Table 4.
Results of Methylation and Expression Tests of Predicted Genes in the Barley Mla Region
Methylation Testb
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Gene Abbreviation (in Figure 5) |
Gene | Primer Pair | Primer Positiona |
Annealing Temperature |
Size (bp) |
Morex | Steptoe | C.I. 16151 |
C.I. 16155 |
Transcription |
g1 | 711N16.16 | CGTAGATAGACAACGGAATCGAGG-GGGCGGGGTTCAACATATTG | CDS | 58 | 271 | − | + | − | − | + |
g2 | 711N16.15 | CGGACGAACAGTTGGTGTGCACCA-GGAGGAAGGAACACGC | CDS | 62 | 215 | − | − | − | − | + |
g3 | 711N16.14 | CGATCACAGTCACCGAGCAATCTG-AAGATAGCCAACGCCCTG | CDS | 58 | 138 | ++ | ++ | ++ | ++ | − |
Bpm | Bpmb | ATAAGCCGCCTTGCATAATACGAA-CTACCACTTCACACCTTGCAGG | Intron | 55 | 625 | + | + | − | + | + |
g5a&b | Bmtb | TTCTAGCAAGCATCTAAAGGTTTCG-ACATCTGTTAGTCGGGCAAGAGAC | 3′ UTR | 54 | 576 | + | + | + | + | − |
Bdi | Bdi | AGGGCATCTTCAATGGTCCTATGC-GGAGCTTGTGCGTGAACC | Predicted CDS | 51 | 136 | ++ | ++ | ++ | ++ | + |
g8 | 711N16.9 | CGACATTGTCCTGCTCTGTTGCCG-GTTTGAATTGGACGAGCTTG | CDS | 58 | 134 | ++ | ++ | NP | ++ | + |
g9 | 711N16.8 | TGTTGACTCCTTGATTCCATCCACC-TGCTAGATAAAGGCATCGTACCTG | CDS | 57 | 582 | ++ | ++ | ++ | ++ | + |
3a&3b | RGH3a/b | GGTGTGTGATTTCGATGCCCAGGA-GCCTGCACCGTCT | CDS | 54 | 146 | + | + | + | NP | + |
g11a&b | 80H14.15 | ACCCTGCTGCCGATCTACTGATAG-ATCGTTCCTCTTCCTCGTCGTC | CDS | 59 | 157 | ++ | ++ | ++ | ++ | − |
g12a&b | 80H14.14c | GAGCACACTGGATTGTTGAAATGG-CACCCATGCCTTCCATAGTAGC | CDS | 58 | 374 | ++ | ++ | ++ | ++ | − |
2a&b | RGH2a/b | ACCCTCGCCAGACAAGTTTACCGA-AAAGCAGCTTATGCACGTCG | CDS | 57 | 165 | ++ | NP | ++ | NP | + |
1e&f | RGH1e/f | CATGGTTAGCCTGATCTCCAAGCT-GGAATTGCTCCGTGATTTCC | CDS | 57 | 372 | ++ | NP | ++ | NP | + |
g15a&b | 80H14.11 | TCACACCATACGCCGCAACAGGTG-CTCACCGCAACGTC | CDS+Intron | 64 | 378 | ++ | ++ | ++ | ++ | − |
g16a&b | 80H14.10 | CCTTTGTCGTTAGGATCGCATTCGT-TGGTAGGGTTATTGTTCATGCAC | CDS | 56 | 131 | ++ | ++ | ++ | ++ | + |
1bcd | RGH1bcd | GAGTAATTGTCGCCGTTTGTCCGC-AACACACCAACTAGAGGAAACAC | CDS | 54 | 434 | − | + | ++ | ++ | + |
g25 | 80H14.8b | TCGGTGACGGTGTGACAATTCCTT-GATCTTCCCCTTGCTTGC | Intron+CDS +3′ UTR |
58 | 493 | − | NP | − | − | + |
CI2f | CI2f | GGACCTGGGCAATGTTGTCGCAAA-GGAAGCAAGCGTAACAAGG | 5′ UTR+CDS | 58 | 264 | − | − | − | + | + |
CI2e | CI2e | GCAACCCAACTAGCCAACGTGGC-CAAGGAGATCATTCTCAAGGAC | CDS+3′ UTR | 59 | 150 | + | + | + | ++ | + |
1a | RGH1a | TTGGGAAAAATAGCAGCCTGCATG-CAAGGGGTCTCTCATTATCC | CDS | 56 | 572 | − | ++ | − | − | − |
CI2d | CI2d | GCTGACCCAAAAGCACCCGCTAG-CCGATGTGAGGAGTGGTC | CDS | 59 | 216 | − | − | − | − | + |
The position of the primer pair is designated as follows: CDS, coding sequence; UTR, untranslated region.
Methylation test: +, only HpaII sensitive, internal C methylated; ++, both HpaII and MspI sensitive, external or both Cs methylated; −, not methylated; NP, no PCR product amplified from unrestricted genomic DNA.
These primers were used only for methylation tests. For RT-PCR, primers 5′-GAGCACACTGGATTGTTGAAATGG-3′ and 5′-GGAGCTTGATAGGTGTTGGCAAG-3′ were used at an annealing temperature of 55°C to amplify a 169-bp 80H14.14 product, primers 5′-AGAAAAGTTCCAGAAGATG-3′ and 5′-AAAAGACTATTTCGATTCC-3′ were used at an annealing temperature of 44°C to amplify a 117-bp Bmt product, primers 5′-ACTTCTTCAGTGTGTTCAGGTGAG- C-3′ and 5′-GCAAGCCACATGAGAGAACTGC-3′ were used at an annealing temperature of 55°C to amplify a 387-bp Bpm product, and primers 5′-GCTACTGGAGCCATCACATGAAG-3′ and 5′-CTTGATCTTCCCCTTGCTTGC-3′ were used at an annealing temperature of 58°C to amplify a 209-bp 80H14.8 product.