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Title: Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)

Abstract

Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Taking advantage of meta-analysis of QTLs, phylogenetic analyses in 502 diverse sorghum accessions, GWAS in a sorghum association panel (n = 354) and comparative data, we provide insight into the genetic basis of the domestication traits in sorghum and rice. We performed genome-wide association studies (GWAS) on 6 traits related to inflorescence morphology and 6 traits related to plant height in sorghum, comparing the genomic regions implicated in these traits by GWAS and QTL mapping, respectively. In a search for signatures of selection, we identify genomic regions that may contribute to sorghum domestication regarding plant height, flowering time and pericarp color. Comparative studies across taxa show functionally conserved ‘hotspots’ in sorghum and rice for awn presence and pericarp color that do not appear to reflect corresponding single genes but may indicate co-regulated clusters of genes. We also reveal homoeologous regions retaining similar functions for plant height and flowering time since genome duplication an estimated 70 million years ago or more in a common ancestor of cereals. In most such homoeologous QTL pairs, only one QTL interval exhibits strong selection signals in modernmore » sorghum. Intersections among QTL, GWAS and comparative data advance knowledge of genetic determinants of inflorescence and plant height components in sorghum, and add new dimensions to comparisons between sorghum and rice.« less

Authors:
 [1];  [2];  [3];  [3];  [3];  [3];  [3];  [3];  [3];  [3];  [4]
  1. Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab. and Inst. of Bioinformatics
  2. Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab. and Dept. of Crop and Soil Sciences
  3. Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.
  4. Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab., Inst. of Bioinformatics, Dept. of Crop and Soil Sciences, Dept. of Plant Biology, Dept. of Genetics
Publication Date:
Research Org.:
Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.
Sponsoring Org.:
USDOE; USDOE-US Department of Agriculture Plant Feedstock Program
OSTI Identifier:
1184791
Alternate Identifier(s):
OSTI ID: 1188764
Grant/Contract Number:  
AI52-08NA28654; 2011-02786; 2012-03304 (DOE-USDA project grants)
Resource Type:
Accepted Manuscript
Journal Name:
BMC Plant Biology
Additional Journal Information:
Journal Volume: 15; Journal Issue: 1; Journal ID: ISSN 1471-2229
Publisher:
BioMed Central
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 09 BIOMASS FUELS; sorghum; GWAS; biparental QTL mapping; inflorescence; flowering time; plant height; domestication; genetic correspondence

Citation Formats

Zhang, Dong, Kong, Wenqian, Robertson, Jon, Goff, Valorie H, Epps, Ethan, Kerr, Alexandra, Mills, Gabriel, Cromwell, Jay, Lugin, Yelena, Phillips, Christine, and Paterson, Andrew H. Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae). United States: N. p., 2015. Web. doi:10.1186/s12870-015-0477-6.
Zhang, Dong, Kong, Wenqian, Robertson, Jon, Goff, Valorie H, Epps, Ethan, Kerr, Alexandra, Mills, Gabriel, Cromwell, Jay, Lugin, Yelena, Phillips, Christine, & Paterson, Andrew H. Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae). United States. https://doi.org/10.1186/s12870-015-0477-6
Zhang, Dong, Kong, Wenqian, Robertson, Jon, Goff, Valorie H, Epps, Ethan, Kerr, Alexandra, Mills, Gabriel, Cromwell, Jay, Lugin, Yelena, Phillips, Christine, and Paterson, Andrew H. Tue . "Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)". United States. https://doi.org/10.1186/s12870-015-0477-6. https://www.osti.gov/servlets/purl/1184791.
@article{osti_1184791,
title = {Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)},
author = {Zhang, Dong and Kong, Wenqian and Robertson, Jon and Goff, Valorie H and Epps, Ethan and Kerr, Alexandra and Mills, Gabriel and Cromwell, Jay and Lugin, Yelena and Phillips, Christine and Paterson, Andrew H},
abstractNote = {Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Taking advantage of meta-analysis of QTLs, phylogenetic analyses in 502 diverse sorghum accessions, GWAS in a sorghum association panel (n = 354) and comparative data, we provide insight into the genetic basis of the domestication traits in sorghum and rice. We performed genome-wide association studies (GWAS) on 6 traits related to inflorescence morphology and 6 traits related to plant height in sorghum, comparing the genomic regions implicated in these traits by GWAS and QTL mapping, respectively. In a search for signatures of selection, we identify genomic regions that may contribute to sorghum domestication regarding plant height, flowering time and pericarp color. Comparative studies across taxa show functionally conserved ‘hotspots’ in sorghum and rice for awn presence and pericarp color that do not appear to reflect corresponding single genes but may indicate co-regulated clusters of genes. We also reveal homoeologous regions retaining similar functions for plant height and flowering time since genome duplication an estimated 70 million years ago or more in a common ancestor of cereals. In most such homoeologous QTL pairs, only one QTL interval exhibits strong selection signals in modern sorghum. Intersections among QTL, GWAS and comparative data advance knowledge of genetic determinants of inflorescence and plant height components in sorghum, and add new dimensions to comparisons between sorghum and rice.},
doi = {10.1186/s12870-015-0477-6},
journal = {BMC Plant Biology},
number = 1,
volume = 15,
place = {United States},
year = {Tue Dec 01 00:00:00 EST 2015},
month = {Tue Dec 01 00:00:00 EST 2015}
}

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Free Publicly Available Full Text
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Cited by: 55 works
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Figures / Tables:

