ArticlePlant physiology2003
The ARG1-LIKE2 gene of Arabidopsis functions in a gravity signal transduction pathway that is genetically distinct from the PGM pathway.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 89 citations in OpenAlex.
- Short-Term High Light Stress Analysis Through Differential Methylation Identifies Root Architecture and Cell Size Responses.Plant, cell & environment · 2025Article
- Molecular mechanism of brassinosteroids involved in root gravity response based on transcriptome analysis.BMC plant biology · 2024Article
- Genomic consequences associated with Agrobacterium-mediated transformation of plants.The Plant journal : for cell and molecular biology · 2024Review
- Dynamic GOLVEN-ROOT GROWTH FACTOR 1 INSENSITIVE signaling in the root cap mediates root gravitropism.Plant physiology · 2023Article
- Transcriptome profiles of rice roots under simulated microgravity conditions and following gravistimulation.Frontiers in plant science · 2023Article
- Gravity sensing and responses in the coordination of the shoot gravitropic setpoint angle.The New phytologist · 2022Review
- Gravity Signaling in Flowering Plant Roots.Plants (Basel, Switzerland) · 2020Review
- ARG1 Functions in the Physiological Adaptation of Undifferentiated Plant Cells to Spaceflight.Astrobiology · 2017Article
- Review
- Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Isolation of New Gravitropic Mutants under Hypergravity Conditions.Frontiers in plant science · 2016Article
- Transcriptome assembly, profiling and differential gene expression analysis of the halophyte Suaeda fruticosa provides insights into salt tolerance.BMC genomics · 2015Article
- Strategies of seedlings to overcome their sessile nature: auxin in mobility control.Frontiers in plant science · 2015Review
- A Bird's-Eye View of Molecular Changes in Plant Gravitropism Using Omics Techniques.Frontiers in plant science · 2015Review
- A novel T-DNA integration in rice involving two interchromosomal translocations.Plant cell reports · 2014Article
- Multiple roles for membrane-associated protein trafficking and signaling in gravitropism.Frontiers in plant science · 2012Article
- Phytochromes inhibit hypocotyl negative gravitropism by regulating the development of endodermal amyloplasts through phytochrome-interacting factors.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Chromosomal translocations are a common phenomenon in Arabidopsis thaliana T-DNA insertion lines.The Plant journal : for cell and molecular biology · 2010Article
- Arabidopsis thaliana J-class heat shock proteins: cellular stress sensors.Functional & integrative genomics · 2009Review
- Joining forces: the interface of gravitropism and plastid protein import.Plant signaling & behavior · 2009Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The arl2 mutants of Arabidopsis display altered root and hypocotyl gravitropism, whereas their inflorescence stems are fully gravitropic. Interestingly, mutant roots respond like the wild type to phytohormones and an inhibitor of polar auxin transport. Also, their cap columella cells accumulate starch similarly to wild-type cells, and mutant hypocotyls display strong phototropic responses to lateral light stimulation. The ARL2 gene encodes a DnaJ-like protein similar to ARG1, another protein previously implicated in gravity signal transduction in Arabidopsis seedlings. ARL2 is expressed at low levels in all organs of seedlings and plants. arl2-1 arg1-2 double mutant roots display kinetics of gravitropism similar to those of single mutants. However, double mutants carrying both arl2-1 and pgm-1 (a mutation in the starch-biosynthetic gene PHOSPHOGLUCOMUTASE) at the homozygous state display a more pronounced root gravitropic defect than the single mutants. On the other hand, seedlings with a null mutation in ARL1, a paralog of ARG1 and ARL2, behave similarly to the wild type in gravitropism and other related assays. Taken together, the results suggest that ARG1 and ARL2 function in the same gravity signal transduction pathway in the hypocotyl and root of Arabidopsis seedlings, distinct from the pathway involving PGM.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.