ArticlePlant molecular biology1999
Characterization and expression of plasma and tonoplast membrane aquaporins in primed seed of Brassica napus during germination under stress conditions.
Article in Plant molecular biology, 1999. 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, 124 citations in OpenAlex.
- Screening and identification of salt-tolerance genes in Sophora alopecuroides and functional verification of SaAQP.Planta · 2021Article
- Versatile Roles of Aquaporins in Plant Growth and Development.International journal of molecular sciences · 2020Review
- New Insight on Water Status in GerminatingInternational journal of molecular sciences · 2019Article
- Investigation of theInternational journal of molecular sciences · 2019Article
- Plant and Mammal Aquaporins: Same but Different.International journal of molecular sciences · 2018Review
- Analysis of aquaporins in Brassicaceae species reveals high-level of conservation and dynamic role against biotic and abiotic stress in canola.Scientific reports · 2017Article
- Genome-wide expression profiling of aquaporin genes confer responses to abiotic and biotic stresses in Brassica rapa.BMC plant biology · 2017Article
- Tonoplast Aquaporins Facilitate Lateral Root Emergence.Plant physiology · 2016Article
- Different Modes of Hydrogen Peroxide Action During Seed Germination.Frontiers in plant science · 2016Review
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- Article
- Genome-wide identification and characterization of aquaporin genes (AQPs) in Chinese cabbage (Brassica rapa ssp. pekinensis).Molecular genetics and genomics : MGG · 2014Article
- Heterologous expression of the wheat aquaporin gene TaTIP2;2 compromises the abiotic stress tolerance of Arabidopsis thaliana.PloS one · 2013Article
- A genetic locus and gene expression patterns associated with the priming effect on lettuce seed germination at elevated temperatures.Plant molecular biology · 2010Article
- Genome-wide analysis of major intrinsic proteins in the tree plant Populus trichocarpa: characterization of XIP subfamily of aquaporins from evolutionary perspective.BMC plant biology · 2009Article
- Vascular function in grape berries across development and its relevance to apparent hydraulic isolation.Plant physiology · 2009Article
- Major intrinsic proteins (MIPs) in plants: a complex gene family with major impacts on plant phenotype.Functional & integrative genomics · 2007Review
- Brassinosteroid confers tolerance in Arabidopsis thaliana and Brassica napus to a range of abiotic stresses.Planta · 2007Article
- Wheat EST resources for functional genomics of abiotic stress.BMC genomics · 2006Article
- An expression analysis of a gene family encoding plasma membrane aquaporins in response to abiotic stresses in Arabidopsis thaliana.Plant molecular biology · 2004Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two aquaporin genes were isolated from a cDNA library of canola (Brassica napus L.). The first aquaporin, BnPIP1 of 1094 bp, encoding a putative polypeptide of 287 amino acids with a predicted molecular mass of 30.4 kDa and a pI of 7.8, belongs to the family of plasma membrane intrinsic protein (PIPs) aquaporins. The B. napus aquaporin showed 85-94% identity to the Arabidopsis thaliana PIPs. ABA priming of seed induced high levels of BnPIP1 transcript which remained after subsequent re-drying of the seed. The second aquaporin, Bny-TIP2 of 1020 bp, encoded a putative polypeptide of 253 amino acids with a predicted molecular mass of 25.8 kDa and a pI of 5.8. Bngamma-TIP2 showed 83-90% identity to gamma-TIP genes from a variety of plant species. Bngamma-TIP2 was expressed only when radicle protrusion occurred in either untreated or primed seeds. Seeds primed with PEG or ABA germinated earlier and showed a higher final percentage of germination than unprimed seed, particularly under salt and osmotic stresses at low temperature. Transcripts of both BnPIP1 and Bngamma-TIP2 genes were present earlier during germination of primed seeds than non-primed seed. From these results, we conclude that BnPIP1 is related to the water transportation required for enzymatic metabolism of storage nutrients at the early stages of canola seed germination whereas Bngamma-TIP2 expression is related to cell growth associated with radicle protrusion. Priming induced the expression of BnPIP1 but had no effect on Bngamma-TIP2.
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