The new reference sequence for rye provides access to previously unresolved regions of the genome, revealing details of centromeres and mobile DNA elements. This breakthrough enhances breeding for traits such as disease resistance and stress tolerance.
A deep learning model maps Arabidopsis gene regulation, identifying 14 broad clusters with shared biological functions. The model predicts transcription factor binding patterns, providing a molecular mechanism for plant traits like flowering time and disease resistance.
Researchers develop method to remove CENH3 protein from egg cells, producing paternal haploids and accelerating breeding process. The technique enables efficient production of non-transgenic haploids, reducing breeding time from years to a single season.
A research team has made a breakthrough in breeding winter-hardy faba beans, an ancient crop high in protein and nitrogen-fixing ability. The team identified a single gene that distinguishes between winter and summer varieties, offering a sustainable alternative to soy in Europe and accelerating the breeding of robust winter field beans.
Researchers have deciphered the signalling chain that stimulates plant root growth in response to nitrate. A key gene called MEKK14 determines the strength of this process, with more active variants leading to improved growth.
Researchers have developed a new method to study female meiosis in Arabidopsis, allowing for the identification of meiocytes and comparison with male germ cells. The FeM-ID approach uses biotin labeling to visualize female meiotic cells, revealing significantly fewer recombination events than in males.
Researchers discovered a key bacterium, Sphingopyxis, that promotes lateral root formation and enhances nitrogen uptake in rapeseed. The study identified genetic control points that influence the abundance of specific bacteria, accounting for up to 45% of variation in nitrogen uptake.
The IPK research team developed a prediction model using large datasets, genomic markers, and environmental information to forecast wheat yield in specific locations. The model achieved improvements of up to 23% in predicting new hybrid performance, similar to getting a tailored suit that fits the environment.
Researchers studied two plant species with different types of centromeres, finding that the holocentric chromosomes developed independently. The study reveals a complex interplay of gene mutations, epigenetic changes, and DNA expansion driving centromere evolution.
The IPK research team has developed a new statistical method to analyze gene interactions that contribute to heterosis, resulting in more robust and productive plants. The hQTL-ODS method quickly and accurately identifies relevant loci contributing to heterosis in wheat, potentially accelerating yield increases.
Research reveals that SUMOylation of key kinetochore protein αKNL2 is essential for its activity and chromosome segregation. Disrupted SUMOylation leads to growth and fertility defects.
Researchers investigated meiotic recombination in a large rye population under normal and nutrient-deficient conditions. The study found that plant genes mix significantly less when under stress, suggesting genetic diversity plays a key role in coping with environmental changes.
The study maps the entire genetic diversity of oats, including genes present in different species and tissues. The research found that certain genes have been lost but others take over their functions, suggesting a complex genetic landscape.
The study analyzed genetic material of 682 barley accessions and found that barley's genome is a mosaic composed of contributions from five wild barley populations. This suggests that barley does not come from a single origin, but rather has a complex history with multiple introductions of key haplotypes over time.
The IPK research team identified a critical genetic mutation that enables late flowering in barley under long-day conditions. This mutation, SNP22, is linked to the PPD-H1 allele and originated in wild barley in the southern Levant region.
The study reveals that Hordeum bulbosum has a distinct genome expansion mainly at the chromosome ends. The team also decoded the Ryd4 resistance locus's structure in barley, providing a promising crop-wild introgression for resisting barley yellow dwarf virus.
The IPK research team has discovered a new protein, SCEP3, which plays a crucial role in the synaptonemal complex during meiosis. The study found that SCEP3 is essential for genetic recombination and influences both the distribution and number of crossovers.
Research reveals that KNL2 degradation is critical for centromere integrity and mitotic fidelity. The study found that alpha-KNL2 in Arabidopsis thaliana is degraded during mitosis through ubiquitin-dependent proteolysis, highlighting the importance of tight protein regulation during cell division.
A new data approach using deep learning methods has been developed to improve plant prediction accuracy. The method combines data from four wheat breeding programmes and trial data, resulting in a training set of up to 9,500 genotypes. This allows for more accurate genomic predictions, breaking down data silos across companies.
Researchers developed dynamicGP, a computational approach that predicts trait dynamics across development in crops. The method outperforms state-of-the-art genomic prediction approaches for multiple traits, especially those with low heritability over time.
Researchers used CRISPR/Cas to generate controlled chromosomal inversions in Arabidopsis thaliana, finding no significant changes in epigenetic marks or gene expression. Only minor genome-wide effects were observed, indicating the robustness of the epigenome and transcriptome.
The study clarifies the mechanism of protein docking onto centromeres, essential for correct chromosome separation. DNA-binding regions adjacent to known motifs are necessary for interaction with centromeric DNA.
The study reveals that valuable diversity can arise after domestication, shedding light on crop evolution and breeding. The researchers detected 173 structurally complex loci with nearly identical tandem repeats and genes in the barley pangenome.
A research team led by IPK has identified five candidate genes moderating chromosome drive in rye B chromosomes. The DCR28 gene is found to regulate this process, and the B chromosome is shown to originate from fragments of all seven rye standard A chromosomes.
Researchers studied how rapeseed embryo reacts to mechanical forces, discovering it modulates cell proliferation and metabolism to adjust its shape and size. This adaptation affects the accumulation of storage oils and proteins, ultimately impacting seed maturation and germination.
