Table 1 Primer sequences of molecular markers developed for nine SWEET genes highly expressed in fruit of apple

From: Developing gene-tagged molecular markers for evaluation of genetic association of apple SWEET genes with fruit sugar accumulation

Gene

ID

LG

Gene tag

Primer sequence (5′–3′)

Expected size (bp)

Type

Motif

Location

Forward

Reverse

 

MdSWEET2b

MD11G1270800

11

SSR

(AG)7

93 bp of USC

TGAGGCAGAAACAATCATAAGGGTC

GAGCACGGAATTTGAAGCTGTAAAA

257

MdSWEET2a

MD03G1250600

3

SSR

(GA)11

102 bp of USC

ATACCGAGGAACTGTAGGACCAAGC

CTCCACACTAAACAACCAGAAAGCA

335

MdSWEET2d

MD05G1293100

5

SSR

(AT)8

664 bp of USC

CATTCAATTTATTCGACCGGACGAC

TGGGTTCATCCCTCACTTTCACTCA

270

MdSWEET2e

MD10G1269300

10

SSR

(AT)7

4203 bp of USC

GTGAGCCCACAACTAATCCCAT

CTTGTGCGTAGGAATCCCGATA

219

MdSWEET7b

MD06G1112000

6

SSR

(CT)17

192 bp of USC

GGGTTTTGAGAATCTTGAGGGTAGG

TTTGATGGGTTGGACTGTAACTTGC

251

MdSWEET9b

MD04G1236000

4

SSR

(CT)19

Second intron

GCGCCAATGTAAGACCCTTTACTTT

CTGACCTTGTCCTTCTTGGATGCGTA

348

MdSWEET7a

MD11G1299200

11

SSR

(CT)14

Second intron

TTCTATCTCCCCTTCCCAAACTTCC

GCTAAACAGTGCCACTGCATAAGGT

340

MdSWEET12a

MD14G1151300

14

SSR

(TA)10

1902 bp of USC

ATGACAGGGCAACTTCAGGGT

CGTAATAGTCCTTTGCCCTCC

253

MdSWEET15a

MD16G1125300

16

CAPS

T/C

First intron

ACCTACCAATCCTCCATCTGTC

CCATCACAATAACTCACCTGCTTC

641

  1. USC upstream of start codon