NDLI: A novel genome of C and the first autotetraploid species in the Setaria genus identified by genomic in situ hybridization

Content Provider	Springer Nature Link
Author	Wang, Yongqiang Zhi, Hui Li, Wei Li, Haiquan Wang, Yongfang Huang, Zhanjing Diao, Xianmin
Copyright Year	2009
Abstract	Genomic in situ hybridization (GISH) was used to investigate the genomic relationships among some newly collected species of genus Setaria. Previous work identified that S. viridis and S. adhaerens carry genomes A and B, respectively. GISH patterns obtained in this report clearly distinguished the genome of S. grisebachii from the known genomes A and B, and indicated its new genomic constitution which we suggest to name genome C of the Setaria genus. The two sets of chromosomes of tetraploid S. queenslandica hybridized well with the A genome of S. viridis indicating its autotetraploid nature. This is the first autotetraploid identified in the Setaria genus, which should be classified into the primary A genome gene pool rather than the tertiary gene pool as previously classified. GISH patterns did not distinguish the genome of S. leucopila from the A genome of S. viridis and S. italica, suggesting its close relation with foxtail millet. Strong hybridization signals were observed when S. adhaerens genomic DNA was used as probe to hybridize the chromosomes of diploid S. verticillata, inferring its B genome nature. Combined with morphological observation and previous work, we deduce that diploid S. verticillata and S. adhaerens are probably taxonomically the same species with different names.
Starting Page	843
Ending Page	850
Page Count	8
File Format	PDF
ISSN	09259864
Journal	Genetic Resources and Crop Evolution
Volume Number	56
Issue Number	6
e-ISSN	15735109
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-02-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Genome analysis Genomic in situ hybridization Setaria Agriculture Plant Physiology Plant Genetics & Genomics Plant Systematics/Taxonomy/Biogeography Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Ecology, Evolution, Behavior and Systematics Agronomy and Crop Science

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