ArticlePlant biotechnology journal2012
Overexpression of miR156 in switchgrass (Panicum virgatum L.) results in various morphological alterations and leads to improved biomass production.
Article in Plant biotechnology journal, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 128 papers.
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Who cites it
128 citing papers in PubMed.
- miR156-SPLs module regulates flowering and controls plant height by modulating gibberellin biosynthesis in citrus.Plant biotechnology journal · 2025Article
- The Role of MicroRNA-Based Strategies in Optimizing Plant Biomass Composition for Bio-Based Packaging Materials.Plants (Basel, Switzerland) · 2025Review
- Noncoding RNAs as tools for advancing translational biology in plants.The Plant cell · 2025Review
- miR156 Is a Negative Regulator of Aluminum Response inPlants (Basel, Switzerland) · 2025Article
- Blocking miR396 activity by overexpression MIM396 improved switchgrass tiller number and biomass yield.Biotechnology for biofuels and bioproducts · 2024Article
- Blocking miR528 function promotes tillering and regrowth in switchgrass.Plant biotechnology journal · 2024Article
- Genome-wide investigation ofAoB PLANTS · 2024Article
- Temporal regulation of vegetative phase change in plants.Developmental cell · 2024Review
- Genome-Wide Characterization and Analysis of theInternational journal of genomics · 2024Article
- Shoot Maturation Strengthens FLS2-Mediated Resistance toMolecular plant-microbe interactions : MPMI · 2023Article
- Vegetative phase change causes age-dependent changes in phenotypic plasticity.The New phytologist · 2023Article
- Article
- Comparative Transcriptome Analysis Reveals the Effect of miR156a Overexpression on Mineral Nutrient Homeostasis inPlants (Basel, Switzerland) · 2023Article
- Transgene Bioconfinement: Don't Flow There.Plants (Basel, Switzerland) · 2023Review
- Reproductive competence is regulated independently of vegetative phase change in Arabidopsis thaliana.Current biology : CB · 2023Article
- Overexpression of soybean microRNA156b enhanced tolerance to phosphorus deficiency and seed yield in Arabidopsis.Scientific reports · 2023Article
- Article
- Identification of Low-Nitrogen-Related miRNAs and Their Target Genes in Sugarcane and the Role ofInternational journal of molecular sciences · 2022Article
- STRONG STAYGREEN inhibits DNA binding of PvNAP transcription factors during leaf senescence in switchgrass.Plant physiology · 2022Article
- Transcriptome Dynamics Underlying Magnesium Deficiency Stress in Three FoundingInternational journal of molecular sciences · 2022Article
68 more citing papers are in PubMed but not listed here.
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Authors and funding
11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Switchgrass (Panicum virgatum L.) has been developed into a dedicated herbaceous bioenergy crop. Biomass yield is a major target trait for genetic improvement of switchgrass. microRNAs have emerged as a prominent class of gene regulatory factors that has the potential to improve complex traits such as biomass yield. A miR156b precursor was overexpressed in switchgrass. The effects of miR156 overexpression on SQUAMOSA PROMOTER BINDING PROTEIN LIKE (SPL) genes were revealed by microarray and quantitative RT-PCR analyses. Morphological alterations, biomass yield, saccharification efficiency and forage digestibility of the transgenic plants were characterized. miR156 controls apical dominance and floral transition in switchgrass by suppressing its target SPL genes. Relatively low levels of miR156 overexpression were sufficient to increase biomass yield while producing plants with normal flowering time. Moderate levels of miR156 led to improved biomass but the plants were non-flowering. These two groups of plants produced 58%-101% more biomass yield compared with the control. However, high miR156 levels resulted in severely stunted growth. The degree of morphological alterations of the transgenic switchgrass depends on miR156 level. Compared with floral transition, a lower miR156 level is required to disrupt apical dominance. The improvement in biomass yield was mainly because of the increase in tiller number. Targeted overexpression of miR156 also improved solubilized sugar yield and forage digestibility, and offered an effective approach for transgene containment.
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