imported>Gydbwiki at 16:50, 11 November 2009

2009-11-11T16:50:35Z

New page

{{Element
|genbank=[http://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nucleotide&val=4680178 AF111709 (nuc. 25889- 38686)]
|type=
Del
|genus=
Plants
|subfamily=
Chromoviruses
|family=
Ty3/Gypsy
|group=
LTR retroelements
|description=''Retrosat-2'' is a LTR retrotransposon described nested with ''Retrosat-1'' (another LTR retrotransposon) in the genome ''Oryza sativa'' ([[Literature:85490|Llaca et al 1998]]). ''Retrosat-2'' belongs to the ''Chromoviridae'' branch, term suggested ([[Literature:47259|Marín and Lloréns 2000]]) to describe the ''Ty3/Gypsy'' elements bearing chromodomain-integrases ([[Literature:46552|Malik and Eickbush 1999]]). The chromovirus branch is probably the most ancient phylogenetic pattern of ''Ty3/Gypsy'' retroelements ([[Literature:26737|Gorinsek, Gubensek and Kordis 2004]]; [[Literature:26736| 2005]]; [[Literature:39523|Kordis 2005]]).

At the genomic structure level ''Retrosat-2'' is 12.7 Kb in size, including LTRs of 3.2 Kb. The internal region of this element displays a Primer Binding Site (PBS), a single Open Reading Frame (ORF) coding for a gag-pol precursor, and a Polypurine Tract (PPT) adjacent to the 3´LTR ([[Literature:85490|Llaca et al 1998]]). This element presents a detectable chromodomain at the C-terminal end of the integrase domain. The PBS of fungi and vertebrate chromoviruses, differs significantly from that used by plant chromoviruses. While plant chromoviruses use a methionine starting tRNA (iMet), fungi and vertebrate chromoviruses use their own self-priming mechanism to start the reverse transcription ([[Literature:43217|Levin 1995 ]]; [[Literature:10125|Butler et al. 2001]]).
|structure=Retrosat-2.png
|host=Oryza sativa
|hostpic=Oryza_sativa.gif
|literature=*[[Literature:15303|Mobile DNA II. (Craig et al. 2002)]]
|picowner=[http://www.biotechvana.com Image, Carlos Llorens, <br>Copyright, GyDB, Biotech Vana]
}}

Element:Retrosat-2 - Revision history

imported>Gydbwiki at 16:50, 11 November 2009