Structure and genomic organization of I elements involved in I - R hybrid dysgenesis inDrosophila melamogaster | Zendy

Michèle Crozatier | Zendy; Chantal Vaury | Zendy; Isabclle Busseau | Zendy; Alain Pélisson | Zendy; Alain Bucheton | Zendy

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Structure and genomic organization of I elements involved in I - R hybrid dysgenesis inDrosophila melamogaster

Author(s) -

Michèle Crozatier,

Chantal Vaury,

Isabclle Busseau,

Alain Pélisson,

Alain Bucheton

Publication year - 1988

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/16.19.9199

Subject(s) - biology , inducer , transposable element , dysgenesis , drosophila melanogaster , genetics , p element , mutation , drosophilidae , genome , gene

I-R hybrid dysgenesis in D. melanogaster is controlled by transposable elements known as I factors which terminate at their 3' ends by an A-rich sequence. Inducer strains contain active I factors. Both reactive and inducer stocks possess defective I elements. We have cloned various I elements from both categories of strains. The I elements having recently transposed in inducer strains have a structure closely related to that of active I factors. However we have isolated one such I element that is truncated at its 5' end. The I elements common to reactive and inducer strains are affected by various rearrangements and many point mutations. They do not appear to be simple derivatives of complete I factors.

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