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Title: Characterization of novel sorghum brown midrib mutants from an EMS-mutagenized population

Abstract

Reducing lignin concentration in lignocellulosic biomass can increase forage digestibility for ruminant livestock and saccharification yields of biomass for bioenergy. In sorghum (Sorghum bicolor (L.) Moench) and several other C4 grasses, brown midrib (bmr) mutants have been shown to reduce lignin concentration. Putative bmr mutants isolated from an EMS-mutagenized population were characterized and classified based on their leaf midrib phenotype and allelism tests with the previously described sorghum bmr mutants bmr2, bmr6, and bmr12. These tests resulted in the identification of additional alleles of bmr2, bmr6,and bmr12, and, in addition, six bmr mutants were identified that were not allelic to these previously described loci. Further allelism testing among these six bmr mutants showed that they represented four novel bmr loci. Based on this study, the number of bmr loci uncovered in sorghum has doubled. The impact of these lines on agronomic traits and lignocellulosic composition was assessed in a 2-yr field study. Most of the identified bmr lines showed reduced lignin concentration of their biomass relative to wild-type (WT). Effects of the six new bmr mutants on enzymatic saccharification of lignocellulosic materials were determined, but the amount of glucose released from the stover was similar to WT in all cases.more » Like bmr2, bmr6, and bmr12, these mutants may affect monolignol biosynthesis and may be useful for bioenergy and forage improvement when stacked together or in combination with the three previously described bmr alleles.« less

Authors:
 [1];  [2];  [3];  [1];  [2];  [1]
  1. USDA-ARS, Lincoln, NE (United States); Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
  2. Univ. of Florida, Gainesville, FL (United States)
  3. USDA-ARS, Lubbock, TX (United States)
Publication Date:
Research Org.:
Univ. of Florida, Gainesville, FL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1222462
Grant/Contract Number:  
FG02-07ER64458
Resource Type:
Accepted Manuscript
Journal Name:
G3
Additional Journal Information:
Journal Volume: 4; Journal Issue: 11; Journal ID: ISSN 2160-1836
Publisher:
Genetics Society of America
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 09 BIOMASS FUELS; acid detergent; lignin (ADL); ethyl methanesulfonate (EMS); bioenergy; forage; composition; allelism

Citation Formats

Sattler, Scott E., Saballos, Ana, Xin, Zhanguo, Funnell-Harris, Deanna L., Vermerris, Wilfred, and Pedersen, Jeffrey F. Characterization of novel sorghum brown midrib mutants from an EMS-mutagenized population. United States: N. p., 2014. Web. doi:10.1534/g3.114.014001.
Sattler, Scott E., Saballos, Ana, Xin, Zhanguo, Funnell-Harris, Deanna L., Vermerris, Wilfred, & Pedersen, Jeffrey F. Characterization of novel sorghum brown midrib mutants from an EMS-mutagenized population. United States. https://doi.org/10.1534/g3.114.014001
Sattler, Scott E., Saballos, Ana, Xin, Zhanguo, Funnell-Harris, Deanna L., Vermerris, Wilfred, and Pedersen, Jeffrey F. Tue . "Characterization of novel sorghum brown midrib mutants from an EMS-mutagenized population". United States. https://doi.org/10.1534/g3.114.014001. https://www.osti.gov/servlets/purl/1222462.
@article{osti_1222462,
title = {Characterization of novel sorghum brown midrib mutants from an EMS-mutagenized population},
author = {Sattler, Scott E. and Saballos, Ana and Xin, Zhanguo and Funnell-Harris, Deanna L. and Vermerris, Wilfred and Pedersen, Jeffrey F.},
abstractNote = {Reducing lignin concentration in lignocellulosic biomass can increase forage digestibility for ruminant livestock and saccharification yields of biomass for bioenergy. In sorghum (Sorghum bicolor (L.) Moench) and several other C4 grasses, brown midrib (bmr) mutants have been shown to reduce lignin concentration. Putative bmr mutants isolated from an EMS-mutagenized population were characterized and classified based on their leaf midrib phenotype and allelism tests with the previously described sorghum bmr mutants bmr2, bmr6, and bmr12. These tests resulted in the identification of additional alleles of bmr2, bmr6,and bmr12, and, in addition, six bmr mutants were identified that were not allelic to these previously described loci. Further allelism testing among these six bmr mutants showed that they represented four novel bmr loci. Based on this study, the number of bmr loci uncovered in sorghum has doubled. The impact of these lines on agronomic traits and lignocellulosic composition was assessed in a 2-yr field study. Most of the identified bmr lines showed reduced lignin concentration of their biomass relative to wild-type (WT). Effects of the six new bmr mutants on enzymatic saccharification of lignocellulosic materials were determined, but the amount of glucose released from the stover was similar to WT in all cases. Like bmr2, bmr6, and bmr12, these mutants may affect monolignol biosynthesis and may be useful for bioenergy and forage improvement when stacked together or in combination with the three previously described bmr alleles.},
doi = {10.1534/g3.114.014001},
journal = {G3},
number = 11,
volume = 4,
place = {United States},
year = {Tue Sep 02 00:00:00 EDT 2014},
month = {Tue Sep 02 00:00:00 EDT 2014}
}

