ArticlePlant biotechnology journal2018
From model to crop: functional characterization of SPL8 in M. truncatula led to genetic improvement of biomass yield and abiotic stress tolerance in alfalfa.
Article in Plant biotechnology journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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Who cites it
47 citing papers in PubMed, 112 citations in OpenAlex.
- Conditionally Significant eQTL and TWAS Analyses Identify MsRD26 as a Major Candidate Positive Regulator of Salt Tolerance in Medicago sativa L.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Stress-induced MAPK (SIMK)-dependent organization of microtubules in alfalfa.Molecular horticulture · 2026Article
- Overcoming breeding barriers with genome editing in autopolyploid crops.BMC plant biology · 2026Review
- Insights into lentil diversity, domestication, and the genetic basis of important agronomic traits through resequencing of 238 Lens accessions.The Plant journal : for cell and molecular biology · 2026Article
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- Article
- SQUAMOSA-Promoter Binding Protein Like 10/14 (OsSPL10/14) Regulate Salt Tolerance by Modulating Reactive Oxygen Species Homeostasis in Rice (Oryza Sativa L.).Rice (New York, N.Y.) · 2025Article
- Alfalfa Transcription Factor MsNAC2a Orchestrates the Homeostasis of Salt Stress Responses via Reactive Oxygen Species Accumulation and Hydrogen Sulphide Depletion.Plant biotechnology journal · 2025Article
- OsSPL10 negatively regulates seedling salt tolerance through OsJAZ-mediated jasmonate pathway in rice (Oryza sativa L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Development and Application of an In Vitro Pollen Viability Assay for Comparative Safety Assessment of Transgenic Alfalfa (Plants (Basel, Switzerland) · 2025Article
- Comprehensive analysis of genomic loci associated with glaucousness in wheat (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Advances in basic biology of alfalfa (Horticulture research · 2025Article
- Manipulation of WUSCHEL orthologue expression improves the forage yield and quality in Medicago.Plant biotechnology journal · 2025Article
- Functional Characterization ofPlants (Basel, Switzerland) · 2025Article
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- Understanding abiotic stress in alfalfa: physiological and molecular perspectives on salinity, drought, and heavy metal toxicity.Frontiers in plant science · 2025Review
- MsSPL12 is a positive regulator in alfalfa (Medicago sativa L.) salt tolerance.Plant cell reports · 2024Article
- Genome-wide identification, stress- and hormone-responsive expression characteristics, and regulatory pattern analysis of Scutellaria baicalensis SbSPLs.Plant molecular biology · 2024Article
- Mutating alfalfaFrontiers in plant science · 2024Article
- Genome-Wide Analysis ofInternational journal of molecular sciences · 2023Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biomass yield, salt tolerance and drought tolerance are important targets for alfalfa (Medicago sativa L.) improvement. Medicago truncatula has been developed into a model plant for alfalfa and other legumes. By screening a Tnt1 retrotransposon-tagged M. truncatula mutant population, we identified three mutants with enhanced branching. Branch development determines shoot architecture which affects important plant functions such as light acquisition, resource use and ultimately impacts biomass production. Molecular analyses revealed that the mutations were caused by Tnt1 insertions in the SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 8 (SPL8) gene. The M. truncatula spl8 mutants had increased biomass yield, while overexpression of SPL8 in M. truncatula suppressed branching and reduced biomass yield. Scanning electron microscopy (SEM) analysis showed that SPL8 inhibited branching by directly suppressing axillary bud formation. Based on the M. truncatula SPL8 sequence, alfalfa SPL8 (MsSPL8) was cloned and transgenic alfalfa plants were produced. MsSPL8 down-regulated or up-regulated alfalfa plants exhibited similar phenotypes to the M. truncatula mutants or overexpression lines, respectively. Specifically, the MsSPL8 down-regulated alfalfa plants showed up to 43% increase in biomass yield in the first harvest. The impact was even more prominent in the second harvest, with up to 86% increase in biomass production compared to the control. Furthermore, down-regulation of MsSPL8 led to enhanced salt and drought tolerance in transgenic alfalfa. Results from this research offer a valuable approach to simultaneously improve biomass production and abiotic stress tolerance in legumes.
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