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Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign


New insights into what helps Salmonella cause infections

Researchers have discovered how the TamAB system helps Salmonella survive under harsh conditions inside macrophages. The study found that TamAB creates favorable conditions for the Bam complex to work, but the exact mechanism is unclear. Understanding this process could help in developing treatments for Salmonella infections.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalJournal of Bacteriology·TypeExperimental study·DateJan 11, 2024

Nanoparticle transport across the blood brain barrier increases with Alzheimer’s and age, study finds

Researchers develop nanoparticles that selectively bind to activated astrocytes and microglia cells in the hippocampus of Alzheimer's patients, demonstrating increased nanoparticle transport across the blood brain barrier with age. The study provides valuable insights into advancing nanoparticle-based drug delivery for treating neurode...

Researchers improve seed nitrogen content by reducing plant chlorophyll levels

By reducing chlorophyll levels in leaves, researchers found a 17% increase in seed nitrogen concentration without impacting canopy carbon assimilation. The study's results provide an alternative approach to improve crop yield and nutritional quality for global food security.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalPlant Cell & Environment·TypeExperimental study·DateJan 3, 2024

Genetics of host plants determine what microorganisms they attract

Researchers found that plant genetic variation affects the core microbiome, a collection of microbes playing a crucial role in organizing associated microbes and helping host growth. The study highlights the importance of recruiting nitrogen-fixing bacteria for more sustainable bioenergy crops.

New model allows for learning and prediction of microbial interactions

Researchers developed a new framework to predict how microbes interact with each other in unique compositions. Most microbes had minimal impact on the final outcome, with only select few playing crucial roles. The model has potential applications in personalized medicine and understanding microbiome assembly.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateNov 30, 2023

Research suggests sentinel warning calls may be universally understood across continents

A recent study found that flocks of birds in North America, Europe, and Asia responded equally strongly to the alarm call of an unfamiliar dusky-throated antshrike. This suggests that sentinel calls may contain a universal signal that allows birds to recognize them across different species and continents.

Fish brains may provide insight into the molecular basis of decision-making

Researchers found that male sticklebacks have a unique molecular response when faced with conflicting demands, including genes related to dopamine and neurogenesis. The study provides insights into the underlying mechanisms of animal behavior, suggesting that complex decision-making processes are ancient and widespread among animals.

Fish IgM structure sheds light on antibody evolution, study finds

Researchers analyzed fish IgM to understand its structure and how it differs from human antibodies. They discovered a unique folding mechanism that allows the antibody to assemble without a joining chain, enabling it to bind antigens and interact with its environment.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Communications·TypeExperimental study·DateNov 27, 2023

Predicting the response of fungal genes using FUN-PROSE

The study used a machine learning approach called FUN-PROSE to predict how fungi react to different environmental conditions. The model was able to accurately predict the expression of genes in baker's yeast and two less studied fungi, with limitations noted for organisms with more complex gene regulation.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateNov 20, 2023

Mitochondrial protein plays key role in glioblastoma and therapeutic resistance

Researchers found that mitochondrial protein CHCHD2 is associated with increased tumor growth, invasion, and resistance to chemotherapy in glioblastoma patients. CHCHD2 interacts with mutated EGFR to increase sensitivity to cytotoxic drugs, highlighting its potential as a therapeutic target.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalInternational Journal of Oncology·TypeExperimental study·DateOct 17, 2023

Specific interneurons are important in aging-associated cognitive decline, study finds

Researchers identify somatostatin-positive interneurons as crucial in maintaining cognitive function, and their dysfunction leads to impaired memory and learning. The study uses a toxin to ablate these cells, resulting in mice exhibiting cognitive deficits similar to those seen in aging humans.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalMolecular Neurobiology·TypeExperimental study·DateSep 28, 2023

New insight into crosstalk between cancer cells and their environment

A new study by University of Illinois researchers has collected gene expression data in response to mechanical stiffness in tumors, providing insights into the crosstalk between cancer cells and their environment. The study found that colorectal cancer-associated fibroblasts can sense changes in stiffness and adapt, leading to dramatic...

