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This study shows that optimizing soybean nodulation, rather than supernodulation, through editing improves N and C assimilation by balancing source–sink relationships. As a result, soybean yield and protein content are simultaneously increased in field conditions.
Engineering of a biosensor allows the authors to map the signaling activity of the phytohormones gibberellins (GAs) and to show that GAs orient cell division at the shoot apex to establish the organization in parallel cell files of plant stems.
Two studies report the use of paternal haploids to enable one-step transfer of cytoplasmic male sterility in maize and broccoli, which resolves a key technical bottleneck in hybrid crop breeding.
Climate change is exacerbating challenges both for global food production and from its environmental impacts. Sustainable and socially responsible solutions for future world-wide food security are urgently needed.
Previous genetic engineering of plant secondary cell walls targeted its core polymers to facilitate their extractability. The ectopic introduction of the polymer callose into poplar wood secondary cell walls modifies the ultrastructure of cellulose microfibril aggregates and suggests new avenues when considering biomass genetic engineering.