Exact(3)
Measurements of nucleation density, nucleation undercooling, grain orientation, grain envelope evolution, primary tip growth velocities, and equiaxed grain interactions are provided.
Both progenitor cell daughters have equivalent tip cell potential but only one adopts the primary tip cell fate, its sibling being repressed through Delta/Notch signaling.
Our results show that although much of Moorea's tree snail mitochondrial diversity (including one of the primary tip clades) has been lost, a surprisingly representative genealogical sub-sample collectively persists in captivity, in the wild on Moorea and, in the form of five phylogenetically distinct sister lineages, on Tahiti.
Similar(57)
This is in contrast with solidification of the composite, in which the primary Si tip undercooling decreases markedly with increasing tip velocity and is in quantitative agreement with theory for cellular solidification with no kinetic undercooling.
Her supporters maintain that Mr. Garrett is too conservative for the district, and that a win by him in the primary would tip the district to the Democrat, Linda Mercurio, who has no primary opponent.
However, other signals from the primary root tip also play an important role in regulating lateral root growth.
The GUS activity was detected in most organs, but strong activity was observed in the shoot apex (Figure 4J), primary root tip (Figure 4H), trichomes of young leaves (Figure 4F), and leaf vascular tissues (Figure 4G).
Root hairs located between 1.5 and 3.5 mm from the primary root tip of 4-day-old seedlings were examined.
The 3-D reconstruction (the inset in I ) of the incipient primary branch tip (outlined by the dotted box) shows that the MT-depleted zone is not well defined.
Cross-sections of the primary root tip revealed that pPLAIIIδ was specifically expressed in the epidermis and endodermis and pericycle cells, and the developing lateral roots showed intense GUS staining.
The genes identified here have little in common with those found in an earlier study by Bassani et al. [ 11] of differentially-expressed genes in different regions of the maize primary root tip under water stress.
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