Variation in nucleolar organiser rRNA gene multiplicity in wheat and rye
β Scribed by R. B. Flavell; D. B. Smith
- Publisher
- Springer
- Year
- 1974
- Tongue
- English
- Weight
- 393 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0009-5915
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The influence of genes affecting the `plant growth habit' in wheat (Rht8 and Ppdl) and rye (ctl and ct2) on tissue culture response was studied using immature embryos . Whereas the semi-dwarfing gene Rht8 seems to promote only a minor effect, the day-length sensitive allele ppdl determined a major i
A large number of wheat rRNA genes are methylated at all the CCGG sites that are present in the intergenic regions. A smaller number of rRNA genes are not methylated at one or more CCGG sites. A subset of genes was found unmethylated at a specific CCGG site just downstream of the array of 135 bp A r