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Microbes play role in corn 'hybrid vigor'

Research at North Carolina State University reveals that soil microbes significantly impact heterosis, or hybrid vigor, in corn plants. In experiments with sterile bags and field tests, hybrid lines outperformed inbred lines due to microbial effects on root growth and biomass.

SourceNorth Carolina State University·JournalProceedings of the National Academy of Sciences·DateJul 21, 2021

USU mathematicians unravel a thread of string theory

Researchers from Utah State University, Thomas Hill and Andreas Malmendier, explore the duality between F-theory and heterotic string theory in eight dimensions. They discovered four unique ways to slice K3 surfaces as Jacobian elliptic fibrations, enabling investigation of underlying physical theories.

SourceUtah State University·JournalLetters in Mathematical Physics·DateAug 17, 2020

European and American maize: Same same, but different

Researchers have decoded the European maize genome, revealing significant differences in genetic content and genome structure compared to North American lines. These findings suggest that heterosis, a phenomenon increasing crop yields, may be influenced by variations in knob regions and gene regulation.

Corn: Many active genes - high yield

Researchers at the University of Bonn have decoded a possible mechanism for hybrid corn's high yield, finding that more genes are active in hybrid plants than in their homozygous parental lines. This increase in gene activity could lead to increased growth and vigor in hybrids.

SourceUniversity of Bonn·JournalGenome Research·DateDec 3, 2012