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Genomewide analysis of LATERAL ORGAN BOUNDARIES Domain gene family in Zea mays

Journal of Genetics volume 93, pages 79–91 (2014)Cite this article

Abstract

The investigation of transcription factor (TF) families is a major focus of postgenomic research. The plant-specific ASYMMETRIC LEAVES2-LIKE (ASL) / LATERAL ORGAN BOUNDARIES Domain (LBD) proteins constitute a major zinc-finger-like-domain transcription factor family, and regulate diverse biological processes in plants. However, little is known about LBD genes in maize (Zea mays). In this study, a total of 44 LBD genes were identified in maize genome and were phylogenetically clustered into two groups (I and II), together with LBDs from Arabidopsis. The predicted maize LBDs were distributed across all the 10 chromosomes with different densities. In addition, the gene structures of maize LBDs were analysed. The expression profiles of the maize LBD genes under normal growth conditions were analysed by microarray data and qRT-PCR. The results indicated that LBDs might be involved in various aspects of physiological and developmental processes in maize. To our knowledge, this is the first report of a genomewide analysis of the maize LBD gene family, which would provide valuable information for understanding the classification and putative functions of the gene family.

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Acknowledgements

This work was supported by the National Natural Science Foundation (grant no. 31070240) in China.

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Affiliations

  1. State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, Shandong, 271018, People’s Republic of China

    YUE-MIN ZHANG, SHI-ZHONG ZHANG & CHENG-CHAO ZHENG

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  1. YUE-MIN ZHANG
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  2. SHI-ZHONG ZHANG
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  3. CHENG-CHAO ZHENG
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Corresponding author

Correspondence to CHENG-CHAO ZHENG.

Additional information

[Zhang Y.-M., Zhang S.-Z. and Zheng C.-Z. 2014 Genomewide analysis of LATERAL ORGAN BOUNDARIES Domain gene family in Zea mays. J. Genet. 93, xx–xx]

Yue-Min Zhang and Shi-Zhong Zhang contributed equally to this work.

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ZHANG, YM., ZHANG, SZ. & ZHENG, CC. Genomewide analysis of LATERAL ORGAN BOUNDARIES Domain gene family in Zea mays . J Genet 93, 79–91 (2014). https://doi.org/10.1007/s12041-014-0342-7

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  • DOI: https://doi.org/10.1007/s12041-014-0342-7

Keywords

  • genomewide analysis
  • LBD
  • LOB
  • gene family
  • Zea mays