Figure 1 Figure 1: Population structure of 502 worldwide sorghum accessions. 476 belong to the five main cultivated races and 26 are wild types. (a) PCA plots of the first three components for 265,487 SNPs. The five main cultivated races and the wild type are color-coded. (b) Neighbor-joining tree of 502 sorghummore » accessions. (c) Population differentiations and frequencies of common two-locus haplotypes for 100 SNPs adjacent to the Sh1 gene [2] for pairs of populations. All the connections for guinea and durra are shown. The FST values paired with frequencies of common two-locus haplotypes are indicated.« less

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journal, May 2004

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Plant domestication, a unique opportunity to identify the genetic basis of adaptation
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Presence of tannins in sorghum grains is conditioned by different natural alleles of Tannin1
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TASSEL: software for association mapping of complex traits in diverse samples
journal, June 2007


GAPIT: genome association and prediction integrated tool
journal, July 2012


Genome Duplication in Soybean ( Glycine subgenus soja )
journal, September 1996


The Sorghum Photoperiod Sensitivity Gene, Ma3, Encodes a Phytochrome B
journal, February 1997

  • Childs, K. L.; Miller, F. R.; Cordonnier-Pratt, M. M.
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Caught Red-Handed: Rc Encodes a Basic Helix-Loop-Helix Protein Conditioning Red Pericarp in Rice
journal, January 2006

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Association Mapping: Critical Considerations Shift from Genotyping to Experimental Design
journal, August 2009


H d16 , a gene for casein kinase I , is involved in the control of rice flowering time by modulating the day‐length response
journal, July 2013

  • Hori, Kiyosumi; Ogiso‐Tanaka, Eri; Matsubara, Kazuki
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The DROOPING LEAF and OsETTIN2 genes promote awn development in rice
journal, February 2014

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The Genetic Architecture of Maize Flowering Time
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Convergent Domestication of Cereal Crops by Independent Mutations at Corresponding Genetic Loci
journal, September 1995


Improvement of the Oryza sativa Nipponbare reference genome using next generation sequence and optical map data
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  • DOI: 10.1186/1939-8433-6-4

Retrospective genomic analysis of sorghum adaptation to temperate-zone grain production
journal, June 2013


A Multiparent Advanced Generation Inter-Cross to Fine-Map Quantitative Traits in Arabidopsis thaliana
journal, July 2009


Ehd4 Encodes a Novel and Oryza-Genus-Specific Regulator of Photoperiodic Flowering in Rice
journal, February 2013


Massive Sorghum Collection Genotyped with SSR Markers to Enhance Use of Global Genetic Resources
journal, April 2013


Genome-Wide Association Mapping for Kernel and Malting Quality Traits Using Historical European Barley Records
journal, November 2014


Genetic Analysis of Recombinant Inbred Lines for Sorghum bicolor × Sorghum propinquum
journal, January 2013

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Works referencing / citing this record:

Genetic diversity assessment of sorghum ( Sorghum bicolor (L.) Moench) accessions using single nucleotide polymorphism markers
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  • Zhang, Dong; Kong, Wenqian; Robertson, Jon
  • Dryad Digital Repository-Supplementary information for journal article at DOI: 10.1186/s12870-015-0477-6, 2 files
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Genome-Wide Association Study of Seed Dormancy and the Genomic Consequences of Improvement Footprints in Rice (Oryza sativa L.)
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Genotyping by Sequencing of 393 Sorghum bicolor BTx623 × IS3620C Recombinant Inbred Lines Improves Sensitivity and Resolution of QTL Detection
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  • G3: Genes|Genomes|Genetics, Vol. 8, Issue 8
  • DOI: 10.1534/g3.118.200173

Interspecific genetic maps in Miscanthus floridulus and M. sacchariflorus accelerate detection of QTLs associated with plant height and inflorescence
journal, August 2018


Increased Power To Dissect Adaptive Traits in Global Sorghum Diversity Using a Nested Association Mapping Population
journal, June 2017


Association mapping by aerial drone reveals 213 genetic associations for Sorghum bicolor biomass traits under drought
journal, September 2018


Genomic Signatures of Adaptation to a Precipitation Gradient in Nigerian Sorghum
journal, August 2018

  • Olatoye, Marcus O.; Hu, Zhenbin; Maina, Fanna
  • G3: Genes|Genomes|Genetics, Vol. 8, Issue 10
  • DOI: 10.1534/g3.118.200551

Data from: Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)
dataset, April 2015

  • Zhang, Dong; Kong, Wenqian; Robertson, Jon
  • Dryad Digital Repository-Supplementary information for journal article at DOI: 10.1186/s12870-015-0477-6, 2 files
  • DOI: 10.5061/dryad.91jq5

Genome-wide Diversity and Association Mapping for Capsaicinoids and Fruit Weight in Capsicum annuum L
journal, November 2016

  • Nimmakayala, Padma; Abburi, Venkata L.; Saminathan, Thangasamy
  • Scientific Reports, Vol. 6, Issue 1
  • DOI: 10.1038/srep38081

Development and Genetic Control of Plant Architecture and Biomass in the Panicoid Grass, Setaria
journal, March 2016


Genomic Signatures of Adaptation to a Precipitation Gradient in Nigerian Sorghum
journal, August 2018

  • Olatoye, Marcus O.; Hu, Zhenbin; Maina, Fanna
  • G3: Genes|Genomes|Genetics, Vol. 8, Issue 10
  • DOI: 10.1534/g3.118.200551

Molecular Dissection of Quantitative Variation in Bermudagrass Hybrids (Cynodon dactylonxtransvaalensis): Morphological Traits
journal, August 2019

  • Khanal, Sameer; Dunne, Jeffrey C.; Schwartz, Brian M.
  • G3 Genes|Genomes|Genetics, Vol. 9, Issue 8
  • DOI: 10.1534/g3.119.400061

Increased Power To Dissect Adaptive Traits in Global Sorghum Diversity Using a Nested Association Mapping Population
journal, June 2017


Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.