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Insights into the evolution of longevity from the Bowhead Whale genome
Keane, M.; Semeiks, J.; Webb, A.E.; Li, Y.I.; Quesada, V.; Craig, T.; Madsen, L.B.; van Dam, S.; Brawand, D.; Marques, P.I.; Michalak, P.; Kang, L.; Bhak, J.; Yim, H.-S.; Grishin, N.V.; Nielsen, N.H.; Heide-Jørgensen, M.-P.; Oziolor, E.M.; Matson, C.W.; Church, G.M.; Stuart, G.W.; Patton, J.C.; George, J.C.; Suydam, R.; Larsen, K.; Lopez-Otin, C.; O'Connell, M.J.; Bickham, J.W.; Thomsen, B.; Pedro de Magalhães, J. (2015). Insights into the evolution of longevity from the Bowhead Whale genome. Cell Reports 10: 112-122. dx.doi.org/10.1016/j.celrep.2014.12.008

Additional info:
In: Cell Reports. Cell Press: Amsterdam. ISSN 2211-1247, more
Peer reviewed article  

Available in  Authors 

Keyword
    Marine

Authors  Top 
  • Keane, M.
  • Semeiks, J.
  • Webb, A.E.
  • Li, Y.I.
  • Quesada, V.
  • Craig, T.
  • Madsen, L.B.
  • van Dam, S.
  • Brawand, D.
  • Marques, P.I.
  • Michalak, P.
  • Kang, L.
  • Bhak, J.
  • Yim, H.-S.
  • Grishin, N.V.
  • Nielsen, N.H.
  • Heide-Jørgensen, M.-P.
  • Oziolor, E.M.
  • Matson, C.W.
  • Church, G.M.
  • Stuart, G.W.
  • Patton, J.C.
  • George, J.C.
  • Suydam, R.
  • Larsen, K.
  • Lopez-Otin, C.
  • O'Connell, M.J.
  • Bickham, J.W.
  • Thomsen, B.
  • Pedro de Magalhães, J.

Abstract
    The bowhead whale (Balaena mysticetus) is estimated to live over 200 years and is possibly the longest-living mammal. These animals should possess protective molecular adaptations relevant to age-related diseases, particularly cancer. Here, we report the sequencing and comparative analysis of the bowhead whale genome and two transcriptomes from different populations. Our analysis identifies genes under positive selection and bowhead- specific mutations in genes linked to cancer and aging. In addition, we identify gene gain and loss involving genes associated with DNA repair, cell-cycle regulation, cancer, and aging. Our results expand our understanding of the evolution of mammalian longevity and suggest possible players involved in adaptive genetic changes conferring cancer resistance. We also found potentially relevant changes in genes related to additional processes, including thermoregulation, sensory perception, dietary adaptations, and immune response. Our data are made available online (http://www. bowhead-whale.org) to facilitate research in this long-lived species.

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