ArticlePlant physiology2002
Molecular characterization and evolution of the protein phosphatase 2A B' regulatory subunit family in plants.
Article in Plant physiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 42 citations in OpenAlex.
- Unveiling the crucial roles of abscisic acid in plant physiology: implications for enhancing stress tolerance and productivity.Frontiers in plant science · 2024Review
- HISTONE DEACETYLASE 9 transduces heat signal in plant cells.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Root Proteomic Analysis of Two Grapevine Rootstock Genotypes Showing Different Susceptibility to Salt Stress.International journal of molecular sciences · 2020Article
- Article
- PP2A Phosphatases Take a Giant Leap in the Post-Genomics Era.Current genomics · 2019Review
- Characterization ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2018Article
- Atypical Protein Phosphatase 2A Gene Families Do Not Expand via Paleopolyploidization.Plant physiology · 2017Article
- Direct and Indirect Targeting of PP2A by Conserved Bacterial Type-III Effector Proteins.PLoS pathogens · 2016Article
- PP2A-3 interacts with ACR4 and regulates formative cell division in the Arabidopsis root.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Evolutionary Analysis of the B56 Gene Family of PP2A Regulatory Subunits.International journal of molecular sciences · 2015Article
- Protein phosphatase 2A holoenzyme is targeted to peroxisomes by piggybacking and positively affects peroxisomal β-oxidation.Plant physiology · 2015Article
- Protein phosphatase 2A regulatory subunits affecting plant innate immunity, energy metabolism, and flowering time--joint functions among B'η subfamily members.Plant signaling & behavior · 2015Article
- A PP6-type phosphatase holoenzyme directly regulates PIN phosphorylation and auxin efflux in Arabidopsis.The Plant cell · 2012Article
- Protein phosphatase 2A B55 and A regulatory subunits interact with nitrate reductase and are essential for nitrate reductase activation.Plant physiology · 2011Article
- PP2A activates brassinosteroid-responsive gene expression and plant growth by dephosphorylating BZR1.Nature cell biology · 2011Article
- Article
- A wheat (Triticum aestivum) protein phosphatase 2A catalytic subunit gene provides enhanced drought tolerance in tobacco.Annals of botany · 2007Article
- Anaconda, a new class of transposon belonging to the Mu superfamily, has diversified by acquiring host genes during rice evolution.Molecular genetics and genomics : MGG · 2005Article
- Disparate roles for the regulatory A subunit isoforms in Arabidopsis protein phosphatase 2A.The Plant cell · 2004Article
- The ULTRACURVATA2 gene of Arabidopsis encodes an FK506-binding protein involved in auxin and brassinosteroid signaling.Plant physiology · 2004Article
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
Type 2A serine/threonine protein phosphatases (PP2A) are important components in the reversible protein phosphorylation events in plants and other organisms. PP2A proteins are oligomeric complexes constituted by a catalytic subunit and several regulatory subunits that modulate the activity of these phosphatases. The analysis of the complete genome of Arabidopsis allowed us to characterize four novel genes, AtB'epsilon, AtB'zeta, AtB'eta, and AtB'theta;, belonging to the PP2A B' regulatory subunit family. Because four genes of this type had been described previously, this family is composed of eight members. Reverse transcriptase-polymerase chain reaction experiments showed that AtB'epsilon mRNAs are present in all Arabidopsis tissues analyzed, and their levels do not respond significantly to heat stress. Expressed sequence tags corresponding to AtB'zeta, AtB'eta, and AtB'theta; have been identified, indicating that the new genes are actively transcribed. The genomic organization of this family of PP2A regulatory subunits is reported, as well as its chromosomal location. An extensive survey of the family has been carried out in plants, characterizing B' subunits in a number of different species, and performing a phylogenetic study that included several B' regulatory proteins from animals. Our results indicate that the animal and plant proteins have evolved independently, that there is a relationship between the number of B' isoforms and the complexity of the organism, and that there are at least three main subfamilies of regulatory subunits in plants, which we have named alpha, eta, and kappa.
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