454 TRANSCRIPTOME SEQUENCING SUGGESTS A ROLE FOR TWO-COMPONENT SIGNALLING IN CELLULARIZATION AND DIFFERENTIATION OF BARLEY ENDOSPERM TRANSFER CELLS.

BackgroundCell specification and differentiation in the endosperm of cereals starts at the maternal-filial boundary and generates the endosperm transfer cells (ETCs).Besides the importance in assimilate transfer, ETCs are proposed to play an essential role in the regulation of endosperm differentiation by affecting development of proximate endosper

ObjectivesQuantifying the combined impact of morbidity and mortality is a key enabler to assessing the impact of COVID-19 across countries and within countries relative to other diseases, regions, or demographics.Differences in methods, data sources, and definitions of mortality due CHRYSIN to COVID-19 may hamper comparisons.We describe efforts to