ArticlePlant physiology2012
A comparative study of ethylene growth response kinetics in eudicots and monocots reveals a role for gibberellin in growth inhibition and recovery.
Article in Plant physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 46 citations in OpenAlex.
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- Insight of PBZ mediated drought amelioration in crop plants.Frontiers in plant science · 2022Review
- Integrated mRNA and microRNA transcriptome analyses provide insights into paclobutrazol inhibition of lateral branching in herbaceous peony.3 Biotech · 2020Article
- Ethylene signaling in plants.The Journal of biological chemistry · 2020Review
- Electrochemical monitoring of ROS influence on seedlings and germination response to salinity stress of three species of the tribe Inuleae.RSC advances · 2019Article
- Regulation of Ethylene Biosynthesis by Phytohormones in Etiolated Rice (Molecules and cells · 2018Article
- Diverse Roles of Ethylene in Regulating Agronomic Traits in Rice.Frontiers in plant science · 2017Review
- Analysis of Network Topologies Underlying Ethylene Growth Response Kinetics.Frontiers in plant science · 2016Article
- Mechanistic Insights in Ethylene Perception and Signal Transduction.Plant physiology · 2015Review
- Gibberellin biosynthesis and signal transduction is essential for internode elongation in deepwater rice.Plant, cell & environment · 2014Article
- Molecular basis and evolutionary pattern of GA-GID1-DELLA regulatory module.Molecular genetics and genomics : MGG · 2014Review
- Loss of the ETR1 ethylene receptor reduces the inhibitory effect of far-red light and darkness on seed germination of Arabidopsis thaliana.Frontiers in plant science · 2014Article
- Two Rumex species from contrasting hydrological niches regulate flooding tolerance through distinct mechanisms.The Plant cell · 2013Article
- New clothes for the jasmonic acid receptor COI1: delayed abscission, meristem arrest and apical dominance.PloS one · 2013Article
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Time-lapse imaging of dark-grown Arabidopsis (Arabidopsis thaliana) hypocotyls has revealed new aspects about ethylene signaling. This study expands upon these results by examining ethylene growth response kinetics of seedlings of several plant species. Although the response kinetics varied between the eudicots studied, all had prolonged growth inhibition for as long as ethylene was present. In contrast, with continued application of ethylene, white millet (Panicum miliaceum) seedlings had a rapid and transient growth inhibition response, rice (Oryza sativa 'Nipponbare') seedlings had a slow onset of growth stimulation, and barley (Hordeum vulgare) had a transient growth inhibition response followed, after a delay, by a prolonged inhibition response. Growth stimulation in rice correlated with a decrease in the levels of rice ETHYLENE INSENSTIVE3-LIKE2 (OsEIL2) and an increase in rice F-BOX DOMAIN AND LRR CONTAINING PROTEIN7 transcripts. The gibberellin (GA) biosynthesis inhibitor paclobutrazol caused millet seedlings to have a prolonged growth inhibition response when ethylene was applied. A transient ethylene growth inhibition response has previously been reported for Arabidopsis ethylene insensitive3-1 (ein3-1) eil1-1 double mutants. Paclobutrazol caused these mutants to have a prolonged response to ethylene, whereas constitutive GA signaling in this background eliminated ethylene responses. Sensitivity to paclobutrazol inversely correlated with the levels of EIN3 in Arabidopsis. Wild-type Arabidopsis seedlings treated with paclobutrazol and mutants deficient in GA levels or signaling had a delayed growth recovery after ethylene removal. It is interesting to note that ethylene caused alterations in gene expression that are predicted to increase GA levels in the ein3-1 eil1-1 seedlings. These results indicate that ethylene affects GA levels leading to modulation of ethylene growth inhibition kinetics.
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