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A recent study suggests that the optimal temperature for symbiotic nitrogen fixation rates exceeds the plant’s preferred growth temperature in laboratory conditions. A few degrees of warming could thereby increase or decrease nitrogen fixation rates, depending on the optimal rate among species.
Growth defects associated with disruption of the mildew susceptibility gene MLO are rescued in bread wheat and Arabidopsis by transcriptional activation of a proximal monosaccharide transporter
Thousands of plants are known to be edible, yet we lack nutritional data for many of them. This study predicts the B-vitamin profiles for edible plants and finds many have the potential to help alleviate deficiencies and should be conservation priorities.
The difference in phloem pressure is the driving force that moves photosynthetic products and other solutes from the source to the sink. Measurements with emerging technologies reveal that sugar loading is not essential for maintaining phloem pressure and phloem bulk flow in the maize sugar-loading-defective mutant sut1.
The cryo-EM structure of the PSI–LHCI photosystem supercomplex from Physcomitrium patens shows that the red-shifted Lhca4 antenna is replaced by an Lhca2 paralogue. The structure demonstrates an adaptation of mosses to low light.
Loading of osmolytes into the phloem drives a pressure-flow transport mechanism. A maize sucrose transporter1 loss-of-function mutant has much reduced export of carbon from leaves, but increased potassium concentrations maintain phloem pressure.
Equatorial latitudes are often assumed to be regions of high biodiversity from which new species radiate. However, late Silurian–Early Devonian strata show that during their first major diversification, land plants were less diverse in the tropics.
Terrestrial biosphere models use a temperature function for N fixation in trees that may not be accurate. This Letter presents evidence that higher temperatures, caused by global warming, may increase N fixation.
The bound loci and functions of chromatin-associated RNAs remain unclear in rice. This study develops an RNA–DNA mapping method to reveal the identity and interaction patterns around active promoters within hierarchical genome architecture.
Dual recognition specificity of an MLA immune receptor in barley demonstrates that the deployment of mildew-resistant cultivars by plant breeders has unintentionally affected nonhost resistance to wheat stripe rust.
This paper examines the small proportion of trees that vastly outlive the median age for their species, and classify three age classes to analyse how these ‘lottery winners’ impact forests.
Mistakes in the maintenance of CG methylation are a source of heritable epimutations in plants. This study systematically identifies and characterizes epimutation hotspots along the Arabidopsis genome and dissects their molecular properties.
The essential nutrient magnesium is mainly stored in the plant vacuole. Arabidopsis proteins identified by homology to a yeast Mg transporter mediate vacuolar Mg sequestration.