Table 1.
Selected candidate genes and their putative function in the synthesis of arabinoxylan.
| MLOC ID | CAZy family | Arabidopsis homolog | Putative function | Chromosome number* | Chromosome position* (cM) | Host epi. transcript regulation (Log2 fold change 24hai) | Non-host epi. transcript regulation (Log2 fold change 24hai) | References |
|---|---|---|---|---|---|---|---|---|
| MLOC_54026 | GT43 | AT1G27600 (IRX9-L) | β-1,4 Xylosyl transferase | 1H | 116.501 | NS (0.03) | NS (−0.17) | Lee et al., 2010; Mortimer et al., 2015 |
| MLOC_5743 | GT47 | AT3G45400 | Exostosin family protein with unknown function | 4H | 51.404 | UP (1.04) | UP (1.60) | Andersson-Gunnerås et al., 2006 |
| MLOC_15348 | GT47 | AT2G20370 (MUR3) | Xyloglucan galactosyl transferase, actin organization | 4H | 91.713 | UP (0.46) | UP (0.80) | Chevalier et al., 2010; Li et al., 2013 |
| MLOC_14407 | GT47 | AT4G16745 | Exostosin family protein with unknown function | 3H | 6.149 | UP (1.20) | UP (1.01) | Wang et al., 2008 |
| MLOC_65693 | GT8 | AT2G35710 | UDP-glucuronyl transferase | 1H | 47.827 | UP (1.37) | UP (1.19) | Rennie et al., 2012 |
| MLOC_19204 | GT8 | AT5G18480 | UDP-glucuronyl transferase | 2H | 71.956 | UP (1.19) | UP (1.08) | Rennie et al., 2012, 2014 |
| MLOC_67646 | GT61 | Not found | Unknown function | 3H | 141.918 | UP (5.73) | UP (5.32) | – |
| MLOC_64310 | GT61 | AT3G18170AT3G18180 | Arabinofuranosyl transferase (homolog of TaXAT1) | 6H | 72.238 | UP (2.70) | UP (2.73) | Anders et al., 2012 |
| MLOC_70966 | GT61 | Not found | Unknown function | 7H | 67.917 | UP (2.62) | UP (2.41) | – |
| MLOC_6357 | GT61 | AT3G18170AT3G18180 | Arabinofuranosyl transferase | 7H | 69.263 | UP (2.25) | UP (1.80) | Anders et al., 2012 |
| MLOC_80855 | GT61 | AT3G18170AT3G18180 | Arabinofuranosyl transferase | 6H | 49.787 | UP (1.79) | UP (1.27) | Anders et al., 2012 |
| MLOC_35025 | GT61 | AT3G10320 | Xylosyl transferase, decorates xylan with xylose side chains | 1H | 17.288 | UP (1.86) | UP (0.91) | Voiniciuc et al., 2015 |
| MLOC_64204 | GT75 | Not found | UDP-Arabinose Mutase (HvUAM3) | UP (2.09) | UP (1.34) | Hsieh et al., 2016 | ||
| MLOC_6065 | GT75 | Not found | UDP-Arabinose Mutase (HvUAM1) | 4H | 51.274 | UP (2.26) | UP (1.95) | Hsieh et al., 2016 |
| MLOC_39786 | GT31 | AT5G57500 | Galactosyl transferase | 5H | 55.625 | UP (2.75) | UP (3.42) | Qu et al., 2008 |
| MLOC_79335 | GT31 | AT1G27120 | Hydroxyproline-O-galactosyl transferase | 5H | 143.403 | UP (1.94) | UP (1.48) | Qu et al., 2008; Basu et al., 2015 |
| MLOC_16945 | GT31 | AT1G27120 | Hydroxyproline-O-galactosyl transferase | 1H | 18.272 | UP (0.78) | UP (0.91) | Qu et al., 2008; Basu et al., 2015 |
*
The physical location of the candidate genes derived from different mapping populations: Morex × Barke POPSEQ 2013, Oregon Wolfe POPSEQ 2013 extracted from morexGenes—Barley RNA-seq Database of The James Hutton Institute, hai, hours after inoculation (IBGSC, 2012).