7)

 

--

CG (0.1)

ACG (12.4)

AAGT (9.3)

AAAAT (7.9)

ACCGGT (6.3)

Total no./Mb

64.6

19.8

23.3

2.5

0.4

3.0

P. pacificus

C (80.6)

AG (77.9)

AAT (26.7)

AAGT (29.1)

AACTT (52.8)

AACCGT (21.0)

 

A (19.4)

AT (16.9)

AGG (20.5)

AATT (23.1)

AAAGT (11.7)

AAAAGT (18.9)

 

--

AC (5.0)

AAC (17.9)

AACT (16.5)

AAACT (9.8)

AAACTT (10.5)

 

--

CG (0.2)

AAG (17.4)

AAAT (9.9)

AAGGG (6.1)

AAGGGG (9.5)

Total no./Mb

64.4

23.4

28.4

4.2

1.0

0.6

B. malayi

A (99.6)

AT (44.7)

AAT (60.9)

AAGT (35.6)

AAAGT (36.6)

AACCGT (49.5)

 

C (0.4)

AG (32.4)

ACT (17.2)

AACT (16.4)

AAGGT (13.4)

AACCCT (6.4)

 

--

AC (22.8)

AAC (10.8)

AAAT (13.0)

AACTT (13.4)

AAAGGG (6.4)

 

--

CG (0.1)

ACG (4.6)

AATT (9.8)

AAAAC (4.0)

ACGTTT (5.5)

Total no./Mb

485.0

73.7

62.9

17.3

2.3

1.1

  1. aMost frequent motifs (maximum of 4) listed for each nematode species in each nucleotide class (frequency given as a percentage of the total number of microsatellites with a motif of the same length).
  2. bGlobal density of microsatellites for each nucleotide class, including unlisted motifs (if any).