Theoretical and Applied Genetics
@theorapplgenet.bsky.social
Theoretical & Applied Genetics communicates key
discoveries and news in plant genetics, genomics and plant breeding
https://link.springer.com/journal/122
discoveries and news in plant genetics, genomics and plant breeding
https://link.springer.com/journal/122
Endogenous antioxidant systems grains fluctuate dramatically among genotypes, creating breeding blind spots for nutritional enhancement. Phenotype-genotype association screens across wheat populations have uncovered genomic signatures linked to tocerpherol metabolism.
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Survey of tocopherol and the associated genetic loci in wheat grain
rdcu.be
November 21, 2025 at 7:24 AM
Endogenous antioxidant systems grains fluctuate dramatically among genotypes, creating breeding blind spots for nutritional enhancement. Phenotype-genotype association screens across wheat populations have uncovered genomic signatures linked to tocerpherol metabolism.
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Dwarfing is a key trait for improving crop architecture and production efficiency in watermelon. This study identifies ClaCSLH1 as a regulator of internode elongation, showing how its disruption alters cell wall composition and leads to a stable dwarf phenotype.
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The knockout of ClaCSLH1 induced dwarfing in watermelon
rdcu.be
November 21, 2025 at 1:00 AM
Dwarfing is a key trait for improving crop architecture and production efficiency in watermelon. This study identifies ClaCSLH1 as a regulator of internode elongation, showing how its disruption alters cell wall composition and leads to a stable dwarf phenotype.
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High-quality genome assemblies are key to unlocking genetic variation in crop varieties. This study presents the chromosome-level assembly of high-yield soybean variety Mengdou1137, revealing resistance genes and trait-associated variants for disease and lodging resistance.
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Chromosome-level genome assembly of a high-yield Chinese soybean variety Mengdou1137 unlocks genetic potential of disease and lodging resistance
rdcu.be
November 20, 2025 at 7:42 AM
High-quality genome assemblies are key to unlocking genetic variation in crop varieties. This study presents the chromosome-level assembly of high-yield soybean variety Mengdou1137, revealing resistance genes and trait-associated variants for disease and lodging resistance.
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Monosomic alien addition lines offer a powerful tool for exploring genome interactions in Brassica species. This study develops Brassica rapa–nigra MAALs, shedding light on B-genome contributions to trait expression and revealing insights into chromosome transmission.
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Development of Brassica rapa-nigra monosomic alien addition lines: cytology, genetics, and morphology
rdcu.be
November 20, 2025 at 1:00 AM
Monosomic alien addition lines offer a powerful tool for exploring genome interactions in Brassica species. This study develops Brassica rapa–nigra MAALs, shedding light on B-genome contributions to trait expression and revealing insights into chromosome transmission.
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Stripe rust remains a major challenge in wheat production. This study characterises adult-plant resistance in Yunnan hulled wheat, identifying and validating three QTLs with additive effects that provide strong potential for breeding resilient varieties.
Full article: rdcu.be/evKum
Full article: rdcu.be/evKum
November 19, 2025 at 7:31 AM
Stripe rust remains a major challenge in wheat production. This study characterises adult-plant resistance in Yunnan hulled wheat, identifying and validating three QTLs with additive effects that provide strong potential for breeding resilient varieties.
Full article: rdcu.be/evKum
Full article: rdcu.be/evKum
Seed coat colour in peanut is linked to nutritional value, but its genetic control is not fully understood. This study fine-maps a major locus for red testa and identifies an anthocyanin reductase gene as a strong candidate, offering insights into pigment accumulation.
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Genetic analysis and fine mapping reveal that AhRt3, which encodes an anthocyanin reductase, is responsible for red testa in cultivated peanuts
rdcu.be
November 19, 2025 at 1:00 AM
Seed coat colour in peanut is linked to nutritional value, but its genetic control is not fully understood. This study fine-maps a major locus for red testa and identifies an anthocyanin reductase gene as a strong candidate, offering insights into pigment accumulation.
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Protein and oil content are core traits for soybean breeding, yet their genetic regulation is complex. This study integrates QTL mapping, BSA-seq, RNA-seq, and mutation validation to identify candidate genes, supporting future improvement through marker-assisted selection.
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QTL mapping and multi-omics identify candidate genes for protein and oil in soybean
rdcu.be
November 18, 2025 at 7:48 AM
Protein and oil content are core traits for soybean breeding, yet their genetic regulation is complex. This study integrates QTL mapping, BSA-seq, RNA-seq, and mutation validation to identify candidate genes, supporting future improvement through marker-assisted selection.
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Trichome traits impact the appearance and quality of Chinese cabbage, yet their genetic control remains unclear. This study identifies a rare stop-gain mutation in BrGL2, shedding light on the molecular regulation of trichome development.
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A rare stop-gain SNP mutation in BrGL2 causes aborted trichome development in Chinese cabbage (Brassica rapa L. ssp. pekinensis)
rdcu.be
November 18, 2025 at 1:00 AM
Trichome traits impact the appearance and quality of Chinese cabbage, yet their genetic control remains unclear. This study identifies a rare stop-gain mutation in BrGL2, shedding light on the molecular regulation of trichome development.
