Related Experiment Video
Updated: Aug 5, 2025
07:34
Author Spotlight: Soybean Hairy Root Transformation for the Analysis of Gene Function
Published on: May 5, 2023
3.8K
Developmental dynamic transcriptome and systematic analysis reveal the major genes underlying isoflavone accumulation
Heng Chen1,2,3, Changkai Liu1,2, Yansheng Li1,2
1Key Laboratory of Soybean Molecular Design and Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin, China.
Frontiers in Plant Science
|March 24, 2023
Summary
This study characterized dynamic isoflavone variation in soybean seeds, identifying key genes and molecular networks. Findings advance understanding of isoflavone biosynthesis and breeding for high-content cultivars.
Area of Science:
- Plant biochemistry and molecular biology.
- Genomics and transcriptomics.
Background:
- Soy isoflavones are vital bioactive compounds in legumes.
- Previous research focused on static isoflavone regulation, neglecting dynamic variations in developing seeds.
Purpose of the Study:
- To characterize the dynamic variation and molecular regulation of isoflavone accumulation in developing soybean seeds.
- To identify novel genes and molecular modules involved in isoflavone biosynthesis.
Main Methods:
- Quantified six isoflavone components across developmental stages in eight soybean recombinant inbred lines (RILs).
- Integrated whole-genome expression profiles and meta-transcriptome data using multiple algorithms.
Main Results:
- Identified four molecular modules strongly correlated with isoflavone accumulation.
- Discovered 28 novel genes influencing isoflavone accumulation, independent of environmental factors.
- Elucidated dynamic molecular patterns regulating isoflavone synthesis in developing seeds.
Conclusions:
- Enhanced understanding of physiological and molecular regulation of isoflavone biosynthesis.
- Provides a foundation for breeding soybean cultivars with improved isoflavone content.
Keywords:
dynamic accumulation patternsdynamic regulation networksmeta-analysissoy isoflavonetranscriptomeMore Related Videos
Related Concept Videos
01:17Gene Regulation During Sporulation
45
Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
45
02:51mRNA Stability and Gene Expression
2.9K
2.9K
01:23Regulation of Expression at Multiple Steps
961
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
961
02:24Regulation of Expression Occurs at Multiple Steps
22.9K
Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
22.9K
01:27Constitutive and Regulated Gene Expression
61
Gene expression in prokaryotes is governed by constitutive and regulated systems, allowing cells to balance the production of essential proteins with adaptive responses to environmental changes.Constitutive Gene ExpressionConstitutive, or housekeeping, genes are continuously expressed as they encode proteins vital for fundamental cellular processes. These include enzymes for glycolysis, ribosomal components for protein synthesis, and proteins involved in DNA replication. Their constant...
61
02:24Ribosome Profiling
3.6K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
3.6K