Breeding and molecular characterization of a new salt-tolerant wheat variety.

Unlabelled: Soil salinization is a severely detrimental environmental problem that affects the seed germination, growth and yield of wheat. To excavate salt-tolerant genes and breed salt-tolerant wheat varieties are of great significance for ensuring global food security. In this study, we have successfully developed a novel salt-tolerant wheat cultivar, KD808, which is shown to have remarkable salt tolerance through multiple phenotypic analyses.

The Q-interacted protein QIP3 recruits TaTPL to regulate spike architecture in wheat.

Spike architecture is a critical determinant of grain yield in wheat; yet the regulatory mechanisms remain poorly understood. Here, we demonstrate that the AP2 transcription factor Q directly represses the expression of TaMYB30-6A, a gene associated with spike length in wheat. We further identify QIP3 as a Q-interacting protein harboring an N-terminal EAR motif.

Atomic Layer Deposition Synthesis of VO@Al-O Core-Shell Structure with Enhanced Oxidation Resistance for Adaptive Infrared Camouflage Application.

VO has attracted extensive attention as an adaptive camouflage material due to its structural change during the metal-insulator transition (MIT) at 68 °C, which can rapidly respond to ambient temperature and actively modulate the infrared emissivity. However, its thermal instability has limited its application in the optical field. In this paper, VO@AlO core-shell micronanoparticles (VO@Al-O) with controllable shell thickness were first prepared by the atomic layer deposition method, and their thermal stability and infrared modulation performance were systematically studied.

Heterotrimeric G protein interacts with MLO1 to regulate a trade-off between disease resistance and growth in wheat.

The molecular mechanisms underlying the balance between disease resistance and growth in wheat remain largely unclear. Here, we report that CRISPR/Cas9-guided gene-editing mutants of wheat G alpha subunit exhibit compact plant architecture and enhanced resistance against powdery mildew but with a compromise in yield traits. RNA-seq analyses show that some growth-related genes were down-regulated while some disease resistance-related genes were up-regulated in the Tagα-aabbdd mutant.

Q negatively regulates wheat salt tolerance through directly repressing the expression of TaSOS1 and reactive oxygen species scavenging genes.

The Q transcription factor plays important roles in improving multiple wheat domestication traits such as spike architecture, threshability and rachis fragility. However, whether and how it regulates abiotic stress adaptation remain unclear. We found that the transcriptional expression of Q can be induced by NaCl and abscisic acid treatments.

Sequential activation of strigolactone and salicylate biosynthesis promotes leaf senescence.

Leaf senescence is a complex process strictly regulated by various external and endogenous factors. However, the key signaling pathway mediating leaf senescence remains unknown. Here, we show that Arabidopsis SPX1/2 negatively regulate leaf senescence genetically downstream of the strigolactone (SL) pathway.