ArticleJournal of experimental botany2013
The Arabidopsis general transcription factor TFIIB1 (AtTFIIB1) is required for pollen tube growth and endosperm development.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 35 citations in OpenAlex.
- Overexpression of the general transcription factor OsTFIIB5 alters rice development and seed quality.Plant cell reports · 2025Article
- Transcriptome profiling of foxtail millet (Setaria italica) pollen and anther.BMC plant biology · 2024Article
- Histone deacetylase SlHDA7 impacts fruit ripening and shelf life in tomato.Horticulture research · 2024Article
- The general transcription factors (GTFs) of RNA polymerase II and their roles in plant development and stress responses.Critical reviews in biochemistry and molecular biology · 2024Review
- Gene Regulatory Network Controlling Flower Development in Spinach (International journal of molecular sciences · 2024Article
- Comparative stigmatic transcriptomics reveals self and cross pollination responses to heteromorphic incompatibility inFrontiers in genetics · 2024Article
- A critical role of a plant-specific TFIIB-related protein, BRP1, in salicylic acid-mediated immune response.Frontiers in plant science · 2024Article
- Topological data analysis reveals a core gene expression backbone that defines form and function across flowering plants.PLoS biology · 2023Article
- TFIIB-Related Protein BRP5/PTF2 Is Required for Both Male and Female Gametogenesis and for Grain Formation in Rice.International journal of molecular sciences · 2023Article
- Arabidopsis Novel Microgametophyte Defective Mutant 1 Is Required for Pollen ViabilityFrontiers in plant science · 2022Article
- LARP6C orchestrates posttranscriptional reprogramming of gene expression during hydration to promote pollen tube guidance.The Plant cell · 2021Article
- Expansion and Functional Diversification of TFIIB-Like Factors in Plants.International journal of molecular sciences · 2021Review
- Differentially evolved drought stress indices determine the genetic variation ofJournal of advanced research · 2020Article
- Article
- Arabidopsis TAF1 is an MRE11-interacting protein required for resistance to genotoxic stress and viability of the male gametophyte.The Plant journal : for cell and molecular biology · 2015Article
- Arabidopsis CBP1 Is a Novel Regulator of Transcription Initiation in Central Cell-Mediated Pollen Tube Guidance.The Plant cell · 2015Article
- The Arabidopsis transcription factor IIB-related protein BRP4 is involved in the regulation of mitotic cell-cycle progression during male gametogenesis.Journal of experimental botany · 2014Article
- BcRISP1, isolated from non-heading Chinese cabbage, decreases the seed set of transgenic Arabidopsis.Horticulture research · 2014Article
- MYB97, MYB101 and MYB120 function as male factors that control pollen tube-synergid interaction in Arabidopsis thaliana fertilization.PLoS genetics · 2013Article
- Cytochrome b5 reductase encoded by CBR1 is essential for a functional male gametophyte in Arabidopsis.The Plant cell · 2013Article
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6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pollen tube growth and endosperm development are important for fertilization and seed formation. The genetic mechanism of the processes remains poorly understood. This study reports the functional characterization of AtTFIIB1 in pollen tube growth and endosperm development. AtTFIIB1 shares 86% and 44% similarity with AtTFIIB2 and AtTFIIB3/AtpBRP2, respectively. It is expressed in many tissues including vegetative nuclei and generative cells of pollen grains and pollen tubes, endosperm, and embryos. It is thus different from AtTFIIB2, whose expression is not found in the endosperm and vegetative nucleus of mature pollen, and AtTFIIB3/AtpBRP2, which is expressed mostly in male gametophytes and weakly in seeds. Mutations in AtTFIIB1 caused a drastic retardation of pollen tube growth and endosperm development, as well as impaired pollen tube guidance and reception, leading to disruption of fertilization and seed development. Expression of AtTFIIB2 driven by the AtTFIIB1 promoter could restore the defective pollen tube growth, guidance, and reception completely, but only partially recovered the seed development in attfiib1, whilst expression of AtTFIIB3/AtpBRP2 driven by the AtTFIIB1 promoter could rescue only the defective attfiib1 seeds. All these results suggest that AtTFIIB1 plays important roles in pollen tube growth, guidance, and reception as well as endosperm development and is partially functionally different from AtTFIIB2 and AtTFIIB3/AtpBRP2.
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