ArticleMolecular & general genetics : MGG1995
Structure, organization and expression of the metallothionein gene family in Arabidopsis.
Article in Molecular & general genetics : MGG, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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47 citing papers in PubMed, 218 citations in OpenAlex.
- Metallothionein family genes in kiwifruit: characterization and determining their roles in plant's response to different stresses.Frontiers in plant science · 2024Article
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- Genome-wide analysis of the metallothionein gene family in cassava reveals its role in response to physiological stress through the regulation of reactive oxygen species.BMC plant biology · 2023Article
- Examination of the Metallothionein Gene Family in Greater DuckweedPlants (Basel, Switzerland) · 2022Article
- Genome-wide analysis of metallothionein gene family in maize to reveal its role in development and stress resistance to heavy metal.Biological research · 2022Article
- Genome-Wide Identification and Analysis of the Metallothionein Genes inInternational journal of molecular sciences · 2021Article
- Identification of the metallothionein gene family from cucumber and functional characterization of3 Biotech · 2019Article
- Analysis of BnMTL, a novel metallothionein-like protein in the bast fiber crop Ramie (Boehmeria nivea).FEBS open bio · 2019Article
- Article
- Characterization analysis and heavy metal-binding properties ofFEBS open bio · 2018Article
- Genome-Wide Characterization and Analysis of Metallothionein Family Genes That Function in Metal Stress Tolerance inInternational journal of molecular sciences · 2018Article
- Differential reactivity of closely related zinc(II)-binding metallothioneins from the plant Arabidopsis thaliana.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2018Article
- Characterization of a Type 1 Metallothionein Gene from the Stresses-Tolerant Plant Ziziphus jujuba.International journal of molecular sciences · 2015Article
- Expression response of duplicated metallothionein 3 gene to copper stress in Silene vulgaris ecotypes.Protoplasma · 2014Article
- Metallothionein 2 (SaMT2) from Sedum alfredii Hance confers increased Cd tolerance and accumulation in yeast and tobacco.PloS one · 2014Article
- Molecular cloning and characterisation of metallothionein type 2a gene from Jatropha curcas L., a promising biofuel plant.Molecular biology reports · 2014Article
- Article
- Expression pattern of a type-2 metallothionein gene in a wild population of the psammophyte Silene nicaeensis.Protoplasma · 2013Article
- ScMT2-1-3, a metallothionein gene of sugarcane, plays an important role in the regulation of heavy metal tolerance/accumulation.BioMed research international · 2013Article
- A novel metallothionein gene from a mangrove plant Kandelia candel.Ecotoxicology (London, England) · 2012Article
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2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Metallothioneins (MTs) are cysteine-rich proteins required for heavy metal tolerance in animals and fungi. Recent results indicate that plants also possess functional metallothionein genes. Here we report the cloning and characterization of five metallothionein genes from Arabidopsis thaliana. The position of the single intron in each gene is conserved. The proteins encoded by these genes can be divided into two groups (MT1 and MT2) based on the presence or absence of a central domain separating two cysteine-rich domains. Four of the MT genes (MT1a, MT1c, MT2a and MT2b) are transcribed in Arabidopsis. Several lines of evidence suggest that the fifth gene, MT1b, is inactive. There is differential regulation of the MT gene family. MT1 mRNA is expressed highly in roots, moderately in leaves and is barely detected in inflorescences and siliques. MT2a and MT2b mRNAs are more abundant in leaves, inflorescences and in roots from mature plants, but are also detected in roots of young plants, and in siliques. MT2a mRNA is strongly induced in seedlings by CuSO4, whereas MT2b mRNA is relatively abundant in this tissue and levels increase only slightly upon exposure to copper. MT1a and MT1c are located within 2 kb of each other and have been mapped to chromosome I. MT1b and MT2b map to separate loci on chromosome V, and MT2a is located on chromosome III. The locations of these MT genes are different from that of CAD1, a gene involved in cadmium tolerance in Arabidopsis.
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