NDLI: Retrolyc1-1, a member of the Tntl retrotransposon super-family in the Lycopersicon peruvianum genome

Content Provider	Springer Nature Link
Author	Costa, Ana Paula P. Scortecci, Katia C. Hashimoto, Regina Y. Araujo, Paula G. Grandbastien, Marie Angele Sluys, Marie Anne Van
Copyright Year	1999
Abstract	Retrotransposons are ubiquitous mobile genetic elements that transpose through an RNA intermediate. One of the best known plant retrotransposon, Tnt1, was isolated from tobacco and showed an extensive distribution in the Nicotiana genus. We investigated the presence of related sequences in the Lycopersicon genus, another member of the Solanaceae family. Hybridization experiments performed using Tnt1 probes indicated that homologous sequences were present in all Lycopersicon species, indicating that these Tnt1-related sequences, that we named Retrolyc1, are distributed throughout the Lycopersicon genus. Different distribution patterns were detected between species, demonstrating a potential use of Retrolyc1 elements as molecular markers. An incomplete Retrolyc1 sequence, that we named Retrolyc1-1, was isolated from an L. peruvianum genomic library. Retrolyc1-1 shows extensive homology with Tnt1 sequences except in the LTR U3 region. Since this region is known to be involved in the control of transcription, this strongly suggests the existence of different patterns of regulation for Tnt1 and Retrolyc1 elements. The study of these two elements within the Solanaceae family may provide interesting models for retrotransposon evolution within this group and transmission in host genomes.
Starting Page	65
Ending Page	72
Page Count	8
File Format	PDF
ISSN	00166707
Journal	Genetica
Volume Number	107
Issue Number	1-3
e-ISSN	15736857
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1999-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Human Genetics Plant Genetics & Genomics Animal Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Medicine Animal Science and Zoology Insect Science

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