Genome sequence and analysis of the tuber crop potato
By Xun Xu, S. Pan, Shifeng Cheng, Bo Zhang, Desheng Mu, Peixiang Ni, Gengyun Zhang, Shuang Yang, Ruiqiang Li, Jun Wang and 87 more. Nature, 2011
1,949 citations recorded by the source corpus.
Potato (Solanum tuberosum L.) is the world’s most important non-grain food crop and is central to global food security. It is clonally propagated, highly heterozygous, autotetraploid, and suffers acute inbreeding depression. Here we use a homozygous doubled-monoploid potato clone to sequence and assemble 86% of the 844-megabase genome. We predict 39,031 protein-coding genes and present evidence for at least two genome duplication events indicative of a palaeopolyploid origin. As the first genome sequence of an asterid, the potato genome reveals 2,642 genes specific to this large angiosperm clade. We also sequenced a heterozygous diploid clone and show that gene presence/absence variants and other potentially deleterious mutations occur frequently and are a likely cause of inbreeding depression. Gene family expansion, tissue-specific expression and recruitment of genes to new pathways contributed to the evolution of tuber development. The potato genome sequence provides a platform for genetic improvement of this vital crop.
Subfields: Food Science, Plant Science
View Paper: https://www.semanticscholar.org/paper/b7e5bcbf8eb57c7981a1f4630602aa7d630c66c9
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Citations in the corpus
- Genotyping‐by‐Sequencing for Plant Breeding and Genetics (2012, background): “Th e availability of inexpensive sequencing technology has transformed the way genomes are sequenced (Xu et al., 2011; Wang et al., 2011), polymorphisms are discovered (Mardis, 2008; Futschik and Schlötterer, 2010; You et al.”
- The Sol Genomics Network (SGN)—from genotype to phenotype to breeding (2014, background): “Potato (Solanum tuberosum) July 2011 Nature (12) Tomato (Solanum lycopersicum ‘Heinz 1706′) May 2012 Nature (13)”
- The tomato genome sequence provides insights into fleshy fruit evolution (2012, neutral): “Intergenic and repeat-rich heterochromatic sequences showed more than 30% nucleotide divergence, consistent with the high sequence diversity in these regions among potato genotypes 8 .”
- Improving Flooding Tolerance of Crop Plants (2018, background): “Glycine max yes yes (Table 4) [51] available Brassica napus yes yes [52] available Helianthus annuus unknown no [53] not available Beta vulgaris unknown no [54] not available Solanum tuberosum unknown no [55] not available”