In this work the Neurospora crassa al-3 gene function was determined. Geranylgeranyl pyrophosphate (GGPP) synthase activity was measured in al-2 FGSC 313 and al-3 RP100 FGSC 2082 mutant strains by in vitro synthesis methods. This experiment showed that al-3 RP100 mutant expresses a reduced GGPP synt
The initiation site for recombination cog is at the 3′ end of the his-3 gene in Neurospora crassa
✍ Scribed by Bowring, Frederick J. ;Catcheside, David E. A.
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 527 KB
- Volume
- 229
- Category
- Article
- ISSN
- 0026-8925
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✦ Synopsis
Recombination at his-3 in Neurospora crassa is thought to be initiated through a site designated cog which lies in the his-3 to ad-3 interval of linkage group I. Fragments of the his-3 gene were used to transform various his-3 mutant alleles to prototrophy in order to link the genetic map to the nucleotide sequence. It was established that cog is at the 3' end of his-3 and is therefore not the his-3 promoter. This suggests that cog may be dissimilar to a number of yeast recombinators which are associated with promoters of transcription.
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