imported>Gydbwiki at 19:06, 25 December 2009

2009-12-25T19:06:31Z

New page

{{Element
|genbank=[http://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nucleotide&val=29423675 29423675]
|type=
REM
|genus=
Plants
|subfamily=
Chromoviruses
|family=
Ty3/Gypsy
|group=
LTR retroelements
|description=REM1 is a LTR retrotransposon characterized in the green algae ''Chlamydomonas reinhardtii''
([[Literature:58702|Perez Alegre ''et al''. 2005]]). REM1 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 has been disclosed to be the most ancient phylogenetic pattern of ''Ty3/Gypsy'' retroelements ([[Literature:26737|Gorinsek, Gubensek and Kordis 2004]]; [[Literature:26736|2005]]; [[Literature:39523|Kordis 2005]]).

The genomic structure of REM1 is 5.8 Kb in size, including LTRs of 276-286 nt in size. The internal region displays a Primer Binding Site (PBS), and a Polypurine Tract (PPT) adjacent to the 3´LTR ([[Literature:58702|Perez Alegre ''et al''. 2005]]). The internal region also shows three Open Reading Frames (ORFs); two for the typical ''gag'', and ''pol'' genes of LTR retrotransposons and another, in reverse frame, showing part of the integrase and the chromodomain typical of ''Ty3/Gypsy'' chromoviruses. This is, although the original description performed in ([[Literature:58702|Perez Alegre ''et al''. 2005]]) reported no RNAse H and Integrase domains in the typical pol frame, subsequent analyses revealed an small RNAse H domain after reverse transcriptase and that the third ORF in reverse frame is the rest of a putative rearrangement and partial loose of the original integrase of this element ([[Literature:100596|Llorens ''et al.'' 2009]]).
|structure=rem1.png
|host=Chlamydomonas reinhardtii
|hostpic=Chlamydomonas reinhardtii.jpg
|literature=*[[Literature:15303|Mobile DNA II. (Craig et al. 2002)]]
|picowner=[http://remf.dartmouth.edu/images/algaeSEM/source/1.html Dartmouth Electron Microscope Facility, Dartmouth College]
}}
[[Category:Element]]

Element:REM1 - Revision history

imported>Gydbwiki at 19:06, 25 December 2009