Insights into conifer giga-genomes

Amanda R. De La Torre, Inanc Birol, Jean Bousquet, Pär K. Ingvarsson, Stefan Jansson, Steven J.M. Jones, Christopher I. Keeling, John MacKay, Ove Nilsson, Kermit Ritland, Nathaniel Street, Alvin Yanchuk, Philipp Zerbe, Jörg Bohlmann

Research output: Contribution to journalArticlepeer-review

87 Scopus citations

Abstract

Insights from sequenced genomes of major land plant lineages have advanced research in almost every aspect of plant biology. Until recently, however, assembled genome sequences of gymnosperms have been missing from this picture. Conifers of the pine family (Pinaceae) are a group of gymnosperms that dominate large parts of the world’s forests. Despite their ecological and economic importance, conifers seemed long out of reach for complete genome sequencing, due in part to their enormous genome size (20–30 Gb) and the highly repetitive nature of their genomes. Technological advances in genome sequencing and assembly enabled the recent publication of three conifer genomes: white spruce (Picea glauca), Norway spruce (Picea abies), and loblolly pine (Pinus taeda). These genome sequences revealed distinctive features compared with other plant genomes and may represent a window into the past of seed plant genomes. This Update highlights recent advances, remaining challenges, and opportunities in light of the publication of the first conifer and gymnosperm genomes.

Original languageEnglish (US)
Pages (from-to)1724-1732
Number of pages9
JournalPlant Physiology
Volume166
Issue number4
DOIs
StatePublished - Dec 1 2014
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Genetics
  • Plant Science

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