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Works referenced in this record:

Lignin Biosynthesis
journal, June 2003


Evolution of Water Transport and Xylem Structure
journal, May 2003

  • Sperry, John S.
  • International Journal of Plant Sciences, Vol. 164, Issue S3
  • DOI: 10.1086/368398

Analyticalin source pyrolytic methylation electron impact mass spectrometry of phenolic acids in biological matrices
journal, July 1992

  • Mulder, Marcel M.; Van Der Hage, Erik R. E.; Boon, Jaap J.
  • Phytochemical Analysis, Vol. 3, Issue 4
  • DOI: 10.1002/pca.2800030405

Down-regulation of Cinnamoyl-CoA Reductase induces significant changes of lignin profiles in transgenic tobacco plants
journal, January 1998


Lignin modification improves fermentable sugar yields for biofuel production
journal, June 2007

  • Chen, Fang; Dixon, Richard A.
  • Nature Biotechnology, Vol. 25, Issue 7, p. 759-761
  • DOI: 10.1038/nbt1316

Genetic Modification of Herbaceous Plants for Feed and Fuel
journal, January 2001


Identification and Characterization of Four Missense Mutations in Brown midrib 12 (Bmr12), the Caffeic O-Methyltranferase (COMT) of Sorghum
journal, April 2012


A comparison of the insoluble residues produced by the Klason lignin and acid detergent lignin procedures
journal, May 1994

  • Hatfield, Ronald D.; Jung, Hans-Joachim G.; Ralph, John
  • Journal of the Science of Food and Agriculture, Vol. 65, Issue 1, p. 51-58
  • DOI: 10.1002/jsfa.2740650109

Transposon insertion in a cinnamyl alcohol dehydrogenase gene is responsible for a brown midrib1 mutation in maize
journal, July 2012


Caffeoyl Shikimate Esterase (CSE) Is an Enzyme in the Lignin Biosynthetic Pathway in Arabidopsis
journal, August 2013


Improved Sugar Conversion and Ethanol Yield for Forage Sorghum (Sorghum bicolor L. Moench) Lines with Reduced Lignin Contents
journal, August 2009


Evolution of xylem lignification and hydrogel transport regulation
journal, December 2004

  • Boyce, C. K.; Zwieniecki, M. A.; Cody, G. D.
  • Proceedings of the National Academy of Sciences, Vol. 101, Issue 50
  • DOI: 10.1073/pnas.0408024101

Cell Wall Diversity in Forage Maize: Genetic Complexity and Bioenergy Potential
journal, August 2014

  • Torres, Andres F.; Noordam-Boot, Cornelie M. M.; Dolstra, Oene
  • BioEnergy Research, Vol. 8, Issue 1
  • DOI: 10.1007/s12155-014-9507-8

Registration of Twelve Grain Sorghum Genetic Stocks Near-isogenic for the Brown Midrib Genes -6 and -12
journal, January 2006


Improvement of in-rumen digestibility of alfalfa forage by genetic manipulation of lignin O-methyltransferases
journal, January 2001

  • Guo, Dianging; Chen, Fang; Wheeler, John
  • Transgenic Research, Vol. 10, Issue 5, p. 457-464
  • DOI: 10.1023/A:1012278106147

