Science - USA (2021-12-03)

of monomers at their endpoints (Fig. 4A), so a finitehiX can be achieved in the trivial phase, where there is a high density of ...

an effective inner boundary [both inner and outer boundaries here correspond to the so- calledm-type boundaries ( 31 )]. This re ...

solvable models ( 3 , 43 ) and classical numer- ical methods ( 35 , 36 ). Note added in proof: During the completion of this man ...

possesses a simple root anatomy. InArabidopsis, only two ground tissue layers develop in primary development—one endodermal and ...

A single-cell map of the maize root To generate a single-cell resolution map of the maize root meristem, we then dissected semin ...

andLBD29, stele) (Fig. 2E). However, our scRNAseq data showed that expression of the core patterning geneSHRwas specific to the ...

theZmSHRendodermal domain in the root is reminiscent ofZmSHRexpression in the shoot bundle sheath ( 19 , 20 ), which is in an an ...

F. Liuet al.,Plant Cell Physiol. 59 , 1683–1694 (2018). J. Zhu, K. M. Brown, J. P. Lynch,Plant Cell Environ. 33 , 740 – 749 (20 ...

a low concentration (0.005%) of MMS, they were sensitive to higher concentrations (≥0.01%) of MMS (fig. S2). We observed thatpol ...

1254 3 DECEMBER 2021¥VOL 374 ISSUE 6572 science.orgSCIENCE S4 M + + + + + + + + + + ...

inrad27Dcells, we developed an approach to specifically label the OH group on the 3′flap on genomic DNA, in which 3′OH at the ni ...

1256 3 DECEMBER 2021¥VOL 374 ISSUE 6572 science.orgSCIENCE G 0 20 40 60 80 100 120 rad27Δ rad27Δ dun1Δ 0 50 100 150 200 250 300 ...

and ligation of oligonucleotide-based DNA sub- strates (S) with a simple 3′flap (S2 or S3; Fig. 2H and fig. S5B) or a secondary ...

requires an alternative pathway that is med- iated by the 3′exonuclease activities of Pold, which removes nucleotides from the 3 ...

quaternary C(sp^3 ) centers ( 11 ). However, despite broad biochemical relevance, SH2-based cross- coupling paradigms remain eff ...

carbons, and these methods typically rely on highly reactive tertiary Grignard reagents or alkyl iodide electrophiles ( 33 – 36 ...

underscoring the capacity of the SH2 mecha- nism to generally construct sterically hin- dered centers. Redox-active esters conta ...

medicinally important cyclic sulfone ( 22 to 24 , 47% to 63% yield) ( 41 ). Fora-oxy esters, radicals generated adjacent to both ...

and ethyl could be introduced into sp^3 scaf- folds in high efficiency ( 30 to 33 , 59% to 84% yield). Methyl bromide was genera ...

NANOPHOTONICS Continuous-wave frequency upconversion with a molecular optomechanical nanocavity Wen Chen^1 , Philippe Roelli^1 , ...