Mapping of QTL and identification of candidate genes conferring spontaneous haploid genome doubling in maize (Zea mays L.)

被引：19

作者：

Ren, Jiaojiao ^{[1
]}

Boerman, Nicholas A. ^{[2
]}

Liu, Ruixiang ^{[3
]}

Wu, Penghao ^{[1
]}

Trampe, Benjamin ^{[2
]}

Vanous, Kimberly ^{[2
]}

Frei, Ursula K. ^{[2
]}

Chen, Shaojiang ^{[4
]}

Lubberstedt, Thomas ^{[2
]}

机构：

[1] Xinjiang Agr Univ, Coll Agron, Urumqi 830052, Peoples R China

[2] Iowa State Univ, Dept Agron, Ames, IA 50011 USA

[3] Jiangsu Prov Acad Agr Sci, Inst Food Crops, Nanjing 210014, Peoples R China

[4] China Agr Univ, Natl Maize Improvement Ctr, Beijing 100193, Peoples R China

来源：

PLANT SCIENCE | 2020年 / 293卷

基金：

美国食品与农业研究所; 中国国家自然科学基金;

关键词：

Maize; Doubled haploid (DH); Spontaneous haploid genome doubling (SHGD); RNA-scq; QUANTITATIVE TRAIT LOCI; SEGREGATION DISTORTION; INDUCTION; FERTILITY; PHOSPHOLIPASE; SELECTION; KERNELS; MITOSIS; MARKER; PLANTS;

D O I：

10.1016/j.plantsci.2019.110337

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In vivo doubled haploid (DH) technology is widely used in commercial maize (Zea mays L.) breeding. Haploid genome doubling is a critical step in DH breeding. In this study, inbred lines GF1 (0.65), GF3(0.29), and GF5 (0) with high, moderate, and poor spontaneous haploid genome doubling (SHGD), respectively, were selected to develop mapping populations for SHGD. Three QTL, qshgd1, qshgd2, and qshgd3, related to SHGD were identified by selective genotyping. With the exception of qshgd3, the source of haploid genome doubling alleles were derived from GF1. Furthermore, RNA-Seq was conducted to identify putative candidate genes between GF1 and GF5 within the qshgdl region. A differentially expressed formin-like protein 5 transcript was identified within the qshgd1 region.

引用

页数：8

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