ArticlePlant physiology2009
Microtubule-associated protein AtMPB2C plays a role in organization of cortical microtubules, stomata patterning, and tobamovirus infectivity.
Article in Plant physiology, 2009. 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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Who cites it
16 citing papers in PubMed, 36 citations in OpenAlex.
- Review
- Cellular Partners of Tobamoviral Movement Proteins.International journal of molecular sciences · 2025Review
- Papaya Leaf Curl Virus (PaLCuV) Infection on Papaya (Plants (Basel, Switzerland) · 2022Article
- The microtubule cytoskeleton acts as a sensor for stress response signaling in plants.Molecular biology reports · 2019Review
- A thioredoxin NbTRXh2 from Nicotiana benthamiana negatively regulates the movement of Bamboo mosaic virus.Molecular plant pathology · 2018Article
- Microtubule Regulation and Function during Virus Infection.Journal of virology · 2017Review
- Stomatal Defense a Decade Later.Plant physiology · 2017Review
- Plant virus infections control stomatal development.Scientific reports · 2016Article
- Multifunctional Microtubule-Associated Proteins in Plants.Frontiers in plant science · 2016Review
- Purification and characterization of novel microtubule-associated proteins from Arabidopsis cell suspension cultures.Plant physiology · 2013Article
- The cell biology of Tobacco mosaic virus replication and movement.Frontiers in plant science · 2013Article
- The chaperonin CCT8 facilitates spread of tobamovirus infection.Plant signaling & behavior · 2012Article
- Top 10 plant viruses in molecular plant pathology.Molecular plant pathology · 2011Review
- Cellular pathways for viral transport through plasmodesmata.Protoplasma · 2011Review
- A family of plasmodesmal proteins with receptor-like properties for plant viral movement proteins.PLoS pathogens · 2010Article
- Cucumber mosaic virus movement protein severs actin filaments to increase the plasmodesmal size exclusion limit in tobacco.The Plant cell · 2010Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
AtMPB2C is the Arabidopsis (Arabidopsis thaliana) homolog of MPB2C, a microtubule-associated host factor of tobacco mosaic virus movement protein that was been previously identified in Nicotiana tabacum. To analyze the endogenous function of AtMPB2C and its role in viral infections, transgenic Arabidopsis plant lines stably overexpressing green fluorescent protein (GFP)-AtMPB2C were established. The GFP-AtMPB2C fusion protein was detectable in various cell types and organs and localized at microtubules in a punctuate pattern or in filaments. To determine whether overexpression impacted on the cortical microtubular cytoskeleton, GFP-AtMPB2C-overexpressing plants were compared to known microtubular marker lines. In rapidly elongated cell types such as vein cells and root cells, GFP-AtMPB2C overexpression caused highly unordered assemblies of cortical microtubules, a disturbed, snake-like microtubular shape, and star-like crossing points of microtubules. Phenotypically, GFP-AtMPB2C transgenic plants showed retarded growth but were viable and fertile. Seedlings of GFP-AtMPB2C transgenic plants were characterized by clockwise twisted leaves, clustered stomata, and enhanced drought tolerance. GFP-AtMPB2C-overexpressing plants showed increased resistance against oilseed rape mosaic virus, a close relative of tobacco mosaic virus, but not against cucumber mosaic virus when compared to Arabidopsis wild-type plants. These results suggest that AtMPB2C is involved in the alignment of cortical microtubules, the patterning of stomata, and restricting tobamoviral infections.
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