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首页> 外文期刊>Journal of genetics >BADH1 is associated with fragrance in sorghum ( Sorghum bicolor (L.) Moench) cultivar ‘Ambemohor’
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BADH1 is associated with fragrance in sorghum ( Sorghum bicolor (L.) Moench) cultivar ‘Ambemohor’

机译：Badh1与高粱香水有关（高粱双子（L.）Moench）栽培品种“Ambemohor”

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Aroma is an important trait that can enhance the product value in several crops. Pandan-like fragrance resulting fromaccumulation of 2-acetyl-1-pyrroline (2AP) is one of the pleasant aromas in food crops which is caused by null or missense mutations inbetaine aldehyde dehydrogenase 2 ( BADH2 ) gene. In addition, betaine aldehyde aehydrogenase 1 ( BADH1 ) has shown to be associatedwith aroma in rice. In this study, we investigated the genetics controlling coconut juice-like fragrance in inflorescence of sorghum cultivar ‘Ambemohor’. 2AP analysis in seeds revealed that Ambemohor possessed no 2AP. An F$_{2}$ population developed from the cross betweenAmbemohor $imes$ KU630 (nonfragrant) segregated into a ratio of 3 (fragrant) : 1 (nonfragrant), suggesting that the coconut juice-like fragrancein Ambemohor is controlled by a single dominant gene, designated ‘( Aro( ’. Bulked segregant analysis suggested that the gene controllingfragrance in Ambemohor is located on sorghum chromosome 6. Quantitative trait locus (QTL) analysis identified a major QTL, ( qAro6.1, for the fragrance located on chromosome 6 between markers SB3567 and SB3570. Bioinformatics analysis revealed that SB3567 andSB3570 were 217.8 kb apart and there were 29 annotated genes in this region including BADH1 . Sequence analysis revealed that BADH1sequences in Ambemohor and KU630 differed in size, but their coding sequences (CDS) were of same size. CDS alignment revealed foursingle-nucleotide polymorphisms (SNP$_{s}$) between Ambemohor and KU630 in which two SNP$_{s}$ caused amino change in BADH1 of Ambemohor. These results suggested that BADH1 is a candidate gene for the coconut juice-like fragrance in Ambemohor.
机译：香气是一种重要的特征，可以提高几种作物中的产品价值。由于2-乙酰基-1-吡咯啉（2ap）的累积产生的熊猫的香料是食物作物中宜人的香气之一，这是由醛醛脱氢酶2（BADH2）基因的零或畸形突变引起的。此外，甜菜碱醛戊二醇酶1（BADH1）显示出与水稻的香气相关。在这项研究中，我们调查了在高粱品种“Ambemohor”的花序中控制了控制椰子汁的香味的遗传。 2AP种子分析显示，AmbemOhor具有没有2AP。从杂交盎司倍$ times $ times $ ku630（非自由人）开发的$ _ {2} $批量分配成3（香料）：1（非自由的）的比例，表明椰子汁样植物植物含糊不清单一占优势基因，指定'（ARO（'甲状腺分析分析表明，AMMEMOHOR中的基因控制离防态位于高粱染色体6.定量性状基因座（QTL）分析确定了一个主要的QTL，（QARO6.1，用于位于的香料标记物SB3567和SB3570之间的染色体6.生物信息学分析显示，SB3567和SB3570分开217.8 kB，在该区域中存在29个注释基因，包括BADH1。序列分析表明，AMMEMOHOR和KU630中的BADH1序列尺寸不同，但它们的编码序列（CD）不同，但它们的编码序列（CD）不同尺寸相同。CDS对齐揭示了AMMEMOHOR和KU630之间的四塞核苷酸多态性（SNP $ _ {s} $），其中两个SNP $ _结果表明，BADH1是AMMEMOHOR中椰子汁的候选基因。

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