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Soybean accessions display a variable number of nodules when colonized by rhizobia. The authors identify one locus controlling this trait, a typical TIR–NBS–LRR disease resistance gene called NNL1, and the corresponding bacterial effector called NopP.
A study using soybean–common bean grafting systems reveals that mobile sRNAs are predominantly produced in shoots and accumulate in roots by long-distance transport, while mobile mRNAs are produced in both shoots and roots, with a small proportion moved.
Comparative genomics revealed similar distribution patterns of deleterious mutations in maize and sorghum but a post-domestication reduction of genetic load in sorghum, which is probably caused by sorghum’s high selfing rate and unique domestication history.
The size of thylakoid stacks in chloroplasts changes depending on the light conditions. Studying mutants defective in biochemical adaptations showed that these dynamics work synergistically with state transitions to regulate photosynthesis in variable light.
In rice, one endophyte (Sphingomonas melonis) colonizes seeds and produces anthranilic acid, which confers resistance to a bacterial pathogen (Burkholderiaplantarii) in the plant.
An engineered SpRY Cas9 variant enables efficient gene editing without PAM requirement in rice transgenic lines and Dahurian larch protoplasts, and its derived base editors can edit the rice genome efficiently in a PAM-less fashion too.
Projecting biomass carbon in forests is challenging due to the modelling of different-sized trees. This Article proposes a dynamic allometric scaling relationship that better fits scaling patterns for large trees and their biomass.
MALE-ASSOCIATED ARGONAUTE-1 and -2 promote heat-induced phasiRNA production, which represses heat-activated retrotransposons and protects male fertility. This activity is regulated by heat-mediated hypophosphorylation of the Argonaute proteins.