Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize

Increasing grain yield is required to meet the rapidly expanding demands for food, feed, and fuel. Inflorescence meristems are central to plant growth and development. However, the question concerning whether inflorescence development can be regulated to improve grain yield remains unclear. Here, we...

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Main Authors: Pengshuai Yan, Weihua Li, Enxiang Zhou, Ye Xing, Bing Li, Jing Liu, Zhanhui Zhang, Dong Ding, Zhiyuan Fu, Huiling Xie, Jihua Tang
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/24/2/1182
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author Pengshuai Yan
Weihua Li
Enxiang Zhou
Ye Xing
Bing Li
Jing Liu
Zhanhui Zhang
Dong Ding
Zhiyuan Fu
Huiling Xie
Jihua Tang
author_facet Pengshuai Yan
Weihua Li
Enxiang Zhou
Ye Xing
Bing Li
Jing Liu
Zhanhui Zhang
Dong Ding
Zhiyuan Fu
Huiling Xie
Jihua Tang
author_sort Pengshuai Yan
collection DOAJ
description Increasing grain yield is required to meet the rapidly expanding demands for food, feed, and fuel. Inflorescence meristems are central to plant growth and development. However, the question concerning whether inflorescence development can be regulated to improve grain yield remains unclear. Here, we describe a naturally occurring single recessive mutation called <i>fea5</i> that can increase grain yield in maize. Using bulk segregant analysis sequencing (BSA-seq), the candidate region was initially mapped to a large region on chromosome 4 (4.68 Mb–11.26 Mb). Transcriptome sequencing (RNA-seq) revealed a total of 1246 differentially expressed genes (DEGs), of which 835 were up-regulated and 411 were down-regulated. Further analysis revealed the enrichment of DEGs in phytohormone signal transduction. Consistently, phytohormone profiling indicated that auxin (IAA), jasmonic acid (JA), ethylene (ETH), and cytokinin (CK) levels increased significantly, whereas the gibberellin (GA) level decreased significantly in <i>fea5</i>. By integrating BSA-seq with RNA-seq, we identified <i>Zm00001d048841</i> as the most likely candidate gene. Our results provide valuable insight into this new germplasm resource and the molecular mechanism underlying fasciated ears that produce a higher kernel row number in maize.
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spelling doaj.art-4f856937870749c0bdf1e2a7d96578fd2023-11-30T22:36:36ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-01-01242118210.3390/ijms24021182Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in MaizePengshuai Yan0Weihua Li1Enxiang Zhou2Ye Xing3Bing Li4Jing Liu5Zhanhui Zhang6Dong Ding7Zhiyuan Fu8Huiling Xie9Jihua Tang10National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaNational Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, ChinaIncreasing grain yield is required to meet the rapidly expanding demands for food, feed, and fuel. Inflorescence meristems are central to plant growth and development. However, the question concerning whether inflorescence development can be regulated to improve grain yield remains unclear. Here, we describe a naturally occurring single recessive mutation called <i>fea5</i> that can increase grain yield in maize. Using bulk segregant analysis sequencing (BSA-seq), the candidate region was initially mapped to a large region on chromosome 4 (4.68 Mb–11.26 Mb). Transcriptome sequencing (RNA-seq) revealed a total of 1246 differentially expressed genes (DEGs), of which 835 were up-regulated and 411 were down-regulated. Further analysis revealed the enrichment of DEGs in phytohormone signal transduction. Consistently, phytohormone profiling indicated that auxin (IAA), jasmonic acid (JA), ethylene (ETH), and cytokinin (CK) levels increased significantly, whereas the gibberellin (GA) level decreased significantly in <i>fea5</i>. By integrating BSA-seq with RNA-seq, we identified <i>Zm00001d048841</i> as the most likely candidate gene. Our results provide valuable insight into this new germplasm resource and the molecular mechanism underlying fasciated ears that produce a higher kernel row number in maize.https://www.mdpi.com/1422-0067/24/2/1182maizefasciated earphytohormoneBSA-seqRNA-seq
spellingShingle Pengshuai Yan
Weihua Li
Enxiang Zhou
Ye Xing
Bing Li
Jing Liu
Zhanhui Zhang
Dong Ding
Zhiyuan Fu
Huiling Xie
Jihua Tang
Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
International Journal of Molecular Sciences
maize
fasciated ear
phytohormone
BSA-seq
RNA-seq
title Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
title_full Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
title_fullStr Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
title_full_unstemmed Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
title_short Integrating BSA-Seq with RNA-Seq Reveals a Novel Fasciated Ear5 Mutant in Maize
title_sort integrating bsa seq with rna seq reveals a novel fasciated ear5 mutant in maize
topic maize
fasciated ear
phytohormone
BSA-seq
RNA-seq
url https://www.mdpi.com/1422-0067/24/2/1182
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