ArticleBMC plant biology2016
Tobacco TTG2 regulates vegetative growth and seed production via the predominant role of ARF8 in cooperation with ARF17 and ARF19.
Article in BMC plant biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 40 citations in OpenAlex.
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- Genome-wide identification and analysis of WD40 proteins reveal that NtTTG1 enhances drought tolerance in tobacco (Nicotiana tabacum).BMC genomics · 2024Article
- Genome-wide identification of the B3 transcription factor family in pepper (Capsicum annuum) and expression patterns during fruit ripening.Scientific reports · 2024Article
- Genome-wide association analysis for grain moisture content and dehydration rate on maize hybrids.Molecular breeding : new strategies in plant improvement · 2023Article
- Molecular Mechanisms of Diverse Auxin Responses during Plant Growth and Development.International journal of molecular sciences · 2022Review
- Identification and Characterization of Key Genes Responsible for Weedy and Cultivar Growth Types in Soybean.Frontiers in genetics · 2022Article
- Identification and characterization of auxin response factor (ARF) family members involved in fig (PeerJ · 2022Article
- Genome-wide analysis of the citrus B3 superfamily and their association with somatic embryogenesis.BMC genomics · 2020Article
- Into the Seed: Auxin Controls Seed Development and Grain Yield.International journal of molecular sciences · 2020Review
- Genetic Variation for Protein Content and Yield-Related Traits in a Durum Population Derived From an Inter-Specific Cross Between Hexaploid and Tetraploid Wheat Cultivars.Frontiers in plant science · 2019Article
- Hpa1 is a type III translocator in Xanthomonas oryzae pv. oryzae.BMC microbiology · 2018Article
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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
backgroundPlant TRANSPARENT TESTA GLABRA (TTG) proteins regulate various developmental activities via the auxin signaling pathway. Recently, we elucidated the developmental role of tobacco (Nicotiana tabacum L.) NtTTG2 in association with 12 genes that putatively encode AUXIN RESPONSIVE FACTOR (ARF) proteins, including NtARF8, NtARF17, and NtARF19. Here we show that NtTTG2 regulates tobacco growth and development by involving the NtARF8, NtARF17, and NtARF19 genes, with the NtARF8 gene playing a predominant contribution.
resultsIndependent silencing of the NtARF8 gene more strongly repressed tobacco growth than silencing the NtARF17 or NtARF19 gene and more effectively eradicated the growth enhancement effect of NtTTG2 overexpression. In contrast, plant growth was not affected by silencing additional nine NtTTG2-regulated NtARF genes. In double and triple gene silencing combinations, silencing the NtARF8 gene was more effective than silencing the NtARF17 or NtARF19 gene to repress growth as well as nullify growth enhancement. Therefore, the NtARF8 predominantly cooperated with the NtARF17 and NtAFR19 of the NtTTG2 functional pathway. NtARF8 also contributed to NtTTG2-regulated seed production as concurrent NtTTG2 and NtARF8 overexpression played a synergistic role in seed production quantity, whereas concurrent silencing of both genes caused more severe seed abortion than single gene silencing. In plant cells, the NtTTG2 protein facilitated the nuclear import of NtARF8 as well as increased its function as a transcription activator.
conclusionsNtARF8 is an integral component of the NtTTG2 functional pathway, which regulates tobacco growth and development.
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