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Example Sentences for "arista "

The arista is the terminal segment of the antenna and it is comprised of a central core of epidermal cells, some of which elaborate a single lateral extension [ 8 ] .

To determine if the fz pathway played a role in arista development we examined the aristae of various fz pathway mutants [ 1 5 ] .

However unlike the situation on the wing, where mwh results in altered hair polarity, on the arista we did not see any evidence of altered lateral polarity.

To see if this could be the case for lateral development we examined the distribution of Fz in developing arista using a Fz-GFP encoding transgene gene.

We found that Fz-GFP preferentially accumulated on the distal side of arista central core cells much as it does in wing cells.

Results The arista phenotype of inturned and fuzzy On the wing, mutations in inturned ( in ) and fuzzy ( fy ) result in both altered hair polarity and in many cells forming more than one hair [ 5 14 15 16 ] .

In the arista mutations in these genes do not have an obvious polarity phenotype but they do result in the production of multipled and split laterals (Fig.

In a wild type arista the lateral initiates close to, but not at the distal most boundary of the cell.

The arista phenotype of mutiple wing hairs In the wing multiple wing hairs ( mwh ) results in similar polarity disruptions and a stronger multiple hair cell phenotype than in or fy [ 5 14 ] .

Thus, in the arista laterals as in wing hairs mwh has a substantially stronger phenotype than in or fy.

The arista phenotype of fz mutants We did not see any obvious mutant phenotype in aristae from fz, dsh, pk, Vang or stan flies (Fig.

Fz accumulates asymmetrically in arista cells The initiation of wing hairs in the vicinity of the distal most vertex of wing cells is preceded by the preferential accumulation of Fz protein along the distal side of wing cells [ 10 ] .

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