Researchers have developed a new NMR platform using chemical exchange saturation transfer (CEST) MRI to visualize metabolite dynamics in living plants. This breakthrough enables noninvasive monitoring of sugar and amino acid distribution, improving crop improvement through breeding research.
Prof. Dr. Hannah Schneider, a young researcher at IPK, has been awarded an ERC Starting Grant for her project on anatomical roots traits relevant to stress tolerance and resource efficiency in crops. Her work aims to engineer crop roots to better forage soil and capture resources, benefiting global agriculture.
The study characterised a barley mutant with extra spikelets and fused glumes due to defective organ boundary establishment. The HvALOG1 gene plays a critical role in maintaining inflorescence architecture and regulating meristem activity.
Researchers have trained interpretable deep learning models on genomic information to identify correlations between genetic variants and crop traits. The AI technology accurately predicts gene activity and pinpoints specific sequence variations that explain observed differences in gene activity.
The researchers identified a cluster of two genes in barley for gramine biosynthesis, revealing that AMIS is an oxidase enzyme responsible for the formation of gramine. This discovery enables the production of biologically active alkaloids using only two genes, opening doors to practical applications.
A research team found that maize plant genetics significantly impact the composition of microbes around its roots. The study analyzed 129 varieties grown under different conditions, revealing specific bacteria and genes involved in stress responses.
A team of researchers from IPK has identified several proteins associated with the nuclear matrix in Arabidopsis thaliana, including novel players FRS7 and FRS12. The study found that AHL22 collaborates with FRS7 and FRS12 to regulate hypocotyl elongation, a critical process for plant growth and survival.
Researchers have identified genes regulating biomass allocation in response to canopy shade and plant size in wheat. This study provides new insights into the genetic determinants of investment strategies in crops under resource constraints.
IPK researchers discovered a universal pattern of internode elongation in barley, dividing the main axis into three subzones. The study identified genetic loci affecting internode length, including the flowering time gene PHOTOPERIOD1, and found that shorter proximal internodes are associated with higher floral organ survival.
A new type of ferric reductase, HYP1, has been discovered in plants to maintain root growth under low phosphorus conditions. The protein coordinates three hemes and can transport electrons across the plasma membrane to reduce iron availability.
Under acidic conditions, coumarins like sideretin help sustain Fe2+ reduction; at alkaline pH, fraxetin promotes Fe3+ mobilization. This fine regulation allows plants to adapt to different soil pH levels.
The PhenoSphere enables detailed analyses of performance-related trait expression and causal biological mechanisms in plant populations exposed to weather conditions. It simulates clouds, wind speed, and direction, and applies water and fertilization automatically, allowing for systems biology analyzes and hypothesis testing.
A study found that auxin signaling controls root hair elongation in response to nitrogen deficiency, enabling plants to explore soil resources more efficiently. This mechanism provides a new understanding of how plants adapt to low-nitrogen environments and offers potential breeding targets for improving crop nutrition.
Researchers found that behaviors nourishing individual plant fitness can be detrimental to the whole community in high-density stands. Simulated shade may improve breeding for high-yielding cultivars by understanding molecular and genetic components of interactions between wheat plants.
Researchers identify a unique centromere structure in Chionographis japonica with 7-11 evenly spaced units, similar to monocentric species but larger than others. This arrangement enables more stable and robust chromosomes during cell division.
Researchers developed a method to analyze element distribution and transport pathways in plant roots, allowing for the identification of cell type-specific elemental concentrations. The study revealed a steep concentration gradient between outer and inner cell layers in roots and identified a cell type-specific enrichment of manganese ...
Researchers have identified a key mechanism controlling barley's floral development, which can lead to improved grain yields. The study found that up to 50% of initiated floral primordia are aborted before anthesis, representing untapped yield potential.
A team of scientists identified a critical transcription factor, ANAC013, that plays a key role in the early response to hypoxia in plants. The discovery sheds light on the molecular mechanisms underlying plant adaptation to low oxygen conditions.
HvSWEET11b transports both sugar and cytokinin in developing barley grains, essential for grain growth and yield. The dual function of HvSWEET11b is crucial for plant adaptation to changing environments.
A recent study using TurboID identified 39 new meiotic proteins in Arabidopsis thaliana, including both known and novel candidates. The research provides valuable insights into the genetic variation and plant reproduction processes.
Researchers have discovered a previously unrecognized mechanism that controls grain number in barley, potentially increasing yield. Approximately 40% of initiated floral primordia set grains, representing untapped yield potential.
The study confirms the helical coiling of condensed metaphase chromosomes, a concept that has been debated for decades. Researchers used multiple experimental approaches to validate the existence of chromonema coiling in barley and propose a general mechanism for chromosome condensation.
Researchers elucidated the coca-derived tropane pathway, identifying a specific enzyme responsible for the carbomethoxy group, a key contributor to cocaine's euphoric properties. The study also reveals that tropane biosynthesis has independently evolved at least twice in flowering plants.
A research team led by the IPK Leibniz Institute has identified a new resistance mechanism for winter barley against two major viruses, BaYMV and BaMMV. By targeting the PDIL5-1 gene using Cas9 gene scissors, the researchers were able to establish novel resistances in barley varieties.
Researchers discovered a new genetic variation in old wheat varieties that enhances yield potential and resistance to yellow rust, potentially replacing current elite varieties. The findings also reveal possible new gene variants for resistance to yellow rust infestation, paving the way for more sustainable farming practices.