ArticlePloS one2012
Zea mays Taxilin protein negatively regulates opaque-2 transcriptional activity by causing a change in its sub-cellular distribution.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 24 citations in OpenAlex.
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- Identification of the Karyopherin Superfamily in Maize and Its Functional Cues in Plant Development.International journal of molecular sciences · 2022Review
- Trihelix Transcription FactorInternational journal of molecular sciences · 2021Article
- Lysine crotonylation of DgTIL1 at K72 modulates cold tolerance by enhancing DgnsLTP stability in chrysanthemum.Plant biotechnology journal · 2021Article
- A SnRK1-The Plant cell · 2020Article
- MaizeThe Plant cell · 2019Article
- The ZmbZIP22 Transcription Factor Regulates 27-kD γ-Zein Gene Transcription during Maize Endosperm Development.The Plant cell · 2018Article
- Maize opaque mutants are no longer so opaque.Plant reproduction · 2018Review
- Uniparental and transgressive expression of α-zeins in maize endosperm of o2 hybrid lines.PloS one · 2018Article
- Maize ZmVPP5 is a truncated Vacuole H(+) -PPase that confers hypersensitivity to salt stress.Journal of integrative plant biology · 2016Article
- ZmMADS47 Regulates Zein Gene Transcription through Interaction with Opaque2.PLoS genetics · 2016Article
- Genome-wide characterization of cis-acting DNA targets reveals the transcriptional regulatory framework of opaque2 in maize.The Plant cell · 2015Article
- Functions of the CCCH type zinc finger protein OsGZF1 in regulation of the seed storage protein GluB-1 from rice.Plant molecular biology · 2014Article
- To fuse or not to fuse: what is your purpose?Protein science : a publication of the Protein Society · 2013Review
- Elucidating the evolutionary history and expression patterns of nucleoside phosphorylase paralogs (vegetative storage proteins) in Populus and the plant kingdom.BMC plant biology · 2013Article
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6 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Zea mays (maize) Opaque-2 (ZmO2) protein is an important bZIP transcription factor that regulates the expression of major storage proteins (22-kD zeins) and other important genes during maize seed development. ZmO2 is subject to functional regulation through protein-protein interactions. To unveil the potential regulatory network associated with ZmO2, a protein-protein interaction study was carried out using the truncated version of ZmO2 (O2-2) as bait in a yeast two-hybrid screen with a maize seed cDNA library. A protein with homology to Taxilin was found to have stable interaction with ZmO2 in yeast and was designated as ZmTaxilin. Sequence analysis indicated that ZmTaxilin has a long coiled-coil domain containing three conserved zipper motifs. Each of the three zipper motifs is individually able to interact with ZmO2 in yeast. A GST pull-down assay demonstrated the interaction between GST-fused ZmTaxilin and ZmO2 extracted from developing maize seeds. Using onion epidermal cells as in vivo assay system, we found that ZmTaxilin could change the sub-cellular distribution of ZmO2. We also demonstrated that this change significantly repressed the transcriptional activity of ZmO2 on the 22-kD zein promoter. Our study suggests that a Taxilin-mediated change in sub-cellular distribution of ZmO2 may have important functional consequences for ZmO2 activity.
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