| Title |
The draft genome of the parasitic nematode Trichinella spiralis
|
|---|---|
| Published in |
Nature Genetics, February 2011
|
| DOI | 10.1038/ng.769 |
| Pubmed ID | |
| Authors |
Makedonka Mitreva, Douglas P Jasmer, Dante S Zarlenga, Zhengyuan Wang, Sahar Abubucker, John Martin, Christina M Taylor, Yong Yin, Lucinda Fulton, Pat Minx, Shiaw-Pyng Yang, Wesley C Warren, Robert S Fulton, Veena Bhonagiri, Xu Zhang, Kym Hallsworth-Pepin, Sandra W Clifton, James P McCarter, Judith Appleton, Elaine R Mardis, Richard K Wilson |
| Abstract |
Genome evolution studies for the phylum Nematoda have been limited by focusing on comparisons involving Caenorhabditis elegans. We report a draft genome sequence of Trichinella spiralis, a food-borne zoonotic parasite, which is the most common cause of human trichinellosis. This parasitic nematode is an extant member of a clade that diverged early in the evolution of the phylum, enabling identification of archetypical genes and molecular signatures exclusive to nematodes. We sequenced the 64-Mb nuclear genome, which is estimated to contain 15,808 protein-coding genes, at ∼35-fold coverage using whole-genome shotgun and hierarchal map-assisted sequencing. Comparative genome analyses support intrachromosomal rearrangements across the phylum, disproportionate numbers of protein family deaths over births in parasitic compared to a non-parasitic nematode and a preponderance of gene-loss and -gain events in nematodes relative to Drosophila melanogaster. This genome sequence and the identified pan-phylum characteristics will contribute to genome evolution studies of Nematoda as well as strategies to combat global parasites of humans, food animals and crops. |
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Mendeley demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 6 | 3% |
| United Kingdom | 6 | 3% |
| Canada | 5 | 2% |
| Germany | 4 | 2% |
| South Africa | 1 | <1% |
| Taiwan | 1 | <1% |
| Sweden | 1 | <1% |
| Mexico | 1 | <1% |
| Japan | 1 | <1% |
| Other | 5 | 2% |
| Unknown | 205 | 87% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 57 | 24% |
| Student > Ph. D. Student | 45 | 19% |
| Student > Master | 26 | 11% |
| Student > Bachelor | 21 | 9% |
| Professor > Associate Professor | 16 | 7% |
| Other | 42 | 18% |
| Unknown | 29 | 12% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 122 | 52% |
| Biochemistry, Genetics and Molecular Biology | 42 | 18% |
| Veterinary Science and Veterinary Medicine | 9 | 4% |
| Immunology and Microbiology | 9 | 4% |
| Medicine and Dentistry | 5 | 2% |
| Other | 14 | 6% |
| Unknown | 35 | 15% |