Towards the identification of a gene for prostrate tillers in barley (Hordeum vulgare L.).
Towards the identification of a gene for prostrate tillers in barley (Hordeum vulgare L.).
复制标题
鉴定大麦平伏分蘖基因（Hordeum vulgare L.）
DOI：
10.1371/journal.pone.0192263
复制
发表时间：
2018
期刊：
影响因子：
3.7
通讯作者：
Zhang W
中科院分区：
文献类型：
--
作者：
Zhou Y;Zhou G;Broughton S;Westcott S;Zhang X;Xu Y;Xu L;Li C;Zhang W
分蘖角度是一个重要的农艺性状，对作物生产和植物构型育种具有重要意义。大麦V-V-HD在营养生长期间具有匍匐分蘖，在孕穗后具有直立分蘖，被认为是抑制杂草生长和在生长早期增加叶面积的理想类型。遗传分析表明，V-V-HD的匍匐性状受单基因控制。利用V-V-HD × Buloke的208个株系的双单倍体群体对匍匐生长基因进行了定位。利用96个SNP标记进行初步定位，随后利用SSR和InDel标记进行精细定位。该基因被精细定位到3 HL染色体上标记InDelz 3028和InDelz 3032之间的3.53 Mb区域，52个候选基因位于该区域。对目标区域内52个基因的基因注释分析表明，参与锌离子结合的基因（基因ID HORVU 3 Hr 1G 090910）很可能是V-V-HD俯卧生长的候选基因，并且与denso/sdw基因相关。关联分析表明，匍匐植株较矮，开花较晚。
Tiller angle, an important agronomic trait, contributes to crop production and plays a vital role in breeding for plant architecture. A barley line V-V-HD, which has prostrate tillers during vegetative growth and erect tillers after booting, is considered the ideal type for repressing weed growth and increasing leaf area during early growth. Genetic analysis identified that the prostrate trait in V-V-HD is controlled by a single gene. A double haploid population with 208 lines from V-V-HD × Buloke was used to map the prostrate growth gene. Ninety-six SNP markers were used for primary mapping, and subsequently, SSR and InDel markers were used for fine mapping. The gene was fine-mapped to a 3.53 Mb region on chromosome 3HL between the markers InDelz3028 and InDelz3032 with 52 candidate genes located in this region. Gene annotation analysis of the 52 genes within the target region indicated that a gene involved in zinc-ion binding (gene ID HORVU3Hr1G090910) is likely to be the candidate gene for prostrate growth in V-V-HD, and is linked to the denso/sdw gene. Association analysis showed that prostrate plants were shorter, flowered later.
登录
查看更多内容
影响因子：
5.4
作者：
Dabbert, Timothy;Okagaki, Ron J.;Muehlbauer, Gary J.
通讯作者：
Muehlbauer, Gary J.
影响因子：
2.7
作者：
Kuczyńska, Anetta;Mikołajczak, Krzysztof;Ćwiek, Hanna
通讯作者：
Ćwiek, Hanna
DOI：
10.1073/pnas.1121411109
发表时间：
2012-02-28
影响因子：
11.1
作者：
Nevo, Eviatar;Fu, Yong-Bi;Beiles, Avigdor
通讯作者：
Beiles, Avigdor
影响因子：
2.9
作者：
Okagaki, Ron J.;Cho, Seungho;Muehlbauer, Gary J.
通讯作者：
Muehlbauer, Gary J.
影响因子：
1.9
作者：
DONALD, CM
通讯作者：
DONALD, CM