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The resilience of the black spruce explained by its genome

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Researchers, including from Laval University, have succeeded in sequencing the genome of the black spruce. (Archive photo)

  • Shanelle Guérin (View profile)Shanelle Guérin

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Black spruce trees, including those in the Ragueneau sector on the North Shore, are at the heart of an important scientific advance as researchers from three universities have succeeded in completely sequencing the genome of this conifer.

< p class="StyledBodyHtmlParagraph-sc-48221190-4 hnvfyV">Scientists have sequenced 18 billion base pairs of DNA to decode the black spruce genome. We are talking about a genome six times longer than the human genome, marvels one of the authors of the study in an interview withBoréale 138, Jean Bousquet.

Sequencing is a bit like drawing a road map of genes and finding out what they do, explains the professor in the Department of Wood and Forest Sciences at Laval University.

We now know the black spruce much better.BROADCAST HERE PREMIÈRE.Boréale 138.

We now know much better about the black spruce

BROADCAST HERE PREMIÈREBoréale 138

Listen to the audio (We now know the black spruce much better. 8 minutes 50 seconds)

This achievement allowed researchers to identify 35,000 genes that are specific to the species. The details were published in the scientific journal G3 Genesm Genomes and Genetics.

A genome is the set of genes that are contained in the chromosomes of an organism.

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