ArticleThe Plant cell2007
The TORMOZ gene encodes a nucleolar protein required for regulated division planes and embryo development in Arabidopsis.
Article in The Plant cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 52 citations in OpenAlex.
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- The root-knot nematode effector Mi2G02 hijacks a host plant trihelix transcription factor to promote nematode parasitism.Plant communications · 2024Article
- TreeJ: an ImageJ plugin for interactive cell lineage reconstruction from static images.Plant methods · 2023Article
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- Telomerase Interaction Partners-Insight from Plants.International journal of molecular sciences · 2021Article
- The nucleolar protein SAHY1 is involved in pre-rRNA processing and normal plant growth.Plant physiology · 2021Article
- Ribosome assembly factor Adenylate Kinase 6 maintains cell proliferation and cell size homeostasis during root growth.The New phytologist · 2020Article
- Ribosome Biogenesis in Plants: From Functional 45S Ribosomal DNA Organization to Ribosome Assembly Factors.The Plant cell · 2019Review
- The plastidial pentose phosphate pathway is essential for postglobular embryo development inProceedings of the National Academy of Sciences of the United States of America · 2019Article
- REBELOTE, a regulator of floral determinacy inFEBS open bio · 2018Article
- Plant Nucleolar Stress Response, a New Face in the NAC-Dependent Cellular Stress Responses.Frontiers in plant science · 2017Review
- Two Nucleolar Proteins, GDP1 and OLI2, Function As Ribosome Biogenesis Factors and Are Preferentially Involved in Promotion of Leaf Cell Proliferation without Strongly Affecting Leaf Adaxial-Abaxial Patterning inFrontiers in plant science · 2017Article
- Spatiotemporal brassinosteroid signaling and antagonism with auxin pattern stem cell dynamics in Arabidopsis roots.Current biology : CB · 2015Article
- Populus tremula (European aspen) shows no evidence of sexual dimorphism.BMC plant biology · 2014Article
- Retention of OsNMD3 in the cytoplasm disturbs protein synthesis efficiency and affects plant development in rice.Journal of experimental botany · 2014Article
- Genome-wide analysis of the WD-repeat protein family in cucumber and Arabidopsis.Molecular genetics and genomics : MGG · 2014Article
- Bidirectional promoters in seed development and related hormone/stress responses.BMC plant biology · 2013Article
- Article
- Transcription profiling of fertilization and early seed development events in a solanaceous species using a 7.7 K cDNA microarray from Solanum chacoense ovules.BMC plant biology · 2010Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Embryogenesis in Arabidopsis thaliana is marked by a predictable sequence of oriented cell divisions, which precede cell fate determination. We show that mutation of the TORMOZ (TOZ) gene yields embryos with aberrant cell division planes and arrested embryos that appear not to have established normal patterning. The defects in toz mutants differ from previously described mutations that affect embryonic cell division patterns. Longitudinal division planes of the proembryo are frequently replaced by transverse divisions and less frequently by oblique divisions, while divisions of the suspensor cells, which divide only transversely, appear generally unaffected. Expression patterns of selected embryo patterning genes are altered in the mutant embryos, implying that the positional cues required for their proper expression are perturbed by the misoriented divisions. The TOZ gene encodes a nucleolar protein containing WD repeats. Putative TOZ orthologs exist in other eukaryotes including Saccharomyces cerevisiae, where the protein is predicted to function in 18S rRNA biogenesis. We find that disruption of the Sp TOZ gene results in cell division defects in Schizosaccharomyces pombe. Previous studies in yeast and animal cells have identified nucleolar proteins that regulate the exit from M phase and cytokinesis, including factors involved in pre-rRNA processing. Our study suggests that in plant cells, nucleolar functions might interact with the processes of regulated cell divisions and influence the selection of longitudinal division planes during embryogenesis.
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