603 A distinct feature of pollen gains is their resistant outer wall, called the exine, which is mainly composed of sporopollenin, the toughest biopolymer known to date despite an unknown detailed structure. Now, a structural model of pine sporopollenin is revealed by the application of new degradation chemistry and solid-state NMR spectroscopy.
https://www.nature.com/articles/s41477-018-0330-7
602 The engineered Streptococcus pyogenes Cas9 variant SpCas9-NGv1, known to recognize relaxed NG protospacer adjacent motifs (PAMs) in human cells, can also mediate targeted mutagenesis with NG PAMs in rice and Arabidopsis. When fused with cytidine deaminase, it mediates C-to-T substitutions.
https://www.nature.com/articles/s41477-018-0321-8
601 Annual and perennial plants diverge in flowering behavior by varying the balance between shared flowering-control pathways.
http://science.sciencemag.org/content/363/6425/409
600 In the roots of Arabidopsis thaliana, cells with xylem identity and high levels of auxin signalling function as organizer cells that direct neighbouring vascular cambial cells to act as stem cells.
https://www.nature.com/articles/s41586-018-0837-0
599 Energetic equivalence underpins the size structure of tree and phytoplankton communities.
https://www.nature.com/articles/s41467-018-08039-3
598 Global increase in DNA methylation during orange fruit development and ripening.
https://www.pnas.org/content/116/4/1430
597 Conserved fungal effector suppresses PAMP-triggered immunity by targeting plant immune kinases.
https://www.pnas.org/content/116/2/496
596 A salivary effector enables whitefly to feed on host plants by eliciting salicylic acid-signaling pathway.
https://www.pnas.org/content/116/2/490
595 Tobacco plants carrying engineered glycolate metabolic pathways showed as much as 40% greater productivity than wild-type plants in field trials.
http://science.sciencemag.org/content/363/6422/eaat9077
594 Plant neighbor detection and allelochemical response are driven by root-secreted signaling chemicals.
https://www.nature.com/articles/s41467-018-06429-1
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