New drug delivery method can reverse senescence of stem cells

A new drug delivery method utilizes polymer-stabilized crystals to deliver antioxidants to stem cells, minimizing variation in drug release and extending the duration of effectiveness. This technology can be applied to various cell cultures and potentially other hydrophilic drugs, disease models, and methods applications.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalAdvanced Functional Materials·TypeExperimental study·DateJun 27, 2023

RIPE researchers determine chloroplast size unlikely option for improving photosynthetic efficiency

Researchers at the Carl R. Woese Institute for Genomic Biology found that manipulating chloroplast size is unlikely to improve photosynthetic efficiency in crops. They created tobacco lines with enlarged and reduced chloroplasts, but field tests showed minimal effects on productivity.

Honey bee colony aggression linked to gene regulatory networks

A new study explores the genetic mechanisms underlying honey bee colony defense and aggression, revealing that gene regulation influences collective behavior and division of labor. Researchers found that brain gene regulatory networks differ between soldiers and foragers, particularly in more aggressive colonies.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Ecology & Evolution·TypeExperimental study·DateJun 1, 2023

Researchers track antimicrobial resistance in E. coli isolated from swine

Researchers tracked antimicrobial resistance in E. coli isolated from swine between 2013 and 2019, finding an increasing trend of resistance to ceftriaxone. The study highlights the need for surveillance systems to monitor microbes and develop mitigation strategies to address this growing concern.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalMicroorganisms·TypeData/statistical analysis·DateMay 12, 2023

RIPE researchers model ‘link’ between improved photosynthesis and increased yield

A team from the University of Illinois has modeled improving photosynthesis through enzyme modification and simulated soybean growth with realistic climate conditions. The study found that seasonal climate conditions impact the effectiveness of improving photosynthesis to increase soybean yield.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalField Crops Research·TypeComputational simulation/modeling·DateMay 2, 2023

Understanding the long-term impact of climate change on Indian crops

A new study reveals that Indian farmers have adapted to climate change by changing management practices and using hardier crop varieties. However, the impact of climate change on crop yields varies across crops and regions, with some areas experiencing greater benefits than others.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalAgricultural Economics·TypeData/statistical analysis·DateApr 24, 2023

Bacterial signaling across biofilm affected by surface structure

The study found that antibiotics slow down biofilm growth and QS molecule production across both strains, with surface type having a significant effect on the non-mucoid strain. The patterned structure was associated with longer latencies before expression of QS molecules were at their peak.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalACS Infectious Diseases·TypeExperimental study·DateApr 4, 2023

A cold-specialized icefish species underwent major genetic changes as it migrated to temperate waters, new study finds

A recent study on the pike icefish revealed significant genetic changes as it migrated from Antarctic to temperate waters. The researchers found divergent genes associated with the physiology that needed to change in response to the new environment, including mutations in the antifreeze glycoprotein gene.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalMolecular Biology and Evolution·TypeExperimental study·DateApr 4, 2023

Researchers discover new class of ribosomal peptide with hemolytic activity

Researchers at the University of Illinois have identified a novel class of ribosomal peptides called daptides, which exhibit hemolytic activity. This discovery opens up new avenues for therapeutic development and highlights the vast potential of undiscovered RiPP classes.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Communications·TypeExperimental study·DateApr 4, 2023

RIPE researchers put plant protein mechanism into bacteria to help move forward 50 years of effort

A team from Australian National University has modified the protein folding properties of bacteria by adding multiple components from plant chloroplasts. This enables them to study and speed up plant Rubisco, a slow protein that requires 'chaperones' for operation.

New role of small RNAs in Salmonella infections uncovered

Researchers discovered that small RNAs regulate Salmonella's virulence genes by stabilizing mRNA stability through the hilD 3' untranslated region. The study found that Spot 42 and SdsR sRNAs are crucial for controlling SPI-1 expression, leading to improved understanding of Salmonella's pathogenicity.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalJournal of Bacteriology·TypeExperimental study·DateJan 3, 2023

Researchers design educational course for Illinois practitioners to address lack of knowledge on tick-borne diseases

A recent study found that medical professionals in Illinois were relatively knowledgeable about diagnosis and treatment of Lyme disease, but lacked information on other tick-borne diseases. The researchers are now designing a continuing education course to educate practitioners on current ranges of ticks and risk of disease.

