ArticlePloS one2016
Overexpression of Grain Amaranth (Amaranthus hypochondriacus) AhERF or AhDOF Transcription Factors in Arabidopsis thaliana Increases Water Deficit- and Salt-Stress Tolerance, Respectively, via Contrasting Stress-Amelioration Mechanisms.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 53 citations in OpenAlex.
- Amaranth, the ancient pseudocereal: a promising crop for climate-resilient agriculture and healthy diets.Frontiers in plant science · 2026Review
- Analysis ofInternational journal of molecular sciences · 2025Article
- Exploring the hidden treasure in arid regions: pseudocereals as sustainable, climate-resilient crops for food security.Frontiers in plant science · 2025Review
- Genome-Wide Identification and Expression Analysis of the Cyclic Nucleotide-Gated Channel Gene Family inInternational journal of molecular sciences · 2024Article
- Identification of genetic and biochemical mechanisms associated with heat shock and heat stress adaptation in grain amaranths.Frontiers in plant science · 2023Article
- Genome-wide survey and expression analysis of Dof transcription factor family in sweetpotato shed light on their promising functions in stress tolerance.Frontiers in plant science · 2023Article
- Transcriptome analysis reveals molecular mechanisms underlying salt tolerance in halophyteFrontiers in plant science · 2022Article
- Drought stress tolerance mechanisms and their potential common indicators to salinity, insights from the wild watermelonFrontiers in plant science · 2022Review
- Low nitrogen availability inhibits the phosphorus starvation response in maize (Zea mays ssp. mays L.).BMC plant biology · 2021Article
- Genetics and breeding for climate change in Orphan crops.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- The Complex Story of Plant Cyclic Nucleotide-Gated Channels.International journal of molecular sciences · 2021Review
- Stress induced dynamic adjustment of conserved miR164:NAC module.Plant-environment interactions (Hoboken, N.J.) · 2020Article
- Agrobacterium rhizogenes-mediated transformation of grain (Amaranthus hypochondriacus) and leafy (A. hybridus) amaranths.Plant cell reports · 2020Article
- Functional Relevance of Citrulline in the Vegetative Tissues of Watermelon During Abiotic Stresses.Frontiers in plant science · 2020Article
- Heterologous Expression of Serine Hydroxymethyltransferase-3 From Rice Confers Tolerance to Salinity Stress inFrontiers in plant science · 2019Article
- Non-destructive Plant Morphometric and Color Analyses Using an Optoelectronic 3D Color Microscope.Frontiers in plant science · 2018Article
- Article
- Diversity in Grain Amaranths and Relatives Distinguished by Genotyping by Sequencing (GBS).Frontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two grain amaranth transcription factor (TF) genes were overexpressed in Arabidopsis plants. The first, coding for a group VII ethylene response factor TF (i.e., AhERF-VII) conferred tolerance to water-deficit stress (WS) in transgenic Arabidopsis without affecting vegetative or reproductive growth. A significantly lower water-loss rate in detached leaves coupled to a reduced stomatal opening in leaves of plants subjected to WS was associated with this trait. WS tolerance was also associated with an increased antioxidant enzyme activity and the accumulation of putative stress-related secondary metabolites. However, microarray and GO data did not indicate an obvious correlation between WS tolerance, stomatal closure, and abscisic acid (ABA)-related signaling. This scenario suggested that stomatal closure during WS in these plants involved ABA-independent mechanisms, possibly involving reactive oxygen species (ROS). WS tolerance may have also involved other protective processes, such as those employed for methyl glyoxal detoxification. The second, coding for a class A and cluster I DNA binding with one finger TF (i.e., AhDof-AI) provided salt-stress (SS) tolerance with no evident fitness penalties. The lack of an obvious development-related phenotype contrasted with microarray and GO data showing an enrichment of categories and genes related to developmental processes, particularly flowering. SS tolerance also correlated with increased superoxide dismutase activity but not with augmented stomatal closure. Additionally, microarray and GO data indicated that, contrary to AhERF-VII, SS tolerance conferred by AhDof-AI in Arabidopsis involved ABA-dependent and ABA-independent stress amelioration mechanisms.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.