Efficacy of Singular and Stacked brown midrib 6 and 12 in the Modification of Lignocellulose and Grain Chemistry
journal, March 2010

  • Sattler, Scott E.; Funnell-Harris, Deanna L.; Pedersen, Jeffrey F.
  • Journal of Agricultural and Food Chemistry, Vol. 58, Issue 6
  • DOI: 10.1021/jf903784j

Applying genotyping (TILLING) and phenotyping analyses to elucidate gene function in a chemically induced sorghum mutant population
journal, January 2008


Forage Yield and Quality of a Brown Mid-Rib Mutant in Pearl Millet
journal, January 1995


Shikimate and Phenylalanine Biosynthesis in the Green Lineage
journal, January 2013

  • Tohge, Takayuki; Watanabe, Mutsumi; Hoefgen, Rainer
  • Frontiers in Plant Science, Vol. 4
  • DOI: 10.3389/fpls.2013.00062

Allelism tests of the brown-midrib mutants of sorghum
journal, March 1981


Studies on dietary fiber. 3. Improved procedures for analysis of dietary fiber
journal, March 1986

  • Theander, Olof; Westerlund, Eric A.
  • Journal of Agricultural and Food Chemistry, Vol. 34, Issue 2
  • DOI: 10.1021/jf00068a045

Impact of CCR1 silencing on the assembly of lignified secondary walls in Arabidopsis thaliana
journal, October 2009


Comparative Effects of the Sorghum -6 and -12 Genes
journal, January 2005


Brown Midrib in Maize and its Linkage Relations1
journal, January 1931


Genetic background impacts soluble and cell wall-bound aromatics in brown midrib mutants of sorghum
journal, September 2008


Progress in breeding perennial forage grasses for temperate agriculture
journal, March 2003


The abnormal lignins produced by the brown-midrib mutants of maize
journal, April 1964


Genetic variation and breeding strategies for improved cell wall digestibility in annual forage crops. A review
journal, May 2003

  • Barrière, Yves; Guillet, Carine; Goffner, Deborah
  • Animal Research, Vol. 52, Issue 3
  • DOI: 10.1051/animres:2003018

A candidate-gene approach to clone the sorghum Brown midrib gene encoding caffeic acid O-methyltransferase
journal, March 2003


Isolation, Characterization, and Functional Expression of cDNAs Encoding NADH-dependent Methylenetetrahydrofolate Reductase from Higher Plants
journal, December 1999

  • Roje, Sanja; Wang, Hong; McNeil, Scott D.
  • Journal of Biological Chemistry, Vol. 274, Issue 51
  • DOI: 10.1074/jbc.274.51.36089

The maize brown midrib2 ( bm2 ) gene encodes a methylenetetrahydrofolate reductase that contributes to lignin accumulation
journal, January 2014

  • Tang, Ho Man; Liu, Sanzhen; Hill-Skinner, Sarah
  • The Plant Journal, Vol. 77, Issue 3
  • DOI: 10.1111/tpj.12394

Evaluation of a Filter Bag System for NDF, ADF, and IVDMD Forage Analysis
journal, January 1999


Quality-related characteristics of forages as influenced by plant environment and agronomic factors
journal, June 1996


Inheritance and Allelic Study of Brown Midrib Trait in Pearl Millet
journal, July 1995


An Automated Plot Harvest System for Use with a Commercial Forage Harvester
journal, January 1995


Pyrolysis-GC-MS characterization of forage materials
journal, August 1991

  • Ralph, John; Hatfield, Ronald D.
  • Journal of Agricultural and Food Chemistry, Vol. 39, Issue 8
  • DOI: 10.1021/jf00008a014

A Nonsense Mutation in a Cinnamyl Alcohol Dehydrogenase Gene Is Responsible for the Sorghum brown midrib6 Phenotype
journal, April 2009

  • Sattler, Scott E.; Saathoff, Aaron J.; Haas, Eric J.
  • Plant Physiology, Vol. 150, Issue 2
  • DOI: 10.1104/pp.109.136408

Abnormal lignins produced by the brown-midrib mutants of maize
journal, February 1968

  • Gee, Mary Sue; Nelson, Oliver E.; Kuć, Joseph
  • Archives of Biochemistry and Biophysics, Vol. 123, Issue 2
  • DOI: 10.1016/0003-9861(68)90151-3

