Comparative Mapping in the Pinaceae

Krutovsky, Konstantin V.; Troggio, Michela; Brown, Garth; Jermstad, K. D.; Neale, David B.

doi:10.1534/genetics.104.028381

Cited by 120 publications

(95 citation statements)

References 74 publications

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“…The most striking case of genome conservation is in the Poaceae, where detailed genetic maps can be used to infer gene content and order in related grass species Gale and Devos 1998;Freeling 2001). Extended macrosynteny has also been observed within the Solanaceae (Tanksley et al 1992;Prince et al 1993) and the Pinaceae (Krutovsky et al 2004). Synteny is not, however, always evident.…”

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confidence: 99%

Analyses of Synteny Between Arabidopsis thaliana and Species in the Asteraceae Reveal a Complex Network of Small Syntenic Segments and Major Chromosomal Rearrangements

et al. 2006

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Comparative genomic studies among highly divergent species have been problematic because reduced gene similarities make orthologous gene pairs difficult to identify and because colinearity is expected to be low with greater time since divergence from the last common ancestor. Nevertheless, synteny between divergent taxa in several lineages has been detected over short chromosomal segments. We have examined the level of synteny between the model species Arabidopsis thaliana and species in the Compositae, one of the largest and most diverse plant families. While macrosyntenic patterns covering large segments of the chromosomes are not evident, significant levels of local synteny are detected at a fine scale covering segments of 1-Mb regions of A. thaliana and regions of ,5 cM in lettuce and sunflower. These syntenic patches are often not colinear, however, and form a network of regions that have likely evolved by duplications followed by differential gene loss.

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Analyses of Synteny Between Arabidopsis thaliana and Species in the Asteraceae Reveal a Complex Network of Small Syntenic Segments and Major Chromosomal Rearrangements

et al. 2006

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“…; Chagne et al 2003) using loblolly pine as a reference species (Flavell 2009). Likewise, syntenic relationship was established between loblolly pine and species belonging to other genera of the Pinaceae, such as Douglas-fir (Pseudotsuga menziesii [Mirb] Franco; Krutovsky et al 2004) and Norway Spruce (Picea abies [L] Karst; unpublished), but never between the two subgenera within the genus Pinus.…”

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confidence: 99%

Comparative mapping in Pinus: sugar pine (Pinus lambertiana Dougl.) and loblolly pine (Pinus taeda L.)

Jermstad

Eckert

Wegrzyn

et al. 2010

Tree Genetics & Genomes

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The majority of genomic research in conifers has been conducted in the Pinus subgenus Pinus mostly due to the high economic importance of the species within this taxon. Genetic maps have been constructed for several of these pines and comparative mapping analyses have consistently revealed notable synteny. In contrast, little genomic research has been conducted on the Pinus subgenus Strobus, even though these pines have strong ecological relevance. We report a consensus genetic linkage map for sugar pine (Pinus lambertiana Dougl.) constructed with 399 single nucleotide polymorphisms markers derived from annotated genes. The map is 1,231 cM in length and organized into 19 linkage groups. Two of the mapping populations were derived from trees that were segregating for the major gene of resistance (Cr1) to Cronartium ribicola, the fungal pathogen responsible for white pine blister rust. The third mapping population was derived from a full-sib cross segregating for partial resistance to white pine blister rust. In addition, we report the first comparative mapping study between subgenera Strobus and Pinus. Sixty mapped markers were found in common between sugar pine and the loblolly pine reference map with 56 of them (93%) showing collinearity. All 19 linkage groups of the sugar pine consensus map coaligned to the 12 linkage groups of the loblolly pine reference map. The syntenic relationship observed between these two clades of pines provides a foundation for advancing genomic research and genetic resources in subgenus Strobus.

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“…Within plant families the different genomes are often colinear which might offer the possibility to identify orthologous CGs on basis of syntenic genomic regions (i.e. Krutovsky et al 2004). For instance, the tomato and potato genomes, both belonging to the Solanaceae plant family, are remarkably colinear and differ only by five paracentric inversions allowing the identification of CGs across species (Thabuis et al 2003;Huan SanWen et al 2005).…”

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Plant translational genomics: from model species to crops

Salentijn¹,

Pereira²,

Angenent³

et al. 2006

Mol Breeding

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Plant genomic research now faces the ultimate challenge to develop applications in crop plants which implies the translation of gene functions from a model to a crop which is the field of 'Plant translational genomics'. In this paper we discuss the perspectives of the candidate gene approach (CGA) as a tool for translational genomics in the 'whole genome' era. Factors to be considered for a successful application of the CGA in crops such as the type of crop, the complexity of the trait and the type of genes involved are discussed. Several crop traits that require improvement such as tolerance to stress, pod shatter in Brassicaceae and Fusarium resistance, are evaluated with regard to the potential of a CGA as a tool for crop improvement

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Comparative Mapping in the Pinaceae

Cited by 120 publications

References 74 publications

Analyses of Synteny Between Arabidopsis thaliana and Species in the Asteraceae Reveal a Complex Network of Small Syntenic Segments and Major Chromosomal Rearrangements

Analyses of Synteny Between Arabidopsis thaliana and Species in the Asteraceae Reveal a Complex Network of Small Syntenic Segments and Major Chromosomal Rearrangements

Comparative mapping in Pinus: sugar pine (Pinus lambertiana Dougl.) and loblolly pine (Pinus taeda L.)

Plant translational genomics: from model species to crops

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