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Type: Journal article
Title: Genome sequence of an Australian kangaroo, Macropus eugenii, provides insight into the evolution of mammalian reproduction and development
Author: Renfree, M.
Papenfuss, A.
Deakin, J.
Lindsay, J.
Heider, T.
Belov, K.
Rens, W.
Waters, P.
Pharo, E.
Shaw, G.
Wong, E.
Lefèvre, C.
Nicholas, K.
Kuroki, Y.
Wakefield, M.
Zenger, K.
Wang, C.
Ferguson-Smith, M.
Nicholas, F.
Hickford, D.
et al.
Citation: Genome Biology, 2011; 12(8):R81-1-R81-25
Publisher: BioMed Central
Issue Date: 2011
ISSN: 1474-7596
Statement of
Marilyn B Renfree ... Elizabeth Kuczek ... et al.
Abstract: Background: We present the genome sequence of the tammar wallaby, Macropus eugenii, which is a member of the kangaroo family and the first representative of the iconic hopping mammals that symbolize Australia to be sequenced. The tammar has many unusual biological characteristics, including the longest period of embryonic diapause of any mammal, extremely synchronized seasonal breeding and prolonged and sophisticated lactation within a well-defined pouch. Like other marsupials, it gives birth to highly altricial young, and has a small number of very large chromosomes, making it a valuable model for genomics, reproduction and development. Results: The genome has been sequenced to 2 × coverage using Sanger sequencing, enhanced with additional next generation sequencing and the integration of extensive physical and linkage maps to build the genome assembly. We also sequenced the tammar transcriptome across many tissues and developmental time points. Our analyses of these data shed light on mammalian reproduction, development and genome evolution: there is innovation in reproductive and lactational genes, rapid evolution of germ cell genes, and incomplete, locus-specific X inactivation. We also observe novel retrotransposons and a highly rearranged major histocompatibility complex, with many class I genes located outside the complex. Novel microRNAs in the tammar HOX clusters uncover new potential mammalian HOX regulatory elements. Conclusions: Analyses of these resources enhance our understanding of marsupial gene evolution, identify marsupial-specific conserved non-coding elements and critical genes across a range of biological systems, including reproduction, development and immunity, and provide new insight into marsupial and mammalian biology and genome evolution.
Keywords: Chromosomes, Mammalian
Description: Corrected by: Erratum: Genome sequence of an Australian kangaroo, Macropus eugenii, provides insight into the evolution of mammalian reproduction and development in Genome Biology 12(12):414-414. One of the authors was inadvertently omitted from the author list. This author, Hardip Patel, has been included in the corrected author list above.
Rights: © 2011 Renfree et al.; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
DOI: 10.1186/gb-2011-12-8-r81
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