Allelic Association, Chemical Characterization and Saccharification Properties of brown midrib Mutants of Sorghum (Sorghum bicolor (L.) Moench)
journal, October 2008


An Induced Sorghum Mutant Population Suitable for Bioenergy Research
journal, February 2009


Forage Quality Characterization of a Chemically Induced Brown-Midrib Mutant in Pearl Millet
journal, January 1988


The brown midrib3 (bm3) mutation in maize occurs in the gene encoding caffeic acid O-methyltransferase.
journal, April 1995

  • Vignols, F.; Rigau, J.; Torres, M. A.
  • The Plant Cell, Vol. 7, Issue 4
  • DOI: 10.1105/tpc.7.4.407

Analysis of Crystallinity Index and Hydrolysis Rates in the Bioenergy Crop Sorghum bicolor
journal, August 2011


Characteristics of plant cell walls affecting intake and digestibility of forages by ruminants.
journal, January 1995


Comparative Effects of the Sorghum -6 and -12 Genes
journal, January 2005


Cloning and characterization of irregular xylem4 (irx4):a severely lignin-deficient mutant of Arabidopsis
journal, April 2001


Lignification of plant cell walls: Impact of genetic manipulation
journal, October 1998

  • Jung, H. -J. G.; Ni, W.
  • Proceedings of the National Academy of Sciences, Vol. 95, Issue 22
  • DOI: 10.1073/pnas.95.22.12742

Genetic Modification of Herbaceous Plants for Feed and Fuel
journal, January 2001

  • Vogel, Kenneth P.; Jung, Hans-Joachim G.
  • Critical Reviews in Plant Sciences, Vol. 20, Issue 1
  • DOI: 10.1080/20013591099173

Metabolic engineering in yeast demonstrates thatS-adenosylmethionine controls flux through the methylenetetrahydrofolate reductase reaction in vivo.
journal, September 2002


The brown midrib3 (bm3) Mutation in Maize Occurs in the Gene Encoding Caffeic Acid O-Methyltransferase
journal, April 1995

  • Vignols, Florence; Rigau, Joan; Torres, Miguel Angel
  • The Plant Cell, Vol. 7, Issue 4
  • DOI: 10.2307/3870079

Genetic background impacts soluble and cell wall-bound aromatics in brown midrib mutants of sorghum
journal, September 2008


A candidate-gene approach to clone the sorghum Brown midrib gene encoding caffeic acid O-methyltransferase
journal, March 2003


Transposon insertion in a cinnamyl alcohol dehydrogenase gene is responsible for a brown midrib1 mutation in maize
journal, July 2012


Studies on dietary fiber. 3. Improved procedures for analysis of dietary fiber
journal, March 1986

  • Theander, Olof; Westerlund, Eric A.
  • Journal of Agricultural and Food Chemistry, Vol. 34, Issue 2
  • DOI: 10.1021/jf00068a045

Efficacy of Singular and Stacked brown midrib 6 and 12 in the Modification of Lignocellulose and Grain Chemistry
journal, March 2010

  • Sattler, Scott E.; Funnell-Harris, Deanna L.; Pedersen, Jeffrey F.
  • Journal of Agricultural and Food Chemistry, Vol. 58, Issue 6
  • DOI: 10.1021/jf903784j

Loosening lignin's grip on biofuel production
journal, July 2007

  • Chapple, Clint; Ladisch, Michael; Meilan, Rick
  • Nature Biotechnology, Vol. 25, Issue 7, p. 746-748
  • DOI: 10.1038/nbt0707-746

Evolution of xylem lignification and hydrogel transport regulation
journal, December 2004

  • Boyce, C. K.; Zwieniecki, M. A.; Cody, G. D.
  • Proceedings of the National Academy of Sciences, Vol. 101, Issue 50
  • DOI: 10.1073/pnas.0408024101

Lignification of plant cell walls: Impact of genetic manipulation
journal, October 1998

  • Jung, H. -J. G.; Ni, W.
  • Proceedings of the National Academy of Sciences, Vol. 95, Issue 22
  • DOI: 10.1073/pnas.95.22.12742

Isolation, Characterization, and Functional Expression of cDNAs Encoding NADH-dependent Methylenetetrahydrofolate Reductase from Higher Plants
journal, December 1999