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GxE interactions present a major challenge in hybrid breeding under tropical conditions. This study demonstrates that incorporating environmental features into genomic prediction models can improve the accuracy of hybrid performance predictions in biomass sorghum.
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Prediction of biomass sorghum hybrids using environmental feature-enriched genomic combining ability models in tropical environments
rdcu.be
November 17, 2025 at 7:17 AM
GxE interactions present a major challenge in hybrid breeding under tropical conditions. This study demonstrates that incorporating environmental features into genomic prediction models can improve the accuracy of hybrid performance predictions in biomass sorghum.
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Finger millet plays a key nutritional and agronomic role in East Africa, yet its genetic diversity remains underutilised. This study investigates the population structure of Ethiopian landraces and identifies genomic regions and haplotypes linked to key yield.
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Genetic structure of Ethiopian finger millet landraces and genome-wide association mapping for agronomic and nutritional traits
rdcu.be
November 17, 2025 at 1:00 AM
Finger millet plays a key nutritional and agronomic role in East Africa, yet its genetic diversity remains underutilised. This study investigates the population structure of Ethiopian landraces and identifies genomic regions and haplotypes linked to key yield.
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Climate change is shifting the timing of key developmental stages in grapevine. This study integrates genetic data into phenological models to predict how specific allele combinations may perform under future climate scenarios, supporting the development of resilient hybrids.
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Allele-based modeling to predict phenological stages of grapevine hybrids under future climatic conditions
rdcu.be
November 14, 2025 at 7:24 AM
Climate change is shifting the timing of key developmental stages in grapevine. This study integrates genetic data into phenological models to predict how specific allele combinations may perform under future climate scenarios, supporting the development of resilient hybrids.
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Historic germplasm collections hold valuable alleles for wheat improvement. This study uses genomic and phenotypic analysis of the Watkins collection to find loci linked to disease resistance and climate adaptation, offering new opportunities to diversify breeding gene pools.
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Enhancing the breeding gene pool of wheat using accessions in gene banks as demonstrated by the Watkins collection
rdcu.be
November 14, 2025 at 1:01 AM
Historic germplasm collections hold valuable alleles for wheat improvement. This study uses genomic and phenotypic analysis of the Watkins collection to find loci linked to disease resistance and climate adaptation, offering new opportunities to diversify breeding gene pools.
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Wild pigmented rice holds untapped potential for boosting nutrition and resilience in agriculture. This review explores how precision gene editing and neo-domestication strategies can transform wild rice into a high-value crop.
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Harnessing neo-domestication of wild pigmented rice for enhanced nutrition and sustainable agriculture
rdcu.be
November 13, 2025 at 7:42 AM
Wild pigmented rice holds untapped potential for boosting nutrition and resilience in agriculture. This review explores how precision gene editing and neo-domestication strategies can transform wild rice into a high-value crop.
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Improving yield in wheat relies on uncovering the genetic basis of complex traits. This study combines linkage and association analysis to identify key genomic regions and candidate genes, providing valuable targets for future breeding and gene discovery efforts.
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Joint linkage and association analysis identifies genomic regions and candidate genes for yield-related traits in wheat
rdcu.be
November 13, 2025 at 1:00 AM
Improving yield in wheat relies on uncovering the genetic basis of complex traits. This study combines linkage and association analysis to identify key genomic regions and candidate genes, providing valuable targets for future breeding and gene discovery efforts.
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Cloning genes in wheat has long been hindered by its large and complex genome. This review outlines recent advances in genomic tools and strategies that are transforming gene cloning in wheat and its relatives, enabling faster progress in trait discovery and crop improvement.
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Progress and innovations of gene cloning in wheat and its close relatives
rdcu.be
November 12, 2025 at 7:31 AM
Cloning genes in wheat has long been hindered by its large and complex genome. This review outlines recent advances in genomic tools and strategies that are transforming gene cloning in wheat and its relatives, enabling faster progress in trait discovery and crop improvement.
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Seed germination and dormancy are critical traits influencing yield stability and grain quality in maize. This study maps Zmccr3, a key gene regulating seed germination and constructs a broader regulatory network involved in dormancy-to-germination transition.
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Map-based cloning of Zmccr3 and its network construction and validation for regulating maize seed germination
rdcu.be
November 12, 2025 at 1:00 AM
Seed germination and dormancy are critical traits influencing yield stability and grain quality in maize. This study maps Zmccr3, a key gene regulating seed germination and constructs a broader regulatory network involved in dormancy-to-germination transition.
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Grain size and leaf angle are key contributors to yield and planting density in rice. This study uncovers how OsBSK2 and OsBSK3 influence these traits through a MAPK signalling cascade, offering new insight into the hormonal and developmental control of plant architecture.
