ArticlePlant molecular biology1998
Gene expression induced by physical impedance in maize roots.
Article in Plant molecular biology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Transcriptomic Responses to Water Deficit and Nematode Infection in Mycorrhizal Tomato Roots.Frontiers in microbiology · 2019Article
- Monitoring of gene expression profiles and isolation of candidate genes involved in pollination and fertilization in rice ( Oryza sativa L.) with a 10K cDNA microarray.Plant molecular biology · 2004Article
- Hydrophobic protein synthesized in the pod endocarp adheres to the seed surface.Plant physiology · 1999Article
- Gibberellin-responsive genes: high level of transcript accumulation in leaf sheath meristematic tissue from Zea mays L.Plant molecular biology · 1999Article
- Identification of senescence-associated genes from daylily petals.Plant molecular biology · 1999Article
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Authors and funding
4 authors.
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Abstract
Two cDNA clones, pIIG1 and pIIG2, corresponding to mRNAs that accumulate in maize root tips subjected to 10 min of physical impedance, were isolated by differential screening of a cDNA library. The deduced proteins, based on DNA sequence analysis, have molecular masses of 13 and 23 kDa for pIIG1 and pIIG2, respectively. pIIG1 showed 97% similarity at the nucleic acid level to a maize root cortical cell delineating protein (pZRP3) and was also similar to some bimodular proteins that are developmentally or stress regulated in other plant species. In situ localization of pIIG1 showed some expression in cortical cells of control maize roots; however, after a 10 min physical impedance treatment, pIIG1 accumulation increased greatly in cortical cells and extended to include the procambial region. pIIG2 did not show sequence similarity with any identified gene of known function, but a bipartite nuclear targeting sequence occurs in its deduced amino acid sequence which indicates it may function in the nucleus. Thus, rapid accumulation of specific mRNAs occurs in maize roots in response to impedance stress, and these mRNAs may be responsible for some responses of the roots to physical impedance.
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Registered trials
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