https://gydb.org/index.php?action=history&feed=atom&title=Element%3ACereba 2026-06-09T18:14:09Z Revision history for this page on the wiki MediaWiki 1.35.0 https://gydb.org/index.php?title=Element:Cereba&diff=340&oldid=prev 2009-11-11T16:44:19Z

<p></p> <p><b>New page</b></p><div>{{Element<br /> |genbank=[http://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nucleotide&amp;val=4456993 AF078801]<br /> |type= <br /> CRM<br /> |genus=<br /> Plants<br /> |subfamily=<br /> Chromoviruses<br /> |family=<br /> Ty3/Gypsy<br /> |group=<br /> LTR retroelements<br /> |description=''Cereba'' is a LTR retrotransposon characterized in the centromeres of ''Hordeum vulgare'' ([[Literature:60946|Presting et al. 1998]]). This element belongs to the ''Chromoviridae '' branch, term suggested ([[Literature:47259|Mar&amp;iacute;n and Llor&amp;eacute;ns 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]]).<br /> <br /> Within chromoviruses, ''Cereba'' belongs to CRM clade; a centromere-associated sub-lineage characterized by encoding integrases, clearly divergent from that encoded by other lineages of chromoviruses ([[Literature:26737|Gorinsek, Gubensek and Kordis 2004]]). The genomic structure of ''Cereba'' is 11.6 Kb in size, including putative LTRs of 153 nt. The internal region displays a Primer Binding site (PBS), and three Open Reading Frames (ORFs) for ''gag'', ''pro'', and ''pol'' genes ([[Literature:60946|Presting et al. 1998]]). The sequence analyzed by us also displays upstream to the 3&amp;acute;LTR, a putative ORF in reverse frame (-3) (nt 10023-9067), which codifies for a putative 319 aa extra capsid (CA) 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]]).<br /> |structure=Cereba.png<br /> |host=Hordeum vulgare<br /> |hostpic=Hordeum_vulgare.gif<br /> |literature=*[[Literature:15303|Mobile DNA II. (Craig et al. 2002)]]<br /> |picowner=[http://www.biotechvana.com Image, Carlos Llorens, &lt;br&gt;Copyright, GyDB, Biotech Vana]<br /> }}</div>

imported>Gydbwiki