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Table 1 Characteristics of universal primers for cry1, cry2, cry3, cry4, and cry7, 8 group genes

From: Isolation and identification of Bacillus thuringiensis strains native of the Eastern Province of Saudi Arabia

Primer pair

Sequence of primer

Gene recognized

Expected size (bp)

Un1(d)

Un1(r)

5′CATGATTCATGCGGCAGATAAAC-3′

5′-TTGTGACACTTCTGCTTCCCATT-3′

cry1

274

277

Un2(d)

Un2(r)

5′-GTTATTCTTAATGCAGATGAATGGG-3′

5′-CGGATAAAATAATCTGGGAAATAGT-3′

cry2

689

701

Un3(d)

Un3(r),

5′CGTTATCGCAGAGAGATGACATTAAC3′

5′-CATCTGTTGTTTCTGGAGGCAAT-3′

cry3

589

595

604

Un4(d)

Un4(r)

5′-GCATATGATGTAGCGAAACAAGCC3′

5′-GCGTGACATACCCATTTCCAGGTCC-3′

cry4

439

Un7,8(d)

Un7,8(r)

5′AAGCAGTGAATGCCTTGTTTAC-3′

5′-CTTCTAAACCTTGACTACTT-3′

cry7 and cry8

420

423