Genome-Wide Characterization of the Aldehyde Dehydrogenase Gene Superfamily in Maize and Its Potential Role in Anther Development

IF 2.3 Q1 AGRICULTURE, MULTIDISCIPLINARY ACS agricultural science & technology Pub Date : 2024-01-04 DOI:10.1021/acsagscitech.3c00430

Shaowei Zhang, Bin Ma, Lun Yi and Xueli An*,

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Abstract

Maize (Zea mays L.) is an important grain crop worldwide and is also a crucial plant for basic research on biological agriculture. Aldehyde dehydrogenase (ALDH) oxidizes endogenous or exogenous aldehydes into carboxylic acids to reduce the toxicity of aldehydes and respond to stress. Here, a total of 35 members of the ALDH gene were reidentified and renamed in the maize genome. These genes were distributed on 10 chromosomes with uneven distribution and divided into 9 ALDH families. The gene structure and protein domain were found to be mostly conserved in separate classes. The analysis of promoter cis-elements showed that ZmALDHs are involved in different biological processes of plant development. Further, the 15 ZmALDH genes with high expression levels in maize anthers were identified, implying their potential roles in male fertility. Our research provides potential value for discovering male sterility genes that can contribute to maize hybrid seed production.

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玉米中醛脱氢酶超家族基因的全基因组特征及其在花药发育中的潜在作用

玉米（Zea mays L.）是世界上重要的粮食作物，也是生物农业基础研究的重要植物。醛脱氢酶（ALDH）将内源或外源醛氧化成羧酸，以降低醛的毒性并应对胁迫。在此，我们对玉米基因组中的 35 个 ALDH 基因成员进行了重新鉴定和命名。这些基因分布在 10 条染色体上，且分布不均，分为 9 个 ALDH 家族。研究发现，不同家族的基因结构和蛋白结构域大多是保守的。启动子顺式元件分析表明，ZmALDHs 参与了植物发育的不同生物学过程。此外，还发现了15个在玉米花药中表达水平较高的ZmALDH基因，这意味着它们在雄性繁殖力中的潜在作用。我们的研究为发现有助于玉米杂交种子生产的雄性不育基因提供了潜在价值。

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ACS agricultural science & technology

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2.80

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0.00%

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