Table 1 Classification of LTRs in different families and subfamilies.

From: Assessment of genetic diversity and variety identification based on developed retrotransposon-based insertion polymorphism (RBIP) markers in sweet potato (Ipomoea batatas (L.) Lam.)

Subfamily cluster number

Copia family

Gypsy family

Subfamily number

LTR-RT number

Subfamily number

LTR-RT number

1

12,342

12,342

7775

7775

2

23

46

37

74

>  = 3

85

614

49

265

Total

12,450

13,002

7861

8114

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