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The Pea Aphid Genome

February 24, 2010 by myrmecos

Acyrthociphon pisum, the Pea Aphid

The genome sequence of the pea aphid Acyrthosiphon pisum was published today in PLoS. Concurrently, a set of supporting papers has come out in Insect Molecular Biology. This genome is significant for a number of reasons- it’s the first Hemipteran genome to be sequenced, aphids have an unusual reproductive cycle, and this particular species is a serious agricultural pest.

I’ve not had time to fully digest the paper, but it seems the salient features of this genome are:

  • extensive gene duplications
  • a higher gene count than most other known genomes (including our own!), perhaps related to all the duplications
  • a surprising loss of immune genes

source:  The International Aphid Genomics Consortium 2010 Genome Sequence of the Pea Aphid Acyrthosiphon pisum. PLoS Biol 8(2): e1000313. doi:10.1371/journal.pbio.1000313

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Posted in Science | Tagged Acyrthosiphon, aphids, biology, genomics | 2 Comments

2 Responses

  1. on February 24, 2010 at 2:24 pm Deaf Indian Muslim Anarchist

    I have nothing interesting to say here, but that photo is AMAZING.


  2. on February 24, 2010 at 4:42 pm TGIQ

    Hee. It looks like a crossing guard with a bunch of littles. All you’re missing is backpacks.



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