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OsBSK3 and OsBSK2 regulate grain size and leaf angle via MAPK signaling pathway in rice
rdcu.be
November 11, 2025 at 7:48 AM
Grain size and leaf angle are key contributors to yield and planting density in rice. This study uncovers how OsBSK2 and OsBSK3 influence these traits through a MAPK signalling cascade, offering new insight into the hormonal and developmental control of plant architecture.
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Improving genomic prediction is critical for accelerating selection in breeding programs. This study introduces a deep learning model that combines Elastic Net feature selection with transformer-based embeddings, offering better accuracy and flexibility across datasets.
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EBMGP: a deep learning model for genomic prediction based on Elastic Net feature selection and bidirectional encoder representations from transformer's embedding and multi-head attention pooling
rdcu.be
November 11, 2025 at 1:00 AM
Improving genomic prediction is critical for accelerating selection in breeding programs. This study introduces a deep learning model that combines Elastic Net feature selection with transformer-based embeddings, offering better accuracy and flexibility across datasets.
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Spontaneous genome doubling is key to improving doubled haploid efficiency in maize, but remains underexplored in sweet corn. This study maps genetic variation for haploid male fertility, revealing candidate loci and highlighting untapped potential in sweet corn germplasm.
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Association mapping of haploid male fertility in sweet corn
rdcu.be
November 10, 2025 at 7:17 AM
Spontaneous genome doubling is key to improving doubled haploid efficiency in maize, but remains underexplored in sweet corn. This study maps genetic variation for haploid male fertility, revealing candidate loci and highlighting untapped potential in sweet corn germplasm.
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Hybrid sterility limits the full use of heterosis in rice breeding. This study uncovers two chromosomal structural variation loci associated with sterility in interspecific hybrids, revealing a new inheritance model and offering insights to improve hybrid compatibility.
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Chromosomal structural variation loci HSS1 and HSS6 lead to hybrid sterility in rice
rdcu.be
November 9, 2025 at 11:21 PM
Hybrid sterility limits the full use of heterosis in rice breeding. This study uncovers two chromosomal structural variation loci associated with sterility in interspecific hybrids, revealing a new inheritance model and offering insights to improve hybrid compatibility.
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Florigen genes are central to the floral transition in rice, but their full role remains underexplored. This study reveals a two-phase action of Hd3a and RFT1, showing how low and high florigen levels distinctly regulate developmental timing and floral induction.
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Temporal transcriptome analysis reveals the two-phase action of florigens in rice flowering
rdcu.be
November 7, 2025 at 7:00 AM
Florigen genes are central to the floral transition in rice, but their full role remains underexplored. This study reveals a two-phase action of Hd3a and RFT1, showing how low and high florigen levels distinctly regulate developmental timing and floral induction.
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Seed aging can reduce viability, especially in oil-rich crops like Brassica napus. This study identifies a GLK transcription factor linked to seed vigour after aging and explores its role in regulating fatty acid composition and membrane stability.
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A Golden2-like transcription factor regulates Brassica napus seed vigor after artificial aging
rdcu.be
November 7, 2025 at 1:00 AM
Seed aging can reduce viability, especially in oil-rich crops like Brassica napus. This study identifies a GLK transcription factor linked to seed vigour after aging and explores its role in regulating fatty acid composition and membrane stability.
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Using identity-by-descent mapping, this research identifies genomic regions and candidate genes under selection pressure during lettuce diversification. The analysis reveals how selective breeding has driven morphological differentiation across cultivated lettuce types.
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Mapping of identity by descent reveals genes shaping morphology and biological traits in the cultivated lettuce varieties during the long-term crossbreeding
rdcu.be
September 2, 2025 at 7:00 AM
Using identity-by-descent mapping, this research identifies genomic regions and candidate genes under selection pressure during lettuce diversification. The analysis reveals how selective breeding has driven morphological differentiation across cultivated lettuce types.
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Comparative genomic analysis of two safflower cultivars using chromosome-scale assemblies reveals genetic variation underlying key agronomic traits including fatty acid profiles, flowering phenology, and flavonoid metabolism.
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The chromosome-scale genomes of two cultivated safflowers (Carthamus tinctorius) provide insights into the genetic diversity resulting from domestication
rdcu.be
September 1, 2025 at 7:01 AM
Comparative genomic analysis of two safflower cultivars using chromosome-scale assemblies reveals genetic variation underlying key agronomic traits including fatty acid profiles, flowering phenology, and flavonoid metabolism.
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This research maps stable QTLs with pleiotropic effects on essential element accumulation in wheat grain. The identification of these multi-trait QTL offers molecular markers and breeding targets for developing wheat cultivars with enhanced nutritional profiles.
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Stable pleotropic loci controlling the accumulation of multiple nutritional elements in wheat
rdcu.be
August 31, 2025 at 7:00 AM
This research maps stable QTLs with pleiotropic effects on essential element accumulation in wheat grain. The identification of these multi-trait QTL offers molecular markers and breeding targets for developing wheat cultivars with enhanced nutritional profiles.
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