| Literature DB >> 30297971 |
Jisen Zhang1, Xingtan Zhang2, Haibao Tang2, Qing Zhang2, Xiuting Hua2, Xiaokai Ma2, Fan Zhu3, Tyler Jones4, Xinguang Zhu5, John Bowers6, Ching Man Wai7, Chunfang Zheng8, Yan Shi2, Shuai Chen2, Xiuming Xu2, Jingjing Yue2, David R Nelson9, Lixian Huang2, Zhen Li2, Huimin Xu2, Dong Zhou2, Yongjun Wang2, Weichang Hu2, Jishan Lin2, Youjin Deng2, Neha Pandey3, Melina Mancini3, Dessireé Zerpa3, Julie K Nguyen3, Liming Wang2, Liang Yu3, Yinghui Xin3, Liangfa Ge3, Jie Arro3, Jennifer O Han3, Setu Chakrabarty3, Marija Pushko3, Wenping Zhang2, Yanhong Ma2, Panpan Ma2, Mingju Lv5, Faming Chen10, Guangyong Zheng10, Jingsheng Xu2, Zhenhui Yang2, Fang Deng2, Xuequn Chen2, Zhenyang Liao2, Xunxiao Zhang2, Zhicong Lin2, Hai Lin2, Hansong Yan2, Zheng Kuang2, Weimin Zhong2, Pingping Liang2, Guofeng Wang2, Yuan Yuan2, Jiaxian Shi2, Jinxiang Hou2, Jingxian Lin2, Jingjing Jin11, Peijian Cao11, Qiaochu Shen2, Qing Jiang2, Ping Zhou2, Yaying Ma2, Xiaodan Zhang2, Rongrong Xu2, Juan Liu2, Yongmei Zhou2, Haifeng Jia2, Qing Ma2, Rui Qi2, Zhiliang Zhang2, Jingping Fang2, Hongkun Fang2, Jinjin Song2, Mengjuan Wang2, Guangrui Dong2, Gang Wang2, Zheng Chen2, Teng Ma2, Hong Liu2, Singha R Dhungana12, Sarah E Huss3, Xiping Yang13, Anupma Sharma14, Jhon H Trujillo15, Maria C Martinez15, Matthew Hudson16, John J Riascos15, Mary Schuler3, Li-Qing Chen3, David M Braun12, Lei Li2, Qingyi Yu14, Jianping Wang2,13, Kai Wang2, Michael C Schatz17, David Heckerman18, Marie-Anne Van Sluys19, Glaucia Mendes Souza20, Paul H Moore4, David Sankoff8, Robert VanBuren7, Andrew H Paterson6, Chifumi Nagai21, Ray Ming22,23.
Abstract
Modern sugarcanes are polyploid interspecific hybrids, combining high sugar content from Saccharum officinarum with hardiness, disease resistance and ratooning of Saccharum spontaneum. Sequencing of a haploid S. spontaneum, AP85-441, facilitated the assembly of 32 pseudo-chromosomes comprising 8 homologous groups of 4 members each, bearing 35,525 genes with alleles defined. The reduction of basic chromosome number from 10 to 8 in S. spontaneum was caused by fissions of 2 ancestral chromosomes followed by translocations to 4 chromosomes. Surprisingly, 80% of nucleotide binding site-encoding genes associated with disease resistance are located in 4 rearranged chromosomes and 51% of those in rearranged regions. Resequencing of 64 S. spontaneum genomes identified balancing selection in rearranged regions, maintaining their diversity. Introgressed S. spontaneum chromosomes in modern sugarcanes are randomly distributed in AP85-441 genome, indicating random recombination among homologs in different S. spontaneum accessions. The allele-defined Saccharum genome offers new knowledge and resources to accelerate sugarcane improvement.Entities:
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Year: 2018 PMID： 30297971 DOI： 10.1038/s41588-018-0237-2
Source DB: PubMed Journal: Nat Genet ISSN： 1061-4036 Impact factor: 38.330