  • Roje, Sanja; Wang, Hong; McNeil, Scott D.
  • Journal of Biological Chemistry, Vol. 274, Issue 51
  • DOI: 10.1074/jbc.274.51.36089

Metabolic Engineering in Yeast Demonstrates That S -Adenosylmethionine Controls Flux through the Methylenetetrahydrofolate Reductase Reaction in Vivo
journal, November 2001

  • Roje, Sanja; Chan, Sherwin Y.; Kaplan, Fatma
  • Journal of Biological Chemistry, Vol. 277, Issue 6
  • DOI: 10.1074/jbc.m110651200

Evolution of Water Transport and Xylem Structure
journal, May 2003

  • Sperry, John S.
  • International Journal of Plant Sciences, Vol. 164, Issue S3
  • DOI: 10.1086/368398

A Nonsense Mutation in a Cinnamyl Alcohol Dehydrogenase Gene Is Responsible for the Sorghum brown midrib6 Phenotype
journal, April 2009

  • Sattler, Scott E.; Saathoff, Aaron J.; Haas, Eric J.
  • Plant Physiology, Vol. 150, Issue 2
  • DOI: 10.1104/pp.109.136408

Impact of CCR1 silencing on the assembly of lignified secondary walls in Arabidopsis thaliana
journal, October 2009


The maize brown midrib2 ( bm2 ) gene encodes a methylenetetrahydrofolate reductase that contributes to lignin accumulation
journal, January 2014

  • Tang, Ho Man; Liu, Sanzhen; Hill-Skinner, Sarah
  • The Plant Journal, Vol. 77, Issue 3
  • DOI: 10.1111/tpj.12394

Caffeoyl Shikimate Esterase (CSE) Is an Enzyme in the Lignin Biosynthetic Pathway in Arabidopsis
journal, August 2013


Lignin Biosynthesis
journal, June 2003


Applying genotyping (TILLING) and phenotyping analyses to elucidate gene function in a chemically induced sorghum mutant population
journal, January 2008


Characteristics of plant cell walls affecting intake and digestibility of forages by ruminants.
journal, January 1995


Works referencing / citing this record:

Low Lignin Mutants and Reduction of Lignin Content in Grasses for Increased Utilisation of Lignocellulose
journal, May 2019


Identification, Characterization, and Expression Analysis of Cell Wall Related Genes in Sorghum bicolor (L.) Moench, a Food, Fodder, and Biofuel Crop
journal, August 2016

  • Rai, Krishan M.; Thu, Sandi W.; Balasubramanian, Vimal K.
  • Frontiers in Plant Science, Vol. 7
  • DOI: 10.3389/fpls.2016.01287

Common metabolic networks contribute to carbon sink strength of sorghum internodes: implications for bioenergy improvement
journal, November 2019


Rapid gene cloning in cereals
journal, October 2018

  • Bettgenhaeuser, Jan; Krattinger, Simon G.
  • Theoretical and Applied Genetics, Vol. 132, Issue 3
  • DOI: 10.1007/s00122-018-3210-7

Genetic and genomic resources of sorghum to connect genotype with phenotype in contrasting environments
journal, December 2018

  • Boyles, Richard E.; Brenton, Zachary W.; Kresovich, Stephen
  • The Plant Journal, Vol. 97, Issue 1
  • DOI: 10.1111/tpj.14113

Whole-Genome Sequence Accuracy Is Improved by Replication in a Population of Mutagenized Sorghum
journal, January 2018

  • Addo-Quaye, Charles; Tuinstra, Mitch; Carraro, Nicola
  • G3: Genes|Genomes|Genetics, Vol. 8, Issue 3
  • DOI: 10.1534/g3.117.300301

Correction to: Common metabolic networks contribute to carbon sink strength of sorghum internodes: implications for bioenergy improvement
journal, December 2019


Identification, Characterization, and Expression Analysis of Cell Wall Related Genes in Sorghum bicolor (L.) Moench, a Food, Fodder, and Biofuel Crop
journal, August 2016

  • Rai, Krishan M.; Thu, Sandi W.; Balasubramanian, Vimal K.
  • Frontiers in Plant Science, Vol. 7
  • DOI: 10.3389/fpls.2016.01287