| dc.creator |
Poyatos, Juan F. |
|
| dc.creator |
Hurst, Laurence D. |
|
| dc.date |
2008-03-27T09:55:28Z |
|
| dc.date |
2008-03-27T09:55:28Z |
|
| dc.date |
2007-11-05 |
|
| dc.date.accessioned |
2017-01-31T01:00:58Z |
|
| dc.date.available |
2017-01-31T01:00:58Z |
|
| dc.identifier |
Genome Biology 2007, 8:R233 |
|
| dc.identifier |
1465-6906 |
|
| dc.identifier |
http://hdl.handle.net/10261/3328 |
|
| dc.identifier |
10.1186/gb-2007-8-11-r233 |
|
| dc.identifier.uri |
http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3328 |
|
| dc.description |
The electronic version of this article is the complete one and can be
found online at http://genomebiology.com/2007/8/11/R233 |
|
| dc.description |
[Background] Why do some groups of physically linked genes stay linked over long evolutionary
periods? Although several factors are associated with the formation of gene clusters in eukaryotic
genomes, the particular contribution of each feature to clustering maintenance remains unclear. |
|
| dc.description |
[Results] We quantify the strength of the proposed factors in a yeast lineage. First we identify the
magnitude of each variable to determine linkage conservation by using several comparator species
at different distances to Saccharomyces cerevisiae. For adjacent gene pairs, in line with null
simulations, intergenic distance acts as the strongest covariate. Which of the other covariates
appear important depends on the comparator, although high co-expression is related to synteny
conservation commonly, especially in the more distant comparisons, these being expected to
reveal strong but relatively rare selection. We also analyze those pairs that are immediate
neighbors through all the lineages considered. Current intergene distance is again the best
predictor, followed by the local density of essential genes and co-regulation, with co-expression
and recombination rate being the weakest predictors. The genome duplication seen in yeast leaves
some mark on linkage conservation, as adjacent pairs resolved as single copy in all post-whole
genome duplication species are more often found as adjacent in pre-duplication species. |
|
| dc.description |
[Conclusion] Current intergene distance is consistently the strongest predictor of synteny
conservation as expected under a simple null model. Other variables are of lesser importance and
their relevance depends both on the species comparison in question and the fate of the duplicates
following genome duplication. |
|
| dc.description |
This research has been partially supported
by the Spanish Ministerio de Educación y Ciencia Grant FIS2006-
10368 (JFP) and the UK Biotechnology and Biological Sciences Research
Council (LDH). |
|
| dc.description |
Peer reviewed |
|
| dc.format |
484510 bytes |
|
| dc.format |
5994249 bytes |
|
| dc.format |
application/pdf |
|
| dc.format |
application/pdf |
|
| dc.language |
eng |
|
| dc.publisher |
BioMed Central |
|
| dc.relation |
Publisher’s version |
|
| dc.rights |
openAccess |
|
| dc.subject |
Evolution |
|
| dc.subject |
Genome studies |
|
| dc.subject |
Genetics |
|
| dc.title |
The determinants of gene order conservation in yeasts |
|
| dc.type |
Artículo |
|