Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/ijms22094944
Keywords
Brassica napus; NPF gene; transfer protein; gene expression; growth and development
Funding
- Key Research Plan Project of Shaanxi Province [2020ZDLNY04-01]
- Chinese Postdoctoral Science Foundation [2019M662539]
- Key Scientific Research Projects of Colleges and Universities in Henan Province [K20A180031]
- Postdoctoral Research Grant of Henan Province [201901004]
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The NPF genes play a crucial role in transporting various substrates in rapeseed, responding to changes in phytohormones and secondary metabolites. The expression patterns of NPF genes in Brassica napus show diversified changes during the development process, indicating their involvement in growth and development.
The NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER FAMILY (NPF) genes, initially characterized as nitrate or peptide transporters in plants, are involved in the transport of a large variety of substrates, including amino acids, nitrate, auxin (IAA), jasmonates (JAs), abscisic acid (ABA) and gibberellins (GAs) and glucosinolates. A total of 169 potential functional NPF genes were excavated in Brassica napus, and they showed diversified expression patterns in 90 different organs or tissues based on transcriptome profile data. The complex time-serial expression changes were found for most functional NPF genes in the development process of leaves, silique walls and seeds, which indicated that the expression of Brassica napus NPF (BnaNPF) genes may respond to altered phytohormone and secondary metabolite content through combining with promoter element enrichment analysis. Furthermore, many BnaNPF genes were detected to respond to vernalization with two different patterns, and 20 BnaNPF genes responded to nitrate deficiency. These results will provide useful information for further investigation of the biological function of BnaNPF genes for growth and development in rapeseed.
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