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PMID: 7972122 Published · ppublish English Comparative Study Journal Article Research Support, U.S. Gov't, P.H.S.

Molecular evolution of magellan, a maize Ty3/gypsy-like retrotransposon.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 91 ·No. 24 ·1994-11-22 ·Pages 11674-8

Purugganan MD, Wessler SR

Abstract

The magellan transposable element is responsible for a spontaneous 5.7-kb insertion in the maize wx-M allele. This element has the sequence and structural characteristics of a Ty3/gypsy-like retrotransposon. The magellan element is present in all Zea species and Tripsacum andersonii; it is absent, however, in the genomes of all other Tripsacum species analyzed. The genetic distances between magellan elements suggest that this retrotransposon is evolving faster than other Zea nuclear loci. The phylogeny of magellan within Zea and T. andersonii also reveals a pattern of interspecies transfers, resulting in the movement of magellan subfamilies between different species genomes. Interspecific hybridization may be a major mechanism by which this retrotransposon invades and establishes itself in new taxa.

MeSH Terms
Base Sequence DNA Primers/chemistry Molecular Sequence Data Phylogeny Plants/genetics Repetitive Sequences, Nucleic Acid Retroelements Sequence Homology, Nucleic Acid Species Specificity Zea mays/genetics
Chemicals
DNA Primers Retroelements
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Purugganan M D
Department of Botany, University of Georgia, Athens 30602.
Wessler S R
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
DOI
10.1073/pnas.91.24.11674
Published
1994-11-22
Pages
11674-8
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC45294
Subset
IM
Databases
GENBANK
U03916, U03917, U03918, U03919, U03920, U03921, U03922, U03923, U03924, U03925, U03926, U03927, U03928, U03929, U03930, U03931, U03932, U03933, U03934, U03935, U03936, U03937, U03938, U03939, U03940, U03941, U03942, U03943, U03944, U03945
External Links
PubMed source DOI: 10.1073/pnas.91.24.11674 PMC Full Text View journal details
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