"Bob" <bbx107.XYZ from excite.XYZ.com> wrote in message
news:poak65dmp4c8d4ahj406nufpfqe28ghtqk from 4ax.com...
> On Fri, 24 Jul 2009 22:53:45 +0530, Kanchanadevi k <kdevik from gmail.com>
> wrote:
>>> hi everyone
>>>>>>There is one mutant bacterial strain which is mutated by deletion mutation
>>of particular gene
>>even after deletion mutation it's reported that this mutant strain can
>>express that phenotype in minimal amount.
>>>>so can any one tell me
>>how is this possible the gene responsible for particular metabolite is
>>deleted but still it's produces minimal amount of that metabolite.
>>> It would be best to consider the specific case. Can you give a
> reference for this.
>> But briefly in general...
>> Is it really true? Are the analyses correct? Not always easy.
>> If really true, then there may be a 2nd gene that can compensate. This
> is the case for Lac+ strains of E coli derived after total deletion of
> the original lactase.
>> bob
>
An interesting question and a good reply by Bob but sadly no response from
the originator...now I cant sleep !
N10
