文献类型： 外文期刊
作者： Yu, Tao 1 ; Zhang, Jianguo 1 ; Cao, Jingsheng 1 ; Cao, Shiliang 1 ; Li, Wenyue 1 ; Yang, Gengbin 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Maize Res Inst, Harbin, Heilongjiang, Peoples R China
关键词： Coldinjury; Crops; Lowtemperature; Maize; Meta-analysis; QTL; Quantitativetrait; Tolerance; Zeamays
期刊名称：ELECTRONIC JOURNAL OF BIOTECHNOLOGY （ 影响因子：2.826； 五年影响因子：3.511 ）
ISSN： 0717-3458
年卷期： 2022 年 58 卷
页码：
收录情况： SCI
摘要： Background: Cold injury is one of the most important limiting factors for maize production in mid-high latitude regions in the world. A total of 314 QTLs for maize low temperature tolerance have been identified in different populations using different statistical methods. However, few identical QTLs have been identified in different research studies. Results: A consensus map of QTLs related to maize low temperature tolerance was constructed, based on the public genetic map, IBM2 2008 Neighbors as a reference map, along with a set of 314 QTLs reported in the literature over the past 20 years. A total of 187 QTLs were projected onto the IBM2 2008 Neighbors by software BioMercator. Forty-seven consensus QTLs were detected. The confidence interval at all sites ranged from 0.04 cM to 102.73 cM, and the proportion of the phenotypic variance associated with each of them ranged from 3.32% to 20.11%. Major chromosomal sites were identified on Chr.6 (MQTL29, MQTL30, and MQTL31). Conclusions: This study provides further insights into the genetic basis of maize low temperature tolerance. Moreover, the MQTLs reported here could be harnessed for functional marker development and candidate gene mining of maize low temperature tolerance. How to cite: Yu T, Zhang J, Cao J, et al. A meta-analysis of low temperature tolerance QTL in maize. Electron J Biotechnol 2022;58. https://doi.org/10.1016/j.ejbt.2022.05.002 ?? 2022 Pontificia Universidad Cat??lica de Valpara??so. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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