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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F11%3A10107601%21RIV12-MSM-11310___
rdf:type
n17:Vysledek skos:Concept
rdfs:seeAlso
http://genomebiology.com/content/12/2/R20
dcterms:description
We have produced a draft genome sequence of another group dictyostelid, Dictyostelium purpureum, and compare it to the D. discoideum genome. The assembly (8.41 x coverage) comprises 799 scaffolds totaling 33.0 Mb, comparable to the D. discoideum genome size. Sequence comparisons suggest that these two dictyostelids shared a common ancestor approximately 400 million years ago. In spite of this divergence, most orthologs reside in small clusters of conserved synteny. Comparative analyses revealed a core set of orthologous genes that illuminate dictyostelid physiology, as well as differences in gene family content. Interesting patterns of gene conservation and divergence are also evident, suggesting function differences; some protein families, such as the histidine kinases, have undergone little functional change, whereas others, such as the polyketide synthases, have undergone extensive diversification. The abundant amino acid homopolymers encoded in both genomes are generally not found in homologous positions within proteins, so they are unlikely to derive from ancestral DNA triplet repeats. Genes involved in the social stage evolved more rapidly than others, consistent with either relaxed selection or accelerated evolution due to social conflict. We have produced a draft genome sequence of another group dictyostelid, Dictyostelium purpureum, and compare it to the D. discoideum genome. The assembly (8.41 x coverage) comprises 799 scaffolds totaling 33.0 Mb, comparable to the D. discoideum genome size. Sequence comparisons suggest that these two dictyostelids shared a common ancestor approximately 400 million years ago. In spite of this divergence, most orthologs reside in small clusters of conserved synteny. Comparative analyses revealed a core set of orthologous genes that illuminate dictyostelid physiology, as well as differences in gene family content. Interesting patterns of gene conservation and divergence are also evident, suggesting function differences; some protein families, such as the histidine kinases, have undergone little functional change, whereas others, such as the polyketide synthases, have undergone extensive diversification. The abundant amino acid homopolymers encoded in both genomes are generally not found in homologous positions within proteins, so they are unlikely to derive from ancestral DNA triplet repeats. Genes involved in the social stage evolved more rapidly than others, consistent with either relaxed selection or accelerated evolution due to social conflict.
dcterms:title
Comparative genomics of the social amoebae Dictyostelium discoideum and Dictyostelium purpureum Comparative genomics of the social amoebae Dictyostelium discoideum and Dictyostelium purpureum
skos:prefLabel
Comparative genomics of the social amoebae Dictyostelium discoideum and Dictyostelium purpureum Comparative genomics of the social amoebae Dictyostelium discoideum and Dictyostelium purpureum
skos:notation
RIV/00216208:11310/11:10107601!RIV12-MSM-11310___
n17:predkladatel
n20:orjk%3A11310
n3:aktivita
n4:Z
n3:aktivity
Z(MSM0021620828)
n3:cisloPeriodika
2
n3:dodaniDat
n11:2012
n3:domaciTvurceVysledku
n13:5159121
n3:druhVysledku
n19:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
191018
n3:idVysledku
RIV/00216208:11310/11:10107601
n3:jazykVysledku
n10:eng
n3:klicovaSlova
Amoebozoa; genome; evolution; dictyostelids; Comparative genomics
n3:klicoveSlovo
n6:dictyostelids n6:genome n6:evolution n6:Amoebozoa n6:Comparative%20genomics
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[0E986F89B99E]
n3:nazevZdroje
Genome Biology
n3:obor
n9:EB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
41
n3:rokUplatneniVysledku
n11:2011
n3:svazekPeriodika
12
n3:tvurceVysledku
Coutinho, Pedro M Tu, Hank Schaap, Pauline Bruce, David Babu, M Madan Dinh, Christopher Tian, Xiangjun Salerno, William Barry, Kerrie Salamov, Asaf Chisholm, Rex L Dalin, Eileen Rivero, Francisco Anjard, Christophe Kuspa, Adam Bushmanova, Yulia Sucgang, Richard Kuo, Alan Kay, Robert R. Schmutz, Jeremy Lindquist, Erika Katoh-Kurasawa, Mariko Huang, Eryong Gaudet, Pascale Loomis, William F Henrissat, Bernard Saito, Tamao Eliáš, Marek Shapiro, Harris Putnam, Nicholas H Parikh, Anup Strassmann, Joan E Fey, Petra Basu, Siddhartha Shaulsky, Gad Feasley, Christa L Grigoriev, Igor V West, Christopher M Queller, David C van der Wel, Hanke Eichinger, Ludwig
n3:wos
000289365600016
n3:zamer
n7:MSM0021620828
s:issn
1474-760X
s:numberOfPages
23
n21:doi
10.1186/gb-2011-12-2-r20
n18:organizacniJednotka
11310