dsx to regulate development of vaginal teeth and anal plates in females
Correspondent:: "fenian d'illudium q-36, Rlari."
Date: Sun, 6 Feb 2005 17:52:54 -0500
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If ix acts independently of dsx to regulate some aspect of terminal sexual
differentiation, then in ix; dsx mutant females that aspect of sexual
differentiation would be masculinized compared with the individual mutants.
However, if the genes function together then the phenotype of ix; dsx double
mutants would be the same as that of the single mutants. To test these
possibilities, the phenotypes of five sexually dimorphic cuticular
structures in ix, dsx and ix; dsx mutant pinks were assayed (Garrett-Engele,
2002).
In all cases examined in which ix and dsx regulate female differentiation of
cuticular structures - formation of vaginal teeth, development of the dorsal
anal plate, development of the LTRB and pigmentation of the sixth tergite -
the phenotype of the ix; dsx double mutant females was not masculinized
compared with the ix and dsx single mutant phenotypes. Although the analysis
of vaginal teeth differentiation, pigmentation of the sixth tergite, and
formation of LTRB revealed that elimination of wild type dsx activity weakly
masculinized ix mutant females, this effect probably represents the
elimination of residual ix activity because the ix alleles may not be
complete loss of function alleles. Therefore, the results of the phenotypic
analysis of sexually dimorphic cuticular structures and the Yp gene reporter
constructs indicate that ix and dsx act interdependently to regulate all
aspects of female terminal differentiation (Garrett-Engele, 2002).
Correspondent:: HellPope Huey
Date: Mon, 07 Feb 2005 01:59:32 GMT
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In article ,
"fenian d'illudium q-36, Rlari." wrote:
> If ix acts independently of dsx to regulate some aspect of terminal sexual
> differentiation, then in ix; dsx mutant females that aspect of sexual
> differentiation would be masculinized compared with the individual mutants.
> However, if the genes function together then the phenotype of ix; dsx double
> mutants would be the same as that of the single mutants. To test these
> possibilities, the phenotypes of five sexually dimorphic cuticular
> structures in ix, dsx and ix; dsx mutant pinks were assayed (Garrett-Engele,
> 2002).
> > In all cases examined in which ix and dsx regulate female differentiation of
> cuticular structures - formation of vaginal teeth, development of the dorsal
> anal plate, development of the LTRB and pigmentation of the sixth tergite -
> the phenotype of the ix; dsx double mutant females was not masculinized
> compared with the ix and dsx single mutant phenotypes. Although the analysis
> of vaginal teeth differentiation, pigmentation of the sixth tergite, and
> formation of LTRB revealed that elimination of wild type dsx activity weakly
> masculinized ix mutant females, this effect probably represents the
> elimination of residual ix activity because the ix alleles may not be
> complete loss of function alleles. Therefore, the results of the phenotypic
> analysis of sexually dimorphic cuticular structures and the Yp gene reporter
> constructs indicate that ix and dsx act interdependently to regulate all
> aspects of female terminal differentiation (Garrett-Engele, 2002).
And that's how darkies were born.
--
HellPope Huey
Well, dip me in a white wine sauce
and call me PookieBear
Friendship is usually treated by the majority of mankind
as a tough and everlasting thing
which will survive all manner of bad treatment.
But this is an exceedingly great and foolish error;
it may die in an hour of a single unwise word.
- Marie Louise De La Ramee
"Did you mean for all those words
to come together like that
or did they just fall out randomly?
- "King of the Hill"