Researchers determine genetic variants offered protection during Black Death, associated with current autoimmune disorders

A study found that genetic variants near ERAP2 and TICAM2 provided protection against Yersinia pestis, the bacterium responsible for the Black Death. These variants were also associated with improved detection and resistance to other pathogens, but at a cost: increased risk of autoimmune disorders like Crohn's disease.

Researchers investigate neuron differentiation in fruit fly brains

The study reveals that non-coding regions near sloppy-paired genes are essential for temporal transcription factor expression and that Notch-signaling regulates the transition to subsequent TTFs. This mechanism couples temporal patterning with neuron generation, providing insights into brain diversity.

Developing alginate hydrogels that can support cell growth

Scientists at the University of Illinois Urbana-Champaign have created alginate hydrogels that can endure the growth of bacteria, allowing them to synthesize essential enzymes. The modified hydrogels provided a stable platform for bacterial colonies to form and grow, producing important compounds like nisin.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalBiosensors and Bioelectronics·TypeExperimental study·DateNov 17, 2022

Predicting mortality risks using smartphones

Researchers used smartphone sensors to measure walking activity in 100,000 UK Biobank participants and developed predictive models of mortality risk. The study showed that just 6 minutes per day of steady walking measured by the sensor can accurately predict mortality risk, similar to physical measures.

Researchers explore gene interactions in influenza to help improve accuracy of flu vaccines

Researchers found that reduced NA activity enables HA mutations to become more neutral, and that this process is crucial for predicting future flu strains. The study aims to improve flu vaccine accuracy by understanding the interactions between HA and NA genes.

Collaborative team at IGB discovers new natural products at unprecedented speed

A collaborative team at IGB discovered 30 new compounds, including three with antibacterial properties, using the Illinois Biological Foundry for Advanced Biomanufacturing. The platform allowed for rapid screening of hundreds of genes and pathways, enabling the researchers to identify potential anti-microbial compounds.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Communications·TypeExperimental study·DateOct 18, 2022

RIPE researchers show the cause of productivity loss in the fluctuating light of maize crop canopies

A team from the University of Illinois measured dynamic leakiness of CO2 from C4 plants, showing that activation of the C4 cycle is faster than the Calvin-Benson cycle during photosynthetic induction. This results in large efficiency losses due to lack of coordination in fluctuating light conditions.

Modeling antimicrobial use and resistance in Canadian turkey flocks

Researchers used E. coli as an indicator of antimicrobial resistance in Canadian turkey flocks. They found that antimicrobial use in feed and injection into eggs were main drivers of resistance. The study suggests that disease treatment also contributes to the development of resistance.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalFrontiers in Microbiology·TypeComputational simulation/modeling·DateSep 14, 2022

New therapeutic target identified for triple-negative breast cancer

A new study suggests that the nuclear receptor TLX can inhibit the growth and progression of triple-negative breast cancer. TLX+ cells showed lower tumor growth, migration, and invasion rates compared to those without TLX expression.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalBiochimica et Biophysica Acta (BBA) - Molecular Basis of Disease·TypeExperimental study·DateAug 29, 2022

RIPE researchers report faster screening of photoprotection in crops

The study developed a high-throughput method for screening non-photochemical quenching rates in field-grown plants using pulse amplitude modulated chlorophyll fluorescence analysis. This approach enables testing hundreds of genotypes within a day, paving the way for genome-wide association studies.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalJournal of Visualized Experiments·TypeExperimental study·DateAug 29, 2022

RIPE researchers prove bioengineering better photosynthesis increases yields in food crops for the first time ever

Researchers have successfully increased soybean plant efficiency, resulting in greater yields without losing quality. The study aims to improve global food production by improving photosynthetic efficiency in food crops for smallholder farmers.

Researchers show potential for improved water-use efficiency in field-grown plants

A team of researchers has discovered a way to improve the water-use efficiency of field-grown plants by overexpressing a sugar-sensing enzyme in their leaves. This breakthrough could lead to increased crop yields and reduced reliance on irrigation, making it an attractive solution for farmers struggling with water scarcity.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalJournal of Experimental Botany·TypeExperimental study·DateAug 8, 2022

Understanding cooperation and conflict in plant symbionts

Researchers examine the genomic variations of 191 microbial strains paired with their host plants to understand cooperation and conflict. They found that 80% of symbiont genes align with the host's interest, often paying for them to be beneficial despite competing interests.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateAug 3, 2022