Study of Auxin Response Factor Genes in Maize
Author Information
Author(s): Xing Hongyan, Pudake Ramesh N, Guo Ganggang, Xing Guofang, Hu Zhaorong, Zhang Yirong, Sun Qixin, Ni Zhongfu
Primary Institution: China Agricultural University
Hypothesis
The maize ARF gene family has not been characterized in detail despite the release of the maize genome assembly.
Conclusion
The maize ARF gene family is expanded compared to Arabidopsis and rice, and their expression is regulated by auxin and small RNAs.
Supporting Evidence
- 31 maize ARF genes were identified in the maize genome.
- 14 of the identified genes have auxin-responsive elements in their promoter regions.
- Dynamic expression patterns of ZmARF genes were observed during embryo development.
Takeaway
This study found that maize has more auxin response factor genes than some other plants, and these genes help control how the plant grows and develops.
Methodology
The study involved identifying maize ARF genes through genomic analysis, confirming sequences via RT-PCR, and analyzing expression patterns in response to auxin treatment.
Limitations
The study does not explore the functional roles of all identified ARF genes in detail.
Digital Object Identifier (DOI)
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