Comprehensive Identification of Reliable Reference Genes for qRT-PCR Normalization of Fusarium oxysporum-Resistant Genes' Expressions in Lilium sargentiae Wilson
文献类型： 外文期刊
作者： Ma, Lulin 1 ; Li, Xiang 1 ; Duan, Qing 1 ; Jia, Wenjie 1 ; Du, Wenwen 1 ; Wang, Xiangning 1 ; Cui, Guangfen 1 ; Zhang, Yiping 1 ; Wang, Jihua 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Natl Engn Res Ctr Ornamental Hort, Key Lab Yunnan Flower Breeding, Flower Res Inst, Kunming 650205, Peoples R China
关键词： Lilium sargentiae Wilson; F; oxysporum inoculation; gene expression; stability
期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.7； 五年影响因子：2.9 ）
ISSN：
年卷期： 2023 年 13 卷 6 期
页码：
收录情况： SCI
摘要： Fusarium wilt (caused by Fusarium oxysporum f. sp. Lilii) is one of the most damaging diseases in lily (Lilium sargentiae Wilson). Although some F. oxysporum-resistant lily varieties have been identified and are being utilized in resistant breeding, the regulation network of the resistance-associated mechanisms is yet to be studied due to the lack of reliable reference genes for qRT-PCR (quantitative reverse transcription PCR) normalization. The reliability of results by qRT-PCR relies mainly on the stability of the reference genes. This study investigated the reliability of nine candidate reference genes (CYP, EF1-alpha, GAPDH, TUB, UBQ, AQP, HIS, PGK, and RPL13) for qRT-PCR analysis of F. oxysporum-resistant genes. Expression stability analysis via common programs GeNorm, BestKeeper, and NormFinder, at different time points post-inoculation of F. oxysporum, revealed that all nine genes met the basic requirements of reference genes. Amongst them, HIS and GAPDH displayed the highest and the lowest expression stability, respectively. The reliability of HIS was further validated by analyzing the expression levels of four resistance-related candidate genes. The expression patterns of the four target genes were consistent with their responses to pathogenetic fungi in other plants. Our results show that HIS is the most suitable reference gene for accurately normalizing F. oxysporum-resistant genes' expressions in L. sargentiae.
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